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Class Information
Number: 370/209
Name: Multiplex communications > Generalized orthogonal or special mathematical techniques > Particular set of orthogonal functions > Walsh functions
Description: Subject matter wherein the set of orthogonal functions consist of Walsh functions.










Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
7499391 Apparatus and method for allocating walsh codes to mobile stations in an adaptive antenna array wireless network Mar. 3, 2009
7496132 Pilot signals for synchronization and/or channel estimation Feb. 24, 2009
7489664 Method and apparatus for transmitting and receiving orthogonal code index information in a mobile communication system Feb. 10, 2009
7489621 Adaptive puncturing technique for multicarrier systems Feb. 10, 2009
7483490 Method for transmitting wideband signals via a communication system adapted for narrow-band signal transmission Jan. 27, 2009
7480279 Apparatus and method for transmitting a control message on a packet data control channel in a mobile communication system supporting a packet data service Jan. 20, 2009
7471622 Method of transferring and/or receiving data in communication system and apparatus thereof Dec. 30, 2008
7471932 System and method for embedding OFDM in CDMA systems Dec. 30, 2008
7460506 Apparatus and method for transmitting and receiving a cell identification code in a mobile communication system Dec. 2, 2008
RE40518 Channel assignment method for a base station in a mobile communication system Sep. 23, 2008
7426400 Wireless telecommunications overlay system Sep. 16, 2008
7424039 Method and apparatus for processing multiple common frequency signals through a single cable Sep. 9, 2008
7411899 Apparatus and method for allocating walsh codes to access terminals in an adaptive antenna array CDMA wireless network Aug. 12, 2008
7400614 Methods and apparatus for downlink diversity in CDMA using Walsh codes Jul. 15, 2008
7394793 Method and apparatus for generating preambles in a broadband wireless communication system using multiple antennas Jul. 1, 2008
7376076 Method for transferring and/or receiving data in communication system and apparatus thereof May. 20, 2008
7369486 Apparatus and method for increasing channel capacity of a mobile communication system May. 6, 2008
7352713 Multiplexed signal quality display system, method, and program, and storage medium storing the program Apr. 1, 2008
7349421 Method and apparatus for assigning spreading codes Mar. 25, 2008
7346038 Method for generating 2D OVSF codes in multicarrier DS-CDMA systems Mar. 18, 2008
7333469 Method for deep paging Feb. 19, 2008
7324436 Determining useable combinations of variables for transmitting a subpacket of an encoder packet Jan. 29, 2008
7321610 Method and system of interference cancellation in multi-cell CDMA systems Jan. 22, 2008
7308019 System and method for Fast Walsh Transform processing in a multi-coded signal environment Dec. 11, 2007
7302025 Efficient joint equalization/decoding method and apparatus for Complementary-Code-Keying based systems Nov. 27, 2007
7302020 Encoded multi-access bus system and method Nov. 27, 2007
7301892 Walsh mask test in CDMA cellular wireless communication systems with packet data service Nov. 27, 2007
7277382 Hybrid walsh encoder and decoder for CDMA Oct. 2, 2007
7272110 Method of allocating walsh code resource Sep. 18, 2007
7248698 System for generating pseudorandom sequences Jul. 24, 2007
7239604 OVSF code system and methods for CDMA stations Jul. 3, 2007
7239632 Method and apparatus for converging local area and wide area wireless data networks Jul. 3, 2007
7236512 Code channel allocations in a wireless communications system Jun. 26, 2007
7227836 Rate control device and method for CDMA communication system Jun. 5, 2007
7218617 Transmission method of downlink pilot channel in CDMA mobile communication system, and CDMA mobile communication system May. 15, 2007
7200179 Data transmission method, data reception method, data transport method, data transmission device, data reception device, data transfer system, and communication terminal Apr. 3, 2007
7173900 Method and apparatus for chip generation of a chip sequence Feb. 6, 2007
7154846 Shared channel structure, ARQ systems and methods Dec. 26, 2006
7116698 Generator of repetitive sets of spread spectrum sequences Oct. 3, 2006
7102994 Synchronization signal used to identify code groups Sep. 5, 2006
7095710 Decoding using walsh space information Aug. 22, 2006
7088267 Duplex-system digital-data transmitting method and apparatus Aug. 8, 2006
7088673 Dynamically-scalable system and method for multiple user access utilzing multi-bit and multi-code orthogonal multiplexing Aug. 8, 2006
7079592 Complementary code keying demodulation system Jul. 18, 2006
7075885 Method for assigning variable-length walsh codes for code division multiple access communications systems Jul. 11, 2006
7061965 Method and apparatus for assigning Walsh codes Jun. 13, 2006
7058151 Apparatus and method for achieving symbol timing and frequency synchronization to orthogonal frequency division multiplexing signal Jun. 6, 2006
7035663 Wireless telecommunications overlay system Apr. 25, 2006
7027494 Method for generating orthogonal spread codes in mobile communication system Apr. 11, 2006
7023872 Method and apparatus for assigning spreading codes Apr. 4, 2006

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