Patents
Patents for H04L 23 - Apparatus or local circuits for systems other than those covered by groups (1,371)
12/2003
12/30/2003US6671311 Receiver for use in a code shift keying spread spectrum communications system
12/24/2003WO2003107534A1 Cck demodulation via symbol decision feedback equalizer
12/18/2003US20030231709 Symbol-based decision feedback equalizer (DEF) optimal equalization method and apparatus with maximum likelihood sequence estimation for wireless receivers under multipath channels
12/10/2003CN1461540A Spread spectrum communication system utilizing differential code shift keying
11/2003
11/05/2003EP1118193B1 Encoding/decoding additional symbols in a communications system
10/2003
10/09/2003US20030189988 FIR chip for use in a wireless subscriber unit
10/08/2003EP1350310A2 Reduced soft output information packet selection
10/08/2003CN1448014A Method, transmitter and receiver for spread-spectrum digital communication by golay complementary sequence modulation
09/2003
09/25/2003US20030179811 Method, transmitter and receiver for spread-spectrum digital communication by golay complementary sequence modulation
09/17/2003EP1344321A1 System for identifying common digital sequences
09/09/2003US6618429 System and method for generating signal waveforms in a CDMA cellular telephone system
09/09/2003US6616254 Code shift keying transmitter for use in a spread spectrum communications system
08/2003
08/28/2003US20030163776 Interleavers and de-interleavers
08/28/2003US20030161421 Interference reduction in CCK modulated signals
08/20/2003CN1118961C Method and apparatus for tracking communication signal in radio communication system
08/14/2003US20030152168 Detection method for phase-modulated symbols with a correlator-bank
08/07/2003US20030147478 Complementary code keying demodulation system
07/2003
07/15/2003US6594317 Simple encoding/decoding technique for code position modulation
07/09/2003EP1325576A1 Spread spectrum communication system utilizing differential code shift keying
07/01/2003US6587516 Subscriber unit producing a modulated digital frequency
06/2003
06/25/2003CN1426641A Hybrid ARQ method with single constellation rearrangement
06/04/2003EP0740877B1 Method and device for transforming a series of data packets by means of data compression
06/03/2003US6574283 Communication method, transmission and reception apparatuses, and cellular radio communication system
05/2003
05/21/2003CN1109421C Method for producing orthogonal varying-length spread spectrum code and its device
05/14/2003EP1311095A1 Method, transmitter and receiver for spread-spectrum digital communication by golay complementary sequence modulation
05/06/2003US6560275 Interconnection process and interface using parallelized high-speed serial links
04/2003
04/24/2003US20030076898 Digital modulation system using extended code set
04/22/2003US6553517 Interleavers and de-interleavers
04/01/2003US6542557 Method and apparatus for high speed signaling
04/01/2003US6542554 Multiple description trellis coded quantization
03/2003
03/20/2003US20030053553 Subscriber unit producing a modulated digital frequency
03/20/2003US20030053519 System and method for generating signal waveforms in a CDMA cellular telephone system
03/19/2003EP1293059A1 Hybrid arq method with single constellation rearrangement
03/04/2003US6529559 Reduced soft output information packet selection
02/2003
02/20/2003US20030035489 Simple encoding/decoding technique for code position modulation
02/13/2003WO2003013090A1 Simple encoding/decoding technique for code position modulation
02/04/2003US6516040 Interconnection process and interface using parallelized high-speed serial links
01/2003
01/29/2003EP1280279A2 Method and device for transforming a series of data packets by means of data compression
01/01/2003CN1097933C Method and device for transforming a series of data packets by means of data compression
12/2002
12/12/2002US20020186651 M-ary orthogonal keying system
12/05/2002WO2002056567A3 Reduced soft output information packet selection
11/2002
11/12/2002US6480552 Soft output metrics generation for symbol detectors
10/2002
10/24/2002US20020154704 Reduced soft output information packet selection
10/17/2002US20020152218 System and method for unorchestrated determination of data sequences using sticky byte factoring to determine breakpoints in digital sequences
10/10/2002WO2002080483A1 Enhanced wireless packet data communication system, method, and apparatus apllicable to both wide area networks and local area networks
10/10/2002CA2818517A1 Enhanced wireless packet data communication system, method, and apparatus applicable to both wide area networks and local area networks
10/10/2002CA2704041A1 Enhanced wireless packet data communication system, method, and apparatus applicable to both wide area networks and local area networks
10/10/2002CA2704039A1 Enhanced wireless packet data communication system, method, and apparatus applicable to both wide area networks and local area networks
10/10/2002CA2704035A1 Enhanced wireless packet data communication system, method, and apparatus applicable to both wide area networks and local area networks
