Patents
Patents for H04J 13 - Code division multiplex systems (21,510)
03/1996
03/13/1996EP0701337A2 Mobile communication system using various multiple access methods
03/13/1996EP0700612A1 Method and apparatus for time division multiplexing the use of spreading codes in a communication system
03/13/1996CN1118562A A frequency error correction device of a spread-spectrum communication receiver
03/12/1996US5499236 Synchronous multipoint-to-point CDMA communication system
03/07/1996WO1996007246A1 Power control method in a cellular communication system, and a receiver
03/06/1996EP0700170A2 A method and apparatus for spread spectrum code pulse position modulation
03/05/1996US5497424 Spread spectrum wireless telephone system
03/05/1996US5497395 Method and apparatus for modulating signal waveforms in a CDMA communication system
03/01/1996CA2153711A1 Method and apparatus for spread spectrum code pulse position modulation
02/1996
02/29/1996WO1996006490A1 Multi-band, multi-mode spread-spectrum communication system
02/29/1996CA2197332A1 Multi-band, multi-mode spread-spectrum communication system
02/27/1996US5495498 Spread spectrum communication apparatus
02/22/1996WO1996005669A1 Synchronous multipoint-to-point cdma communication system
02/22/1996WO1996005668A1 Multiple access coding using bent sequences for mobile radio communications
02/22/1996WO1995035637A3 Data transmission method, base station, and subscriber terminal
02/22/1996CA2643172A1 Multiple access coding using bent sequences for mobile radio communications
02/22/1996CA2643142A1 Multiple access coding using bent sequences for mobile radio communications
02/22/1996CA2197757A1 Synchronous multipoint-to-point cdma communication system
02/21/1996EP0697799A2 Code division multiple access communication system
02/21/1996CN1117333A Method and apparatus for creating a composite waveform
02/21/1996CN1117225A A transmission power control method of a spread-spectrum communication system, and a spread-spectrum communication system employing the control method
02/15/1996WO1996004731A1 Method and apparatus for a radio system operating on shared communication channels
02/15/1996WO1996004716A1 Method and apparatus for performing code acquisition in a cdma communications system
02/14/1996EP0696856A2 DS/CDMA receiver having an interference cancelling function capable of assuring a desired reception quality in a narrow-band DS/CDMA system
02/14/1996CN1116891A Method and apparatus for multi-phase component downconversion
02/14/1996CN1116889A Time alignment in a CDMA system
02/13/1996US5491718 CDMA radiotelephone having optimized slotted mode and long code operation
02/07/1996EP0695484A1 Time alignment in a cdma system
02/07/1996CN1116475A Communication process in a radio telephone system
02/06/1996US5490165 Demodulation element assignment in a system capable of receiving multiple signals
02/06/1996US5490136 Method of controlling transmission on a same radio channel of variable-rate information streams in radio communication systems
02/01/1996WO1996002987A1 Method and apparatus for simulating interference received by subscribers in a spread spectrum communications system
02/01/1996WO1996002986A1 Method and apparatus for simulating user interference in a spread spectrum communications system
02/01/1996WO1995034174A3 Spread aloha cdma data communications
02/01/1996CA2170636A1 Method and apparatus for simulating user interference in a spread spectrum communications system
02/01/1996CA2170517A1 Method and apparatus for simulating interference received by subscribers in a spread spectrum communications system
01/1996
01/31/1996CN1116020A A wireless packet data communications modem and method of use therein
01/30/1996US5488631 Wireless direct-sequence spread spectrum TDMA communications system
01/25/1996WO1996002101A1 Method and system for simultaneously broadcasting and receiving digital and analog signals
01/25/1996WO1996002097A1 Reverse link, closed loop power control in a code division multiple access system
01/24/1996EP0693834A1 Method and system for cdma mobile radio communication
01/24/1996CN1115555A Transmission power control method in CDMA system and mobile station using the same
01/17/1996CN1115196A Navigation assistance for call handling in mobile telephone systems
01/17/1996CN1115195A Code division multiplex transmitter/receiver
01/15/1996CA2153617A1 Cdma receiving apparatus
01/11/1996WO1996001012A1 A method and apparatus for identifying a coded communication signal
01/11/1996CA2167709A1 A method and apparatus for identifying a coded communication signal
01/04/1996WO1996000471A1 Cdma demodulation circuit and demodulating method
01/04/1996WO1996000466A1 Adaptive sectorization in a spread spectrum communication system
