36th week of 2011 patent applcation highlights part 25 |
Patent application number | Title | Published |
20110216613 | LOW POWER TERMINATION FOR MEMORY MODULES - An apparatus is provided that includes a memory controller to provide a first on-die termination (ODT) signal and a second ODT signal, a memory channel, a first memory module to couple to the memory channel, and a second memory module to couple to the memory channel. The first memory module may include a first memory having a first ODT circuit to receive the first ODT signal, and a second memory having a second ODT circuit to receive the first ODT signal. The first ODT signal may disable the ODT circuit of the first memory when the first memory is to be ACTIVE. | 2011-09-08 |
20110216614 | SEMICONDUCTOR DEVICE ENABLING REFRESHING OF REDUNDANT MEMORY CELL INSTEAD OF DEFECTIVE MEMORY CELL - A semiconductor device includes memory blocks MB | 2011-09-08 |
20110216615 | SEMICONDUCTOR MEMORY DEVICE HIGHLY INTEGRATED IN DIRECTION OF COLUMNS - First and second read word lines are provided in each set made of two adjacent rows. First, second, third, and fourth read bit lines are provided in each column. Each of the first and second read word lines is connected to memory cells in a corresponding one of the sets. Each of the first and third read bit lines is connected to a memory cell in one row in each of the sets, out of memory cells in a corresponding one of the columns. Each of the second and fourth read bit lines is connected to a memory cell in the other row in each of the sets, out of the memory cells in the corresponding one of the columns. | 2011-09-08 |
20110216616 | SEMICONDUCTOR MEMORY DEVICE - A semiconductor memory device includes a first and second memory cell array region, a first and second sense amplifier region interposed between the first and second memory cell array regions, a first column selection region interposed between the first sense amplifier region and the first memory cell array region and including a first column selection transistor connected between a first bit line and a first local data input/output (I/O) line, and a second column selection region interposed between the second sense amplifier region and the second memory cell array region and including a second column selection transistor connected between a second bit line and a second local data I/O line. A load of the second bit line is larger than a load of the first bit line and a threshold voltage of the first column selection transistor is higher than a threshold voltage of the second column selection transistor. | 2011-09-08 |
20110216617 | TECHNIQUES FOR SENSING A SEMICONDUCTOR MEMORY DEVICE - Techniques for sensing a semiconductor memory device are disclosed. In one particular exemplary embodiment, the technique(s) may be realized as a semiconductor memory device comprising a plurality of memory cells arranged in an array of rows and columns and data sense amplifier circuitry coupled to at least one of the plurality of memory cells. The data sense amplifier circuitry may comprise first amplifier circuitry and resistive circuitry, wherein the first amplifier circuitry and the resistive circuitry may form a feedback loop. | 2011-09-08 |
20110216618 | VOLTAGE COMPENSATED TRACKING CIRCUIT IN SRAM - Supply voltage compensated tracking circuit in a split-rail static random access memory (SRAM). The circuit includes a tracking circuit for tracking a delay required for generating sense amplifier enable (SE) signal in a memory. The tracking circuit receives an array supply voltage (VDDAR) and a periphery supply voltage (VDDPR). Further, the circuit includes a discharge control circuit, operatively coupled to the tracking circuit, for increasing delay in activating a first transistor of the tracking circuit when VDDAR is higher than VDDPR; and a contention circuit including an output coupled to the first transistor, for delaying a discharge path activation through the first transistor when VDDAR is lower than the VDDPR. | 2011-09-08 |
20110216619 | MEMORY POWER MANAGEMENT SYSTEMS AND METHODS - Memory power management systems and methods are provided. One embodiment of the present invention includes a memory power management system. The system comprises a first low dropout (LDO) regulator that provides an active operating voltage that is derived from a first supply voltage to power a memory array during an active mode. The system further comprises a second LDO regulator that provides a minimum memory retention voltage that is derived from a second supply voltage to power the memory array in a standby mode, wherein the second supply voltage also powers at least one peripheral circuit for reading from and/or writing to the memory array. | 2011-09-08 |
20110216620 | DECODER CIRCUIT - A normally operable decoder circuit is obtained without entailing a delay in decoding operation, an increase in circuit area, and an increase in circuit design cost. An NMOS transistor in a high-voltage circuit portion is inserted between the output of a NAND gate and a node, and receives an input signal at the gate electrode thereof. A load current generating portion in the high-voltage circuit portion includes PMOS transistors coupled in series between a high power supply voltage and the node. One of the PMOS transistor receives a control signal at the gate electrode thereof. The other PMOS transistor receives a control signal at the gate electrode thereof. An inverter receives a signal obtained from the node as an input signal, and outputs the inverted signal thereof as an output signal. | 2011-09-08 |
20110216621 | Synchronous Command-Based Write Recovery Time Auto Precharge Control - Methods of operating a memory device and memory devices are provided. For example, a method of operating a memory array is provided that includes a synchronous path and an asynchronous path. A Write-with-Autoprecharge signal is provided to the synchronous path, and various bank address signals are provided to the asynchronous path. In another embodiment, the initiation of the bank address signals may be provided asynchronously to the assertion of the Write-with-Autoprecharge signal. | 2011-09-08 |
20110216622 | LIPOSOMAL APPARATUS AND MANUFACTURING METHOD - The present invention provides apparatus and processes for producing liposomes. By providing a buffer solution in a first reservoir, and a lipid solution in a second reservoir, continuously diluting the lipid solution with the buffer solution in a mixing chamber produces a liposome. The lipid solution preferably comprises an organic solvent, such as a lower alkanol. | 2011-09-08 |
20110216623 | Agitator release for a food mixer - A machine ( | 2011-09-08 |
20110216624 | Agitator release for a food mixer - A machine ( | 2011-09-08 |
20110216625 | System for Seismic Exploration A Submerged Subsurface Including Implanted Bases - A system for seismic exploration of a submerged sub-surface comprises a plurality of bases ( | 2011-09-08 |
20110216626 | DIGITAL HYDROPHONE - A digital underwater acoustic sensor system is disclosed. The system can include an acoustic sensor configured to detect an underwater acoustic signal and form an analog signal proportional to the underwater acoustic signal. The acoustic sensor can include an interior cavity. A digital communication module can be positioned within the interior cavity. The digital communication module comprises an amplifier configured to amplify the analog signal. An analog to digital converter is configured to convert the analog signal to a digital signal. A digital signal transmission module is configured to communicate the digital signal to a receiver. | 2011-09-08 |
20110216627 | SYSTEMS AND METHODS FOR TIMING DOSAGE PERIODS - Systems and methods for tracking dosage periods are disclosed. The systems and methods may include setting a timer ( | 2011-09-08 |
20110216628 | MAINTAINING DATE AND TIME WITH TIME ZONE RULE CHANGES - A method and system for maintaining date and time information correctly across rule changes for time zones is provided. A time maintenance system provides rules for converting dates and times between various time zones and a common time zone. When the time maintenance system receives a date and time in a designated time zone, it converts the date and time to a date and time in the common time zone based on a provided rule. The time maintenance system then stores the converted date and time along with an identification of the rule used to convert the date and time to the common time zone. The time maintenance system may then receive an indication of an overriding rule that overrides an existing rule for converting a date and time between the designated time zone and the current time zone. The time maintenance system then updates the stored date and time when the rule has been overridden in such a way as to indicate that the original date and time is no longer correct and to indicate the new rule. | 2011-09-08 |
