| QUALCOMM INCORPORATED Patent applications |
| Patent application number | Title | Published |
|---|
| 20120131204 | SELECTIVELY GRANTING A FLOOR DURING SET-UP OF A COMMUNICATION SESSION WITHIN A WIRELESS COMMUNICATIONS SYSTEM - An embodiment is directed to an application server configured to set-up a communication session within a wireless communications system. The application server receives, from a session originator, a request to initiate the communication session with a set of session targets, and then transmits one or more call announcement messages for announcing the communication session to the set of session targets. The application server determines information associated with a probability that the set of session targets will fail to accept the announced communication session, and/or delay information associated with when call responses will arrive from the set of session targets in response to the one or more call announcement messages. The application server selectively grants a floor of the communication session to the session originator based on the determined information. | 05-24-2012 |
| 20120131183 | INTERACTING WITH A SUBSCRIBER TO A SOCIAL NETWORKING SERVICE BASED ON PASSIVE BEHAVIOR OF THE SUBSCRIBER - In an embodiment, an application server is configured to manage privacy settings of a subscriber for one or more social networking services. The application server determines a set of privacy settings (e.g., a manually configured or default set of privacy settings) of the subscriber for the one or more social networking services, and then receives, from the subscriber, permission to dynamically modify the set of privacy settings. The application server monitors, responsive to the received permission, passive behavior of the subscriber that is separate from interactions between the subscriber and the one or more social networking services (e.g., calls, text messages, instant messages made to/from the subscriber, a location of the subscriber, etc.). The application server triggers a modification to the set of privacy settings based on the monitored passive behavior of the subscriber. | 05-24-2012 |
| 20120131006 | SYSTEMS AND METHODS FOR ROBUST PATTERN CLASSIFICATION - Certain embodiments relate to systems and methods for performing data discrimination using dimensionality reduction techniques. Particularly the Sparse Matrix Transform (SMT) is applied to more efficiently determine the Fischer Discrimination vector for a given dataset. Adjustments to the SMT facilitate more robust identification of the Fischer Discrimination vector in view of various resource constraints. | 05-24-2012 |
| 20120130713 | SYSTEMS, METHODS, AND APPARATUS FOR VOICE ACTIVITY DETECTION - Systems, methods, apparatus, and machine-readable media for voice activity detection in a single-channel or multichannel audio signal are disclosed. | 05-24-2012 |
| 20120130645 | METHOD AND APPARATUS FOR MEASURING BODY IMPEDANCE BASED ON BASEBAND SIGNAL DETECTION - Certain aspects of the present disclosure relate to techniques for measuring body impedance based on baseband signal detection in analog domain. Proposed methods and apparatus are able to measure an impedance of human body based on sub-Nyquist sampling of signals. The proposed techniques can be particularly beneficial for reducing overall sensor power when an actuation signal generates electrical signals corresponding to vital signs in humans. | 05-24-2012 |
| 20120129562 | ASSOCIATION RULES BASED ON CHANNEL QUALITY FOR PEER-TO-PEER AND WAN COMMUNICATION - Techniques are provided for association decisions by a user equipment (UE) or the like. In one example, there is provided a method that may involve discovering a peer UE, and determining a first metric for the peer UE. The method may further involve determining a second metric for a base station in a wireless area network (WAN). The method may further involve deciding whether to associate with the peer UE for peer-to-peer (P2P) communication or with the WAN for communication via the base station based on the first and second metrics. For example, the first metric may be determined based on received power of the peer UE at the first UE, and the second metric may be determined based on received power of the base station at the first UE. | 05-24-2012 |
| 20120129473 | METHOD AND APPARATUS FOR OPTIMIZING CURRENT CONSUMPTION OF AMPLIFIERS WITH POWER CONTROL - Apparatus and method for reducing the current consumption and increasing the efficiency of an RF power amplifier (PA), according to which the load, connected to the output stage of the PA, tuned dynamically or statically for each level of the desired output power. By doing so, the output impedance of the output stage is essentially matched, such that the dynamic RF load line has a slope that corresponds to the impedance required to provide this level. Whenever a smaller output power is desired in response to reduction in the input signal to the amplifier, the load is further tuned, such that the dynamic or static RF load line has a slope that causes the power amplifier to essentially remain in saturation at the smaller output power. | 05-24-2012 |
| 20120129457 | MULTI-RADIO COEXISTENCE - A method of wireless communication includes monitoring coexistence issues among supported radios in a User Equipment (UE). The method includes configuring a UE with first and second filter configurations. The first filter configuration covers a first frequency band, for example a portion of the ISM band. The first filter configuration may be wider than the second filter configuration, which excludes a portion of the first frequency band that is adjacent to a proximate second frequency band, for example LTE Band 7 or LTE Band 40. The UE selects between the first and second filter configurations based on the frequency of a first UE event. If the UE event is in a frequency in the adjacent portion excluded by the second filter configuration, the UE arbitrates depending on event priority. The second filter configuration may be chosen to reduce or minimize arbitration. | 05-24-2012 |
| 20120128175 | SYSTEMS, METHODS, APPARATUS, AND COMPUTER-READABLE MEDIA FOR ORIENTATION-SENSITIVE RECORDING CONTROL - Systems, methods, apparatus, and machine-readable media for orientation-sensitive selection and/or preservation of a recording direction using a multi-microphone setup are described. | 05-24-2012 |
| 20120128166 | SYSTEMS, METHODS, APPARATUS, AND COMPUTER-READABLE MEDIA FOR HEAD TRACKING BASED ON RECORDED SOUND SIGNALS - Systems, methods, apparatus, and machine-readable media for detecting head movement based on recorded sound signals are described. | 05-24-2012 |
| 20120128165 | SYSTEMS, METHOD, APPARATUS, AND COMPUTER-READABLE MEDIA FOR DECOMPOSITION OF A MULTICHANNEL MUSIC SIGNAL - Decomposition of a multichannel signal using direction-of-arrival estimation, a basis function inventory, and a sparse recovery technique is disclosed. | 05-24-2012 |
| 20120128160 | THREE-DIMENSIONAL SOUND CAPTURING AND REPRODUCING WITH MULTI-MICROPHONES - Systems, methods, apparatus, and machine-readable media for three-dimensional sound recording and reproduction using a multi-microphone setup are described. | 05-24-2012 |
| 20120128109 | NOISE ESTIMATION FORWIRELESS COMMUNICATION - Techniques for deriving and using noise estimate for data reception in a wireless communication system are described. A noise estimate may be derived for each packet received in a data transmission. Data detection may then be performed for each packet using the noise estimate for that packet. For noise estimation, a first sample sequence and a second sample sequence may be obtained from each receiver used for data reception. A phase offset between the first and second sample sequences may be determined and applied to the first sample sequence for each receiver to obtain a third sample sequence for that receiver. A noise estimate may then be derived based on the power of the differences between the second and third sample sequences for the at least one receiver. | 05-24-2012 |
| 20120128054 | SINGLE PATH DETECTION AND EQUALIZER OPTIMIZATION - An algorithm to detect single path channel conditions and reduce the span (number of taps) of the equalizer in order to mitigate the performance degradation caused by noisy equalizer taps is disclosed. The algorithm provides two novel components comprising single path scenario detection and single path scenario processing or (equalizer shortening). A single path scenario is detected when the energy concentrated in a single channel impulse response tap divided by the total energy of the taps exceeds a predetermined threshold. When a single path scenario is detected, only the equalizer taps within a variable window around the equalizer tap having concentrated energy are used to filter the received signal. | 05-24-2012 |
| 20120128035 | LOW POWER ULTRA WIDEBAND TRANSCEIVERS - Low-power transmitter and/or receiver devices are provided by sacrificing time and/or frequency diversity in exchange for lower power consumption. When channel conditions indicate that time and/or frequency spreading are unnecessary for transmissions, a transmitter may enter into a power-conservation mode in which transmissions are performed using a time gating scheme or a time repetition scheme. In the time gating scheme, symbols are transmitting just once, rather than a plurality of times, but with increased transmission power. In the time repetition scheme, copies of the same symbol are transmitted a plurality of times on the same frequency on different symbol transmission periods, instead of being retransmitted on different frequencies on different symbol transmission periods. Consequently, the symbol can be generated once and stored for subsequent retransmission, thereby allowing some of the transmitter/receiver chain components can be operated at a lower duty cycle or processing speed to conserve power. | 05-24-2012 |
| 20120127985 | ROBUST TRANSMISSION SCHEME FOR WIRELESS NETWORKS - Systems and methods are described that facilitate assigning a predefined manner in which interfering transmissions may be fully or partially orthogonalized, as well as transmission time periods during which the orthogonalization protocol(s) may be employed. Depending on interference conditions, flexible resource reuse may be implemented to mitigate interference without unduly taxing resources. The subject of the innovation may be employed in, for instance, an ad hoc or unplanned/semi-planned wireless communication environment. | 05-24-2012 |
| 20120127978 | RANGE EXTENSION TECHNIQUES FOR A WIRELESS LOCAL AREA NETWORK - Techniques for extending transmission range in a WLAN are described. In an aspect, a receiving station determines the frequency error between a transmitting station and the receiving station based on one or more initial packet transmissions and corrects this frequency error for subsequent packet transmissions received from the transmitting station. The residual frequency error is small after correcting for the frequency error and allows the receiving station to perform coherent accumulation/integration over a longer time interval to detect for a packet transmission. The longer coherent accumulation interval improves detection performance, especially at low SNRs for extended transmission range. The techniques may be used whenever the receiving station knows the identity of the transmitting station, e.g., if the subsequent packet transmissions are scheduled. Other aspects, embodiments, and features are also claimed and described. | 05-24-2012 |
| 20120127956 | APPARATUS AND METHOD FOR ENHANCED NON OPTIMIZED HANDOVER - This disclosure provides systems, methods and apparatus for non-optimized handoffs for wireless communication. For example, the disclosure may be applied to enhance non-optimized handoff from a long-term evolution (LTE) network to an evolved high rate packet data (eHRPD) network. Systems, methods, and apparatus for reducing the interruption gap during handoffs from an LTE radio access network to an eHRPD network are also discussed. In one aspect, a method is provided for communicating information associated with a handoff of a wireless device from a source network to a target network. The method includes fetching a context for a device communicating via a first radio access system of a first network based in part on a unique identifier from a second radio access system of a second network. | 05-24-2012 |
| 20120127951 | METHOD AND APPARATUS FOR ASSIGNING WIRELESS NETWORK PACKET RESOURCES TO WIRELESS TERMINALS - A method in which a network apparatus | 05-24-2012 |
| 20120127931 | APPARATUS AND METHOD FOR RANDOM ACCESS CHANNEL POWER PRIORITIZATION - A method, apparatus, and computer program product for wireless communication are provided in which a transmission power is prioritized between an access channel and a second channel. Additionally, the access channel and the second channel are transmitted simultaneously. Each of the access channel and the second channel are transmitted at a transmission power determined based on the priority. Further, a method, apparatus, and computer program product for wireless communication are provided in which information is received regarding first resources to use for transmitting an access channel with an acknowledgment and second resources for transmitting the access channel with a negative acknowledgment. Further, the access channel is transmitted on the first or second resources. | 05-24-2012 |
| 20120127930 | UPLINK DATA ARRIVAL RANDOM ACCESS PROCEDURE - User equipment (UE) transmits an access response to a random access procedure (RACH) preamble message to acquire an uplink grant from a node of a wireless communication system. The access response provides an uplink grant to the UE for a request for authorization to transmit uplink data to the node. In response to determining that the access response message provides an uplink grant sufficient to empty the UE's data buffer, the UE transmits the request for authorization including the uplink data to the node. The UE can then terminate the RACH procedure without requiring any subsequent uplink grant from the node, having accomplished successful data transmission using the request for authorization. | 05-24-2012 |
| 20120127899 | METHOD AND SYSTEM FOR PROVIDING BEAMFORMING FEEDBACK IN WIRELESS COMMUNICATION SYSTEMS - Techniques to support beamforming for stations in a wireless network are described. A station may support beamforming with implicit or explicit feedback by having capabilities to transmit and receive sounding frames, responding to training request by sending a sounding frame, and responding to request for explicit feedback. In one explicit beamforming embodiment, the station may send a first frame with an explicit feedback request and may also send a Null Data Packet (NDP) having at least one training field but no data field. The station may receive a second frame with explicit feedback, which may be derived based on the NDP. The station may derive steering information based on explicit feedback and may then send a steered frame with beamforming based on the steering information. Other aspects, embodiments, and features are also claimed and described. | 05-24-2012 |
| 20120127270 | DEPTH ESTIMATION BASED ON GLOBAL MOTION - This disclosure describes techniques for estimating a depth of image objects for a two-dimensional (2D) view of a video presentation. For example, a plurality of feature points may be determined for a 2D view. The plurality of feature points may be used to estimate global motion, e.g., motion of an observer (e.g., camera), of the 2D view. For example, the plurality of feature points may be used to generate a global motion frame difference. The global motion frame difference may be used to create a depth map for the 2D view, which may be used to generate an alternative view of the video presentation that may be used to display a three-dimensional (3D) video presentation. | 05-24-2012 |
| 20120127267 | DEPTH ESTIMATION BASED ON GLOBAL MOTION - This disclosure describes techniques for estimating a depth of image objects for a two-dimensional (2D) view of a video presentation. For example, an initial indication of depth (e.g., an optical flow) may be determined for a 2D view. The initial indication of depth may be used to estimate global motion, e.g., motion of an observer (e.g., camera), of the 2D view. The initial indication of depth may be modified based on the estimation of global motion to create a global motion-adjusted indication of depth. The global motion-adjusted depth indication may be used to create a depth map for the 2D view, which may be used to generate an alternative view of the video presentation that may be used to display a three-dimensional (3D) video presentation. | 05-24-2012 |
| 20120126771 | CIRCUITRY FOR DETECTING A TRANSIENT - Circuitry configured for detecting a transient is described. The circuitry includes an analog-to-digital converter that obtains a first voltage sample at a first time and a second voltage sample at a second time. The circuitry also includes a slope detector coupled to the analog-to-digital converter. The slope detector determines a first slope based on the first voltage sample and the second voltage sample. The circuitry further includes a threshold detector coupled to the slope detector. The threshold detector generates a first signal if the first slope exceeds a transient threshold. | 05-24-2012 |
| 20120126761 | CIRCUITRY FOR CONTROLLING A VOLTAGE - Circuitry configured for controlling a voltage is described. The circuitry includes a transient detector that detects a transient in a first frame. The circuitry also includes a controller coupled to the transient detector. The controller determines a duty cycle during a period upon detection of the transient and promotes a second frame based on the period. | 05-24-2012 |
| 20120124433 | Feedback Scan Isolation and Scan Bypass Architecture - A feedback scan isolation and bypass architecture apparatus and method. The apparatus includes core logic, and input and output multiplexers. The input multiplexer selectively provides a functional input or the core output to the core input based on a test signal. The output multiplexer selectively provides the core output or the input multiplexer output to a functional output based on the test signal. When the test signal indicates core feedback testing, the output multiplexer outputs the core output and the input multiplexer feeds back the core output to the core input. When the test signal indicates bypass testing, the input multiplexer outputs the functional input and the output multiplexer outputs the functional input bypassing the core logic. Logic can block the feedback or bypass signals when there are timing issues. Logic can modify the number of feedback or bypass signals when the number of functional inputs and outputs are different. | 05-17-2012 |
