| VIA TELECOM, INC. Patent applications |
| Patent application number | Title | Published |
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| 20120117140 | CLASS IDENTIFICATION METHODS FOR MACHINE-TO-MACHINE (M2M) APPLICATIONS, AND APPARATUSES AND SYSTEMS USING THE SAME - A mobile communication device for application-based class identification is provided with a wireless module and a controller module. The wireless module performs wireless transmissions and receptions to and from a service network. The controller module determines a class of a Machine-to-Machine (M2M) application, and determines a priority level corresponding to the class of the M2M application. Also, the controller module initiates the M2M application via the wireless module according to at least one M2M parameter corresponding to the priority level. | 05-10-2012 |
| 20120113957 | APPARATAUS AND METHOD FOR ALLEVIATING BARRED ACCESS IN MOBILE COMMUNICATION SYSTEM - A user equipment for alleviating barred access while reselecting from a first cell to a second cell in a mobile communication system is provided. A wireless module detects receives system information broadcasted in the first cell. A storage unit stores the system information. A controller reselects the user equipment from the first cell to the second cell. Particularly, the cell reselection is not performed during a connection establishment procedure. Also, the controller determines whether a first barred access timer is running in response to reselecting from the first cell to the second cell, and stops the first barred access timer and informs the upper layer of an RRC protocol that the access of the first service is allowed in response of that the first barred access timer is running. | 05-10-2012 |
| 20120100850 | APPARATUS, SYSTEM, AND METHODS FOR HANDLING ATTACH PROCEDURE IN MOBILE COMMUNICATION SYSTEM - A user equipment for handling an attach procedure with a service network is provided. In the user equipment, a wireless module transmits an attach request message to the service network and receives an attach accept message replied to the attach request message from the service network, while a controller determines whether to accept the attach accept message according to a first parameter accompanying the attach accept message and sends an attach complete message, via the wireless module, to the service network in response to the attach accept message being accepted. | 04-26-2012 |
| 20120082106 | System and Method for Allocating Physical Random Access Channel Resources - A system for allocating PRACH (Physical Random Access Channel) resources is provided in the invention. The system comprises a plurality of wireless terminals and a base station. The base station is configured to allow the plurality of wireless terminals to share an access slot comprising a plurality of M2M (Machine to Machine) preambles and a plurality of H2H (Human to Human) preambles, and configured to separate the plurality of M2M preambles from the plurality of H2H preambles. | 04-05-2012 |
| 20120069823 | APPARATUS AND METHOD FOR INTERNETWORKING INTERFACE IN MULTIMODE WIRELESS COMMUNICATION - An apparatus supporting MTC in an LTE environment including an LTE modem and a CDMA modem. The LTE modem accesses a first wireless network and executes first data transactions, where the first wireless network comports with LTE standards. The CDMA modem is operationally coupled to the LTE modem, and accesses a second wireless network and executes second data transactions, where the second wireless network comports with one or more CDMA-based standards. The CDMA modem includes an inter-radio access technology (IRAT) API element and an inter-process communication (IPC) module. The IRAT API element is configured to send/receive IRAT messages via function calls to/from the LTE modem, where the IRAT messages remain the same regardless of interface requirements for the LTE modem. The IPC module is coupled to the IRAT API element, and is configured to generalize the function calls to enable the CDMA modem to interoperate with the LTE modem. | 03-22-2012 |
| 20120039253 | DATA PROCESSING METHODS FOR PROCESSING MACHINE TYPE COMMUNICATION DATA AND WIRELESS COMMUNICATIONS SYSTEMS THEREOF - A data processing method for a wireless communication system with a plurality of terminals, an intermediate device and a service network, the method comprising: sending a plurality of machine type communication (MTC) data flows from the plurality of terminals to the intermediate device; performing a data multiplexing operation by the intermediate device on the plurality of machine type communication data flows to generate a multiplexed data flow; and the service network receiving the multiplexed data flow. | 02-16-2012 |
| 20110310769 | Methods and Apparatuses for Machine Type Communication - A Machine Type Communication (MTC) method for an MTC device to configure a plurality of MTC logical channels associated with an MTC application is provided The method comprises the steps of: configuring, in a Medium Access Control (MAC) layer, the MTC logical channels independently from a Common Control Channel (CCCH), a Dedicated Control Channel (DCCH), and a Dedicated Traffic Channel (DTCH), wherein the MTC logical channels include a Machine Type Communication Traffic Channel (MTCTCH) and a Machine Type Communication Control Channel (MTCCCH); carrying uplink and downlink traffic data dedicated for the MTC application executed by the MTC device in the MTCTCH; and carrying uplink and downlink control data dedicated for the MTC application executed by the MTC device in the MTCCCH. | 12-22-2011 |
| 20110300889 | Methods and Devices for Reducing Signaling Overhead - A method for reducing signaling overhead in user equipment (UE) connected to a base station is provided. The method includes: when the UE sends Radio Resource Control (RRC) layer messages to the base station, the UE compresses RRC layer messages and sends the compressed RRC layer messages to the base station; and when the UE receives the compressed RRC layer messages from the base station, the UE decompresses the compressed RRC layer messages received from the base station. | 12-08-2011 |