20110216629 | TIMEPIECE INCLUDING A HIGH FREQUENCY MECHANICAL MOVEMENT - The invention relates to a timepiece ( | 2011-09-08 |
20110216630 | Electronic timepiece - An electronic timepiece can reduce a burden imposed on a user who performs a manipulation for correcting the positional displacement of a pointer when a position of the pointer is displaced due to the demonstration of the pointer movement. The electronic timepiece includes: a pointer which is rotated in a first direction based on a manipulation signal corresponding to a manipulation from the outside; and a control part which performs the demonstration of the pointer movement in which the pointer is rotated in a second direction opposite to the first direction and the first direction, wherein the pointer is positioned at a position where a rotational angle in the first direction from a preset reference position is smaller than a rotational angle in a second direction from the reference position. | 2011-09-08 |
20110216631 | WINDING AND TIME-SETTING CONTROL DEVICE FOR A TIMEPIECE MOVEMENT - The invention concerns a winding and time-setting control device ( | 2011-09-08 |
20110216632 | SEQUENTIAL CONTROL DEVICE FOR A STRIKING MECHANISM - The invention concerns a mechanical device ( | 2011-09-08 |
20110216633 | TORQUE MEASURING DEVICE FOR STOPPING A STRIKING WORK - The invention concerns a torque measuring device ( | 2011-09-08 |
20110216634 | HEAT-ASSISTED MAGNETIC RECORDING HEAD INCLUDING PLASMON GENERATOR - A plasmon generator has a near-field light generating part located in a medium facing surface. The plasmon generator has an outer surface including a plasmon exciting surface and a plasmon propagating surface that face toward opposite directions. The plasmon exciting surface is substantially in contact with an evanescent light generating surface of a waveguide's core. The plasmon propagating surface is in contact with a dielectric layer that has a refractive index lower than that of the core. The plasmon exciting surface includes a first width changing portion. The plasmon propagating surface includes a second width changing portion. Each of the first and second width changing portions has a width that decreases with decreasing distance to the medium facing surface, the width being in a direction parallel to the medium facing surface and the evanescent light generating surface. | 2011-09-08 |
20110216635 | HEAD FOR THERMAL ASSISTED MAGNETIC RECORDING DEVICE, AND THERMAL ASSISTED MAGNETIC RECORDING DEVICE - In a head for thermal assisted magnetic recording device, a semiconductor laser is mounted so that the total height of the head does not become larger and light power fluctuation due to wavelength fluctuation occurs less frequently. In addition, the rise in temperature of the mounted semiconductor laser is suppressed. A semiconductor laser is placed on a side surface which is different from surfaces on an inflow end side and a trailing side, of four side surfaces of a floating slider. An entrance of a waveguide is placed on the side surface of the floating slider, to thereby cause emitted light from the semiconductor laser to directly enter the waveguide. A curved line part or a reflective mirror is formed in the middle of the waveguide so that the light which has entered the waveguide travels toward an optical near-field generating element. | 2011-09-08 |
20110216636 | METHOD OF AND APPARATUS FOR RECORDING DATA ON WRITE-ONCE DISC AND WRITE-ONCE DISC THEREFOR - A method of recording, and an apparatus for recording, data on a write-once disc, and the write-once disc used with the method and the apparatus. The write-once disc includes a plurality of update areas in which to record a predetermined type of updated information, at least one main access information area (AIA) in which to record main access information (AI), the main AI indicating a final update area in which finally updated information is recorded, among the plurality of update areas, and at least one sub AIA in which to record sub AI, the sub AI indicating a location of the finally updated information recorded in the final update area. | 2011-09-08 |
20110216637 | METHOD OF, AND APPARATUS FOR, RECORDING ADDRESS INFORMATION TO DISC MEDIUM | 2011-09-08 |
20110216638 | OPTICAL DISC DEVICE AND TRACKING SERVO CONTROL CIRCUIT THEREFOR - In an optical disc device, a way of canceling a lens shift due to an electric offset of an output of a tracking actuator driving circuit is desired. A tracking servo control circuit contains a first operation mode for setting an output current of the tracking actuator driving circuit to generally zero and a second operation mode for supplying a predetermined potential to the input. An average potential of a push-pull signal detected in the first operation mode is acquired. An object lens is moved by a predetermined amount in both radial directions by changing a potential supplied in the second mode to acquire correlative relationship between average potential of a push-pull signal relative to a lens movement amount and the supplied potential. An offset amount is acquired from the potential and the correlative relationship to cancel the offset. | 2011-09-08 |
20110216639 | DETECTOR AND DETECTION METHOD - The present disclosure improves tracking characteristics of an envelope detected from an input signal to the input signal. A detector, which obtains an output signal from an input signal containing a target signal, and outputs the output signal, includes: a comparator configured to compare the input signal to the output signal, and output an obtained comparison result; and an envelope generator configured to weight a first value and a second value having a sign opposite to that of the first value in accordance with the comparison result, integrate the weighted first value and the weighted second value, and output an integral value as the output signal. The envelope generator includes a first gain generator configured to output the first value in accordance with an amplitude of the input signal. | 2011-09-08 |
20110216640 | UNIVERSAL MULTIMEDIA DISTRIBUTION, STORAGE, AND PLAYBACK SYSTEMS, AND METHODS - Universal multimedia distribution, storage, and playback systems, devices, and methods are disclosed herein. A media distribution kiosk located at a retail establishment provides a user with access to a multitude of different forms of digital multimedia that may be purchased and downloaded onto a portable media transporter device. The kiosk includes a non-volatile storage means capable of HTTP communications, allowing multiple kiosks to share and balance storage resources within a storage cloud. Metadata tagging of stored digital media provides object-based storage, allowing efficient search and retrieval of digital media. A media player and a portable media transporter device are capable of directly accessing the kiosk cloud storage to access the media stored thereon. Information from social networking utilities may be incorporated into the stored digital media metadata to influence ratings and performance metrics. | 2011-09-08 |
20110216641 | OPTICAL PICK-UP - In an optical pick-up used in common with DVD/CD and BD, when the thickness is intended to be reduced by mounting a total reflection mirror, a cavity for passing through a laser light is necessary and, since this decreases the degree of freedom for arranging tracking coils and magnets and secondary resonance caused by a magnetic thrust in the tracking direction tends to be generated, an improvement therefor is necessary. In a lens coil holder of the optical pick-up having an objective lens and tracking coil mounted thereon each of the coils is arranged such that the thrust relative to the vertical center of the suspension wires that support the lens coil holder is well balanced. For example, most of the portion of the tracking coils is situated at one height relative to the suspension wire and the tilt coil is situated at the other remaining height. | 2011-09-08 |
20110216642 | DOUBLE ELECTRODE CANTILEVER ACTUATION FOR SEEK-SCAN-PROBE DATA ACCESS - A seek-scan-probe memory device, utilizing a media electrode to allow active cantilevers to contact the storage media, and a pull electrode to pull up cantilevers away from the storage media when in an inactive mode. Other embodiments are described and claimed. | 2011-09-08 |
20110216643 | RECORDING LAYER FOR OPTICAL INFORMATION RECORDING MEDIUM, OPTICAL INFORMATION RECORDING MEDIUM, AND SPUTTERING TARGET - A recording layer for an optical information recording medium, which has a high reflectance (initial reflectance) and excellent recording characteristics; an optical information recording medium comprising the recording layer; and a sputtering target useful for forming the recording layer. The recording layer for an optical information recording medium, on which recording is performed by irradiation of laser light, is characterized by containing indium (In) oxide and palladium (Pd) oxide which includes palladium monoxide and palladium dioxide. The recording layer for an optical information recording medium is also characterized in that the ratio of Pd atoms contained in the recording layer relative to the total of In atoms and Pd atoms contained therein is 6-60 atom %. | 2011-09-08 |