| 20120124263 | ALLOCATING GRANT CHANNEL RESOURCES - Grant channel resources are allocated based on the number of access terminals that use different types of transmission time intervals (TTIs) for data transmissions. For example, if the number of access terminals using a first type of TTI exceeds the number of access terminals using a second type of TTI, more grant channel resources are allocated to the access terminals that use the first type of TTI. | 05-17-2012 |
| 20120124231 | METHODS AND APPARATUS FOR CONTROLLING SWITCHING BETWEEN RESOURCES AND/OR COMMUNICATING RESOURCE CHANGE INFORMATION IN A WIRELESS COMMUNICATIONS SYSTEM - Methods and apparatus for controlling switching between resources and/or communicating resource change information in a wireless communications system are described. Various methods and apparatus are well suited for use in a decentralized wireless communications network, such as a decentralized peer to peer wireless network, where an individual communications device self allocates resources and makes resource switching decisions. A first communications device may decide that there is a need to switch from the first communications resource corresponding to a first identifier to a second communications resource corresponding to a second identifier, e.g., because of interference. The first communications device generates and transmits a broadcast change signal indicating a change from the first communications resource associated with the first identifier to a second communications resource associated with the second identifier. In some embodiments, the resource change signal is transmitted on at least one of the first and second communications resources. | 05-17-2012 |
| 20120124229 | METHODS AND APPARATUS OF INTEGRATING DEVICE POLICY AND NETWORK POLICY FOR ARBITRATION OF PACKET DATA APPLICATIONS - An apparatus or method integrates device policy and network policy in order to arbitrate a priority between packet data applications or services for a data connection. In response to a request, a data connection to a wireless network is established for a first application of a first type of application or service if no data session is in progress or if a second application of a second type of application or service can share an existing data session. A hybrid arbitrator performs hybrid arbitration between the first application and the second application in response to determining that the first type and the second type cannot share the existing data session, either based upon a network policy that specifies a difference in priority between the first type and the second type, or based upon a device policy if the network policy does not specify a difference in priority. | 05-17-2012 |
| 20120124088 | APPARATUS AND METHOD FOR MOBILE SEARCH BASED ON SEARCH TRIGGERS - An apparatus and method for mobile search using search triggers including establishing a search state for a mobile search; defining a search scheduler based on the search state; determining to collect a search trigger for the search scheduler based on the search state; updating the search state using the collected search trigger and in accordance with the search scheduler; and performing a search for a search type based on the updated search state and in accordance with the search scheduler. | 05-17-2012 |
| 20120122514 | SELECTING NETWORK SERVICE PROVIDERS FOR MULTI-MODE MOBILE DEVICES - A method for facilitating dynamic service-based network selection and determination may be implemented by a communications device. A device may choose a network and/or network access provider (NAP) based on a type of service desired by a user. For the service, the system may determine which NAP provides the most desired service level for a particular network service provider (NSP). The desired service level may include such factors as power consumption, communication performance, past performance, cost, reward availability, etc. Thus, a user chooses a particular service and the system chooses the network that will provide the service at a desired level to the user. | 05-17-2012 |
| 20120122511 | POWER CONSERVATION IN WIRELESS ACCESS TERMINALS USING INTEGRATED PROXY FUNCTION - A power conservation scheme is provided for conserving power in an access terminal that includes a dedicated proxy circuit, a receiver/transmitter chain, and/or a baseband processor. The baseband processor is adapted to determine when a wireless communication link with an access network has been inactive for at least a threshold amount of time. If such inactivity is ascertained, the baseband processor sends a proxy request to the proxy circuit. Upon receiving such proxy request, the proxy circuit monitors a data, control, and/or paging channel on behalf of the access terminal while the baseband processor is powered down. If a signal is received for the access terminal over the monitored channel, then a wake-up signal is sent to the baseband processor to cause it to power up and monitor a data channel. Upon receiving a response from the baseband processor, the proxy circuit may stop operating as a proxy. | 05-17-2012 |
| 20120122506 | METHOD AND SYSTEM FOR PROVIDING WIRELESS COMMUNICATION SERVICES - A method for providing wireless communication services via efficient management of frequency bands includes transmitting uplink communications to a first system on a first frequency. The method also includes receiving downlink communications from the first system on a second frequency. The method may also include transmitting uplink communications to a second system by re-using the second frequency. The method further includes receiving downlink communications from the second system by re-using the first frequency. | 05-17-2012 |
| 20120122496 | MULTIPLE PAGING CHANNELS FOR EFFICIENT REGION PAGING - Systems and methods are described that mitigating coverage gaps near region boundaries using a plurality of multi-sector broadcast (MSBC) paging channels in wireless networking environments. One or more MSBC paging channels can be assigned unique time slots, such that although the channels can be identical, they are disjointed in time. Accordingly, such channels and/or dynamically generated paging zones associated therewith can be overlapped in areas where wireless device density is high and requires substantial paging capacity. Additionally, a single paging channel can be employed in multiple instances in a paging region without overlap to mitigate inter-channel interference. | 05-17-2012 |
| 20120122492 | METHOD AND APPARATUS FOR UPDATING FEMTOCELL PROXIMITY INFORMATION - Techniques are described herein for updating proximity information associated with a femtocell in a wireless communication system. An example of a method described herein includes identifying a location within a wireless communication network, associating the location with a femtocell for which proximity information relating to position of the femtocell is maintained, performing at least one search for the femtocell, and updating the proximity information maintained for the femtocell based on results of the at least one search. Another example of a method described herein includes obtaining a report of proximity information relating to a femtocell, identifying one or more network devices for which the proximity information is relevant, and communicating proximity information update signaling to the one or more network devices. | 05-17-2012 |
| 20120122487 | METHOD FOR DISCOVERY OF INDOOR LCI BASED ON APPROXIMATE LOCATION - As part of a localized positioning solution, a mobile device may transmit a request message to a server to obtain information about location contexts near the mobile device. In response, the server may, in some implementations, transmit a response message back to the mobile device that identifies a list of nearby LCIs and an area that encompasses these LCIs. The mobile device may store the returned LCI information and the returned area information in corresponding databases for later use. In some implementations, time limits may be placed on the returned area information after which the information is deemed stale. | 05-17-2012 |
| 20120122477 | GEO-LOCATION AIDED SENSING - There lies a challenge to develop a technique of accurately and efficiently determining an available communication channel. In accordance with some embodiments disclosed herein, techniques for sensing a primary user of a particular communication channel are performed more efficiently. In some implementations, a geo-location of a communication device is combined with a sensing algorithm in order to more efficiently perform spectrum sensing. In some implementations, a geo-location and an accuracy determination may be used to determine all required sample regions in order to ensure that a primary user is not present in a particular location. | 05-17-2012 |
| 20120122446 | FAST CELL SEARCH - Systems and methodologies are described that facilitate searches for a cell in a wireless communication environment. A mobile device can employ a searcher that can detect timing information respectively associated with PSCs and cells to determine the cell with the highest correlation. The searcher can detect SSCs, which can include detecting associated phase information, to determine the SSC with the highest correlation, CP length, and/or other information to facilitate identifying a desired cell having the strongest signal to establish communication between the mobile device and the desired cell. PSCs respectively associated with cells can have different positions in the symbol sequences, and SSCs can respectively be phase shifted at different angles to facilitate detection and identification of a cell(s), where a PSC can be utilized as a phase reference by the associated SSC. | 05-17-2012 |
| 20120122429 | METHOD FOR DIGITAL WATERMARK USE BY A MOBILE STATION - Disclosed is a method for digital watermark use by a mobile station. In the method, a mobile station receives a plurality of digital watermarks. The mobile station detects at least two digital watermarks in the received plurality of watermarks. Based on the at least two detected digital watermarks, a user-specific rule is applied to select a predefined action. The mobile station performs the selected predefined action. | 05-17-2012 |
| 20120121017 | REFERENCE PICTURE LIST CONSTRUCTION FOR GENERALIZED P/B FRAMES IN VIDEO CODING - This disclosure relates to techniques for indicating that a video frame is coded as a generalized P/B (GPB) frame in order to reduce a cost of coding and constructing a second reference picture list in video coding. For a GPB frame, which has identical reference picture lists, signaling and constructing both the first and second reference picture lists may be redundant. The techniques of this disclosure may include coding syntax elements indicating that the video frame is coded as the GPB frame, and coding syntax elements indicating a number of reference pictures and reference picture list construction commands for only a first reference picture list. The techniques also include constructing the first reference picture list based on the syntax elements, and then creating the second reference picture list as a duplicate of the first reference picture list. | 05-17-2012 |
| 20120121011 | PARALLEL CONTEXT CALCULATION IN VIDEO CODING - In one example, a method for coding video data includes identifying a scan path for scanning significance information associated with a quantized transform coefficient. The method also includes determining a context support neighborhood for entropy coding the significance information associated with the quantized transform coefficient, wherein the context support neighborhood excludes one or more context support elements that are located in the scan path. The method also includes coding the significance information using the modified context support neighborhood. | 05-17-2012 |
| 20120120992 | LO GENERATION AND DISTRIBUTION IN A MULTI-BAND TRANSCEIVER - A VCO of a PLL outputs a first differential signal of frequency FVCO. A first divide-by-two circuit local to the VCO divides the first differential signal and outputs a first quadrature signal of frequency FVCO/2. Two of the component signals of the first quadrature signal are routed to a second divide-by-two circuit local to a first mixer of a first device. The second divide-by-two circuit outputs a second quadrature signal of frequency FVCO/4 to the first mixer. All four signals of the first quadrature signal of frequency FVCO/2 are routed through phase mismatch correction circuitry to a second mixer of a second device. In one example, FVCO is a tunable frequency of about ten gigahertz, the first device is an IEEE802.11b/g transmitter or receiver that transmits or receives in a first band, and the second device is an IEEE802.11a transmitter or receiver that transmits or receives in a second band. | 05-17-2012 |
| 20120120931 | EFFICIENT GROUP ID MANAGEMENT FOR WIRELESS LOCAL AREA NETWORKS (WLANS) - Certain aspects of the present disclosure provide techniques and apparatus for efficiently managing overloaded group IDs for groups of stations (STAs) receiving simultaneous transmission in a multiuser multiple-input multiple-output (MU-MIMO) scheme. In this manner, overloading for some of the groups may allow flexibility at an access point (AP) to trade off between support for more STA combinations and power savings. As disclosed herein, the group ID management scheme may be flexible enough to support APs with both overloaded and non-overloaded groups and APs with only non-overloaded groups. This scheme also achieves these benefits for overloading with a low overhead. | 05-17-2012 |
| 20120120925 | METHOD AND APPARATUS FOR ANTENNA DIVERSITY IN MULTI-INPUT MULTI-OUTPUT COMMUNICATION SYSTEMS - Transmission schemes that can flexibly achieve the desired spatial multiplexing order, spatial diversity order, and channel estimation overhead order are described. For data transmission, the assigned subcarriers and spatial multiplexing order (M) for a receiver are determined, where M≧1. For each assigned subcarrier, M virtual antennas are selected from among V virtual antennas formed with V columns of an orthonormal matrix, where V≧M. V may be selected to achieve the desired spatial diversity order and channel estimation overhead order. Output symbols are mapped to the M virtual antennas selected for each assigned subcarrier by applying the orthonormal matrix. Pilot symbols are also mapped to the V virtual antennas. The mapped symbols are provided for transmission from T transmit antennas, where T≧V. Transmission symbols are generated for the mapped symbols, e.g, based on OFDM or SC-FDMA. Different cyclic delays may be applied for the T transmit antennas to improve diversity. | 05-17-2012 |
| 20120120924 | SYSTEM, APPARATUS AND METHOD FOR DOWNLINK AND UPLINK GRANT DESIGN IN WIRELESS COMMUNICATION SYSTEMS - In accordance with aspects of the disclosure, a method, apparatus, and computer program product are provided for wireless communication. The method, apparatus, and computer program product may be configured to provide at least one control channel for downlink grant information, provide at least one other control channel for uplink grant information, and adjust time apportioned for the downlink and uplink grant information in the control channels. | 05-17-2012 |
| 20120120885 | METHOD AND APPARATUS TO FACILIATE USE OF LTE CHANNELIZATION STRUCTURES AND WAVEFORMS FOR PEER-TO-PEER COMMUNICATIONS - A method, an apparatus, and a computer program product for wireless communication are provided in which a UE is equipped to receive first peer-to-peer communications using a first network communication channelization and a waveform, and transmit second peer-to-peer communications using a second network communication channelization and the waveform. Further, the UE may be equipped to map one or more channels in the second peer-to-peer communications to one or more uplink channels and/or downlink channels in the second network communication channelization. The second network communication channelization may include an LTE uplink/downlink channelization. The waveform may include OFDM or SC-FDM. | 05-17-2012 |
| 20120120882 | METHODS AND APPARATUSES FOR DOWNLINK CHANNEL RESOURCE ASSIGNMENT - Certain aspects of the present disclosure provide techniques for determining resources for transmission of acknowledgement messages to a user equipment (UE). The techniques involve receiving a plurality of codewords from the UE via an uplink component carrier, and determining at least first and second index pairs identifying resources of a downlink channel to be used for transmitting acknowledgement messages for the received codewords. The first index pair is determined based on a first set of parameters, and the second index pair is determined based on the first set of parameters and a second set of one or more parameters. At least one of the parameters in the second set is a fixed value. | 05-17-2012 |
| 20120120880 | SCHEDULING OF LOGICAL CHANNELS IN A WIRELESS COMMUNICATION SYSTEM - Techniques for scheduling logical channels for data transmission are described. In one design, a user equipment (UE) is configured with a plurality of logical channels for sending data on the uplink. Each logical channel is associated with a priority and a data buffer size. The UE maintains a token bucket for each logical channel. In each scheduling interval or when an uplink grant is received, the UE determines a bucket level (which may be a positive value or a non-positive value) for each of the plurality of logical channels. The UE ascertains logical channels with bucket levels of the same polarity and then identifies logical channels of the same priority among all logical channels with the same bucket level polarity. The UE selects at least one identified logical channel for scheduling based on the data buffer size and/or the bucket level for each identified logical channel. | 05-17-2012 |
| 20120120861 | BROADCAST AND MULTICAST SERVICES IN WIRELESS COMMUNICATION SYSTEMS - Methods and apparatus for assigning, identifying and controlling broadcast transmissions are disclosed. A broadcast flow is assigned to a broadcast logical channel of the physical resources of a wireless communication channel. A broadcast channel control message indicative of parameters of the broadcast logical channel is generated. Upon receipt, the broadcast channel control message is processed and used to accordingly process the received broadcast transmission. | 05-17-2012 |
| 20120120858 | DATA RESUME INDICATOR FOR MOBILE DEVICE POWER CONSERVATION - A novel power conservation scheme is provided for conserving power in a wireless client terminal with an established communication session. While in a connected mode, the client terminal may receive data for the communication session via a data channel from an access point. During periods of inactivity over the data channel, the client terminal may switch to a lowered power mode, where the client terminal discontinuously monitors a control channel and does not monitor the data channel. The access point is informed of the operating mode of the client terminal. If a data resume indicator is received over the control channel, the client terminal switches back to the connected mode and resumes the communication session by receiving additional data over the data channel. | 05-17-2012 |