| 20110300858 | Buffer Status Reporting Methods for Machine Type Communication Data Transmission and Related Mobile Communication Devices - A mobile communications device with a wireless module and a controller module for performing a buffer status reporting procedure is provided. The wireless module performs wireless transmissions and receptions to and from a cellular station of a service network. The controller module receives machine type communication (MTC) data, determines whether to trigger a buffer status report (BSR) according to a comparison result of the data size of the MTC data and a threshold value when the MTC data arrives at an empty transmission buffer, and if so, transmits the BSR to the cellular station via the wireless module. | 12-08-2011 |
| 20110299492 | Mobile Communications Devices and Transmission Methods for Transmitting Machine Type Communication Data Thereof - A mobile communications device with a wireless module and a controller module for performing an enhanced access procedure is provided. The wireless module performs wireless transmissions and receptions to and from a cellular station of a service network. The controller module transmits a random access preamble to the cellular station via the wireless module, receives a random access response message corresponding to the random access preamble from the cellular station via the wireless module, and transmits a scheduled transmission message including the MTC (machine type communication) data from the cellular station via the wireless module, in response to the random access response message. Then, the controller module completes the enhanced access procedure in response to receiving a contention resolution message from the cellular station via the wireless module. | 12-08-2011 |
| 20110264976 | ENHANCED WIRELESS COMMUNICATION WITH HARQ - A wireless communication system including a receiver and a transmitter. The receiver receives a frame of data, and sends an acknowledgement. The acknowledgement includes a positive acknowledgement (ACK) if the data is successfully decoded or a negative acknowledgement (NAK) if the data is unsuccessfully decoded. The acknowledgement is sent according to timing of an acknowledge mask. The transmitter is wirelessly coupled to the receiver, and receives the acknowledgement according to the acknowledge mask, and sends a response to the receiver according to the acknowledgement. The response includes, if an ACK is received before transmission completes of the frame, the transmitter terminates transmission of the frame; if a NAK is received before transmission completes of the frame, the transmitter continues to send the frame; and if an ACK is not received before a predefined frame early scheduling point, the transmitter retransmits the frame after transmission completes of the frame. | 10-27-2011 |
| 20110261976 | Signal Amplifying Circuit and Signal Amplifying Method - A signal amplifying circuit is provided. The signal amplifying circuit includes a signal amplifier and a control circuit. The control circuit includes a compare unit and a register unit. The compare unit compares an input signal of the signal amplifier with a reference signal to generate a compare signal. The register unit receives and registers a control signal to be transmitted to the signal amplifier, and provides a registered signal to the signal amplifier according to the registered control signal when the compare signal is changed. | 10-27-2011 |
| 20110248785 | Clock Generators, Clock Generating Methods, and Mobile Communication Device Using the Clock Generator - A clock generator and generating method, and a mobile communication device using the clock generator. A clock generator comprises a first accumulator, an oscillating signal generating circuit and a frequency adjustment circuit. The oscillating signal generating circuit generates a first oscillating signal and adjusts a frequency of the first oscillating signal according to a first overflow output signal of the first accumulator. The frequency adjustment circuit generates a frequency control value according to the first oscillating signal and a reference oscillating signal. The first accumulator accumulates the frequency control value according to the first oscillating signal to generate the first overflow output signal. | 10-13-2011 |
| 20110242998 | QUALITY OF SERVICE CONTROL OF REVERSE TRAFFIC CHANNEL FOR A MOBILE COMMUNICATION DEVICE - A mobile communication device for providing QoS of packet transmission is provided. The packet transmission from and to the mobile communication device is performed by repeating a predetermined number of interlaces by a predetermined cycle. In the mobile communication device, a wireless module transmits a first sub-packet of a first packet and a first sub-packet of a second packet to a mobile communication network, and receives a response message corresponding to the first sub-packet of the first packet from the mobile communication network, wherein the first sub-packet of the first packet is transmitted in a first interlace prior to a second interlace in which the first sub-packet of the second packet is transmitted. Also, a controller module calculates a plurality of QoS parameters for a second sub-packet of the second packet in response to the response message, prepares the second sub-packet of the second packet with the QoS parameters, and transmits the second sub-packet of the second packet in the second interlace to the mobile communication network via the wireless module. | 10-06-2011 |
| 20110235587 | Apparatuses and Methods for Coordinating Operations of Multiple Wireless Communications Modules with Multiple Subscriber Numbers - A wireless communications device is provided with a plurality of card slots, a first wireless communications module, and a second wireless communications module. The card slots are inserted with at least one subscriber identity card. The first wireless communications module performs wireless transceiving in compliance with at least a first wireless technology. The second wireless communications module determines at least a first subscriber number and a second subscriber number from the at least one subscriber identity card, and enables the wireless transceiving of the first wireless communications module using the first subscriber number. Also, the second wireless communications module performs wireless transceiving in compliance with at least a second wireless technology using the second subscriber number. | 09-29-2011 |