20110216644 | RECEIVING APPARATUS AND METHOD - A receiving apparatus includes a first transform unit configured to perform orthogonal transform on a time-domain input signal and perform saturation when an overflow occurs to transform the input signal into a plurality of frequency-domain signals, a second transform unit configured to perform orthogonal transform on the time-domain input signal while restricting the number of bits during orthogonal transform and continue operations while not performing saturation when at least one of the operations overflows and leaving the operation overflowing to transform the input signal into a plurality of frequency-domain signals, and a bit restricting control unit configured to control the number of bits during orthogonal transform by the second transform unit based on output signals of the first transform unit. | 2011-09-08 |
20110216645 | CIRCUIT SWITCHED FALLBACK PROCEDURE - A CS fallback procedure handles conflict that may arise when handover operations occur during CS fallback. If CS fallback is initiated for an access terminal and handover of that access terminal is then initiated before the CS fallback completes, the target for the handover is informed of the CS fallback so that the target may perform the appropriate CS fallback operations. | 2011-09-08 |
20110216646 | RESIDENTIAL GATEWAY FOR PROVIDING BACKUP INTERFACE TO EXTERNAL NETWORK - The invention relates to a residential gateway for providing an end user of a network terminal in a residential network with access to an external network, said residential gateway comprising at least one network terminal interface arranged to provide an internal connection to said network terminal and an external network interface arranged to provide a first external connection to said external network. The residential gateway is characterized in that it comprises a secondary external network interface arranged to establish a second external connection with a mobile radio communications network in order to provide a backup access path to said external network, and a control unit arranged to activate said secondary external network interface, if not already activated, in response to detecting a loss of network connectivity over said first external connection, and forward data traffic between said residential network and said external network through said activated secondary external network interface. The invention also relates to a method for use in a residential gateway and a computer programme product. | 2011-09-08 |
20110216647 | TELEPHONE SYSTEM, GATEWAY FOR TELEPHONE SYSTEM, AND REDUNDANCY SWITCHING METHOD - According to one embodiment of the invention, there is provided a telephone system comprises gateways used to convert each other's protocols of IP network and PSTN. One of the gateways selectively serves as a main gateway, and the other gateways serve as slave gateways controlled by main gateway. Each of gateways includes a control channel manager, an operation controller and a determination module. Control channel manager of the main gateway controls speech data individually sent and received by gateways, based on a control signal of a control channel of PSTN. Operation controller controls redundancy switching between the plurality of gateways upon occurrence of a fault. Determination module determines whether the fault is associated with control channel. When the fault is associated with control channel, determination module notifies a slave gateway of message used to activate control channel manager of the slave gateway via IP network. | 2011-09-08 |
20110216648 | CONGESTION CONTROL FOR DELAY SENSITIVE APPLICATIONS - In various embodiments, methods and systems are disclosed for a hybrid rate plus window based congestion protocol that controls the rate of packet transmission into the network and provides low queuing delay, practically zero packet loss, fair allocation of network resources amongst multiple flows, and full link utilization. In one embodiment, a congestion window may be used to control the maximum number of outstanding bits, a transmission rate may be used to control the rate of packets entering the network (packet pacing), a queuing delay based rate update may be used to control queuing delay within tolerated bounds and minimize packet loss, and aggressive ramp-up/graceful back-off may be used to fully utilize the link capacity and additive-increase, multiplicative-decrease (AIMD) rate control may be used to provide fairness amongst multiple flows. | 2011-09-08 |
20110216649 | RADIO COMMUNICATION SYSTEM, RADIO COMMUNICATION METHOD, GATEWAY APPARATUS, AND RADIO STATION - A radio communication system includes a gateway apparatus and a plurality of radio stations performing radio communication. The gateway apparatus includes, a generation unit that generates allocation information on one or more individual channels each allocated individually to one of a plurality of radio stations; and a transmission unit that transmits the generated allocation information, and the plurality of radio stations each of which comprising, a receiving unit that receives the allocation information; and a data transmission unit that performs data transmission through the one or more individual channels when information indicating an own station is included in the received allocation information, and performs data transmission by random access through a channel other than the one or more individual channels in a radio frame when information indicating the own station is not included in the received allocation information. | 2011-09-08 |
20110216650 | Dynamic Adjustment of Receive Window Utilized by a Transmitting Device - A method of controlling size of a receive window includes, at a transmitting device, transmitting packets over a communication channel from the transmitting device to a receiver, receiving acknowledgment packets from the receiver corresponding to the transmitted packets, determining a backlog parameter for the receiver in accordance with a parameter value in the received acknowledgment packets, resetting the size of the receive window in accordance with a function of a current size of the receive window and the backlog parameter, and after the resetting, transmitting packets over the communication channel from the transmitting devices to the receiver in accordance with the reset size of the receive window. | 2011-09-08 |
20110216651 | Selectively Disabling Reliability Mechanisms on a Network Connection - Computerized methods, systems, and computer-storage media for establishing and managing a transmission control protocol (TCP)-based tunnel (“tunnel”) are provided. The tunnel spans between a data center and a private enterprise network and connects endpoints, of a service application, that reside in each location. During communication, the endpoints transmit data packets over one or more channels (e.g., higher-level channel and lower-level channel) that comprise the tunnel. Each of the channels supports reliability mechanisms (e.g., congestion-control mechanism and loss-recovery mechanism) integrally running thereon, for ensuring complete data-packet delivery. To prevent unwarranted performance degradation caused by duplicative efforts of reliability mechanisms, a fabric controller is employed to selectively disable one or more of the reliability mechanisms individually. The selective disablement of the reliability mechanisms is invoked by predefined criteria, such as instructions from a service model or detected identity of a source/destination endpoint, and is invoked on a per network connection basis. | 2011-09-08 |
20110216652 | METHOD AND APPARATUS FOR MANAGING FLOW INFORMATION IN A COMMUNICATION SYSTEM - A method for managing flow information of a mobile station by a target base station in a communication system is provided. The method includes receiving a ranging request message, which includes a flow identifier for each of flows between a serving base station and the mobile station and a change count indicating the number of times of an addition/change/deletion operation of a corresponding flow for each of flow identifiers, from the mobile station; and transmitting a ranging response message, which includes a validity indicator indicating whether the change count of each of the flow identifiers is valid or not, to the mobile station, wherein, when the validity indicator indicates that at least one change count among change counts for each of the flow identifiers is not valid, the ranging response message includes a list including the at least one change count that is not valid. | 2011-09-08 |