| 20120120838 | SCOPE OF CHANNEL QUALITY REPORTING REGION IN A MULTI-CARRIER SYSTEM - Systems and methodologies are described that effectuate or facilitate multichannel feedback in multichannel wireless communication environments. In accordance with various aspects set forth herein, systems and/or methods are provided that construct a carrier set, classifies a carrier as belonging to the carrier set, utilizes the carrier as representative of all carriers included in the carrier set to measure a channel quality of the carrier, and transmits a CQI based on the channel quality of the carrier, wherein the broadcast CQI is representative of all carriers included in the carrier set. | 05-17-2012 |
| 20120120824 | METHOD AND APPARATUS FOR REQUESTING AND SHARING NETWORK PERFORMANCE INFORMATION (NPI) - Apparatus and methods that provide wireless communications, where a method for wireless communications includes determining network performance; and sharing NPI with a network node; wherein the NPI comprises information necessary for the network node to determine the performance available on a network. | 05-17-2012 |
| 20120120789 | SYSTEMS AND METHODS FOR IMPROVING CIRCUIT SWITCHED FALLBACK PERFORMANCE - Methods and apparatus for improving Circuit Switched (CS) Fallback performance, such as in an LTE network, are described. In one aspect, a UE may perform a RAU procedure before performing a CS call setup procedure when the UE has camped on a Non-DTM GERAN target after failing to access a redirection target. In another aspect, an MME may determine whether to perform a PS suspension based on an ISR status associated with a user terminal. In another aspect, an eNB may send information associated with a PS suspension to a user terminal. | 05-17-2012 |
| 20120120256 | PARALLEL IMAGE PROCESSING USING MULTIPLE PROCESSORS - An electronic device for parallel image processing using multiple processors is disclosed. The electronic device includes multiple image sensors for providing image data. The electronic device also includes multiple processors for processing segmented image data to produce processed segmented image data. Each processor is dedicated to one of the image sensors. A multiple processor interface is also included. The multiple processor interface maps the image data to the processors, segments the image data to produce the segmented image data and synchronizes the segmented image data to processor clock rates. | 05-17-2012 |
| 20120119947 | System and/or method for reducing ambiguities in received SPS signals - The subject matter disclosed herein relates to a system and method for resolving ambiguities associated with signals received from space vehicles (SVs) in a satellite navigation system. | 05-17-2012 |
| 20120119835 | CURRENT MODE POWER AMPLIFIER PROVIDING HARMONIC DISTORTION SUPPRESSION - A current mode power amplifier includes a current steering stage configured to steer a scaled current based on differential voltage inputs, a filtered current mirror connected to the current steering stage to receive the scaled current and produce a filtered output current, and a resonant load configured to receive the output current and generate an output voltage signal for transmission. | 05-17-2012 |
| 20120117536 | METHODS AND APPARATUS FOR SUB-ASSET MODIFICATION - Methods and apparatus for on-the-fly identification of sub-asset modifications in a data pipeline are described. | 05-10-2012 |
| 20120117446 | PACKET-LEVEL ERASURE PROTECTION CODING IN AGGREGATED PACKET TRANSMISSIONS - In a first aspect, an aggregated packet (A-MPDU) includes packets (MPDUs) and EC-Blocks (Error Correction Blocks) containing error correction coding information. A transmitter uses a Fountain coding scheme (for example, Raptor or RaptorQ) to generate the error correction coding information from the MPDUs. If a receiver detects an error in a received MPDU, then the receiver uses the error correction coding information from the EC-Blocks to correct the error. In a second novel aspect, a determination is made as to whether a change in error rate is more likely due to collisions or to a low SNR. If the determination is that the change is due to collisions then the MCS index is adjusted to restore a target error rate, whereas if the determination is that the change is due to a low SNR then the number of EC-Blocks per A-MPDU is adjusted to restore the target error rate. | 05-10-2012 |
| 20120117358 | Software Selectable Adjustment of SIMD Parallelism - Selective power control of one or more processing elements matches a degree of parallelism to requirements of a task performed in a highly parallel programmable data processor. For example, when program operations require less than the full width of the data path, a software instruction of the program sets a mode of operation requiring a subset of the parallel processing capacity. At least one parallel processing element, that is not needed, can be shut down to conserve power. At a later time, when the added capacity is needed, execution of another software instruction sets the mode of operation to that of the wider data path, typically the full width, and the mode change reactivates the previously shut-down processing element. | 05-10-2012 |
| 20120117327 | Bimodal Branch Predictor Encoded in a Branch Instruction - Each branch instruction having branch prediction support has branch prediction bits in architecture specified bit positions in the branch instruction. An instruction cache supports modifying the branch instructions with updated branch prediction bits that are dynamically determined when the branch instruction executes. | 05-10-2012 |
| 20120117155 | METHODS AND APPARATUS FOR RESOURCE ALLOCATIONS TO SUPPORT PEER-TO-PEER COMMUNICATIONS IN CELLULAR NETWORKS - A method of operating a wireless device associated with a first cell includes receiving information on a first set of resources for intracell peer-to-peer communication and on a second set of resources for intercell peer-to-peer communication. In addition, the method includes utilizing at least one of the first set of resources to communicate with a second wireless device within the first cell or the second set of resources to communicate with the second wireless device within a second cell based on the received information. | 05-10-2012 |
| 20120116672 | HAPTIC BASED PERSONAL NAVIGATION - A mobile platform includes one or more haptic feedback elements that are positioned in regions of the mobile platform that are proximate to a facial region of a user while the user holds the mobile platform to an ear. By way of example, the haptic feedback elements may be electric force elements that overlay a display or vibrating or thermal elements. The mobile platform is capable of determining a current location and receiving a desired location, which may be, e.g., a location provided by the user, a location with superior signal strength or of another mobile platform. The mobile platform determines directions from the present location to the current location and translates the direction in to control signals. Haptic signals are produced to the facial region of the user by the haptic feedback elements in response to the control signals, thereby providing the directions to the user. | 05-10-2012 |
| 20120115537 | CARRIER GROUPING FOR POWER HEADROOM REPORT - Methods, systems, devices, and computer program products are disclosed which facilitate the transmission and reception of power headroom reports for component carriers in a multi carrier wireless communication system. A mobile device may determine available power headroom in a multicarrier configuration through a calculation of a maximum transmit power associated with a first component carrier (CC) in a subset of the CCs. The calculation can account for increases in transmit power of other component carriers in the subset by proportionally increasing transmit powers for each of the subset of CCs. A power headroom may be identified for one or more of the CCs based on a result of the calculation, and a power headroom report (PHR) may be generated that includes the power headroom available for the first CC. | 05-10-2012 |
| 20120115536 | POWER CONTROL FOR TV WHITE SPACE DEVICES - Certain aspects of the present disclosure provide techniques and apparatus for using power control in a television white space (TVWS) network. One example method generally includes generating, at a first apparatus, a message for controlling a transmit power of a second apparatus—the message including a first indication of a first transmitter power backoff for the first apparatus and a second indication of a second transmitter power backoff for the second apparatus—and transmitting, to the second apparatus, the message based on the first transmitter power backoff. In this manner, messaging may be used to enable transmit power control of devices in a TVWS network, which may operate in accordance with the IEEE 802.11af standard. | 05-10-2012 |
| 20120115534 | DYNAMIC UPLINK POWER CONTROL - Power adjustment in the user equipment (UE) includes adjusting the transmission power level for each of multiple transport blocks based on the spectral efficiency associated with the transport block. The UE receives a scheduled transport format parameter for each of multiple transport blocks to be transmitted. Based on those scheduled transport format parameters, the UE determines a transmit power level adjustment for each transport block. The UE will adjust the power according to the determined transmit power level adjustment and transmit each transport block using the adjusted power level. | 05-10-2012 |
| 20120115531 | TRANSMISSION POWER DEPENDENT IMBALANCE COMPENSATION FOR MULTI-ANTENNA SYSTEMS - Methods and apparatuses for wireless communication are provided. In an aspect, Transmissions are received from multiple antennas of a user equipment and a differential power control message that is based on an imbalance of transmitted power from the multiple antennas is transmitted. In another aspect, a differential power control message that is based on an imbalance of transmitted power from multiple antennas of a user equipment is received and based on the message, the imbalance is compensated for by varying a transmit power from one or more of the multiple antennas. | 05-10-2012 |
| 20120115509 | METHOD AND APPARATUS FOR IMPROVING RADIO LOCATION ACCURACY WITH MEASUREMENTS - A method and apparatus to utilize a set of measurements (either partial or compete) to improve the accuracy of an initial position estimate for a wireless terminal. The initial position estimate for the terminal is first obtained (e.g., based on a cell-ID or an enhanced cell-ID solution). Measurements are obtained for the terminal. The initial position estimate is then updated with the measurements to obtain a revised position estimate for the terminal. The updating may be performed by (1) deriving a measurement vector based on the initial position estimate and the measurements, (2) forming an observation matrix for the measurements, (3) determining a matrix of weights, (4) deriving a correction vector based on the measurement vector, the observation matrix, and the weight matrix, and (5) updating the initial position estimate with the correction vector. | 05-10-2012 |
| 20120115508 | WIRELESS NETWORK HYBRID POSITIONING - Methods and apparatuses for position determination and other operations. In one embodiment of the present invention, a mobile station uses wireless signals from a plurality of wireless networks (e.g., with different air interfaces and/or operated by different service providers) for position determination (e.g., for data communication, for obtaining time and/or frequency information, for range measurement, for sector or altitude estimation). In one embodiment of the present invention, mobile stations are used to harvest statistical data about wireless access points (e.g., the locations of mobile stations that have received signals from the wireless access points, such as from cellular base stations, wireless local area network access points, repeaters for positioning signals or other wireless communication transmitters) and to derive location information (e.g., position and coverage area of the wireless access points) for the wireless networks from the collected statistical data. | 05-10-2012 |
| 20120115496 | SYSTEM AND METHOD FOR SYNCHRONIZING FEMTOCELLS USING INTERCELL UPLINK SIGNALS - A system and method provides accurate and timely updates to timing and/or frequency information for a femtocell utilizing information gathered from user equipment camped on a neighboring macrocell. In one example, user equipment camped on the neighboring macrocell actively gathers aiding information such as timing and frequency information related to the macrocell on which it is camped. The user equipment then transmits the aiding information to the femtocell utilizing a different link other than that used for communicating with the macrocell. In another example, the femtocell sniffs uplink transmissions from the user equipment that are not directed at the femtocell, but rather are normal communications between the user equipment and its serving macrocell. Here, the femtocell utilizes information it gathers about the macrocell and utilizes its WWAN interface to sniff the uplink transmissions from the user equipment and extracts timing and/or frequency information based on those transmissions. | 05-10-2012 |
| 20120115488 | SIGNAL TRANSMISSION PATTERN - An access point transmits signals (e.g., a cell reselection beacon) on a carrier frequency according to a multi-power level transmission pattern. Signals are transmitted at a high power level for a first defined period of time (e.g., between 4-7 milliseconds) and at a low power level for a second defined period of time (e.g., between 58-65 milliseconds). | 05-10-2012 |
| 20120115471 | DISCONTINUOUS TRANSMISSION IN FEMTOCELLS - Systems, methods, devices, and computer program products are described for discontinuous transmissions in a wireless communications system. In one example, a femtocell uses out-of-band (OOB) signals to detect the presence of user equipment (UEs) in a femtocell coverage area. In response to the detection, the femtocell may transmit in-band signals to facilitate communication with and registration of the detected UE. The femtocell may then perform discontinuous in-band transmissions to the registered UE. | 05-10-2012 |
| 20120115456 | LOW POWER DUAL PROCESSOR ARCHITECTURE FOR MULTI MODE DEVICES - A mobile computing device with multiple modes, for example, wireless communication and personal computing, has an application processor and a communication processor. In the computing mode, the application processor is the master processor. In the communication mode, the application processor is deenergized to conserve battery power, with the communication processor functioning as the master processor by accessing the device's peripheral bus using the memory interface of the communication processor. | 05-10-2012 |
| 20120115445 | DYNAMIC TAPPING FORCE FEEDBACK FOR MOBILE DEVICES - Dynamic force feedback is provided in a device to alert a user about a message received on the device from a remote user and to convey content, context, or a type of the message. Producing dynamic force feedback may include activating a motion induction device, which accelerates and decelerates a mass to create tapping within the device. The amplitude and frequency of the tapping may be configured to produce sequences of taps to alert the user about different types, contexts, or content of received messages. Additionally, multiple motion induction devices may be included in a device to produce dynamic force feedback along multiple dimensions. Multiple dimension dynamic force feedback may be used in providing geographical directions to a user. | 05-10-2012 |
| 20120115430 | Mobile Device Having An Emergency Mode - Disclosed is an apparatus and method to locate a mobile device in an emergency situation. The mobile device includes a display device, a user interface to receive an emergency mode request from a user, and a processor. The processor may be configured to execute instructions to implement an emergency mode process based upon the receipt of the emergency mode request from the user. The emergency mode process is implemented to: monitor received signals to locate a base station, wherein, once a base station is located, a short emergency message is transmitted to the base station including the location of the mobile device. The emergency mode process is further implemented to: monitor received signals to receive an acknowledgement signal from the base station; and reduce a plurality of first non-essential functions of the mobile device to reduce power consumption. | 05-10-2012 |
| 20120115412 | IQ IMBALANCE COMPENSATION IN INTERFERENCE CANCELLATION REPEATER USING A ZERO-IF RADIO ARCHITECTURE - An interference cancellation repeater employing zero-IF or direct conversion radio architecture implements IQ imbalance compensation using a metric and an adaptive algorithm. The metric is based on the image rejection ratio of the repeater and is indicative of the level of spectral image caused by the repeater's receiver or transmitter IQ imbalance. | 05-10-2012 |
| 20120114134 | METHODS AND APPARATUS FOR CONTROL AND TRAFFIC SIGNALING IN WIRELESS MICROPHONE TRANSMISSION SYSTEMS - Methods and apparatus for controlling the communications between a wireless microphone receiver and one or more wireless microphone transmitters are described. In accordance with some embodiments a common control channel is used for communicating control signals between the wireless microphone receiver and one or more wireless microphone transmitters, while separate audio data channels are used to carry audio data traffic from each individual wireless microphone transmitter to the microphone receiver. In accordance with some other embodiment, a time division approach is used in which there are microphone transmit time periods and control signaling time periods. During the microphone transmit time periods, wireless microphone transmitters transmit audio data signals and, in some embodiment, control signals, to the wireless microphone receiver using separate frequency subbands within a frequency band. During control signaling time periods, the wireless microphone receiver transmits a control signal to a wireless microphone transmitter using the frequency band. | 05-10-2012 |
| 20120114084 | METHODS AND APPARATUS FOR LOW COMPLEXITY SOFT-INPUT SOFT-OUTPUT GROUP DETECTION - Certain aspects of the present disclosure propose methods and apparatus for low complexity soft-in soft-out detection that divide a plurality of received symbols into a plurality of groups of symbols and performs preprocessing on the symbols in each group to suppress interference from other groups. The preprocessing may utilize a priori information for one or more symbols in one or more groups that are not yet detected, and/or a posteriori information for one or more symbols in one or more groups that are already detected and/or decoded. The preprocessed symbols may then be detected using a soft-in soft-out detection algorithm. | 05-10-2012 |