| 20110222509 | FAST RESELECTION TO OTHER RAT AFTER CSFB - A wireless apparatus having one or more first radios, one or more second radios, interface control, and a processor. The one or more first radios are coupled to one or more first communication links. The one or more second radios are coupled to one or more second communication links. The interface control is coupled to the radios, and selects and executes communications over a specific one of the one or more second communication links following termination of a fallback session over one of the one or more first communication links, where RAT information is employed by the interface control to select the specific one of the one or more second communication links. The processor receives, processes, and provides to the interface control the RAT information, where the RAT information is received prior to termination of the fallback session or as part of termination of the fallback session. | 09-15-2011 |
| 20110194555 | CENTRALIZED RECORDING AND PROCESSING OF RECEIVED PACKET PARAMETERS - A receiver for maintaining parameters of packets received from a transmitter is provided. In the receiver: a first module receives packets from the transmitter and decodes the packets to obtain corresponding payload data, wherein each received packet is transmitted in accordance with a first set of parameters predetermined before decoding of the packets, a second set of parameters which are dynamically determined when the packets are being decoded, and a third set of parameters which are determined after the packets have been decoded. Also, a record generating module generates a record for each received packet, wherein the record comprises the first set, the second set, and the third set of parameters and a buffering module stores the record and corresponding payload data of each received packet. A second module retrieves the record and corresponding payload data from the buffering module, and processes the corresponding payload data according to the record. | 08-11-2011 |
| 20110164609 | 1X MESSAGE PROCESSING - An apparatus for notifying of a circuit switched event over a packetized data network. The apparatus includes a packetized data modem and an internetworking interface. The packetized data modem is configured to transmit and receive packetized data over a packetized data radio link. The packetized data modem has a tunneling link access control processor that is configured to encapsulate/decapsulate data for a subset of sub-layers corresponding to a link access control layer of a circuit switched network model. The internetwork interface is operatively coupled to the packetized data modem via the packetized data network, and is configured to notify the packetized data modem of the circuit switched event. The internetworking interface has a link access control/tunneling link access control processor that is configured to encapsulate/decapsulate the data when performing notification of the circuit switched event. | 07-07-2011 |
| 20110124380 | METHOD AND SYSTEM FOR DOUBLE-END TALK DETECTION, AND METHOD AND SYSTEM FOR ECHO ELIMINATION - A method and system for eliminating echo in a speaker-microphone communication system are provided. The method includes the steps of: performing a noise energy estimating process on a local microphone signal in order to obtain an estimated noise signal, wherein the local microphone signal includes a local voice signal, possible background noise signal, and possible remote voice signal output from a speaker and received by a microphone; performing an echo estimating process on a remote voice signal to obtain an estimated echo signal, wherein the remote voice signal is output from the speaker; determining an error signal from the local microphone signal and the estimated echo signal; calculating a variance (σ | 05-26-2011 |
| 20110069635 | IP MULTIMEDIA SUBSYSTEM FOR A MULTIMODE WIRELESS DEVICE - System and method for managing connections in a mobile device. A first application may be executing on the mobile device. A first application request, including first quality of service (QOS) parameters and first connection information for the first application, may be received. The first QOS parameters and the first connection information may be stored in a routing table. A first connection for the first application may be established based on the first QOS parameters and the first connection information. A second application may be executing on the mobile device. A second application request, including second QOS parameters and second connection information for the second application, may be received. The second QOS parameters and the second connection information may be stored in the routing table. A second connection for the second application may be established based on the second QOS parameters and the second connection information. | 03-24-2011 |
| 20110065484 | WIRELESS MOBILE COMMUNICATION DEVICES, CHIPSETS, AND HANDS-FREE MODE CONTROLLING METHODS THEREOF - A wireless mobile communication device is provided. The wireless mobile communication device has, a wireless communication module for performing wireless communications, a hands-free conversation module for providing a hands-free mode of a phone conversation during the wireless communications, a speed value generation module for receiving location or velocity information to generate a speed value, and a hands-free mode controller for determining whether the speed value has exceeded a predetermined threshold value, and activating the hands-free conversation module in response to the speed value exceeding the predetermined threshold value. | 03-17-2011 |