20110216653 | METHOD AND APPARATUS FOR USING LAYER 4 INFORMATION IN A LAYER 2 SWITCH IN ORDER TO SUPPORT END-TO-END (LAYER 4) FLOW CONTROL IN A COMMUNICATIO NETWORK - Apparatus configured to receive a first end-to-end flow control representation for at least one logical connection from a first further apparatus to a second further apparatus, update at least one end-to-end credit value for the at least one logical connection from the first further apparatus to the second further apparatus dependent on the first end-to-end flow control representation, select at least one logical connection to the second further apparatus dependent on the end-to-end credit value, generate a second end-to-end flow control representation for the at least one logical connection to the second further apparatus, and transmit the second end-to-end flow control representation addressed to the second further apparatus. | 2011-09-08 |
20110216654 | Scheme for randomized selection of equal cost links during restoration - The present invention relates generally to restoration of services in a network. More particularly, the invention encompasses a scheme for randomized selection of equal cost links during restoration in a communication network. The invention further includes multiple schemes for restoring services. The network could consist of optical, ATM, FR, or IP/MPLS switches and cross-connects. | 2011-09-08 |
20110216655 | A SYSTEM AND METHOD FOR USING AD HOC NETWORKS IN COOPERATION WITH SERVICE PROVIDER NETWORKS - Systems and methods for using ad hoc networks in cooperation with service provider networks. Multi-network devices communicate with each other as peers in an ad hoc network while each accessing a service provider network. The multi-network devices may each receive the same real-time multimedia stream, be it broadcast or unicast, while sharing stream parity information. The peers may take corrective action to maintain uninterrupted playback of the real-time multimedia stream with no or minimal loss in perceived quality. The peers may further cooperate to facilitate bandwidth and power optimization, fast channel switching, and real-time mobile traffic and network analysis, displays and alerts. | 2011-09-08 |
20110216656 | Routing Packets on a Network Using Directed Graphs - A method of routing a data packet between a first node and a second node on a communication network includes defining a first graph through the first node and the second node and zero or more intermediate nodes, associating several nodes which belong to the communication network with the first graph, associating a first unique graph identifier with the first graph and providing at least partial definitions of the first graph and the first unique identifier to at least some of the nodes associated with the first graph. The method then sends data packet with the graph identifier from the first node, and directs the data packet to the second node via the zero or more intermediate nodes using the graph identifier. This method may include forwarding the packet to a neighbor node of an intermediate node if the intermediate node and the neighbor node are nodes associated with the first graph and if the intermediate node and the neighbor node are connected by at least one direct communication connection. | 2011-09-08 |
20110216657 | METHODS AND APPARATUS RELATED TO SIGNALING REQUEST TO TRANSMIT TRAFFIC IN WIRELESS COMMUNICATIONS - Methods and apparatus related to the communication of traffic in peer to peer communications are described. A peer to peer communications system includes traffic slots, and for a pair of devices (first and second) having a connection a first transmission request resource and a second transmission request resource are associated with a traffic transmission interval of the traffic slot, the first request resource preceding the second request resource. The first device can utilize the first resource to transmit a request to transmit traffic to the second device, and when it does, it also uses the second resource to transmit additional information corresponding to the request and/or traffic. If the second device doesn't detect a request on the first resource, then it can use the second resource to transmit a request to first device to transmit traffic to the first device. | 2011-09-08 |
20110216658 | SYNCHRONIZATION IN A WIRELESS NODE - A wireless node clock is periodically synchronized with a wireless access point clock. The wireless access point clock is globally synchronized with other access points in a network. Failure of the access point is detected. A search is performed for a beacon signal of a neighboring wireless access point that is associated with the network. The neighboring access point also has a globally synchronized clock. The wireless node clock is synchronized with the globally synchronized clock of the neighboring wireless access point. | 2011-09-08 |
20110216659 | MULTIUSER SCHEDULING IN WLAN SYSTEMS - An apparatus for wireless communications is provided including a processing system. The processing system is configured to determine path-losses between the apparatus and a plurality of wireless nodes, to group the plurality of wireless nodes into sets based on the determined path-losses, and to exchange data with at least one of the wireless nodes in one of the sets. | 2011-09-08 |
20110216660 | SYNCHRONIZATION IN A WIRELESS NODE - A wireless node receives a beacon from a wireless access point. The beacon includes a wireless protocol time synchronization function (TSF) timestamp generated with reference to a global clock for a network. The wireless node synchronizes a counter according to the TSF timestamp. The wireless node receives a global timing offset (GTO) packet from the wireless access point and combines the GTO packet with a counter value to generate a global timestamp. | 2011-09-08 |
20110216661 | Communication Control Device and Communication Quality Measurement Method - Disclosed is a communication control device for measuring the delivery quality of unicast/multicast video delivery by a user premises device. The communication control device connects a first network to a second network. The first network is connected to a delivery server for delivering data packets containing plural pieces of content. The second network is connected to a plurality of computers for acquiring the data packets from the delivery server. The communication control device acquires control information that is transmitted from the computers to the delivery server, extracts computer identification information and data packet identification information from the acquired control information, and measures the delivery quality of data packets targeted for measurement, which are to be transmitted to the identified computers, in accordance with the extracted computer identification information and the extracted data packet identification information. | 2011-09-08 |
20110216662 | COOPMAX: A COOPERATIVE MAC WITH RANDOMIZED DISTRIBUTED SPACE TIME CODING FOR AN IEEE 802.16 NETWORK - Cooperative communication is a technique that can be employed to meet the increased throughput needs of next generation WiMAX systems. In a cooperative scenario, multiple stations can jointly emulate the antenna elements of a multi-input multi-output system in a distributed fashion. A framework for a randomized distributed space-time coding (“R-DSTC”) technique in the emerging relay-assisted WiMAX network, and the development of a cooperative medium access control (“MAC”) layer protocol, called CoopMAX, for R-DSTC deployment in an IEEE 802.16 system, is described. The technique described couples the MAC layer with the physical (PHY) layer for performance optimization. The PHY layer yields significant diversity gain, while the MAC layer achieves a substantial end-to-end throughput gain. | 2011-09-08 |
20110216663 | APPARATUS AND METHOD FOR DETECTING VOICE PERIOD IN MOBILE COMMUNICATION SYSTEM - An apparatus and method for detecting a voice period in a mobile communication system are provided. The method includes determining a voice codec rate, comparing a maximum size of a Silence InDication (SID) packet and a minimum size of a voice packet corresponding to the determined voice codec rate, and detecting the voice period by using any one of a packet size and an inter-packet interval according to the comparison result. | 2011-09-08 |
20110216664 | PUSH SIGNAL DELIVERY STATUS JUDGING APPARATUS AND METHOD - A method for judging delivery status of a push signal includes: receiving packets flowing in a specific session between a transmission source and transmission destination at an arbitrary point on a route of the specific session, and storing the received packets into a storage device, wherein the packets include voice packets and non-voice packets representing the push signal; judging based on sequence numbers included in the received packets stored in the storage device, whether or not packet loss has occurred in the specific session; and upon detecting that the packet loss has occurred, judging, according to status of the packet loss and predetermined characteristic of the non-voice packets, whether or not loss of the push signal has occurred. | 2011-09-08 |