| 20120114065 | CUBIC-METRIC BASED FREQUENCY SELECTIVE PRECODING FOR UPLINK IN MIMO COMMUNICATION SYSTEM - A method of wireless communication is disclosed which includes acquiring a first set of precoding matrices for a set of frequency bands and generating a second set of precoding matrices for the set of frequency bands based on the first set of precoding matrices. The second set of precoding matrices enables a transmission that satisfies a cubic metric criteria in multiple-in multiple-out communication mode in the uplink. In some designs, generating the second set of precoding matrices can be based on restricting the first set of precoding matrices for a set of frequency bands and transmission rank, rotating the first set of precoding matrices based for a predetermined transmission rank, or a combination thereof. | 05-10-2012 |
| 20120114045 | VIDEO PROCESSING ARCHITECTURE - A method for video processing may include receiving video data units, and compressing the video data units to generate compressed video data units that have a variable size. The method may also include storing the compressed video data units contiguously in a memory in memory segments that have a fixed size, where the size of at least one of the compressed video data units is indivisible by the fixed size of the memory segments, and where a portion of the indivisible compressed video data unit is stored with a portion of another compressed video data unit in one of the memory segments. The method may also include determining data storage information associated with the compressed video data units, and storing the data storage information in the memory. A system may have a video processing architecture designed to support the method. | 05-10-2012 |
| 20120114019 | RANGE EXTENSION TECHNIQUES FOR A WIRELESS LOCAL AREA NETWORK - Techniques for extending transmission range in a WLAN are described. In an aspect, a receiving station determines the frequency error between a transmitting station and the receiving station based on one or more initial packet transmissions and corrects this frequency error for subsequent packet transmissions received from the transmitting station. The residual frequency error is small after correcting for the frequency error and allows the receiving station to perform coherent accumulation/integration over a longer time interval to detect for a packet transmission. The longer coherent accumulation interval improves detection performance, especially at low SNRs for extended transmission range. The techniques may be used whenever the receiving station knows the identity of the transmitting station, e.g., if the subsequent packet transmissions are scheduled. Other aspects, features, and embodiments are also claimed and described. | 05-10-2012 |
| 20120114014 | USING PRECODING VECTOR SWITCHING IN UPLINK SHARED CHANNEL - Methods and apparatuses are provided that include providing transmit diversity for data channel transmissions. Different precoding vectors can be used over different slots of a given subframes to precode corresponding signals. The precoding vectors, in one example, can be orthogonal. In addition, using the different precoding vectors can be determined based on a user equipment receiving an indicator from a base station receiving the data channel transmissions of whether to use frequency hopping over the slots. Moreover, precoding vectors used to precode data channel transmissions can additionally or alternatively vary across subframes. | 05-10-2012 |
| 20120113971 | EFFICIENT WLAN DISCOVERY AND ASSOCIATION - Methods, systems, and devices are described for discovering and associating with WLAN using Request to Send (RTS) and Clear to Send (CTS) frames. A mobile device may identify a WLAN access point associated with a location of the mobile device. The mobile device may transmit a Request to Send (RTS) frame to the access point and receive a CTS frame from the access point. The mobile device may determine that the access point is within range of the mobile device based on the received CTS frame. Some embodiments may provide for transmitting an association request frame to the access point in response to the received CTS frame. The association request frame may be transmitted to the access point in a time period associated with the CTS frame. | 05-10-2012 |
| 20120113960 | Method and Apparatus to Support HSUPA During Baton Handover in TD-SCDMA Systems - Certain aspects of the present disclosure propose techniques for continuing high-speed packet access (HSPA) during the baton handover in Target Cell Time Division Synchronous Code Division Multiple Access (TD-SCDMA) systems. In an aspect of the disclosure, a technique for performing a baton handover from a source node B (NB) to a target NB by a user equipment (UE) is provided. The technique generally includes receiving a first signal instructing the UE to perform the baton handover from the source NB to the target NB, transmitting data in uplink transmissions to the target NB during the baton handover, and receiving, from the source NB, information regarding the uplink transmissions. | 05-10-2012 |
| 20120113917 | INTERACTION OF PDSCH RESOURCE MAPPING, CSI-RS, AND MUTING - Certain aspects of the present disclosure provide techniques that may help resolve ambiguities between a base station and a user equipment (UE) regarding the use or resource elements (REs) reserved for special purposes, such as PDSCH muting and/or CSI-RS. | 05-10-2012 |
| 20120113906 | METHOD AND APPARATUS TO FACILITATE SUPPORT FOR MULTI-RADIO COEXISTENCE - A connection engine and coexistence manager are employed to manage radio resources in a user equipment. The connection engine defines desired performance metrics for sets of radio resources. The coexistence manager allocates potentially interfering radio resources to achieve desired performance metrics while accounting for resource capacity, potential collision rates, and other metrics. | 05-10-2012 |
| 20120113898 | USING PRECODING VECTOR SWITCHING IN UPLINK CONTROL CHANNEL - Methods and apparatuses are provided that include using orthogonal precoding vectors to precode signals for transmission in a given subframe. Transmissions in a first slot of the subframe can be precoded with a first precoding vector, and transmissions in a second slot of the subframe can be precoded with a second precoding vector, which can be orthogonal to the first precoding vector. The precoding vectors can be selected using precoding vector switching or a similar mechanism. Thus, diversity is provided for transmissions within a given subframe to improve reliability of receiving the transmissions. In addition, other precoding vectors can be used to precode signals for transmissions in a subsequent subframe. | 05-10-2012 |
| 20120113890 | REVERSE LINK POWER AND DATA RATE CONTROL - Arrangements are presented for adjusting a power level and data rate at an access terminal. The access terminal may include a transmitter module configured to transmit data packets to a gateway. The access terminal may include a receiver module configured to receive control data generated at the gateway. The access terminal may also include a control module. The control module may evaluate the received control data. The control module may increase a transmit power level for data packets to be transmitted from the transmitter module when a first set of conditions is not satisfied. In the first set of conditions, the control data may include a first command. The control module may increase a data rate for data packets to be transmitted from the transmitter module when a second set of conditions is satisfied. In the second set of conditions, the control data may include a second command. | 05-10-2012 |
| 20120113878 | TIME SHIFTING OF CO-CHANNEL DATA TRANSMISSIONS TO REDUCE CO-CHANNEL INTERFERENCE - A cellular communications system in which transmission of control signals for plural different remote stations is so displaced in time that the transmission of control signals for one remote station does not interfere with the transmission of control signals for another remote station, the displacement being sufficient to prevent contemporaneous reception of control signals by the remote station intended for the other remote station. | 05-10-2012 |
| 20120113869 | METHOD AND APPARATUS FOR IMPROVING UPLINK TRANSMISSION MODE CONFIGURATION - A method, an apparatus, and a computer program product for wireless communication are provided in which a first message to reconfigure an uplink transmission mode of a user equipment (UE) from a first uplink transmission mode to a second uplink transmission mode is transmitted. Further, a reconfiguration scheme to assure at least one of two or more second messages are recognizable by the UE during a transition period after transmission of the first message is implemented. In another example, a UE and eNB may be equipped to respectively transmit and receive a first message to reconfigure a SRS mode used by a UE. In such an aspect the first message may respectively indicate and be used to determine an SRS transmission port specified in a field capable of indicating a number of SRS transmission ports that is greater than a number of physical UE antenna ports. | 05-10-2012 |
| 20120113866 | INTER-FREQUENCY MEASUREMENT CONTROL IN A MULTI-CARRIER SYSTEM - Techniques are disclosed for signaling a capability to operate in one or more carrier aggregation configurations and measurement gap requirements corresponding to the carrier aggregation configurations. Each carrier aggregation configuration may include one or more frequency bands and a mobile terminal can provide an indication of its measurement gap requirements for all or a subset of its supported frequency bands when operating in the carrier aggregation configurations. The measurement gap requirements may correspond to a physical or logical configuration of receiver resources and the signaling may be initiated by the mobile terminal or by a base station in communication with the mobile terminal. | 05-10-2012 |
| 20120113865 | ACCESS POINT NAME LIST BASED NETWORK ACCESS MANAGEMENT - A method is performed by a device. The method includes determining whether the device is allowed to attach to an operator network based at least partially on whether all access point names in a minimum access point name list are enabled in the device. The device allows itself to attach to the operator network if it is determined that the device is allowed to attach to the operator network. The device prevents itself from attaching to the operator network if it is determined that the device is not allowed to attach to the operator network. The device can wirelessly receive a command to disable an access point name in the device. If an access point name on a detach access point name list is disabled, then the device detaches from the operator network and prevents itself from reattaching until an integrated circuit card in the device is removed and replaced. | 05-10-2012 |
| 20120113862 | COMMUNICATING VIA A FEMTO ACCESS POINT WITHIN A WIRELESS COMMUNICATIONS SYSTEM - In an embodiment, a user of a wireless communications device (WCD) is notified when operating in a serving area of a FEMTO access point (AP). In another embodiment, the WCD can notify an application server (AS) that the WCD is served by the FEMTO AP. In another embodiment, the AS can set a service level for a server-arbitrated communication session (CS) based on the FEMTO AP serving status of participating WCDs. In another embodiment, the FEMTO AP can determine to use a downlink control or signaling channel to transmit data to the WCD. In another embodiment, based on its serving FEMTO AP status, the WCD can (i) modify its participation level in the CS and/or (ii) selectively track usage. In another embodiment, the WCD or FEMTO AP can measure performance parameters of the CS to determine whether to trigger a handoff of the WCD to a different AP. | 05-10-2012 |
| 20120113849 | CQI-ONLY TRANSMISSION ON THE PUSCH - A method for transmitting a channel quality indicator-only feedback payload is described. A channel quality indicator scheduling message is received from a base station. A channel quality indicator-only feedback payload is generated. The channel quality indicator-only feedback payload is transmitted on a physical uplink shared channel. The method may be performed by a wireless communication device. | 05-10-2012 |
| 20120113834 | SYSTEMS, APPARATUS AND METHODS TO FACILITATE EFFICIENT REPEATER USAGE - In accordance with aspects of the disclosure, a method, apparatus, and computer program product are provided for wireless communication. The method, apparatus, and computer program product may be provided for detecting a change in power of received signals and adjusting amplification of the received signals based on the detected change in power prior to transmitting the signals. | 05-10-2012 |
| 20120113832 | TRANSMISSION OF CONTROL INFORMATION ON UPLINK CHANNELS - Techniques for sending control information on uplink channels are disclosed. In one design, a user equipment (UE) may determine its current configuration for concurrent transmission of a control channel and a shared channel. The UE may select one or more channels, from among the control channel and the shared channel, to send control information of at least one type in a same subframe. The UE may select the one or more channels based on the types of control information to send, the current configuration for concurrent transmission of the control channel and the shared channel, whether the UE is scheduled for data transmission on the shared channel in the subframe, whether the UE has sufficient transmit power to transmit both the control channel and the shared channel, etc. The UE may send the control information on the one or more selected channels in the subframe. | 05-10-2012 |
| 20120113816 | REFERENCE SIGNAL RECEPTION AND CHANNEL STATE INFORMATION DETERMINATION FOR MULTIPLE NODES IN A WIRELESS COMMUNICATION NETWORK - Techniques for receiving reference signals from multiple nodes and determining channel state information (CSI) for the nodes are disclosed. A user equipment (UE) may determine and report CSI for the multiple nodes to support data transmission to the UE. The nodes may transmit reference signals based on different configurations. The configuration for each node may indicate when, where, and how the node transmits its reference signal. The UE may determine CSI for different nodes and/or different combinations of nodes based on the reference signals transmitted by these nodes as well as an indication of which subframes to use to determine each CSI reported by the UE. The UE may report different CSIs for different subframes and may receive data transmission sent by a single node or a combination of nodes based on the reported CSIs. | 05-10-2012 |
| 20120113708 | Stable SRAM Bitcell Design Utilizing Independent Gate Finfet - Stable SRAM cells utilizing Independent Gate FinFET architectures provide improvements over conventional SRAM cells in device parameters such as Read Static Noise Margin (RSNM) and Write Noise Margin (WNM). Exemplary SRAM cells comprise a pair of storage nodes, a pair of bit lines, a pair of pull-up devices, a pair of pull-down devices and a pair of pass-gate devices. A first control signal and a second control signal are configured to adjust drive strengths of the pass-gate devices, and a third control signal is configured to adjust drive strengths of the pull-up devices, wherein the first control signal is routed orthogonal to a bit line direction, and the second and third control signals are routed in a direction same as the bit line direction. RSNM and WNM are improved by adjusting drive strengths of the pull-up and pass-gate devices during read and write operations. | 05-10-2012 |
| 20120113241 | FINGERTIP TRACKING FOR TOUCHLESS USER INTERFACE - In general, this disclosure describes techniques for providing a gesture-based user interface. For example, according to some aspects of the disclosure, a user interface generally includes a camera and a computing device that identifies and tracks the motion of one or more fingertips of a user. In some examples, the user interface is configured to identify predefined gestures (e.g., patterns of motion) associated with certain motions of the user's fingertips. In another example, the user interface is configured to identify hand postures (e.g., patterns of showing up of fingertips). Accordingly, the user can interact with the computing device by performing the gestures. | 05-10-2012 |
| 20120113125 | CONSTRAINT SYSTEMS AND METHODS FOR MANIPULATING NON-HIERARCHICAL OBJECTS - Methods and apparatus for animating images using bidirectional constraints are described. | 05-10-2012 |
| 20120112813 | Latch Circuits with Synchronous Data Loading and Self-Timed Asynchronous Data Capture - A latch integrated circuit has synchronous data loading and self-timed asynchronous data capture characteristics. The integrated circuit may include a latch, a pulse generator and a comparator. The latch can be responsive to a data signal and a write enable signal. The pulse generator may be configured to generate the write enable signal as a pulse. This pulse may have a leading edge synchronized with a first edge of a clock signal and a self-timed trailing edge synchronized with an edge of a comparison signal. The comparator may be configured to generate the comparison signal in response to comparing logic levels of at least two nodes within the integrated circuit. | 05-10-2012 |
| 20120112809 | METHOD AND DIGITAL CIRCUIT FOR GENERATING A WAVEFORM FROM STORED DIGITAL VALUES - In a particular embodiment, a method includes adjusting an input to a divider on a feedback path of a phase locked loop circuit based on a stored digital value representing a portion of a time-based waveform that is applied to a modulator circuit. The stored digital value is retrieved based on an output of the feedback path. | 05-10-2012 |
| 20120112312 | Integrated Circuit Chip Customization Using Backside Access - An integrated circuit, a method for making an integrated circuit product, and methods for customizing an integrated circuit are disclosed. Integrated circuit elements including programmable elements, such as fuses, PROMs, RRAMs, MRAMs, or the like, are formed on the frontside of a substrate. Vias are formed through the substrate from its frontside to its backside to establish conduction paths to at least some of the programmable elements from the backside. A programming stimulus is applied to at least some of the vias from the backside to program at least some of the frontside programmable elements. | 05-10-2012 |