| 20110051697 | Apparatus, System, and Method for Access Procedure Enhancements - A mobile communication device for access procedure enhancement is provided. In the mobile communication device, a wireless module performs wireless transmissions and receptions to and from a service network. Also, a controller module transmits an access probe to the service network via the wireless module, and retransmits the access probe in response to not receiving an acknowledgement of the access probe from the service network via the wireless module in a waiting period of time. The waiting period of time is determined according to a coherence-time related offset. The controller module further repeats the retransmission of the access probe until the acknowledgement of the access probe is received from the service network via the wireless module | 03-03-2011 |
| 20110032924 | Apparatuses, Systems, and Methods for Managing Operation Status of Wireless Transmissions and Receptions - A mobile communication device for managing the operation status of wireless transmissions and receptions is provided. In the mobile communication device, a wireless module performs the wireless transmissions and receptions. Also, in the mobile communication device, a controller module activates the wireless module to transmit a scheduling request message to the service network, and keeps the wireless module activated for the wireless receptions in a first predetermined period of time subsequent to the transmission of the scheduling request message. | 02-10-2011 |
| 20110028141 | REVERSE LINK MOBILE TRANSMIT DIVERSITY - An access network is wirelessly coupled to an access terminal. The access network comprises a plurality of communication modules, a transmitter and a channel estimator. The plurality of communication modules coupled to the access terminal and configured to transmit a plurality of signals. The transmitter coupled to the access terminal and configured to send an index which indicates number of the plurality of signals. The channel estimator, configured to adjust and modulate a channel state information into the plurality of signals. | 02-03-2011 |
| 20110009126 | APPARATUSES, SYSTEMS, AND METHODS FOR PRIORITIZED LOAD BALANCING - A mobile communication device for prioritized load balancing is provided. In the mobile communication device, a wireless module receives data communication services and a broadcast message from a first service network. Also, a controller determines whether the broadcast message has load balancing information for the first service network and a second service network, and in response to the broadcast message having the load balancing information, generates a random number and determines whether the random number belongs to a restricted priority level according to the load balancing information. The controller further suspends a reselection from the first service network to the second service network, in response to the random number belonging to the restricted priority level. | 01-13-2011 |
| 20100322070 | APPARATUSES, SYSTEMS, AND METHODS FOR LOAD BALANCING MANAGEMENT - A mobile communication device for load balancing management is provided. In the mobile communication device, a wireless module receives data communication services via a first service node and receives a plurality of system information messages from the first service node and a plurality of second service nodes, wherein each of the system information messages has a forward-link quality threshold corresponding to a respective service node. Also, a controller determines a traffic type of the data communication services and a signal indicator of the first service node, and determines whether the signal indicator is less than the forward-link quality threshold corresponding to the first service node. In response to that the signal indicator is less than the forward-link quality threshold corresponding to the first service node, the controller switches the data communication services from the first service node to one of the second service nodes according to the traffic type. | 12-23-2010 |
| 20100309868 | MIMO OFDMA AND PREAMBLE DESIGN - A method is provided for coupling a plurality of access nodes wirelessly to a plurality of access terminals. The method includes dividing up a carrier frequency into a plurality of subbands; scheduling one or more access terminals to share one of the plurality of subbands; and via one of the plurality of access nodes, first communicating with the one or more access terminals over the one of the plurality of subbands. The communicating includes, within the one of the plurality of subbands, time division multiplexing interlaces corresponding to each of the one or more access terminals. | 12-09-2010 |
| 20100290437 | CIRCUIT SERVICE TUNNELING METHODS AND USER EQUIPMENT THEREOF - A user equipment is provided with connection to a first mobile service network providing circuit-switched services. A first protocol module communicates with the first mobile service network. A circuit-switch tunneling control protocol module establishes a circuit-service tunnel to a second mobile service network providing packet-switched services. A circuit-switch tunneling data protocol module transmits a circuit-service tunneling message from the first protocol module to the second mobile service network via the circuit-service tunnel. | 11-18-2010 |
| 20100290436 | CIRCUIT SERVICE TUNNELING SYSTEMS, METHODS, AND INTERWORKING SYSTEMS AND MOBILITY MANAGEMENT ENTITIES THEREOF - A circuit service tunneling system is provided. The circuit service tunneling system has a first and a second mobile service network, and a user equipment. The first mobile service network provides packet-switched domain services and the second mobile service network provides circuit-switched domain services. An interworking system in the second mobile service network interconnects the first mobile service network with the second mobile service network, by connecting to a mobility management entity in the first mobile service network, to enable the first mobile service network to provide the circuit-switched domain service to the user equipment via the second mobile service network. | 11-18-2010 |