20110216665 | METHOD AND SYSTEM FOR THE DISTRIBUTION OF INTERNET PROTOCOL TRAFFIC IN A COMMUNICATION SYSTEM - A method for operating a communication system is provided. The method includes receiving an arrival rate of a plurality of real-time packets, and receiving a real-time packet including a first plurality of identifiers, for transmission on a first link or a second link, where the first link has a first bandwidth. The method also includes processing the real-time packet to select a first selected link from the first link and the second link based on the first plurality of identifiers, the arrival rate of the plurality of real-time packets, and the first bandwidth, and transmitting the real-time packet on the first selected link. | 2011-09-08 |
20110216666 | METHOD OF MULTIPLEXING OVER AN ERROR-PRONE WIRELESS BROADCAST CHANNEL - Provided is a method and system for transmitting information. The method includes determining stream length information for at least one data stream to be transmitted and associating the stream length information with a system parameter message. The system parameter message including the associated stream length information is transmitted separately from the data stream. This process facilitates de-multiplexing of individual streams and the processing of stream data even if one or more individual streams are received in error. | 2011-09-08 |
20110216667 | Method and System for a Radio Frequency Management in a Mesh Network with a Path Distance Factor - A method and system for radio frequency management (RFM) in a mesh network using a path distance factor (PDF) is disclosed. According to one embodiment, a computer-implemented method, comprises calculating a path distance factor (PDF) between a first mesh router and a portal. A frame is transmitted to a second mesh router, wherein the frame includes the path distance factor. | 2011-09-08 |
20110216668 | NODE APPARATUS, ROUTE CONTROL METHOD, ROUTE COMPUTATION SYSTEM, AND ROUTE COMPUTATION APPARATUS - A node apparatus wherein when a topology change occurs on a network used for packet transfer between node apparatuses, the node apparatus performs dynamic route control for establishing a new normal route. The node apparatus has a device that receives, from another node apparatus, a route control message which includes information required for route determination; a device that computes a route on the network based on the received route control message; a device that sends another node apparatus a route control message which includes information required for said another node apparatus to determine a route on the network; a device wherein when receiving the route control message, this device computes an operation start time for route control operation by the route computation and the message sending, based on a distance between a topology change part and said node apparatus of oneself; and a device that controls the execution of the route control operation based on the computed operation start time. | 2011-09-08 |
20110216669 | System and Method to Enable Large MTUs in Data Center Ethernet Networks - A method of configuring a port on a network device includes receiving a frame of information, determining that the frame includes maximum transmission unit (MTU) information, and configuring a prioritized receive queue on the port with an MTU size based on the MTU information. The MTU size is different than another MTU size of another prioritized receive queue on the port. A network interface includes a port, a de-multiplexer coupled to an output or the port, and prioritized receive queues that each have an MTTU size. A first prioritized receive queue has an MTU size different than a second prioritized receive queue. | 2011-09-08 |
20110216670 | METHOD FOR DETERMINING NETWORK TOPOLOGY - Presented is a method of determining network topology. The method includes determining virtual local area networks (VLANs) configured to at least one switch on a computer network, selecting a VLAN from the configured VLANs, determining state of the selected VLAN, determining ports associated with the selected VLAN, based upon the state of the selected VLAN, selecting a port from the associated ports, determining operational status of the selected port, and defining status of the selected VLAN, based upon the operational status of the selected port. | 2011-09-08 |
20110216671 | Environment Configuration by a Device Bases on Auto-Discovery of Local Resources and Generating Preference Information for those Resources - Methods and systems for environment configuration by a device based on auto-discovery of local devices and generating preference information for those resources are disclosed and may include discovering available devices utilizing a wireless mobile communication device (WMCD). Wireless communication may be established with one or more of the available devices utilizing the WMCD, which may then configure the resources according to a user's preferences or a plurality of user preferences. The user preferences may be stored internal or external to the WMCD, and may be modified based on subsequent changes to the configuring of the resources. The WMCD may communicate with the resources utilizing one or more of a plurality of wireless protocols, which may include cellular, WLAN, near-field communication, Bluetooth, and radio frequency identification. The WMCD may auto-discover as well as determine and authenticate access privileges for the resources, which may include devices for adjusting a user's local environment. | 2011-09-08 |
20110216672 | TECHNICAL ENHANCEMENTS TO STP (IEEE 802.1D) IMPLEMENTATION - An embodiment includes a method of minimizing the delay in convergence time for a complex STP topology following a topology change in the network system in the spanning tree protocol (STP) standard, including: | 2011-09-08 |
20110216673 | TOPOLOGY DETECTION METHOD AND TOPOLOGY DETECTION APPARATUS - A topology detection apparatus includes, in a network having a tree-type topology: a route overlap judgment part that judges an existence or non-existence of an overlap between: a first route between terminals whose connection position are known; and a second route between a terminal whose connection position is known and a terminal whose connection position is unknown; and a topology detection part which determines the network topology based on the existence or non-existence of the first route and the second route. | 2011-09-08 |
20110216674 | SYSTEMS AND METHODS FOR FACILITATING TRANSFERRING OF CONFERENCE CALLS USING MOBILE COMMUNICATION DEVICES - Systems and methods for facilitating transferring of a conference call. In some embodiments, users of a secure mobile device may be provided with the ability to transfer a media session for use in a conference call to a non-secure communication device. The method may include displaying a user interface on the primary communication device, the user interface including a transfer option, receiving a command selecting the transfer option, sending a transfer request from the primary communication device to the conference call controller to link an alternate communication device within the conference call session, and determining whether the transfer request requires authentication, and if so performing authentication of the transfer request. | 2011-09-08 |
20110216675 | Relay Transmission Method and Apparatus - A relay transmission method and apparatus are provided. The method includes: configuring a subframe of a Time Division Duplex (TDD) relay frame for a subframe of relay link (S | 2011-09-08 |
20110216676 | RELAY TRANSIMISSION METHOD AND NETWORK NODE - A relay transmission method and a network node are disclosed. The method includes: receiving configuration information about a relay link subframe, the relay link subframe is configured in subframes in a period equivalent to an integer multiple of one frame, where the relay link subframe takes on a specific HARQ timeline; and performing relay link transmission according to the relay link subframe. The relay transmission method put forward herein meets various constraint conditions of the LTE FDD system in the relay transmission performed according to the selected relay link subframe, and is backward-compatible with the UE in the existing LTE system. | 2011-09-08 |