10/10/2002CA2704030A1 Enhanced wireless packet data communication system, method, and apparatus applicable to both wide area networks and local area networks
10/10/2002CA2442821A1 Enhanced wireless packet data communication system, method, and apparatus apllicable to both wide area networks and local area networks
09/2002
09/18/2002EP1018221B1 Method and circuit for the transmission of messages using approximated hermite functions
09/17/2002US6452958 Digital modulation system using extended code set
09/12/2002US20020126789 Interconnection process and interface using parallelized high-speed serial links
09/11/2002CN1090858C Complexity determining apparatus
09/10/2002US6449317 Digital synthesizer
09/05/2002US20020122464 Telemetry system having amplitude modulation of walsh functions
08/2002
08/29/2002WO2002067491A1 Hybrid arq method with single constellation rearrangement
08/22/2002US20020114415 Apparatus and method for serial data communication between plurality of chips in a chip set
07/2002
07/30/2002US6426978 Digital communication systems and methods for differential and/or amplitude encoding and decoding secondary symbols
07/25/2002US20020097781 Correlated spreading sequenes for high rate non-coherent communication systems
07/18/2002WO2002056567A2 Reduced soft output information packet selection
07/03/2002EP1220480A1 Data communication method, bidirectional data communication method, data communication system, bidirectional data communication system, data transmitter, and data receiver
06/2002
06/11/2002US6404732 Digital modulation system using modified orthogonal codes to reduce autocorrelation
05/2002
05/22/2002EP1207657A1 Detection method for phase-modulated CCK symbols with a correlator-bank
05/22/2002EP0536334B1 System and method for generating signal waveforms in a cdma cellular telephone system
05/21/2002US6393062 Methods and circuits for generating a preemphasis waveform
05/10/2002WO2002037689A1 System for identifying common digital sequences
05/10/2002CA2426577A1 System for identifying common digital sequences
05/09/2002US20020054658 Method and apparatus for high speed signaling
05/02/2002EP1202483A1 Correlated spreading sequences for high rate non-coherent communication systems
04/2002
04/30/2002US6381293 Apparatus and method for serial data communication between plurality of chips in a chip set
04/25/2002US20020048332 Non-coherent DP-MOK reception process with combination of multiple paths and corresponding receiver
04/18/2002WO2001080506A3 Receiver for use in a code shift keying spread spectrum communications system
03/2002
03/20/2002EP1188283A1 Equalization techniques for communication systems using orthogonal signaling
03/19/2002US6359951 Method and apparatus for high speed signaling
03/06/2002EP1184996A1 Non-coherent DP-MOK reception method with multipath combination, and receiver for carrying out the method
02/2002
02/28/2002WO2002017585A1 Method, transmitter and receiver for spread-spectrum digital communication by golay complementary sequence modulation
02/26/2002US6351498 Robust digital modulation and demodulation scheme for radio communications involving fading
02/21/2002US20020021762 Multi-band transmission & reception-signal-generating apparatus, multi-band transmission & reception-signal-generating method and multi-band-radio-signal-transmitting & receiving apparatus
01/2002
01/30/2002CN1333607A Multiple frequency band transmitted/received signal generator and generating method, and transmitter and receiver
01/17/2002WO2001041383A3 Code shift keying transmitter for use in a spread spectrum communications system
01/16/2002EP1172940A2 Multi-band transmission & reception-signal-generating apparatus
01/08/2002CA2085890C System and method for generating signal waveforms in a cdma cellular telephone system
11/2001
11/27/2001US6324218 Multiple description trellis coded quantization
11/15/2001WO2000062461A3 Interleavers and de-interleavers
11/07/2001CN1321383A Encoding/decoding additional symbols in communications system
11/01/2001US20010036241 Host signal processor modem and telephone
10/2001
10/25/2001WO2001080506A2 Receiver for use in a code shift keying spread spectrum communications system
10/02/2001US6298462 Data transmission method for dual diversity systems
09/2001
09/18/2001US6292663 Communication method, transmitter and receiver
09/13/2001WO2001067660A1 Orthogonal wavelength division multiplexing for optical networks
09/13/2001WO2001067652A1 Spread spectrum communication system utilizing differential code shift keying
09/06/2001US20010019591 Multiple description trellis coded quantization
08/2001
08/14/2001CA2099172C Data pipeline system and data encoding method
07/2001
07/31/2001US6269126 Data communication and radio system
07/25/2001EP1118193A1 Encoding/decoding additional symbols in a communications system
07/25/2001CN1305667A Method and device for quantizing input to soft decoders
07/18/2001EP1116365A1 Methods and circuits for generating a preemphasis waveform
07/11/2001EP1115232A2 Method and apparatus for monopulse operation of an array antenna
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