| 20100287327 | COMPUTING SYSTEMS AND METHODS FOR MANAGING FLASH MEMORY DEVICE - A computing system is provided. A flash memory device includes at least one mapping block, at least one modification block and at least one cache block. A processor is configured to perform: receiving a write command with a write logical address and predetermined data, loading content of a cache page from the cache block corresponding to the modification block according to the write logical address to a random access memory device in response to that a page of the mapping block corresponding to the write logical address has been used, the processor, reading orderly the content of the cache page stored in the random access memory device to obtain location information of an empty page of the modification block, and writing the predetermined data to the empty page according to the location information. Each cache page includes data fields to store location information corresponding to the data has been written in the pages of the modification block in order. | 11-11-2010 |
| 20100279683 | WIRELESS COMMUNICATION BETWEEN A BASE STATION AND A MOBILE DEVICE - System and method for wirelessly communicating between a base station and a mobile device. The base station wirelessly sends a first one or more overhead messages to the mobile device. The first one or more overhead messages may include at least one parameter. The mobile device may wirelessly receive the first one or more overhead messages from the base station, including the at least one parameter. The base station may wirelessly send a second one or more messages to the mobile device according to a schedule based on the at least one parameter. The mobile device may wirelessly receive the second one or more messages according to the schedule based on the at least one parameter. The mobile device may schedule a sleep cycle based on the at least one parameter, which may reduce battery consumption in the mobile device. The second one or more messages may be sent less frequently than the first one or more overhead messages. | 11-04-2010 |
| 20100262881 | APPARATUS AND METHOD FOR REVERSE LINK TRANSMISSION IN AN ACCESS TERMINAL - A method for providing improved reverse link transmission timing in an access terminal is provided. The method includes processing automatic repeat request (ARQ) bits from a MAC bit processing unit for a previous sub-frame. The ARQ bits comprise a hybrid ARQ (H-ARQ) bit, a last ARQ (L-ARQ) bit, and a packet ARQ (P-ARQ) bit. The method also includes calculating the maximum allowed reverse rate and grant size for a MAC flow. The method further includes distributing grants to each application in the MAC flow. The method also includes storing a stored read pointer in an application transmit queue, for each application in the MAC flow. The method also includes preparing data for transmission, in response to storing the stored read pointer for each application in the MAC flow, based on the ARQ bits. The method also includes transmitting the data. | 10-14-2010 |
| 20100246698 | SYNCHRONIZATION METHOD AND APPARATUS FOR ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING SYSTEM - A synchronization method used in a receiving terminal of an orthogonal frequency division multiplexing (OFDM) system is illustrated. The synchronization method includes following steps: (a) receiving an OFDM training symbol at the receiving terminal, wherein the OFDM training symbol includes many sample points; (b) calculating first function values according to the sample points by using a first function; (c) selecting D timing points from many timing points corresponding to the first function values, wherein D first function values of the D timing points are larger than a first threshold value; (d) calculating D second function values of the D timing points by using a second function; and (e) selecting a first timing point from the D timing points, and setting the first timing point as a timing synchronization point, wherein the second function value of the first timing point is a first one greater than a second threshold value. | 09-30-2010 |
| 20100246489 | MIMO OFDMA WITH ANTENNA SELECTION AND SUBBAND HANDOFF - An access node wirelessly coupled to a plurality of access terminals, having a subband scheduler, a plurality of orthogonal frequency division multiplex elements, and a plurality of antennas. The subband scheduler receives precoded data, and schedules transmission of a preamble signal and a plurality of data streams. The plurality of orthogonal frequency division multiplex elements converts the preamble signal and the plurality of data streams into a corresponding preamble tone and a corresponding plurality of data tones. The preamble tone indicates a mapping of the plurality of data tones to one or more of the plurality of access terminals. The plurality of antennas transmits the corresponding preamble tone and the corresponding plurality of data tones in timely fashion for receipt by the plurality of access terminals. The corresponding preamble tone and the corresponding data tones are transmitted over subbands of a code division multiple access (CDMA)-based carrier frequency. | 09-30-2010 |
| 20100210246 | APPARATUS, METHOD AND SYSTEM FOR REDUCED ACTIVE SET MANAGEMENT - A first communication device wirelessly coupled to a second communication device. The first communication device includes a first receiver, a message processor, and a first transmitter. The first receiver is configured to receive first signals corresponding to a first number of communication devices, where the second communication device is one of the communication devices, and is also configured to measure first strengths of the first signals. The message processor is configured to determine that a second number of the communication devices can be processed by the first communication device according to the first strengths measured. The first transmitter is configured to transmit one or more first messages to the second communication device indicating the second number. | 08-19-2010 |