01/03/1996CN1114521A Method and apparatus for power estimation in a communication system
01/02/1996US5481561 Fully meshed CDMA network for personal communications terminals
01/02/1996US5481533 Hybrid intra-cell TDMA/inter-cell CDMA for wireless networks
12/1995
12/28/1995WO1995035637A2 Data transmission method, base station, and subscriber terminal
12/27/1995EP0689310A1 Method, transmitter and receiver for transmitting information by packets
12/27/1995EP0689302A1 Control signal for receivers, device for synchronisation and equalisation, method for synchronisation and receivers therefor
12/27/1995EP0584248A4 Dual mode transmitter and receiver
12/26/1995US5479442 Spectrum spread receiver and spectrum spread transmitter-receiver including same
12/25/1995CA2152517A1 Method, transmitter and receiver for the transmission of information in packets
12/24/1995WO1996000470A1 Method and device for receiving code-division multiplex signal
12/24/1995CA2162569A1 Method and apparatus for receiving code division multiple access signal
12/22/1995CA2152223A1 Receiver control signal, synchronization device, equalization device, synchronization process and corresponding receivers
12/21/1995WO1995035002A1 Method of providing service and data rate negotiation in a mobile communication system
12/20/1995CN1113669A Method and apparatus for operating with a hopping control channel in a communication system
12/14/1995WO1995034174A2 Spread aloha cdma data communications
12/14/1995WO1995030289A3 A direct sequence cdma coherent uplink detector
12/13/1995EP0687084A2 Variable bandwidth communication system
12/13/1995EP0687077A2 Radio transmission system with mobile stations using a intelligent frequency hopping method
12/13/1995EP0687074A2 Spread spectrum communication method
12/13/1995CN1113369A A CDMA communications method and system
12/12/1995US5475707 Broadband communications system
12/06/1995EP0685132A1 Fully meshed cdma network for personal communications terminals
12/06/1995EP0685129A1 Method and system for the dynamic modification of control parameters in a transmitter power control system
11/1995
11/28/1995US5471469 Method of resolving media contention in radio communication links
11/28/1995US5471463 Radio communication systems
11/22/1995EP0683570A2 Transmission power control for mobile radio communications using a CDMA and Viterbi coding
11/22/1995CN1112385A Time alignment of transmission in a down-link of a CDMA system
11/22/1995CN1112384A Non-continuous transmission for seamless handover in DS-CDMA systems
11/21/1995US5469470 Spread spectrum communication system using two-predetermined-code pseudo-noise signals
11/21/1995US5469468 For communicating data from a satellite to remote pager units
11/15/1995EP0682423A2 Code division multiple access system providing variable data rate access to a user
11/15/1995EP0682419A2 Transmission power control for mobile radio using open and closed loop
11/15/1995EP0682418A2 Transmission power control for mobile radio
11/15/1995EP0682417A2 Transmission power control setting transmission power according to number of consecutive transmission power control bits having same value
11/14/1995US5467367 Spread spectrum communication apparatus and telephone exchange system
11/09/1995WO1995030289A2 A direct sequence cdma coherent uplink detector
11/09/1995WO1995024102A3 Method for transmitting calls of different priorities in a cellular network
11/08/1995EP0681377A2 Frequency hopping in digital cellular networks
11/08/1995EP0680675A1 Communication process in a radio telephone system
11/08/1995CN1111434A A digital communication system and a primary station for use in such a system
11/07/1995US5465269 Method and apparatus for encoding and decoding a supplementary signal
11/02/1995WO1995024771A3 Data transmission method, base station equipment and mobile station
11/02/1995WO1995022210A3 Dynamic sectorization in a spread spectrum communication system
11/02/1995EP0680168A2 System and method for optimizing spectral efficiency using time-frequency-code slicing
11/02/1995EP0680167A2 Spread code generation device for spread spectrum communication
11/02/1995EP0680160A2 Method and apparatus for transmission power control of a mobile station during soft handoff in a CDMA system
11/02/1995EP0679300A1 A wireless packet data communications modem and method of use therein
11/01/1995CN2211682Y Power wire switch with lighted digit display
10/1995
10/31/1995US5463660 Block-spreading code-division multiple-access demodulator with improved interference cancellation
10/31/1995US5463657 Detection of a multi-sequence spread spectrum signal
10/28/1995CA2147922A1 Transmission power control method in cdma system and mobile station using the same