20110216677 | TECHNIQUES FOR PROVIDING UPLINK FEEDBACK FOR DOWNLINK-ONLY RF CARRIERS IN A MULTICARRIER SYSTEM - Techniques are described for permitting uplink feedback for downlink transmission over downlink-only RF carriers to occur using uplink control channels belonging to another fully-configured RF carrier herein known as a primary carrier. Uplink feedback channels can be allocated for the downlink-only RF carriers in the uplink control regions of a fully-configured RF carrier immediately following the uplink control channels for the primary carrier are allocated. The uplink feedback channels for downlink-only RF carriers can be allocated based on global or local index number of each downlink-only RF carrier in sequential order based on ascending or descending sorting of the index numbers. | 2011-09-08 |
20110216678 | SYSTEM AND METHOD FOR THE SIMULTANEOUS RECEPTION OF FLO AND FLO-EV DATA - A system for receiving data includes a receiver configured to receive a radio frequency communication signal comprising at least one superframe, the at least one superframe having at least a first data stream and a second data stream encoded therein, wherein the receiver decodes at least one of the first data stream and the second data stream. | 2011-09-08 |
20110216679 | SIGNAL INTERFACING TECHNIQUES TO SIMPLIFY INTEGRATED CIRCUIT RADIO DESIGNS - A signal interfacing technique for connecting signals between a signal processing device and a MIMO radio integrated circuit (IC) involving multiplexing two or more signals on a connection pin between the radio IC and a signal processing device. According to one technique, transmit and receive signals are multiplexed such that during a transmit mode a transmit signal is coupled on the connection pin from the signal processing device to the radio IC, and during a receive mode a receive signal is coupled from the radio IC on the connection pin to the signal processing device. According to another technique, in-phase (I) and quadrature (Q) signals are multiplexed on a connection pin during both transmit and receive modes. | 2011-09-08 |
20110216680 | Method And Apparatus For Use In A Communications Network - According to a first aspect of the present invention there is provided a method of routing traffic in a communications network employing Proxy Mobile IP, in which a traffic flow has been transferred from a first interface of a multi-homed mobile node, having a first IP address, to a second interface of the multi-homed mobile node, having a second IP address. The method comprises, at the mobile node and at a mobility anchor function, performing forward and reverse address translation between the first IP address and the second IP address. | 2011-09-08 |
20110216681 | Systems and Methods for Operation Mode Transition In Wireless Communications - A method for a base station to instruct a mobile station to perform an operation mode transition, the method including: receiving battery level information from the mobile station, the battery level information being included in a signaling header; determining, based on the battery level information, if the mobile station can perform an operation mode transition; and instructing the mobile station to perform the operation mode transition, if it is determined that the mobile station can perform the operation mode transition. | 2011-09-08 |
20110216682 | METHOD AND APPARATUS FOR CHANNEL QUALITY INDICATOR (CQI) ENHANCEMENTS - Certain aspects of the present disclosure relate to techniques for reporting of channel quality indication in Long Term Evolution Advanced (LTE-A) wireless systems. | 2011-09-08 |
20110216683 | APPARATUS AND METHOD FOR REDUCING INTERFERENCE AND SAVING ENERGY IN FEMTO/PICO CELL OF HIERARCHICAL CELL STRUCTURE - An apparatus and a method manage power of a small base station. Whether a notify message indicating that a subscribed terminal enters a macro base station that includes an off-small base station is received from the macro base station under a closed access mode is determined. When the notify message is received, whether a service is providable to the subscribed terminal is determined. When the service is providable to the subscribed terminal, the small base station is turned on. During the closed access mode or when a load of a macro cell is large during an open access mode, when a terminal that should be serviced does not exist in the neighborhood of a small base station, an interference and power consumption unnecessarily generated may be reduced by turning off the small base station. | 2011-09-08 |
20110216684 | MULTI-CARRIERS MANAGING DEVICE AND METHOD AND SLEEP MODE OPERATING METHOD OF TERMINAL - A multi-carriers management device of a communication system supporting multi-carriers requests a terminal attempting to enter a sleep window to change a primary carrier, and transmits a control message to the terminal through the changed primary carrier during the sleep window. | 2011-09-08 |
20110216685 | MAC BASED MAPPING IN IP BASED COMMUNICATIONS - An access point of a communications network receives a multicast or broadcast packet from a source. The access point converts the multicast or broadcast packet into a unicast packet addressed to a station associated with the access point. The access point then transmits the unicast packet over the communications network from the access point to the station. The access point further may determine a minimum data rate by which the access point may transmit the multicast or broadcast packet to the station and determines an effective unicast rate for transmitting the unicast packet to the station. If the effective unicast rate does not exceed the minimum data rate, the access point does not transmit the unicast packet to the station and transmits the multicast or broadcast packet. | 2011-09-08 |
20110216686 | COMMUNICATION DEVICES AND METHODS THEREOF - Communication devices and methods thereof. The communication device comprises a communication module and a control module. The communication module is configured to receive point-to-multipoint data and point-to-point data on a first carrier, and receives a configuration of a second carrier after configuring the first carrier. The control module, coupled to the communication module, configures the second carrier according to the received configuration. | 2011-09-08 |
20110216687 | Method and Apparatus for Accounting Multicast Broadcast Service - In a method for accounting a multicast broadcast service (MBS), an Access Service Network (ASN) receives MBS service accounting information sent by an MBS accounting agent. The MBS service accounting information includes an MBS service identifier and MBS service granularity-based accounting information. A mobile station (MS) is determined using the MBS service according to the MBS service identifier. Subscriber service granularity-based accounting information of the MS is generated and the generated accounting information is sent to an accounting system. | 2011-09-08 |
20110216688 | RADIO COMMUNICATION APPARATUS, RADIO COMMUNICATION SYSTEM, AND METHOD OF SWITCHING COMMUNICATION MODE - In a radio communication system, when switching of a multicast communication and a unicast communication is performed, a radio communication base station determines whether to switch a communication mode based on reception information received from a mobile terminal, newly establishes a logical channel between the mobile terminal and the radio communication base station by the same logical channel as before switching based on the determination result, converts to a transport channel of a communication mode different from before switching in the newly established logical channel, and switches communication with each mobile terminal to a communication mode represented by the converted transport channel. Thus, switching of the communication mode is performed limitedly only in between the radio communication base station and each mobile terminal. | 2011-09-08 |
20110216689 | Facilitating Asynchronous Transmissions Using a Protocol Having Asynchronous and Synchronous Portions - One or more repeaters enable the conveyance of both asynchronous and synchronous transmissions. This can comprise receiving, via a first carrier, a transmission from a message source that is asynchronous with respect to a time slot partitioning of the communication protocol and then, when the asynchronous transmission is received during an asynchronous source transmission portion, buffering a corresponding message until a next available synchronous time slot opportunity during the asynchronous source transmission portion and then transmitting the message via the first carrier to at least attempt to forward the message. | 2011-09-08 |
20110216690 | RELAYING SYSTEM AND METHOD WITH PARTNER RELAYS AND SELECTIVE TRANSMISSION - Partner relay systems and methods are provided in which relaying is performed by a pair of partner relays. Signals received from a base station are translated by a first of the pair of partner relays to a different transmission resource for communication between the pair of partner relays, and then upon reception by a second of the pair of partner relays, the signal is translated back to the original transmission resource and re-transmitted towards the receiver. | 2011-09-08 |