| 20120110531 | DEFECT AND YIELD PREDICTION FOR SEGMENTS OF AN INTEGRATED CIRCUIT - Defect prediction information is determined for a segment of an integrated circuit layout. Marker information is obtained, for example from user input into a computer design tool, where the marker information defines the segment. A segment can be defined to be any arbitrary portion of the layout and can include portions of multiple blocks. The marker information is used to extract layout information corresponding to the segment. The extracted segment layout information is analyzed to determine the defect prediction information. In one example, the determination involves performing a Critical Area Analysis such that the defect prediction information is a yield prediction value. This process is repeated for multiple segments, and the defect prediction information for the segments is compared to identify the segment most susceptible to defects. The user can modify the design of the segment, and repeat the process to improve yield in the manufacture of the integrated circuit. | 05-03-2012 |
| 20120110498 | SYSTEM AND METHOD FOR USING A VISUAL PASSWORD SCHEME - A system and method for inputting a password. The system and method operates to associate unique non-descriptive graphical features with unique text-based characters. The system and method operates to receive in sequence, a plurality of text-based characters. The system and method operates to display in sequence, in accordance with a sequence scheme, the non-descriptive graphical features associated with the plurality of text-based characters. The system and method also operates to process the plurality of text-based characters as the password. In addition, the system and method operates wherein the password, including text-based characters, may be deciphered from both the display of the non-descriptive graphical features associated with the plurality of text-based characters and the sequence scheme. | 05-03-2012 |
| 20120110367 | Architecture and Method for Eliminating Store Buffers in a DSP/Processor with Multiple Memory Accesses - A method and apparatus for controlling system access to a memory that includes receiving first and second instructions, and evaluating whether both instructions can architecturally complete. When at least one instruction cannot architecturally complete, delaying both instructions. When both instructions can architecturally complete and at least one is a write instruction, adjusting a write control of the memory to account for an evaluation delay. The evaluation delay can be sufficient to evaluate whether both instructions can architecturally complete. The evaluation delay can be input to the write control and not the read control of the memory. A precharge clock of the memory can be adjusted to account for the evaluation delay. Evaluating whether both instructions can architecturally complete can include determining whether data for each instruction is located in a cache, and whether the instructions are memory access instructions. | 05-03-2012 |
| 20120110234 | MULTI-PROTOCOL BUS INTERFACE DEVICE - A bus interface device is configured to receive data from one or more devices via a bus. The bus interface device is also configured to process first data received via the bus according to a transport protocol of the bus. The bus interface device is further configured to process second data received via the bus according to a native coding/decoding (CODEC) protocol that is distinct from the transport protocol. | 05-03-2012 |
| 20120110115 | Exchanging Data Associated With A Communication Session Within A Communications System - In an embodiment, an access terminal includes at least first, second and third functional layers, whereby the first functional layer (e.g., a MAC layer) attempts to a data packet on behalf of the third functional layer (e.g., an application-layer) to an application server via a serving network. If the first functional layer receives an ACK that the serving network has received the data packet, the third functional layer is notified of the ACK. If the first functional layer determines the attempt to transmit the data packet to the serving network has failed, the third functional layer is notified of the transmission failure. In another embodiment, during set-up of a traffic channel (TCH) for a communication session, the access terminal transmits a message to the application server over a signaling port that includes both application-layer and transport-layer connection information to facilitate set-up of a data port for the communication session. | 05-03-2012 |
| 20120110037 | Methods and Apparatus for a Read, Merge and Write Register File - Processor systems utilize register files coupled to a processor's memory system and execution units and process various data types that are mixed with single instruction multiple data (SIMD) instructions to improve processor performance. To reduce processor pipeline stalls waiting for dependency operands to be generated and written back to the register file, a method of read, merge, and write is used. An operand partitioned into two or more portions is read from a register file. A value from an execution unit is merged in place of one portion of the two or more portions of the operand to create a merged operand. The merged operand is operated on to generate a merged operand result, and the value is written to the register file. | 05-03-2012 |
| 20120110036 | MEDIA FILE CACHING FOR AN ELECTRONIC DEVICE TO CONSERVE RESOURCE - An electronic device for media file caching for conserving resources is described. The electronic device includes a processor and instructions stored in memory. The electronic device monitors requests for a media file, stores media file information and determines whether the media file should be stored locally based on the media file information. If it is determined that the media file should be stored, the electronic device saves the media file and presents the media file. | 05-03-2012 |
| 20120110025 | CODING ORDER-INDEPENDENT COLLECTIONS OF WORDS - In general, techniques are described for order-independent coding of a collection of words. An apparatus comprising a compression unit and an interface may implement the techniques. The compression unit constructs a digital search tree to store two or more words. A prefix of each of the words identifies a path from a root node to the node storing the corresponding word. A suffix of each of the words is stored in the node identified by the corresponding prefix. The compression unit traverses the digital search tree data structure, retrieving each of the suffixes in accordance with a defined order and encodes the suffixes. The compression unit encodes the digital search tree data structure in a manner that encodes an arrangement but not the placement of the nodes. The interface transmits the encoded digital search structure and the encoded suffixes in the defined order. | 05-03-2012 |
| 20120109993 | Performing Visual Search in a Network - In general, techniques are described for performing a visual search in a network. A client device comprising an interface, a feature extraction unit and a feature compression unit may implement various aspects of the techniques. The feature extraction unit extracts feature descriptors from an image. The feature compression unit quantizes the image feature descriptors at a first quantization level. The interface that transmits the first query data to the visual search device via the network. The feature compression unit determines second query data that augments the first query data such that when the first query data is updated with the second query data the updated first query data is representative of the image feature descriptors quantized at a second quantization level. The interface transmits the second query data to the visual search device via the network to successively refine the first query data. | 05-03-2012 |
| 20120109356 | Method and Digital Circuit for Recovering a Clock and Data from an Input Signal Using a Digital Frequency Detection - In a particular embodiment, a digital circuit includes a frequency detection circuit operative to compare information related to transitions between sequential samples of a received signal. The frequency detection circuit is further operative to generate a control signal to reduce a sampling rate of the received signal in response to a predetermined number of the sequential samples having a same value. The digital circuit also includes a digital phase detector operative to provide the information related to the transitions between sequential samples to the frequency detection circuit. | 05-03-2012 |
| 20120108282 | METHODS AND APPARATUS FOR POWER CONTROL AND INTERFERENCE MANAGEMENT IN WIRELESS MICROPHONE TRANSMISSION SYSTEMS - A wireless microphone receiver is used to control transmission power and/or channel configuration of wireless microphones which communicate audio data to the wireless microphone receiver. In some embodiments the wireless microphone receiver searches for available channels, e.g., on a periodic or other basis. Based on wireless microphone receiver loading and interference considerations, channel availability may be determined and channel assignments are made. In some embodiments channel assignments are made based on wireless microphone battery status. Channel assignments to wireless microphones are communicated via a control channel. In addition to channel assignments, wireless microphone transmitter power can be controlled by the wireless microphone receiver. Commands to increase or decrease transmission power may occur as channel conditions change and/or on a recurring periodic basis. The rate of power control transmission may be relatively infrequent, e.g., a second apart in some embodiments, given that wireless microphones tend to be relatively stationary during use. | 05-03-2012 |
| 20120108239 | METHOD AND APPARATUS FOR MEASURING CELLS IN THE PRESENCE OF INTERFERENCE - Methods and apparatuses are provided that include determining measurement values for base stations based on signal measurements obtained over resources protected from interference by neighboring cells. The protected resources can be determined based on at least one of detecting at least a bimodal disparity in signal measurements received over the resources, receiving an indication of the protected resources, determining the resources as used for transmitting paging signals, determining the resources from a previous resource assignment, and/or the like. Thus, where a device is measuring cells for idle-mode reselection, such measurement of protected resources can provide for a more accurate measurement of characteristics of signals received from the base station. | 05-03-2012 |
| 20120108224 | USING QUALITY OF SERVICE TO CONTROL HARDWARE FOR LOW BATTERY SCENARIOS - Certain embodiments of the present disclosure relate to methods for reducing power consumption of a mobile device while maintaining QoS of communication links. If the available battery power is below a predefined threshold, then several power-saving techniques may be triggered that increase an air time of the mobile device by shutting down one or more modem hardware components. | 05-03-2012 |
| 20120108213 | APPARATUS AND METHODS FOR COMMUNICATING AN OVER-THE-AIR ACTIONABLE MESSAGE - Provided are exemplary apparatus and methods for transmitting an over-the-air actionable message. In an example, a mobile device includes a detector to identify an over-the-air actionable messaging command that has a destination device identifier corresponding to a second mobile device. The mobile device also includes a message converter to convert the over-the-air messaging command into the actionable message, which has a destination corresponding to the destination device identifier of the second mobile device. Further, the mobile device has a transmitter to transmit the actionable message over-the-air to the second mobile device. | 05-03-2012 |
| 20120108198 | Method and Apparatus for Supporting Emergency Calls (eCalls) - Techniques for supporting eCalls are described. In an aspect, an eCall indicator may be used to indicate an eCall being established. In one design, a terminal may generate a message including an eCall indicator and may send the message to originate an eCall. The eCall indicator may indicate (i) whether or not a call is an eCall or (ii) whether an eCall is initiated automatically by the terminal or manually by a user. In another aspect, a terminal may avoid sending signaling for mobility management and connection management to wireless networks except for eCalls and designated calls. The terminal may avoid performing location updating, performing registration, responding to paging requests, etc. The terminal may exchange signaling with a wireless network for an eCall initiated by the terminal. After the eCall is initiated, the terminal may perform location updating with the wireless network and call establishment for the eCall. | 05-03-2012 |
| 20120108175 | MULTIPLE SIGNAL TRANSFORMATION IN WIRELESS RECEIVERS - A frontend receiver of a user equipment (UE) is configured with multiple transform operations assigned to separate sets of cells. One set of cells includes the serving cell of the UE and at least one additional cell within a first offset range of the serving cell. Another set or sets of cells include additional interferer cells within another offset range of the serving cell. After tracking the common frequency/timing offsets of each set of cells the assigned transform operation for that set transforms the time domain samples into frequency domain symbols. The individual frequency/timing offsets for each cell within the set are then tracked. | 05-03-2012 |
| 20120107966 | MAGNETIC TUNNEL JUNCTION DEVICE AND FABRICATION - A magnetic tunneling junction device and fabrication method is disclosed. In a particular embodiment, the method includes depositing a capping material on a free layer of a magnetic tunneling junction structure to form the capping layer and oxidizing a portion of the capping material to form a layer of oxidized material. | 05-03-2012 |
| 20120106847 | SYSTEMS AND METHODS TO IMPROVE FEATURE GENERATION IN OBJECT RECOGNITION - Present embodiments contemplate systems, apparatus, and methods to improve feature generation for object recognition. Particularly, present embodiments contemplate excluding and/or modifying portions of images corresponding to dispersed pixel distributions. By excluding and/or modifying these regions within the feature generation process, fewer unfavorable features are generated and computation resources may be more efficiently employed. | 05-03-2012 |
| 20120106754 | TRANSITIONING MULTIPLE MICROPHONES FROM A FIRST MODE TO A SECOND MODE - An apparatus includes multiple microphones and a controller. The controller is coupled to receive a signal from each of the multiple microphones. The controller is configured to control a transition of the multiple microphones from an active mode to a dormant mode. When the multiple microphones are in the active mode, the controller is configured to perform signal processing responsive to signals received from at least two of the multiple microphones. When the multiple microphones are in the dormant mode, the controller is configured to select a microphone of the multiple microphones and to perform signal processing corresponding to the selected microphone while suspending signal processing corresponding to unselected microphones. | 05-03-2012 |
| 20120106751 | METHODS AND APPARATUS FOR WIRELESS MICROPHONE SYNCHRONIZATION - Methods and apparatus related to timing synchronization used in a wireless microphone system to reduce and/or minimize interference are described. A wireless microphone receiver in some embodiments performs open loop timing control based on signals from an adjacent wireless microphone receiver and participates in closed loop timing control of wireless microphone transmitters which communicate with the particular wireless microphone receiver. The closed loop timing control includes instructing individual wireless microphone transmitters to advance or retard their symbol timing so that symbols transmitted by different wireless microphone transmitters are received in a synchronized manner at the wireless microphone receiver. The closed loop timing control allows a wireless microphone receiver to control wireless microphone transmitters to take into consideration their different distances to the receiver and the differing transmission times associated with the wireless microphone transmitters at different locations. | 05-03-2012 |
| 20120106649 | JOINT CODING OF SYNTAX ELEMENTS FOR VIDEO CODING - In one example, a video decoder is configured to determine whether a component of a transform unit of a coding unit of video data includes at least one non-zero coefficient based on a codeword for the transform unit, determine whether the transform unit is split into sub-transform units based on the codeword, and decode the transform unit based on the determinations. In another example, a video encoder is configured to determine whether a component of a transform unit of a coding unit of video data includes at least one non-zero coefficient, determine whether the transform unit is split into sub-transform units, select a codeword from a variable length code table, wherein the variable length code table provides an indication that the codeword corresponds to the determinations, and provide the codeword for the transform unit. | 05-03-2012 |
| 20120106595 | METHOD AND APPARATUS FOR OPTIMIZING POWER DISTRIBUTION BETWEEN SYMBOLS - A method, an apparatus, and a computer program product for wireless communication are provided in which a first pre-coding matrix for use on a portion of a set of resource blocks (RBs) is determined. At least one beamforming vector of the set of beamforming vectors is modified by applying a phase rotation to generate a modified pre-coding matrix. The modified pre-coding matrix is applied to one or more demodulation reference signals and data associated with the portion of the set of RBs for transmission using at least one antenna. | 05-03-2012 |
| 20120106476 | METHODS AND APPARATUS FOR DEFINING AND USING SEQUENCES FOR RESOURCE SETS FOR ENHANCED INTER-CELL INTERFERENCE COORDINATION - Aspects of the present disclosure may simplify the negotiation of resources by defining and/or using sequences for sets of resources for enhanced inter-cell interference coordination. According to aspects, a configuration of protected resources may have an ordering such that a pattern representing ‘k’ protected resources overlaps with a pattern representing ‘k+1’ protected resources. In an aspect, each pattern may comprise a bitmap with one or more bits set to a value to indicate the one or more protected subframes. In an aspect, a bitmap of a pattern corresponding to ‘k’ protected subframes differs from a bitmap of a pattern corresponding to ‘k+1’ protected subframes by a single bit value. According to aspects, an interfering evolved Node B may limit transmissions during protected subframes based on the selected pattern. | 05-03-2012 |