| 20100202501 | ADAPTIVE ACKNOWLEDGING AND POWER CONTROL - A communication device wirelessly coupled to another communication device. The communication device includes a first transmitter and a first receiver. The first transmitter is configured to transmit first power control bit information to the base station over a reverse link. The first transmitter has a timeline manager, configured to transmit the first power control bit information at a first rate according to a first pattern within a frame. The first receiver is configured to receive second power control bit information from the another communication device over a forward link. The first receiver has an adaptive controller, configured to determine the first rate and the first pattern. The first rate and the first pattern are selected from a plurality of rates and patterns available for transmission of the first power control bit information and the second power control bit information. | 08-12-2010 |
| 20100178897 | HASH KEY GENERATION APPARATUS AND METHOD FOR MULTIPLE CARDS COMMUNICATION SYSTEM - A mobile station is provided. The mobile station has a plurality of removable user identification modules, key generation logic, and hash logic. The plurality of removable user identification modules are each configured to store unique corresponding information associated with a corresponding plurality of cellular subscriptions. The key generation logic is configured generate a hash key. The hash logic is coupled to the key generation logic, and is configured to employ the hash key to determine parameters and attributes for continuing communication with a base station, where each of the parameters and attributes are determined to maximize use of common hardware and software within the mobile station to concurrently provide for communications in support of the corresponding plurality of cellular subscriptions. | 07-15-2010 |
| 20100172451 | VARIABLE BANDWIDTH AUTOMATIC GAIN CONTROL - Provided is automatic gain control (AGC) in which a feedback filter has a parameter that is changed based on information regarding data-packet boundaries. In one representative embodiment, the bandwidth of the filter temporarily is increased, or the time constant of the AGC filter temporarily is decreased, within a vicinity of each actual or potential packet boundary. | 07-08-2010 |
| 20100165970 | APPARATUS AND METHOD FOR FAST SYNCHRONIZATION IN A DUAL MODE SYSTEM - A method and apparatus is provided for reducing network synchronization time in a dual-mode access terminal. The dual-mode access terminal supports a first and a second network. The method includes determining if CDMA system time is available within the dual-mode access terminal. In response to determining that CDMA system time is available, the method includes forgoing acquiring the CDMA system time through a pilot acquisition procedure, reading the CDMA system time from a memory, and programming the CDMA system time into a system time unit. In response to determining that CDMA system time is not available, the method includes acquiring the CDMA system time through the pilot acquisition procedure and programming the CDMA system time into the system time unit. | 07-01-2010 |
| 20100136979 | CELL SELECTION HANDOFF FOR CDMA2000 1X ADVANCE - An apparatus for performing a soft handoff including a power estimator, cell selector, and feedback channel generator. The power estimator receives a plurality of pilot signals that each correspond to an associated base station within an active set registry, and estimates a power level for each of the plurality of pilot signals. The cell selector is coupled to the power estimator, and is configured to select one or more base stations within the active set registry for selective blanking of a corresponding one or more of the plurality of pilot signals during a soft handoff operation. The feedback channel generator is coupled to the cell selector, and is configured to generate a cell selection feedback signal indicating the one or more base stations, where the cell selection feedback signal is subsequently transmitted to the one or more base stations, and where the cell selection feedback signal directs the one or more base stations to perform the selective blanking. | 06-03-2010 |
| 20100135258 | WIRELESS HIGH-DATE RATE COMMUNICATIONS - A base station apparatus for increasing the throughput of a packetized cellular data network is provided. The base station apparatus includes an orthogonal frequency division multiplexed (OFDM) encoder and a time division multiplexer. The OFDM encoder is configured to encode a plurality of data streams into a corresponding plurality of OFDM tones, where one of the corresponding plurality of OFDM tones includes an OFDM preamble tone that indicates a mapping of remaining OFDM tones within the plurality of OFDM tones to one or more of a plurality of mobile stations. The time division multiplexer is operatively coupled to the OFDM encoder, and is configured to time multiplex a plurality of streams over a forward link channel for receipt by the plurality of mobile stations, where the corresponding plurality of OFDM tones are encoded as one of the plurality of streams. | 06-03-2010 |
| 20100081435 | APPARATUS AND METHOD FOR PERFORMING ATTACH PROCEDURE IN MOBILE COMMUNICATION SYSTEM - A service network for handling abnormal interrupts, including tracking area updates, lower layer failures, and guard timer expiries, during an attach procedure with a user equipment is provided. The service network includes a radio access network and a control node. When the radio access network detecting an abnormal interrupt, the control node aborts the attach procedure by sending a detach request message, via the radio access network, to the user equipment. | 04-01-2010 |