20110216691 | DATA TRANSMISSION METHOD ACCORDING TO RADIO RESOURCE ALLOCATION IN MULTI-HOP RELAY SYSTEM - A data transmission method in a system comprising at least one or more relays includes transmitting by a mobile station a bandwidth allocation request message to a relay, receiving by the mobile station a bandwidth allocation message from the relay, the bandwidth allocation message including information for indicating an offset from a frame where the bandwidth allocation message is contained, waiting by the mobile station for an uplink frame or uplink subframe indicated by the offset from the frame where the bandwidth allocation message is contained, and transmitting data on the indicated frame or subframe. | 2011-09-08 |
20110216692 | SELECTION OF A PREFERRED ACCESS POINT FROM AMONG A PLURALITY OF ACCESS POINTS - Techniques are provided for selecting an access point (AP) to communicate with from a plurality of candidate access points (APs) when a wireless communication device (WCD) roams in a wireless local area network (WLAN). The WCD can determine whether a particular link quality metric (e.g., a signal strength indicator value) of a particular preferred access point (that has the highest link quality metric) is greater than an upper threshold. If so, the WCD can then create a preferred candidate list that comprises only preferred access points, and determine whether a current serving access point of the wireless communication device is a preferred access point. If the current serving access point is not a preferred access point, the WCD can initiate a roam to the particular preferred access point that has the strongest link quality metric. | 2011-09-08 |
20110216693 | Method and Apparatus for Ordered Partial Detection with MIMO Cooperation - In accordance with an example embodiment of the present invention, an apparatus comprising: at least one processor; and at least one memory including computer program code, wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus to perform at least the following: receiving a MIMO (multiple-input multiple output) encoded symbol vector, the symbol vector encoding a plurality of streams of a source node; estimating channel matrix between the source node and the apparatus; re-ordering columns in said channel matrix; determining a plurality of feedback bits based at least in part on the re-ordered channel matrix, wherein each bit of the feedback bits indicates detection or no detection of the corresponding antenna streams of the source node; and transmitting the feedback bits. | 2011-09-08 |
20110216694 | Enhanced Circuit-Switched Calls - A terminal for transmitting a voice signal, comprising: a transmitter having a first transmission module arranged to transmit signals over a packet-switched data network and a second transmission module arranged to transmit signals over a circuit-switched telephony network; a microphone for generating a voice signal; and signal processing apparatus configured to generate a first signal and a second signal from the voice signal, each representing information from the voice signal over a same portion of time. The signal processing apparatus is further configured to supply the first signal to the first transmission module for transmission to a receiver via the packet-switched data network, and to supply the second signal to the second transmission module for transmission to the receiver via the circuit-switched telephony network. There is also provided a terminal for receiving such signals and reconstructing the voice signal, and corresponding methods and program products. | 2011-09-08 |
20110216695 | APPARATUS FOR INTERCONNECTING WIRELESS NETWORKS SEPARATED BY A BARRIER - An apparatus for bridging a barrier to wireless communication between wireless field device networks includes a pair of locally-powered wireless devices connected by a wired link spanning the barrier. At least one of the locally-powered wireless devices is in wireless communication with each of the wireless networks intended to be interconnected. The wireless devices include a wireless transceiver and an antenna. Messages from one wireless field device network addressed to a member node of another wireless field device network are received by a wireless device on one side of the barrier and transmitted via the wired link to another wireless device on the other side of the barrier for routing to the member node of the other wireless field device network. | 2011-09-08 |
20110216696 | DISTRIBUTED FLUID NETWORK SYSTEM AND METHOD - A system and method for transmitting message data within a multi-hop mesh network is disclosed. Message data is provided that includes an identifier of the source node, an identifier of the destination node, a transmission route and a message for the destination node. At least one processor tracks one or more of an incoming queue, an outgoing queue and an idle queue. The message data is transmitted from the source node to a destination node or, if the destination node is not directly connected, to an intermediate node, the receiving node determines whether it is the destination node and/or whether there is at least a first predetermined condition that precludes the message delivery. If no such condition is determined and the node is not the destination node, it continues forwarding the message to a subsequent and possibly the destination node, otherwise it attempts a re-routing and if it does not determine a second predetermined condition that precludes calculating a different route, drops the message and updates the knowledge base. | 2011-09-08 |
20110216697 | WIRELESS NETWORK SYSTEM AND RELATED WIRELESS ROUTING CIRCUIT - A wireless routing circuit is disclosed including: a first RF circuit having a first physical address for communicating with a first set of one or more wireless networking devices each has a gateway address configured as the first physical address; a second RF circuit having a second physical address for communicating with a second set of one or more wireless networking devices each has a gateway address configured as the second physical address; a processing circuit coupled with the first and second RF circuits for processing packets received or to be transmitted by the first and second RF circuits; and a network interface coupled with the processing circuit for communicating with one or more network areas under the control of the processing circuit. | 2011-09-08 |
20110216698 | APPARATUSES, SYSTEMS, AND METHODS FOR CLOSED SUBSCRIBER GROUP (CSG) MEMBERSHIP SYNCHRONIZATION - A mobile communications device with a wireless module and a controller module is provided. The wireless module performs wireless transceiving to and from a cellular station of a service network, and the cellular station is associated with a Closed Subscriber Group (CSG) identification (ID) and configured to operate in a hybrid access mode. The controller module transmits a Circuit Switched (CS) or Packet Switched (PS) domain request message to the cellular station via the wireless module, and receives a rejection message corresponding to the CS or PS domain request message from the cellular station via the wireless module. Also, the controller module determines whether the rejection message indicates unauthorized membership of the CSG ID, and removes the CSG ID from an allowed CSG list in response to the CSG ID being in the allowed CSG list and the rejection message indicating unauthorized membership of the CSG ID. | 2011-09-08 |
20110216699 | TRANSMISSION MANAGEMENT APPARATUS, TRANSMISSION MANAGEMENT SYSTEM, TRANSMISSION MANAGEMENT METHOD, AND TRANSMISSION MANAGEMENT PROGRAM - A transmission system determines whether property data of a transmission terminal matches property data of a counterpart terminal to generate similarity information indicating the degree of similarity between the property data of the transmission terminal and the property data of the counterpart terminal, and determines a destination to which the event data specifying an event created by the transmission terminal is to be transmitted based on the similarity information. | 2011-09-08 |
20110216700 | METHOD AND APPARATUS FOR PERFORMING UPLINK RANDOM ACCESS IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus of a base station (BS) perform uplink (UL) random access in a wireless communication system. Random access channel information is determined on each of a plurality of frames constituting a superframe, and a control message comprising the random access channel information is broadcasted. A method and apparatus of a mobile station (MS) perform UL random access in a wireless communication system. A control message comprising random access channel information is received. A frame for minimizing a collision during a contention-based random access is selected based on the random access channel information. For data to be transmitted using the selected frame, it is determined whether the information to be transmitted is an access class with equal or higher priority to a received access class comprised in the random access channel information. A contention-based random access bandwidth request is transmitted to the BS for the data to be transmitted. | 2011-09-08 |