| 20120106445 | METHOD AND APPARATUS FOR ESTABLISHING AN INTERFACE BETWEEN ACCESS POINTS - Methods and apparatuses are provided that facilitate establishing an interface for communications between access points. Where access points operate in a same local or enterprise network, an interface can be established via the local or enterprise network instead of (or in addition to) a wireless operator network. A source access point can determine an address over which to request establishment of the interface based at least in part on an identifier of a target access point. In another example, target access point can determine an address to provide to the source access point for establishing the interface based at least in part on an identifier of the source access point. | 05-03-2012 |
| 20120106439 | CELL SITE MODEM APPLICATION MESSAGE INTERFACE - Certain aspects of the present disclosure relate to a technique for implementing a cell site modem application message interface (CSM API) for a cell site of Long Term Evolution (LTE) wireless system. | 05-03-2012 |
| 20120106414 | METHODS AND APPARATUS FOR ENCODING DATA IN A COMMUNICATION NETWORK - Methods and apparatus for encoding data in a communication network. In an aspect, a method is provided for coding data. The method includes generating one or more permutations of the data, determining weights associated with each permutation, calculating one or more code packets from each permutation based on the associated weights, and multiplexing the data and the one or more code packets into a code packet stream. In an aspect, an apparatus is provided for coding data. The apparatus includes permutation logic configured to generate one or more permutations of the data, and weight logic configured to determine weights associated with each permutation. The apparatus also includes processing logic configured to calculate one or more code packets from each permutation based on the associated weights, and a multiplexer configured to multiplex the data and the one or more code packets into a code packet stream. | 05-03-2012 |
| 20120106404 | FDD AND TDD CARRIER AGGREGATION - In a first configuration, a first BS communicates with a first UE through at least one CC. The first BS determines whether to aggregate the at least one CC with at least one additional CC for communication with the first UE based on an interference caused to a second BS and/or a second UE. The at least one additional CC is used by the second BS to communicate with the second UE. In a second configuration, an BS communicates with a first UE and a second UE through at least one CC. The BS determines whether to aggregate the at least one CC and at least one additional CC for communication with the second UE based on an interference caused to the first UE and/or a third UE. The at least one additional CC is used by the first UE to relay information between the third UE and the BS. | 05-03-2012 |
| 20120106374 | METHODS AND APPARATUSES FOR USING CHANNEL STATE INFORMATION REFERENCE SIGNALS - In a wireless communication system, a wireless device is identified as being a relay device. A channel state information reference signal (CSI-RS) configuration is selected such that at least one CSI-RS can be transmitted to the wireless device in a subset of subframes assigned to relay backhaul transmissions. | 05-03-2012 |
| 20120106373 | METHOD AND APPARATUS FOR SOUNDING ANTENNAS IN WIRELESS COMMUNICATION - Methods and apparatuses are provided that facilitate sounding antennas in wireless communication. In an aspect, a method for wireless communication includes determining at least one resource reserved for transmitting a demodulation reference signal and transmitting a sounding reference signal over the at least one resource. In another aspect, a method of wireless communication includes signaling a parameter related to sounding multiple antenna ports, receiving signals from a device over the multiple antenna ports, and estimating a channel related to the signals at least in part by removing a precoding from the signals. | 05-03-2012 |
| 20120106372 | METHOD AND APPARATUS FOR COMMUNICATION WITH SHORTENED SIGNAL FORMATS - Techniques for addressing high interference observed by a receiver in a wireless communication system are disclosed. The receiver may observe different interference power levels across a transmission symbol. In an aspect, the receiver applies different weights to different portions of the transmission symbol to account for fluctuation of interference power across the transmission symbol. In another aspect, a transmitter may send a transmission symbol such that a receiver can ignore a portion of a symbol period with high interference. In one design, the transmitter generates a transmission symbol including at least two copies of a signal component. The transmitter transmits at least one copy of the signal component in a portion of the symbol period in which the receiver does not observe high interference. The receiver processes the at least one copy of the signal component to recover data sent in the transmission symbol. | 05-03-2012 |
| 20120106371 | COLLISION DETECTION AND BACKOFF WINDOW ADAPTATION FOR MULTIUSER MIMO TRANSMISSION - Certain aspects of the present disclosure generally apply to a wireless local area network (WLAN) where an access point (AP) has data to send to multiple stations (STAs). By using the Downlink Spatial Division Multiple Access (DL-SDMA) technique, the AP may send data at the same time towards multiple STAs. Certain aspects of the present disclosure provide techniques and apparatuses for detecting that a multiuser multiple-input multiple-output (MU-MIMO) transmission has suffered a collision and to adapting a contention window (CW) size for a backoff counter applied to a subsequent MU-MIMO transmission. | 05-03-2012 |
| 20120106370 | NEIGHBOR RELATION INFORMATION MANAGEMENT - Neighbor relation information management involves, for example: acquiring, reporting, and exchanging neighbor relation information. In some cases, neighbor relation information is acquired and/or reported in a manner that does not significantly impact other functionality of the access terminal. For example, an access terminal may be configured to acquire and/or report neighbor relation information only during one or more defined radio states. In some cases, the acquisition of neighbor relation information is based on a neighbor relation threshold. In some cases, an access terminal does not immediately report measured neighbor relation information and instead stores the information for reporting at a later time. In some cases, a transmitted indication is used to facilitate retrieval of neighbor relation information from an access terminal. In some cases, neighbor relation information acquired from an access terminal is exchanged over a direct interface between access points. | 05-03-2012 |
| 20120106342 | SYSTEMS AND METHODS FOR COMMUNICATING IN A NETWORK - Systems and methods for prioritizing transmission control protocol (TCP) flows for communication devices in a network are described herein. The systems and methods herein may further allocate bandwidth to the flows based on the priority of the flows. Further, the systems and methods herein allow devices to determine whether particular flows share a traffic flow constraint or bottleneck that limits the overall available bandwidth to the flows. Therefore, allocation of bandwidth for one flow may be adjusted based on allocation of bandwidth to another flow if the flows share a traffic flow constraint. Further, the systems and methods herein allow for target data rates to be determined for the flows based on shared traffic flow constraints. | 05-03-2012 |
| 20120106327 | Exchanging Data Associated With A Communication Session Within A Communications System - In an embodiment, a communications device exchanges, between first and second access terminals, higher priority data in association with a communication session of a first type and also lower priority data in association with a communication session of a second type. If the communications device determines a transition of the first access terminal to a lower data-rate environment, the communication device reduces a size of data packets exchanged between the first access terminal and an application server for the communication session of the second type. If the communications device determines an upcoming data packet is a low-data packet (e.g., a silence packet), the low-data packet is suppressed. If the communications device determines that the first access terminal has attempted transmission of a set of last or near-last data packets in the sequence, the communications device re-transmits the set of last or near-last data packets without waiting for ACKs. | 05-03-2012 |
| 20120105675 | SYSTEMS, METHODS, AND APPARATUS FOR EXPOSURE CONTROL - Systems, methods and apparatus for image processing by classifying pixels are described. In some systems, an exposure control operation is performed according to the pixel classifications. In some cases, the pixels are classified according to a predetermined segmentation of a color space, based on predicted sensor responses. | 05-03-2012 |
| 20120105668 | REGION OF INTEREST EXTRACTION - An example image capture device determines a region of interest using a first image captured while a light source is powered off and a second image captured while a light source is powered on and uses the region of interest to automatically set configurations. In one example, an image capture device includes a controlled light source, an image sensor configured to capture images, and a processing unit configured to cause the image sensor to capture a first image of a scene while the controlled light source is powered off, cause the image sensor to capture a second image of the scene while the controlled light source is powered on, calculate luminance differences between a plurality of regions in the first image and a plurality of collocated regions in the second image, and determine that a region of interest includes those regions for which the luminance differences exceed a threshold. | 05-03-2012 |
| 20120105358 | FORCE SENSING TOUCH SCREEN - A computing device includes a touch screen display with a plurality of force sensors, each of which provides a signal in response to contact with the touch screen display. Using force signals from the plurality of force sensors, a characteristic of the contact is determined, such as the magnitude of the force, the centroid of force and the shear force. The characteristic of the contact is used to select a command which is processed to control the computing device. For example, the command may be related to manipulating data displayed on the touch screen display, e.g., by adjusting the scroll speed or the quantity of data selected in response to the magnitude of force, or related to an operation of an application on the computing device, such as selecting different focal ranges, producing an alarm, or adjusting the volume of a speaker in response to the magnitude of force. | 05-03-2012 |
| 20120105167 | PACKAGE INDUCTANCE COMPENSATING TUNABLE CAPACITOR CIRCUIT - An integrated circuit (IC) for compensating for a package inductance is disclosed. A first ground pad is directly connected to an on-chip ground node. A second IC ground pad is connected to the on-chip ground node via a tunable capacitor circuit, where the capacitance of the tunable capacitor circuit resonates with the package inductance at the operating frequency of the IC. | 05-03-2012 |
| 20120104997 | WIRELESS CHARGING DEVICE - Exemplary embodiments are directed to wirelessly charging a chargeable device. A device may include a receiver configured to receive a stored power status from an embeddable, chargeable device. The device may further include a transmitter configured to wirelessly transmit power to charge the embeddable, chargeable device based on the stored power status. | 05-03-2012 |
| 20120104867 | WIRELESS CHARGING OF DEVICES - Exemplary embodiments are directed to wireless power charging. A device may include at least one sensing element for measuring at least one parameter within a receiver configured to receive wirelessly transmitted power. The device may include a switching element configured to enable the receiver to convey energy to a load when the at least one parameter exceeds a threshold value. | 05-03-2012 |
| 20120102249 | Arbitrating Bus Transactions on a Communications Bus Based on Bus Device Health Information and Related Power Management - Devices, systems, methods, and computer-readable mediums for arbitrating bus transactions on a communications bus based on health information are disclosed. Health information of master devices can be used to adjust priorities of bus transactions from master devices to meet quality of service requirements of the master devices. In one embodiment, a bus interconnect is provided and configured to communicate bus transactions from any of a plurality of master devices to slave device(s) coupled the bus interconnect. The bus interconnect is further configured to map health information for each of the plurality of master devices into virtual priority space. The bus interconnect is further configured to translate the virtual priority space into a physical priority level for each of the plurality of master devices. The bus interconnect is further configured to arbitrate bus transactions for the plurality of master devices based on physical priority level for the plurality of master devices. | 04-26-2012 |
| 20120102200 | APPLICATION SPECIFIC RESOURCE MANAGEMENT - Present embodiments relate to resource management. More particularly, these embodiments relate to a system and method for adaptively monitoring a plurality of applications making use of a finite number of resources. The embodiments permit application developers to specify preferred operation guidelines without detailed knowledge of the requirements of the system designer or user. | 04-26-2012 |
| 20120102191 | USING PAUSE ON AN ELECTRONIC DEVICE TO MANAGE RESOURCES - An electronic device for using pause to manage resources is described. The electronic device includes a processor and instructions stored in memory. The electronic device monitors a pause duration and determines whether to perform a resource management operation based on the pause duration. The electronic device performs the resource management operation based on the pause duration. | 04-26-2012 |
| 20120102131 | Exchanging Data Associated With A Communication Session Within A Communications System - In an embodiment, objects are downloaded to an access terminal (AT) based on which window(s) are prominently displayed on the AT. In another embodiment, objects are downloaded to the AT based on a set of user-specified object download priorities. In another embodiment, a portion of a streaming data session to the AT is de-prioritized in response to a transition of a display of the AT from a first set of windows associated with the streaming data session to a second set of windows associated with a different session. For example, the de-prioritization can result in the portion (e.g., a video-portion of a audio and video conference) being omitted or reduced. In another embodiment, in response to the AT entering a limited environment, objects being downloaded to the AT can be dynamically altered to conform with the AT's limited environment. | 04-26-2012 |
| 20120102120 | METHODS AND APPARATUSES FOR AFFECTING PROGRAMMING OF CONTENT FOR TRANSMISSION OVER A MULTICAST NETWORK - Methods and apparatuses are provided that may be implemented in various electronic devices to identify at least one current interest topic associated with message content transmitted over a wireless communication network, and affect programming of at least a portion of content for transmission over a multicast network based, at least in part, on the current interest topic. | 04-26-2012 |
| 20120101826 | DECOMPOSITION OF MUSIC SIGNALS USING BASIS FUNCTIONS WITH TIME-EVOLUTION INFORMATION - Decomposition of a multi-source signal using a basis function inventory and a sparse recovery technique is disclosed. | 04-26-2012 |
| 20120100884 | NEIGHBOR RELATION INFORMATION MANAGEMENT - Neighbor relation information management involves, for example: acquiring, reporting, and exchanging neighbor relation information. In some cases, neighbor relation information is acquired and/or reported in a manner that does not significantly impact other functionality of the access terminal. For example, an access terminal may be configured to acquire and/or report neighbor relation information only during one or more defined radio states. In some cases, the acquisition of neighbor relation information is based on a neighbor relation threshold. In some cases, an access terminal does not immediately report measured neighbor relation information and instead stores the information for reporting at a later time. In some cases, a transmitted indication is used to facilitate retrieval of neighbor relation information from an access terminal. In some cases, neighbor relation information acquired from an access terminal is exchanged over a direct interface between access points. | 04-26-2012 |
| 20120100852 | METHOD AND APPARATUS FOR PERFORMING INTRA CLOSED SUBSCRIBER GROUP HANDOVER - Methods and apparatuses are provided that facilitate initiating an intra-closed subscriber group (CSG) handover. Access points in the same or similar CSG can make determinations regarding one or more devices without requiring information from the devices. An access point in a closed access mode can assume a device to which it communicates is a member of the CSG, and can provide such information to a target access point of the same CSG operating in a hybrid access mode, and the hybrid access mode access point can determine to allow member level access to the device. Similarly, where the target access point operates in a closed access mode, a source access point in the same CSG can determine whether to initiate handover of the device to the target access point based at least in part on CSG membership information for the device. | 04-26-2012 |
| 20120099732 | SYSTEMS, METHODS, APPARATUS, AND COMPUTER-READABLE MEDIA FOR FAR-FIELD MULTI-SOURCE TRACKING AND SEPARATION - An apparatus for multichannel signal processing separates signal components from different acoustic sources by initializing a separation filter bank with beams in the estimated source directions, adapting the separation filter bank under specified constraints, and normalizing an adapted solution based on a maximum response with respect to direction. Such an apparatus may be used to separate signal components from sources that are close to one another in the far field of the microphone array. | 04-26-2012 |
| 20120099669 | DIRTY PAPER CODING AND REFERENCE SIGNAL DESIGN - A method of wireless communication includes receiving a signal comprising an encoded downlink reference signal (DL-RS) modified by an effective channel. The encoded DL-RS is encoded based on crosstalk interference. The method further includes estimating the effective channel. | 04-26-2012 |
