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| Number | Title | Issue Date |
| 7895500 | Systems and methods for reduced complexity LDPC decoding Systems and methods for generating check node updates in the decoding of low-density parity-check (LDPC) codes use new approximations in order to reduce the complexity of implementing a LDPC decoder, while maintaining accuracy. The new approximations approximate the... | 02/22/2011 |
| 7852962 | Systems and methods for implementing a data control channel in a wireless communication system A channel structure that can efficiently transmit more data control bits, e.g., required by future wireless communication systems, yet achieve sufficient detection and false alarm performance uses tail-biting convolutional coding and Cyclical Redundancy Check (CRC).... | 12/14/2010 |
| 7706453 | Iterative channel prediction Provided are systems, methods and techniques for predicting a communication channel parameter. In one representative embodiment, values of a communication channel parameter are estimated at a plurality of previous points in time, values are predicted for the communi... | 04/27/2010 |
| 7672286 | Reverse-link structure for a multi-carrier communication system A method and system for providing acknowledgment and/or data rate control (DRC) information with respect to data packets conveyed on a plurality of active forward link (FL) carriers. The number of reverse link (RL) carriers employed for the acknowledgment and/or DRC... | 03/02/2010 |
| 7672250 | Multi-carrier wireless communication access terminal and data transmission method A method, apparatus, and system permits an access terminal (“AT”) for a multi-carrier CDMA wireless communication system to concurrently receive data on N different-frequency carriers while restricting one or more parameters that affect data reception rate, so t... | 03/02/2010 |
| 7644223 | Circuit and method for patching for program ROM This invention discloses a system comprising a first comparator circuit configured to assert a first control signal in response to a first input number matching one of a first numbers stored therein, a second comparator circuit configured to assert a second control ... | 01/05/2010 |
| 7644116 | Digital implementation of fractional exponentiation Provided are digital processing apparatuses and techniques for estimating the fractional exponentiation of the base number 2, i.e., 2f where f is a fractional value. In one representative embodiment, a calculation is made of a folded quantity, which is eq... | 01/05/2010 |
| 7590094 | Tristate requests for flexible packet retransmission Extending acknowledgement messages from two states to at least three states is described, whereby such messages constitute a packet quality indication (PQI) reflecting quality or usability of the received signal. In an HARQ system, a transmitting station can flexibl... | 09/15/2009 |
| 7567536 | Active acknowledgment source selection A wireless communication mobile station (MS or UE) evaluates and categorizes an expected effectiveness of base stations (BSs or Node-Bs) in its Active Set for receiving uplink data, and instructs at least the less effective BSs to suppress some or all acknowledgment... | 07/28/2009 |
| 7564828 | Power-efficient signaling for asymmetric multi-carrier communications A method and system for reducing transmission power when signaling in groups. For a group of identically-sized signals a majority value can be determined. The majority value may be transmitted as an additional signal, and all indications of the group that match the ... | 07/21/2009 |
| 7486643 | Legacy-compatible signaling extension method for broadcast/multicast service indications A method of extending, for enabled stations, the number of information states conveyed by a signal employed by legacy (non-enabled) stations. The additional information states may convey a Broadcast/Multicast Service (BCMCS) Indication by means of tristate modulatio... | 02/03/2009 |
| 7470849 | Waveform generation for FM synthesis A method and system is disclosed for generating one or more predetermined waveforms from one or more contiguous segments of at least one prototype waveform stored in one or more memory tables, the method and system comprising iterations of following sample processin... | 12/30/2008 |
| 7450556 | Method and apparatus estimating cell interference and noise for CDMA packet data channels A method and apparatus for communicating data signals using a spread spectrum cellular network, the cellular network including a plurality of base stations coupled to the cellular network the mobile unit assigned to one of the plurality of base stations. The method ... | 11/11/2008 |
| 7450549 | Pilot signal enhancements for a wireless communication system In a method and apparatus suitable to convey timely information for facilitating accurate reception of transmitted data, a pilot signal is modulated to convey information. The information may facilitate efficient interpretation of an associated traffic signal. Modul... | 11/11/2008 |
| 7353039 | Power control of plural packet data control channels A method and apparatus for enabling more efficient use of plural packet data control channels (PDCCHs) that are associated with a common block of one or more packet data channels in a cellular communication system capable of high-speed data communications. Mobile st... | 04/01/2008 |
| 7224758 | Multiple transmit antenna weighting techniques Provided are techniques for the adjustment of antenna transmission weighting values in a communications system that utilizes multiple transmit antennas. A first signal is transmitted on a first multiplex channel via the multiple transmit antennas using a set of tran... | 05/29/2007 |
| 7145917 | Frame matching method and apparatus for use in a communication system A novel frame-matching method and apparatus in a communication system is disclosed. The frame matching method and apparatus of the present invention matches or aligns flexible length data (e.g., symbols) to standard-sized frames without the need for non-standard pun... | 12/05/2006 |
| 7062263 | Fast traffic channel reconnection system and method A method and apparatus for reducing call setup latency for a wireless device in a cellular network where the wireless device receives, stores, and analyzes base station overhead information to reduce the need to perform initialization after a call session terminates... | 06/13/2006 |
| 6930992 | Hybrid CDM/TDM signaling for packet acknowledgment A method and apparatus to provide a common signaling channel (CSC) for concurrently signaling a multiplicity of different mobile stations (MSs) to facilitate data communications with a base station (BS). Superframes of the CSC have a length related to the period of ... | 08/16/2005 |