| 20100081393 | APPARATUS, SYSTEM, AND METHODS FOR HANDLING ATTACH PROCEDURE IN MOBILE COMMUNICATION SYSTEM - A user equipment for handling an attach procedure with a service network is provided. The user equipment comprises a wireless module transmitting an attach request message to the service network and receiving an attach accept message replied to the attach request message from the service network, and a controller determining whether to accept the attach accept message, sending an attach complete message, via the wireless module, to the service network in response to the attach accept message being accepted, and resending the attach request message, via the wireless module, to the service network in response to the attach accept message not being accepted. | 04-01-2010 |
| 20100077135 | MEMORY WEAR LEVELING METHOD, SYSTEM AND DEVICE - A wear leveling method for a non-volatile memory is provided. The non-volatile memory includes a plurality of data blocks, each corresponding to a time value. The data blocks are arranged according to a sequence of the time values corresponding thereto. The arranged blocks form a key table. An erase operation is determined whether to be executed for the data blocks. When the erase operation is executed for the data blocks, the corresponding data block is erased according to a sequence of the time values of the data blocks in the key table. | 03-25-2010 |
| 20100074170 | APPARATUS AND METHOD FOR ALLEVIATING BARRED ACCESS IN MOBILE COMMUNICATION SYSTEM - A user equipment for alleviating barred access while reselecting from a first cell to a second cell in a mobile communication system is provided. A wireless module detects receives system information broadcasted in the first cell. A storage unit stores the system information. A controller reselects from the first cell to the second cell, determines whether a first barred access timer is running, and stops the first barred access timer and informs the upper layer of an RRC protocol that the access of the first service is allowed in response of that the first barred access timer is running. | 03-25-2010 |
| 20100035599 | APPARATUS AND METHOD FOR CONNECTION RE-ESTABLISHMENT IN MOBILE COMMUNICATION SYSTEM ENVIRONMENT - An apparatus and method for a radio resource control (RRC) protocol to re-establish connection in a mobile communication system environment are disclosed. A user equipment (UE), for performing connection re-establishment in a connected state with connection to a mobile communication system is provided. When a network problem occurs, the UE shall proceed with the RRC protocol connection re-establishment procedure if the security has been activated. However, if the security has not been activated and the Radio Link Control (RLC) protocol indicates the maximum number of re-transmission has been reached, the UE shall reset lower layers of the RRC protocol, release unnecessary radio resources, and indicate the release of the RRC protocol connection to upper layers of the RRC protocol. Then the UE enters the idle state and waits for the next trigger event. | 02-11-2010 |
| 20090298515 | ACQUIRING TIME SYNCHRONIZATION AND LOCATION INFORMATION WITH A FEMTOCELL - A method for acquiring time synchronization and location information with a Femtocell includes an access point base station conveying an activation request to a service provider through a wired connection, where the service provider provides wireless communication in a macro area, and where the access point base station provides wireless communication in a local area. The method also includes the access point base station performing a first plurality of procedures to acquire a time synchronization and a second plurality of procedures to acquire a location of the access point base station. | 12-03-2009 |
| 20090298475 | LOCALIZED SILENCE AREA FOR MOBILE DEVICES - A system and method for creating a localized silence area. A mobile device may be registered with an access point base station. Any direct communication links from the mobile device to any other base stations may be removed. An indication may be given to the mobile device that the mobile device is in a localized silence zone. The indication may include a request that the mobile device operate in a silent mode, information about making outgoing calls, information about receiving incoming calls, or a combination of these. Procedures for incoming voice calls to the mobile device may be different for different priority levels. | 12-03-2009 |
| 20090296836 | CHANNEL ESTIMATION METHODS AND APPARATUS UTILIZING THE SAME - A channel estimation device and method for an orthogonal frequency division multiplexing (OFDM) system for receiving OFDM symbols to generate channel estimation information is provided. The channel estimation method includes: obtaining a portion of pilot signals from a plurality of pilot signals as a first pilot set according to corresponding positions of the pilot signals in the OFDM symbols; estimating a first estimation factor by calculating the pilot signals in the first pilot set in a first direction; estimating a second estimation factor by calculating the pilot signals in the first pilot set in a second direction; obtaining a pilot signal estimation result according to the first estimation factor and the second estimation factor; and obtaining the channel estimation information according to the pilot signal estimation result. | 12-03-2009 |
| 20090172495 | Methods and Apparatuses for Parallel Decoding and Data Processing of Turbo Codes - Methods and apparatuses for parallel decoding and data processing of Turbo codes are provided. The method includes: a codeword dividing step for dividing a whole codeword into Q sub-blocks to form a plurality of boundaries between adjacent sub-blocks of the Q sub-blocks so as to decode the Q sub-blocks, wherein the decoding process comprises P times of decoding iterations, and wherein Q is a positive integer and Q>1 and P is a positive integer and P>1; and a boundary moving step for moving at least one position of the boundaries formed in a pth decoding iteration by an offset Δ before performing a (p+n)th decoding iteration, wherein p is a positive integer and 1≦p| 07-02-2009 | |