| 20120099646 | ADAPTIVE SCANNING OF TRANSFORM COEFFICIENTS FOR VIDEO CODING - In an example, an apparatus for decoding video data includes a video decoder that is configured to determine a number of transform coefficients associated with a block of video data, and to determine whether the number of transform coefficients exceeds a predetermined threshold. The video decoder is also configured to identify a scan order when the number of transform coefficients exceeds the predetermined threshold, wherein the scan order indicates an order in which the transform coefficients have been serialized from a two-dimensional array to a one-dimensional array, and to apply the scan order to inverse scan the number of transform coefficients associated with a block of video data. | 04-26-2012 |
| 20120099593 | UNIVERSAL FILE DELIVERY METHODS FOR PROVIDING UNEQUAL ERROR PROTECTION AND BUNDLED FILE DELIVERY SERVICES - Methods and apparatus for delivering data objects from an electronic device or system over a packet-switched network are provided, wherein source data is represented by encoded symbols in packets such that the source data is recoverable, at least approximately, from the encoded symbols, by arranging the source data into a plurality of source symbols, generating a plurality of encoding packets, wherein an encoding packet comprises a universal object symbol identifier (“UOSI”) and a plurality of encoding symbols representing source data for a packet structure identified by the UOSI, and sending the plurality of encoding packets to the packet-switched network. | 04-26-2012 |
| 20120099586 | SYSTEMS, METHODS, AND APPARATUS FOR MANAGING IP ADDRESSES AND NETWORK TRAFFIC IN WIRELESS NETWORKS - Systems, methods and apparatus described herein include features that enable efficient management of keep-alive messages utilized to maintain IP addresses and/or PDN connections associated with idle data traffic channels. An access terminal may consolidate keep-alive messages for idle data traffic channels, reducing the number of keep-alive messages transmitted. An access terminal may select which idle data traffic channels to maintain, and may transmit a consolidated keep-alive message for associated IP addresses and/or PDN connections. Timers may be associated with PDN connections and sub-timers may be associated with IP addresses associated with a PDN connection. Keep-alive messages can be consolidated based on the timers, sub-timers and/or combination of timers and sub-timers. In a complementary method, a PDN gateway or other network node cooperates with access terminals to reduce network traffic. In another complementary method, the PDN gateway or other network node synchronizes the timers and/or sub-timers provided with an access terminal. | 04-26-2012 |
| 20120099560 | METHOD AND APPARATUS FOR DETACHMENT FROM A WIRELESS COMMUNICATION NETWORK - Techniques are provided for efficient detachment from or attachment to wireless network(s). In one example, there is provided a method, operable by the user equipment (UE), that may involve connecting to a first wireless network (e.g., a 3GPP network) associated with a first access point name (APN), and connecting to a second wireless network (e.g., a WAN) associated with a second APN. The method may involve performing handover for the first APN from the first wireless network to the second wireless network. The method may involve performing detach for the first APN from the second wireless network. | 04-26-2012 |
| 20120099550 | ADDRESSING SCHEMES FOR WIRELESS COMMUNICATION - In an addressing scheme for wireless communication a communication channel may be defined based on a unique identifier associated with a destination node or a source node. In addition, a short identifier may be included in messages sent over the communication channel such that a node may uniquely identify the source node or destination node for the message. A node may use a short identifier as an index into a lookup table to determine one or more parameters to be used for communicating with another node. | 04-26-2012 |
| 20120099525 | COUNTER CHECK PROCEDURE FOR PACKET DATA TRANSMISSION - A counter synchronization process is described that is event driven rather than conducted on a periodic basis. A receiving device, which may be a user equipment (UE) or a base station, monitors received data packets to detect a rollover of a packet data sequence number in successive data packets. When the sequence number rollover is detected, the receiving device increments the variable data portion of the deciphering key stored in memory. Also in response to this detected rollover event, the receiving device transmits a synchronization message to the source device. | 04-26-2012 |
| 20120099489 | SYSTEMS, APPARATUS AND METHODS FOR FACILITATING FREQUENCY REUSE FOR DOWNLINK CONTROL CHANNELS - Systems and methods for frequency reuse on downlink control channels (DLCCs) are provided. One method can include determining a first number of symbols to support transmission of control information on a DLCC, and configuring a second number of symbols for transmission of the control information on the DLCC, wherein the second number of symbols is greater than the first number of symbols. The method can also include assigning a number of DLCCs based on the second number of symbols, and transmitting control information over an assigned number of DLCCs to achieve an effective reuse factor less than one. Another method can include identifying fractions of bandwidth in a system having cells, and allocating at least one of the cells to at least one of the fractions of bandwidth in a system. Resource element groups allocated to the fractions of bandwidth can be coordinated across cells to provide frequency reuse. | 04-26-2012 |
| 20120099450 | SPATIAL REUSE IN A WIRELESS NETWORK - A method, an apparatus, and a computer program product are provided. The apparatus determines a channel gain to a second wireless device with which the first wireless device is communicating. In addition, the apparatus determines interferer backoff information that ensures an interference level at the first wireless device such that a signal received from the second wireless device can be decoded reliably. The interferer backoff information is determined based on the channel gain. Furthermore, the apparatus transmits information based on the interferer backoff information in one of an RTS message or a CTS message to the second wireless device. | 04-26-2012 |
| 20120099446 | REPORTING OF CHANNEL QUALITY INDICATORS FOR A NON-LINEAR DETECTOR - Techniques for determining channel quality indicators (CQIs) for a non-linear detector at a user equipment (UE) are described. In one design, the UE may determine at least one parameter (e.g., at least one threshold) based on at least one constellation constrained capacity function. Each threshold may correspond to a maximum number of information bits for one stream when a particular modulation order is used for another stream. The UE may determine CQIs for multiple streams for the non-linear detector based on the at least one parameter. The UE may also select a precoding matrix (e.g., jointly with the CQIs) based on the at least one parameter. The UE may report the selected precoding matrix and the CQIs for the multiple streams. The UE may thereafter receive a transmission of the multiple streams, which may be transmitted based on the selected precoding matrix and the CQIs. | 04-26-2012 |
| 20120099435 | ESTIMATING SPARSE MIMO CHANNELS HAVING COMMON SUPPORT - According to a first aspect of the present invention there is provided a method of estimating, jointly, a set of multipath channels having a common path support, the method comprising the steps of, estimating jointly the common path support of the set of multipath channels using a spectral estimation technique, estimating path amplitudes, for each channel in the set of multipath channels, using the estimation of the common path support, to obtain an estimate of the set of multipath channels. | 04-26-2012 |
| 20120096223 | LOW-POWER AUDIO DECODING AND PLAYBACK USING CACHED IMAGES - A particular method includes loading one or more memory images into a multi-way cache. The memory images are associated with an audio decoder, and the multi-way cache is accessible to a processor. Each of the memory images is sized not to exceed a page size of the multi-way cache. | 04-19-2012 |
| 20120096202 | AUXILIARY WRITES OVER ADDRESS CHANNEL - A method for communicating via a bus including a first channel, a second channel, and a third channel is disclosed. The method includes addressing a slave device via the first channel, receiving from the slave device via the second channel, and writing to the slave device via the third channel. The method further includes selecting between first and second bus transmission modes. In the first bus transmission mode, payload write data is to be sent to the slave device via the first channel or the third channel. In the second bus transmission mode, during a first clock cycle, second payload write data associated with a second write operation is to be sent to the slave device via the first channel and first payload write data associated with a first write operation is to be concurrently sent to the slave device via the third channel. | 04-19-2012 |
| 20120096201 | Cooperative Writes over the Address Channel of a Bus - A method of communicating over a bus is disclosed. The bus includes a write address channel, a write channel, and a read address channel. The method includes sending an address from a sending device to a receiving device via the write address channel. The method further includes concurrently sending a portion of a payload to the receiving device via the write channel and another portion of the payload to the receiving device via the read address channel. When sending multiple sequential portions of the payload via the bus concurrently, the sending device is configured to give data ordering preference to the write channel over the read address channel by sending a first sequential portion of the multiple sequential portions via the write channel and sending a subsequent sequential portion of the multiple sequential portions via the read address channel. | 04-19-2012 |
| 20120095830 | METHOD AND SYSTEM FOR REAL-TIME AGGREGATION OF ELECTRIC VEHICLE INFORMATION FOR REAL-TIME AUCTIONING OF ANCILLARY SERVICES, AND REAL-TIME LOWEST COST MATCHING ELECTRIC VEHICLE ENERGY DEMAND TO CHARGING SERVICES - Ancillary service capability data is received in real time from participating electrical vehicles (EVs) connected through EV charging equipment to a power grid. Aggregate offers based on the ancillary service capability data from participating EVs are generated and matched with requests received from electrical power generating entities for ancillary service electrical power. Associated with the matches, ancillary power is transferred from batteries of one or more EV batteries to the power grid and, based on received transaction parameters, transaction payment is made. | 04-19-2012 |
| 20120094666 | UNIQUELY IDENTIFYING TARGET FEMTOCELL TO FACILITATE FEMTO-ASSISTED ACTIVE HAND-IN - Systems, methods, and devices are described for supporting macrocell-to-femtocell hand-ins of active macro communications for mobile devices. An out-of-band (OOB) link is used to detect that a mobile device is in proximity of a femtocell. Having detected the mobile device in proximity to the femtocell, an OOB proximity detection is communicated to a femtocell gateway disposed in a core network in communication with the macro network to effectively pre-register the mobile device with the femto-convergence system. When the femtocell gateway receives a handover request from the macro network implicating the pre-registered mobile device, it is able to reliably determine the appropriate target femtocell to use for the hand-in according to the pre-registration, even where identification of the appropriate target femtocell would otherwise be unreliable. Some embodiments may also handling registering the mobile device after a handover request has occurred, including tiered approaches. | 04-19-2012 |
| 20120094665 | FEMTOCELL INDICATION OF MOBILE DEVICE PROXIMITY AND TRANSMISSION OF MOBILE IDENTITY TO ASSIST IN RESOLVING FEMTOCELL DISAMBIGUATION - Methods, systems, and devices are described that may provide for femtocells to indicate the proximity of mobile user equipments and/or provide mobile identity to assist in resolving femtocell disambiguation. A femtocell may detect a user equipment in its proximity using an out-of-band link. The femtocell may transmit a proximity indication message to a macro network controller via a core network. The macro network may direct the user equipment to perform a variety of tasks, including directing the user equipment to do a handover to the femtocell. Some embodiments may utilize existing user equipment registrations and femto-to-macrocell outbound handover procedures to address problems such as femtocell ambiguity resolution and triggering frequency searches at a macro network when a current macrocell signal strength is good. These embodiments may utilize dummy identifiers to register the user equipment to facilitate addressing these problems. | 04-19-2012 |
| 20120094663 | PROXIMITY DETECTION FOR FEMTOCELLS USING OUT-OF-BAND LINKS - Systems, methods, devices, and computer program products are described for supporting macrocell-to-femtocell hand-ins of active macrocell communications for a mobile device. A mobile device may perform an out-of-band (OOB) search for the femtocell, the OOB search triggered by a proximity detection configuration command from the macrocell. The mobile device may wirelessly communicate with a located femtocell via an OOB link, and receive femtocell information from the femtocell via the OOB link. The mobile device may transmit the received femtocell information to the macrocell. The macrocell may generate instruction for a mobile device search based on the femtocell information. The macrocell may transmit such instructions to the mobile device for an in-band search for the femtocell. | 04-19-2012 |
| 20120094660 | METHOD AND APPARATUS FOR PROVIDING ENHANCED INTERFERENCE MANAGEMENT AT RESTRICTED ACCESS POINTS - Methods and apparatuses are provided that facilitate providing access point measurements to restricted access points. Restricted access points can lessen restrictions to allow devices to register with the restricted access point for providing measurements thereto. Additionally or alternatively, access point measurements can be provided to a minimization of drive tests (MDT) server for providing to the restricted access points. Thus, restricted access points can obtain the access point measurements for performing enhanced interference management or other functionality based at least in part on the measurements. | 04-19-2012 |
| 20120093269 | APPARATUS AND METHOD FOR TWO-STAGE LINEAR/NONLINEAR INTERFERENCE CANCELLATION - An apparatus and method for a two-stage linear/nonlinear interference cancellation comprising processing a receive signal to produce a first descrambled signal; and processing the first descrambled signal to produce a detected signal. In one aspect, a first interference canceller module is used for processing the received signal and a second interference canceller module is used for processing the first descrambled signal. In one aspect, the first interference canceller is a linear interference canceller (IC) and the second interference canceller is a linear/nonlinear interference canceller (IC). | 04-19-2012 |
| 20120093226 | ADAPTIVE MOTION VECTOR RESOLUTION SIGNALING FOR VIDEO CODING - A video encoder may be configured to adaptively select a sub-pixel precision for motion vectors used to encode video data. The video encoder may further entropy encode an indication of the sub-pixel precision using context adaptive binary arithmetic coding, where the context may correspond to the size of a block of video data for the motion vector. For example, the size may correspond to the depth of a coding unit, the size of a prediction unit of the coding unit, and/or a type for the prediction unit. The video encoder may also interpolate values for one-sixteenth pixel positions of chrominance data using bilinear interpolation. The video encoder may further encode a motion vector difference value for the motion vector using an encoding scheme corresponding to the sub-pixel precision of the motion vector. A video decoder may use similar, reciprocal techniques for decoding the video data. | 04-19-2012 |
| 20120093206 | RADIO DATA SYSTEM MONOPHONIC DEMODULATION - A method of switching between Coherent and Non-Coherent demodulation based on computed metrics, in cases where stereo FM broadcasting stations do not adhere to RDS broadcast specifications. Re-utilizes existing hardware to demodulate RDS data in mono. The residual frequency offset is resolved using a Non Coherent demodulator and a time tracking algorithm. RDS data relies on the 57 kHz sub-carrier that is generated using 19 kHz pilot tone. In Mono broadcasting pilot tone is not present. A local 57 kHz free running signal is generated, and this is then used to demodulate the RDS data in Non-Coherent mode. | 04-19-2012 |
| 20120093145 | SUPPORTING A MULTIMEDIA APPLICATION BASED ON NETWORK ZONE RECOGNITION - In an embodiment, a user equipment (UE) determines that a current serving network is associated with a network support zone of a given type, wherein network support zones of different types are characterized by different levels of support for a multimedia client application configured to manage server-arbitrated communication sessions at the UE. The UE loads zone-specific network procedures for supporting the multimedia client application within the network support zone of the given type, and then executes the zone-specific network procedures at the UE. In another embodiment, an application server determines that the current serving network of the UE is associated with the network support zone of the given type. The application server selects zone-specific network parameters and/or features based on the determination, and then interacts with the multimedia client application within the network support zone of the given type with the selected zone-specific network parameters and/or features. | 04-19-2012 |
| 20120093136 | METHODS AND APPARATUS FOR EFFICIENT PROVIDING OF SCHEDULING INFORMATION - Systems and methodologies are described that facilitate efficiently providing scheduling information from an access terminal to a base station to enable effectuating scheduling decisions. Access terminals may transmit scheduling information in bifurcated requests. For instance, coarse scheduling information may be transferred utilizing a dedicated out-of-band channel, and fine scheduling information may be transmitted over an in-band channel. | 04-19-2012 |