20110216701 | METHOD AND APPARATUS FOR IDENTIFICATION AND TRANSFER IN INTERNET PROTOCOL MULTIMEDIA SUBSYSTEM COLLABORATIVE SESSIONS - A method and apparatus are described for performing Internet Protocol (IP) Multimedia Subsystem (IMS) operation. A wireless transmit/receive unit (WTRU) registers an IMS service priority with an IMS network. The IMS service priority indicates the WTRU's priority in receiving IMS services. The WTRU may receive an IMS service from the IMS network based on the WTRU's IMS service priority. The IMS service priority may be indicated using a priority value and the WTRU may use Session Initiation Protocol (SIP) messaging to signal with the IMS network. The WTRU may register the service priority value using a q-value parameter in an SIP Contact field header. The WTRU may also register a public user identity with the IMS network and the public user identity may be shared with other IMS-capable WTRUs. | 2011-09-08 |
20110216702 | APPARATUS AND METHOD FOR RECEIVING STREAMING DATA IN A PORTABLE TERMINAL - An apparatus and method for receiving streaming data in a portable terminal are provided. The apparatus includes a controller and an Intra-frame (I-frame) manager. The controller decodes and reproduces received streaming data. In a case of a stopping of a streaming service, the I-frame manager stores information on a stopped position of the streaming service and, in a case where the stopped streaming service is reattempted, reproducing the streaming data from the stopped position of the streaming service. | 2011-09-08 |
20110216703 | Spread Spectrum Transmission Systems - A code phase signalling module arranged to provide code phase signalling to assist in signal acquisition of direct sequence spread spectrum signalling received by a receiver module from a transmitter module. The code phase signalling is arranged to be used by the receiver module to synchronise the phase of a synchronisation code provided from within the receiver module with the phase of a modulation code of the direct spread spectrum sequence signalling received by the receiver module. The synchronisation code sequence corresponds to the modulation code sequence. The code phase signalling module is arranged to provide code phase time signalling representing the offset time of the synchronisation code from a reference time. The reference time is associated with the time of transmission of a particular reference portion of the modulation code of the direct spread spectrum signaling. | 2011-09-08 |
20110216704 | ENHANCED FREQUENCY DIVISION MULTIPLE ACCESS FOR WIRELESS COMMUNICATION - Enhanced frequency division multiple access (EFDMA) is a multiplexing scheme that sends modulation symbols in the time domain and achieves a lower PAPR than OFDM. An EFDMA symbol occupies multiple subband groups that are spaced apart in a frequency band, with each subband group containing multiple adjacent subbands. To generate an EFDMA symbol, multiple modulation symbols are mapped onto a first sequence of symbols. A transform (e.g., a DFT) is performed on the first sequence to obtain a second sequence of values. The values in the second sequence corresponding to the subbands used for the EFDMA symbol are retained, and the remaining values are zeroed out to obtain a third sequence of values. An inverse transform (e.g., an IDFT) is performed on the third sequence to obtain a fourth sequence of samples. A phase ramp may be applied on the fourth sequence, and a cyclic prefix is appended to form the EFDMA symbol. | 2011-09-08 |
20110216705 | METHOD FOR SIGNALING BACK-OFF INFORMATION IN RANDOM ACCESS - A method for performing random access in a wireless communication system is provided. The method includes transmitting a preamble for random access in uplink, receiving a random access response message including back-off information as a response to the preamble, and performing back-off using the back-off information when the random access has failed. | 2011-09-08 |
20110216706 | METHOD FOR SIGNALING BACK-OFF INFORMATION IN RANDOM ACCESS - A method for performing random access in a wireless communication system is provided. The method includes transmitting a preamble for random access in uplink, receiving a random access response message including back-off information as a response to the preamble, and performing back-off using the back-off information when the random access has failed. | 2011-09-08 |
20110216707 | APPLICATION SPECIFIC TRAFFIC OPTIMIZATION IN A WIRELESS LINK - A packet data system such as a TCP/IP network transmits packets containing a variety of data types along links in the network. Packets are transmitted in a stream between nodes interconnected by the links connections which conform to a transport layer protocol such as TCP, UDP, and RSTP, and includes wireless links, which transmit packets using a radio frequency (RF) medium. Typical protocols, however, are usually developed to optimize throughput and minimize data error and loss over wired links, and do not lend themselves well to a wireless link. By examining the data in a packet, performance characteristics such as a port number are determined. The performance characteristics indicate the application type, and therefore, the data type, of the packets carried on the connection. Since certain data types, such as streaming audio and video, are more loss tolerant, determination of the data type is used to compute link control parameters for the wireless link which that are optimal to the type of data being transmitted over the link. | 2011-09-08 |
20110216708 | TRANSMISSION OF MULTIPLEX PROTOCOL DATA UNITS IN PHYSICAL LAYER PACKETS - A transmitter generates MUX-PDUs for video, audio, data, and/or control streams based on a fixed PHY packet size such that all or a substantial percentage of the MUX-PDUs conform to the PHY packet size. The MUX-PDUs have variable sizes and are mapped to PHY packets such that (1) each MUX-PDU that is smaller than the PHY packet size is sent in one PHY packet and (2) each MUX-PDU that is larger than the PHY packet size is sent in a minimum number of PHY packets. Each MUX-PDU is padded with one or more null MUX-PDUs and/or one or more padding bytes, if needed, to obtain the PHY packet size. Each PHY packet is sent in one transmission time interval (TTI) to a receiver. The receiver performs the complementary processing on the received PHY packets to recover the MUX-PDUs. The receiver forwards each valid MUX-PDU and discards any padding. | 2011-09-08 |
20110216709 | PROVIDING ACCESS TO A GPRS NETWORK - Methods and devices for providing a device (TD | 2011-09-08 |
20110216710 | Method and Apparatus for Controlling Access to a Radio Resource - In a radio system where wireless nodes are in contact, the wireless nodes are enabled to exchange information with adjacent nodes. In addition, in one embodiment distant nodes out of range for direct communication can be communicated with by forwarding data over multiple hops. When a user, in particular a primary user, is detected by a node, a spectrum access blocking message is sent, to other nodes in the vicinity of the node thereby enabling blocking of the radio resource in a geographical area in which the other usage is detected. This means that the radio resource is blocked in that area from being accessed by other users than the primary user. The blocking message can be distributed in any suitable manner and can be tailored for the application at hand. | 2011-09-08 |
20110216711 | BASE STATION APPARATUS, TERMINAL APPARATUS AND COMMUNICATION SYSTEM - Reception quality measurement results of respective channels which have been outputted from a reception quality measuring section | 2011-09-08 |
20110216712 | COMMUNICATION METHOD AND APPARATUS FOR CONTROLLING DATA TRANSMISSION AND RETRANSMISSION OF MOBILE STATION AT BASE STATION - Disclosed is a communication method for controlling data transmission of a mobile station at a base station. The method comprises the steps of: determining, by the base station, a transmission operation to be performed by the mobile station in next transmission time interval based on HARQ and schedule result; sending, in a downlink by the base station, an ACK/NACK packet, an indicator indicating the type of the transmission by the mobile station and a resource use command for the used resource based on the determined transmission operation; receiving, by the mobile station, the ACK/NACK packet, the indicator and the resource use command sent from the base station, and performing respective transmission operations according to the received ACK/NACK packet, indicator and resource use command without using any data-associated signaling in an uplink. | 2011-09-08 |