| 20090093252 | AUTOMATIC PROVISIONING OF HANDOFF PARAMETERS FOR FEMTOCELL - Automatic provisioning of an access point base station or femtocell. The method may include the femtocell transmitting first information (e.g., location information, signal measurement information, capability information, etc.) to a service provider (e.g., over an IP network). The femtocell may receive second information from the service provider, where the second information includes one or more operational parameters. The operational parameters may include hand-off parameters, admission policy parameters, PN or scrambling codes, power parameters, and/or other parameters. The femtocell may operate according to the received parameters to provide access for a plurality of access terminals in a local area. | 04-09-2009 |
| 20090093246 | AUTOMATIC PROVISIONING OF POWER PARAMETERS FOR FEMTOCELL - Automatic provisioning of an access point base station or femtocell. The method may include the femtocell transmitting first information (e.g., location information, signal measurement information, capability information, etc.) to a service provider (e.g., over an IP network). The femtocell may receive second information from the service provider, where the second information includes one or more operational parameters. The operational parameters may include hand-off parameters, admission policy parameters, PN or scrambling codes, power parameters, and/or other parameters. The femtocell may operate according to the received parameters to provide access for a plurality of access terminals in a local area. | 04-09-2009 |
| 20090092122 | TIME SYNCHRONIZATION OF FEMTOCELL - Time synchronization of an access point base station. The method may include receiving an assignment message from a service provider comprising a plurality of parameters. The plurality of parameters may include an access point base station frequency assignment, a network identifier, an access point base station identifier, a neighbor list, a PN offset, and/or a scrambling code. The access point base station may then synchronize with the macro base station. Synchronizing may include searching for a strongest macro base station in the neighbor list, synchronizing a long code of the access point base station to the macro base station, estimating a propagation delay between the macro base station and the access point base station, and initializing a state of the access point base station PN code using the propagation delay to provide system time synchronization. | 04-09-2009 |
| 20090092096 | AUTOMATIC PROVISIONING OF FEMTOCELL - Automatic provisioning of an access point base station or femtocell. The method may include the femtocell transmitting first information (e.g., location information, signal measurement information, capability information, etc.) to a service provider (e.g., over an IP network). The femtocell may receive second information from the service provider, where the second information includes one or more operational parameters. The operational parameters may include hand-off parameters, admission policy information, PN or scrambling codes, power parameters, and/or other parameters. The femtocell may operate according to the received parameters to provide access for a plurality of access terminals in a local area. | 04-09-2009 |
| 20090092078 | AUTOMATIC PROVISIONING OF ADMISSION POLICY FOR FEMTOCELL - Automatic provisioning of an access point base station or femtocell. The method may include the femtocell transmitting first information (e.g., location information, signal measurement information, capability information, etc.) to a service provider (e.g., over an IP network). The femtocell may receive second information from the service provider, where the second information includes one or more operational parameters. The operational parameters may include hand-off parameters, admission policy parameters, PN or scrambling codes, power parameters, and/or other parameters. The femtocell may operate according to the received parameters to provide access for a plurality of access terminals in a local area. | 04-09-2009 |
| 20090082010 | FEMTOCELL BASE STATION WITH MOBILE STATION CAPABILITY - A communication device that includes a femtocell base station and a mobile station transmitter/receiver. The femtocell base station may provide bidirectional internet protocol (IP) communication for one or mobile devices to a cellular network. The femtocell base station may be operable to communicate with the cellular network using a wide area network. The mobile station transmitter/receiver may be coupled to the femtocell base station (in a same housing). The mobile station transmitter/receiver may be operable to perform radio frequency (RF) wireless communication with the cellular network, e.g., to detect and/or report environmental parameters, performing testing (e.g., loopback testing), and/or provide communication for the one or more mobile devices (e.g., when the wide area network is down), among others. | 03-26-2009 |
| 20090061892 | LOCATION ASSISTED CONNECTION TO FEMTOCELL - A method for connecting to an access point base station is presented in the application. Current location information of the mobile access terminal may be determined. The current location information may be determined using positioning location circuitry of the mobile access terminal to determine the current location information. Alternatively, the current location information may be determined by receiving the current location information from an external source. The mobile access terminal may determine the current location based on signals from macro base stations or other base stations, e.g., using triangulation. If the current location information indicates, the mobile access terminal may then connect to an access point base station. | 03-05-2009 |
| 20080209302 | SYSTEM AND METHOD FOR F-SCCH AND R-ODCCH PERFORMANCE IMPROVEMENT - A control channel encoder, e.g., in a UMB system, uses a channel structure that can efficiently transmit more information bits, yet achieve sufficient detection and false alarm performance. A control channel encoder can use a fixed encoder packet size, tail-biting convolutional coding, and Cyclical Redundancy Check (CRC). A control channel decoder can use a circular Viterbi decoding algorithm and a circular trellis check. | 08-28-2008 |