| 20120093096 | SEMI-PERSISTENT SCHEDULING GRANTS IN HETEROGENEOUS NETWORKS - Time division multiplexing (TDM) partitioning is one of the inter-cell interference coordination (ICIC) mechanisms considered for a heterogeneous network (HetNet) ICIC in a co-channel deployment. For example, in subframes that are pre-allocated to an evolved Node B (eNB), neighbor eNBs may not transmit, hence interference experienced by served user equipments (UEs) may be reduced. Semi-persistent scheduling (SPS) grants may have various available periodicities, which may not be compatible with TDM partitioning. Therefore, a UE may miss an SPS opportunity that was scheduled for a subframe that was not usable by the UE. Hence, using SPS grants with small periodicities in a heterogeneous network with TDM partitioning may require changes which may include adjusting the periodicities of the SPS grants, rescheduling of uplink SPS messages based on resource partitioning information (RPI), and/or determining RPI based on current SPS grants. | 04-19-2012 |
| 20120093095 | METHOD AND APPARATUS FOR SUPPORTING COMMUNICATIONS IN A HETEROGENEOUS NETWORK - A method, an apparatus, and a computer program product for wireless communication are provided in which an apparatus may determine broadcast channel scheduling information for one or more broadcasts of a payload by a broadcast channel associated with a first base station based on one or more broadcast channel interference coordination schemes, wherein reception of the broadcast channel associated with the first base station is interfered at least in part based on one or more transmissions from a second base station, and receive the payload based on the determined broadcast channel scheduling information. | 04-19-2012 |
| 20120093094 | ACKNOWLEDGEMENT BUNDLING IN A MIMO COMMUNICATION SYSTEM - A method of wireless communication comprises receiving a plurality of codewords and transmitting a downlink feedback message by spatially bundling acknowledgments for the received plurality of codewords. In some designs, an accompanying grant message is transmitted with the downlink feedback message. | 04-19-2012 |
| 20120093076 | DIMINISHING THE IMPACT OF TIMING DELAY IN DOWNLINK SIGNALS - When performing interference cancellation on selected information (e.g., synchronization signals, certain broadcast signals, etc.) through cross correlation, symbol periods of signals being combined will generally match up. Slight mismatches will generally produce negligible impact on interference cancellation. However, where the mismatch is severe due to significant timing offsets, serious performance degradation may occur, particularly when timing offsets are sufficiently large as to overlap data portions of a transmission. By selectively puncturing resource elements prior to the selected information and/or after the selected information, the selected information may be protected and allow for interference cancellation even in cases of large timing offsets. | 04-19-2012 |
| 20120093058 | MEHTOD AND APPARATUS FOR COMMUNICATION IN A SYSTEM EMPLOYING DIFFERING TRANSMISSION PROTOCOLS - A method and apparatus for communication in a system employing differing transmission protocols. It is determined whether a first time slot of one transmission protocol is adjacent to a second time slot of another transmission protocol, and if a first symbol within the first time slot is adjacent to a second symbol of the second time slot. A pilot power and/or a number of pilot sub-carriers or tones of the first symbol is increased and channel estimation is performed on the first symbol. | 04-19-2012 |
| 20120093010 | EVOLVED NODE B CHANNEL QUALITY INDICATOR (CQI) PROCESSING FOR HETEROGENEOUS NETWORKS - Methods and apparatus for processing channel quality information (CQI) and scheduling resources subject to cooperative resource allocation based on the CQI are provided. To convey the CQI for protected/unprotected subframes in a single report, a new vector CQI format may be utilized. Two alternatives for CQI processing this vector format and the advantages of each are described. In the first alternative, a single entry from the CQI vector is selected for processing by a downlink scheduler and/or other media access control (MAC) blocks (e.g., a PHICH, DCI power control, and/or PDCCH scheduler). In the second alternative, the selection from the CQI vector is made on a per-subframe basis, and both the subframe and the selected CQI element are processed by the downlink scheduler and/or the other MAC blocks. In this manner, better scheduling decisions may be made using the CQI vector. | 04-19-2012 |
| 20120093009 | METHOD AND APPARATUS TO FACILITATE SUPPORT FOR MULTI-RADIO COEXISTENCE - Interference between potentially conflicting radio access technologies (RATs) in a wireless device may be managed through a coexistence manager which allows communication using a first active RAT (e.g., Long Term Evolution (LTE)) and communication with a second active RAT (e.g., wireless local area network (WLAN)) when the first RAT is not scheduled for communicating during an uplink timeslot. Communications by a WLAN radio may be controlled using a power save mode. WLAN communications may be timed so that downlink signals (such as data or acknowledgement messages) to the WLAN radio are received during an inactive uplink subframe for an LTE radio. WLAN communications may also be timed so that downlink signals to the WLAN radio are received during downlink times scheduled for an LTE radio. | 04-19-2012 |
| 20120092366 | SYSTEMS AND METHODS FOR DYNAMIC PROCEDURAL TEXTURE GENERATION MANAGEMENT - Methods and apparatuses for scheduling and storing media creation are described. Methods and apparatuses for rendering a plurality of vector graphic objects on a display are also described. | 04-19-2012 |
| 20120092329 | TEXT-BASED 3D AUGMENTED REALITY - A particular method includes receiving image data from an image capture device and detecting text within the image data. In response to detecting the text, augmented image data is generated that includes at least one augmented reality feature associated with the text. | 04-19-2012 |
| 20120092171 | MOBILE DEVICE SLEEP MONITORING USING ENVIRONMENTAL SOUND - A sleep monitoring application is installed on a mobile device. The mobile device is placed in a location when a user sleeps and records environmental sound. The sleep monitoring application determines indicators of sleep activity such as breathing sounds made by the user, and determines a sleep state of the user based on the indicators of sleep activity. Sleep disorders can be detected from the indicators of sleep activity. The sleep monitoring application may generate a report that summarizes the user's sleep states and alerts the user to any sleep disorders. The sleep monitoring application can use the environmental sound and the determined sleep states to determine ambient sound that is associated with good sleep. Later, if the sleep application determines the user is having problems sleeping, the sleep monitoring application can play the determined ambient sound to help the user sleep. | 04-19-2012 |
| 20120092053 | ADAPTIVE CLOCK SWITCHING TO CAPTURE ASYNCHRONOUS DATA WITHIN A PHASE-TO-DIGITAL CONVERTER - A Phase-to-Digital Converter (PDC) within a Phase-Locked Loop (PLL) includes a PDC portion and a PDC decoder portion. The PDC portion receives a reference signal FR and a feedback signal FV and generates therefrom a stream of multi-bit digital values. Each multi-bit value is indicative of a time difference between an edge of FR and a corresponding edge of FV. The PDC decoder portion includes sequential logic elements that are clocked to capture the multi-bit digital values. In order to prevent metastability, the timing of when the sequential logic elements are clocked to capture the multi-bit digital values is adjusted as a function of the phase difference between FR and FV. In one specific example, if the phase difference is small then the falling edge of FR is used to clock the sequential logic elements, whereas if the phase difference is large then the rising edge of FR is used. | 04-19-2012 |
| 20120090883 | Method and Apparatus for Improving Substrate Warpage - A package substrate includes conductive layers and a dielectric interposed between the conductive layers. The dielectric includes a stiffening material component and a neat resin doped with a negative coefficient of thermal expansion (CTE) fiber. | 04-19-2012 |
| 20120089890 | FEC CODE AND CODE RATE SELECTION BASED ON PACKET SIZE - Techniques for encoding and decoding data are described. In an aspect, multiple code rates for a forward error correction (FEC) code may be supported, and a suitable code rate may be selected based on packet size. A transmitter may obtain at least one threshold to use for code rate selection, determine a packet size to use for data transmission, and select a code rate from among the multiple code rates based on the packet size and the at least one threshold. In another aspect, multiple FEC codes of different types (e.g., Turbo, LDPC, and convolutional codes) may be supported, and a suitable FEC code may be selected based on packet size. The transmitter may obtain at least one threshold to use for FEC code selection and may select an FEC code from among the multiple FEC codes based on the packet size and the at least one threshold. | 04-12-2012 |
| 20120089814 | Inter-Processor Protocol in a Multi-Processor System - In a multiprocessor system, a primary processor may store an executable image for a secondary processor. A communication protocol assists the transfer of an image header and data segment(s) of the executable image from the primary processor to the secondary processor. Messages between the primary processor and secondary processor indicate successful receipt of transferred data, termination of a transfer process, and acknowledgement of same. | 04-12-2012 |
| 20120089789 | Memory Controllers, Systems and Methods for Applying Page Management Policies Based on Stream Transaction Information - Memory controllers, systems, methods, and computer-readable mediums for applying a page management policy(ies) based on stream transaction information are disclosed. In one embodiment, a memory controller is provided and configured to receive memory access requests for stream transactions. The memory controller is configured to perform a memory access to a memory page(s) in memory included in the stream transaction. The controller is further configured to apply a page management policy(ies) to the memory page(s) in memory based on information related to the stream transactions. In this manner, the page management policy(ies) can be configured to utilize page open policies for efficiency that stream transactions may facilitate, but while also recognizing and taking into consideration in the page management policy latency issues that can arise when the memory controller is handling memory access requests from different devices. | 04-12-2012 |
| 20120089759 | Arbitrating Stream Transactions Based on Information Related to the Stream Transaction(s) - Devices, systems, methods, and computer-readable mediums for arbitrating stream transactions based on information related to the stream transactions are disclosed. A stream transaction is a superset of burst access types to facilitate efficient bulk transfers of data. In one embodiment, an arbiter is provided that arbitrates bus transactions between a plurality of devices coupled to a bus competing for resources accessible through the bus. To efficiently arbitrate stream transactions requested on the bus, the arbiter is configured to use information related to the stream transactions to provide a view of future bus traffic on the bus. The arbiter is configured to use this stream transaction information to apply bus arbitration policies for arbitrating stream transactions. In this example, the bus arbitration policy can be adjusted for stream transactions based on the stream transaction information, if necessary, for the arbiter to attempt to meet a parameter(s) for completing the stream transactions. | 04-12-2012 |
| 20120089682 | METHODS AND APPARATUS FOR SUPPORTING SHARING OF PRIVILEGES IN A PEER TO PEER SYSTEM - Various methods and apparatus relate to sharing QoS privileges between devices having a higher service level subscription and devices having lower service level subscription. QoS privileges are associated with a QoS service level which is in turn tied to devices, e.g., based on a service level subscription of the device. Devices with higher service level subscription are entitled to superior QoS privileges than the devices with lower service level subscription. In various embodiments a first device with higher QoS service level provides, to a second device having lower QoS service level, information used to obtain a QoS privilege to which the first device is entitled. Thus the second device entitled to lower QoS privileges is provided with the superior QoS privileges on a limited basis, e.g., for communicating with the first device corresponding to the higher QoS service level. | 04-12-2012 |
| 20120088518 | Support of multiple positioning protocols - A mobile terminal and network location server support multiple positioning protocols so that a first position measurement of the mobile terminal may be obtained using a positioning protocol defined for a first wireless network and a second position measurement of the mobile terminal may be obtained using a different positioning protocol defined for a different wireless network during the same location session. The first position measurement and the second position measurement can then be used together to determine a position of the mobile terminal. | 04-12-2012 |
| 20120088516 | HETEROGENEOUS NETWORK (HETNET) USER EQUIPMENT (UE) RADIO RESOURCE MANAGEMENT (RRM) MEASUREMENTS - Methods and apparatus for performing radio resource management (RRM) measurements in a heterogeneous network (HetNet) are provided in an effort to prevent failure of RRM measurement procedures in a dominant interference scenario. Several alternatives are provided for determining particular resources (e.g., subframes) to use for performing the RRM measurements, wherein the particular resources are based on cooperative resource partitioning between cells of the HetNet, wherein the cells may be of different types (e.g., macro, pico, or femto cells). These alternatives include, for example: (1) intra-frequency or intra-RAT (radio access technology) alternatives, which may involve transmitting resource partitioning information (RPI) in or deriving non-serving cell RPI based on the serving cell's RPI, as well as (2) inter-frequency or inter-RAT alternatives, where the RRM measurements may be performed during a measurement gap. | 04-12-2012 |
| 20120088450 | METHODS AND APPARATUS FOR SUPPORTING COMMUNICATION OVER DIFFERENT RANGES IN A WIRELESS NETWORK - Methods and apparatus well suited for supporting communications over different ranges in, for example, a peer to peer wireless communications system, are described. In the peer to peer network at least some of the types of signals, e.g., peer discovery signals and/or paging signals, are transmitted with no closed loop power control. An exemplary peer to peer timing structure includes air link resources allocated for a particular type of signaling in which the resources are segmented into multiple blocks which do not overlap in time, different ones of the multiple blocks being associated with different ranges. The characteristics of the basic transmission units of the multiple blocks based on range are different, e.g., tone size and symbol width are different. A wireless communications device implements the peer to peer timing structure and uses resources from different range based blocks at different times. Data traffic transmission units may be the same regardless of the range. | 04-12-2012 |
| 20120087415 | CONTEXT-BASED ADAPTATIONS OF VIDEO DECODER - A receive device receives video data in the form of an encoded video bit stream. A video decoder of the receive device identifies a portion of the video data corresponding to a first scene and determines a complexity for this first scene and also determines a quality of service for the receive device. If the complexity of the first portion of video data is greater than a complexity threshold value or the quality of service is less than a quality of service threshold value, then the video decoder uses a hardware accelerator to decode the portion of video data. If, however, the complexity of the portion of video data is less than the complexity threshold value and the quality of service is greater than the quality of service threshold value, then the video decoder may use software decoding to decode the portion of video data. | 04-12-2012 |
| 20120087401 | METHOD AND APPARATUS OF USING CDD LIKE SCHEMES WITH UE-RS BASED OPEN LOOP BEAMFORMING - A method and apparatus of wireless communication are disclosed. The wireless communication performs pilot signal transmissions using a first precoding matrix for user equipment specific pilot signals, the pilot signal transmissions having a first transmission rank. The wireless communication also performs data transmissions using a second precoding matrix for data when the data transmissions have a second transmission rank less than the first transmission rank, in which the second precoding matrix includes a transformed version of the first precoding matrix. Alternatively, the wireless communication can perform data transmissions using at least two precoding matrices for data when the data transmissions have a second transmission rank less than or equal to the first transmission rank. Accordingly, the precoding matrix used for data is a transformed version of the precoding matrix used for user equipment specific pilot signals. | 04-12-2012 |
| 20120087356 | TUNNELED DIRECT LINK SETUP THROUGH A TUNNEL - One feature provides for a first station initiating a Tunnel Direct Link Setup (TDLS) link with a peer station within a network, by establishing a tunnel with the peer station, and establishing the TDLS link with the second station through the tunnel. The TDLS link may be implemented within the same layer of a protocol stack as the tunnel. Moreover, the network may comprise at least one access point that serves as an intermediary for transmissions between the first station and the peer station. Although the access point may be adapted to block Ethernet encapsulated TDLS frame transmissions having a TDLS Ethertype between the first station and the peer station, the first and peer stations are able to establish a TDLS link by transmitting and receiving TDLS Setup information through the tunnel by encapsulating the TDLS Setup information with, for example, PPP, PPTP, and/or L2TP tunnel schemes. | 04-12-2012 |
| 20120087355 | METHODS AND DEVICES TO IMPLEMENT A REDUCED CONTENTION PERIOD TO FACILITATE CHANNEL ACCESS FOR ACCESS TERMINALS OPERATING IN A WIRELESS COMMUNICATION ENVIRONMENT - Methods and apparatuses are provided for implementing a reduced contention period to facilitate channel access for access terminals. An access point may send a frame to a plurality of access terminals specifying a time period during which at least some of the access terminals are to stop transmitting on a shared transmission channel. The access terminals may receive the transmission and may stop transmitting on the shared transmission channel for the specified time period. | 04-12-2012 |
