Patents
Sitemap › H04 - Electric communication technique › H04J - Multiplex communication › H04J 13 - Code division multiplex systems
Patents for H04J 13 - Code division multiplex systems (21,510)
12/1996
12/03/1996US5581575 Method and apparatus for transmission of variable rate digital data
12/03/1996US5581548 Frequency and channel hopping communication in a TDMA cellular mobile radio system
12/03/1996US5581547 Random access communication method by CDMA and mobile station equipment using the same
12/01/1996CA2177556A1 Transmitter and receiver for orthogonal frequency division multiplexing signal
11/1996
11/28/1996WO1996037975A1 Method for providing angular diversity, and base station equipment
11/28/1996WO1996037974A1 Base station equipment, and a method for steering an antenna beam
11/28/1996WO1996037973A1 Base station equipment, and a method for steering an antenna beam
11/28/1996WO1996037956A1 Multiple transmission channel group transmitter
11/28/1996CA2222496A1 Multiple transmission channel group transmitter
11/27/1996EP0744846A1 Method for managing radio resources during packet transmission and transmitter and receiver for realizing the procedure
11/27/1996EP0744101A1 Method and apparatus for multiuser-interference reduction
11/25/1996CA2176786A1 Pseudo random noise sequence code generator and cdma radio communication terminal
11/24/1996CA2177122A1 Method for the management of radio resources during the transmission of packets
11/21/1996WO1996037083A1 A method for improving the reliability of a handover and call establishment, and a cellular radio system
11/21/1996WO1996037081A1 Credit bandwidth allocator for a radio system
11/21/1996WO1996033328A3 Advanced embedded code hopping system
11/19/1996US5577025 Signal acquisition in a multi-user communication system using multiple walsh channels
11/19/1996US5577024 Multiple access radio system
11/14/1996WO1996036145A1 Data transmission system with a low peak-to-average power ratio based on distorting frequently occurring signals
11/14/1996WO1996036144A1 Digital cdma multiplexer with adaptable number of channels
11/14/1996WO1996036132A1 Method and equipment for multirate coding and detection in a multiple access mobile communication system
11/13/1996EP0741932A1 Method and apparatus for a radio communication system
11/13/1996CN1135815A Multipath search processor for a spread spectrum multiple access communication system
11/12/1996US5574754 Sliding correlator
11/12/1996US5574747 Spread spectrum adaptive power control system and method
11/07/1996WO1996035268A1 Method of receiving and searching a signal transmitting in bursts
11/06/1996EP0741464A2 Transceiver synchronisation in a frequency hopping wireless LAN
11/05/1996US5572514 Spread spectrum communication system capable of detecting occupying state of channel by off-communication terminal
10/1996
10/31/1996WO1996034480A1 Method and apparatus for providing variable rate data in a communications system using statistical multiplexing
10/31/1996DE19615257A1 DS-CDMA rate receiver with subchip resolution
10/29/1996US5570351 Multi-user communication system employing spread signatures
10/29/1996US5570349 Wireless direct sequence spread spectrum digital cellular telephone system
10/25/1996CA2173885A1 Cdma rake receiver with sub-chip resolution
10/24/1996WO1996033328A2 Advanced embedded code hopping system
10/24/1996CA2220833A1 Advanced embedded code hopping system
10/23/1996EP0739089A2 Spread spectrum clock generator
10/22/1996US5568483 Method and apparatus for the formatting of data for transmission
10/22/1996US5568472 Code division multiple access mobile communication system
10/22/1996CA2174487A1 Receiving apparatus and communication apparatus
10/16/1996EP0738050A2 Spread spectrum communication apparatus
10/16/1996EP0738049A1 Spread spectrum signal receiver using an autoadaptive detection threshold
10/16/1996EP0737868A1 Delay locked loop for use in a GPS receiver
10/16/1996CN1133661A Method and apparatus for the transmission of variable rate digital data
10/16/1996CN1133660A Multirate serial viterbi decoder for code division multiple access system applications
10/16/1996CN1133658A Quadrature multiplexing of two data signals spread by different pnsquences
10/16/1996CN1133513A Data transmitter and receiver for pilot frequency channel adopted expanded frequency spectrum communication system
10/15/1996US5566206 Method and apparatus for determining data rate of transmitted variable rate data in a communications receiver
10/15/1996US5566165 Transmission power control method and a communication system using the same
10/15/1996US5566164 Practical means for digital generation and combination of a multiplicity of CDMA/FDMA signals
10/12/1996CA2173791A1 Delay locked loop for use in a gps signal receiver
10/10/1996WO1996031992A1 Mobile station user group operation
10/10/1996WO1996031960A1 A multi-user communication system architecture with distributed receivers
10/10/1996CA2216881A1 Mobile station user group operation
10/08/1996US5564074 Power control apparatus and method for a radiotelephone
10/08/1996US5563918 Method of selecting optimum frequency in skywave communication apparatus
10/08/1996US5563907 For use with a transmitter
10/02/1996DE19512189A1 Radio signal transmission method
10/02/1996CN1132581A Method of increasing signal quality by adjusting the spreading ratio in a CDMA cellular radio system
10/02/1996CN1132453A Interleaver for mobile communication systems
10/02/1996CN1132452A Method and apparatus for increasing spectrum efficiency
10/02/1996CN1132426A Information communication system of multi-complex coding CDMA form
10/01/1996CA2161258C A communication method for an adaptive direct sequence cdma communication system
09/1996
09/26/1996DE19522421C1 Spread spectrum transmission system
09/24/1996US5559829 Method of constructing a spreading code associated with one user of a direct sequence code division multiple access digital transmission system and corresponding method of generating a table
09/24/1996US5559788 Multiple channel quadrature communication system and method
09/19/1996WO1996022638A3 Orthogonal code division multiple access communication system having multicarrier modulation
09/18/1996EP0732013A1 Multipath search processor for a spread spectrum multiple access communication system
09/11/1996CN1130972A Data transmission method, base station, and subscriber terminal
09/11/1996CN1130962A Method and apparatus for performing code acquisition in CDMA communications system
09/11/1996CN1130851A Transmission power control method and apparatus for mobile communications using CDMA (code division multiple access) system
09/10/1996US5555268 Transceiver for transmitting a first stream of data symbols
09/06/1996WO1996027251A1 Method and receiver for demodulating a received signal
09/06/1996WO1996027250A1 Method and apparatus for providing variable rate data in a communications system using non-orthogonal overflow channels
09/06/1996WO1996027175A1 Alarm sensor multiplexing
09/06/1996CA2222143A1 Alarm sensor multiplexing
09/04/1996EP0730356A2 Communication system and method for transmitting data of different types
09/04/1996CN1130451A Method and apparatus for simulating interference received by subscribers in spread spectrum communications system
09/04/1996CN1130450A Method and apparatus for simulating user interference in spread spectrum communications system
09/03/1996US5553126 Secure anti-jamming wireless party line
09/03/1996US5553069 Radiocommunication system
08/1996
08/29/1996WO1996026582A1 Variable rate transmitting method, and transmitter and receiver using it
08/29/1996WO1996013907A3 Wireless dsss tdma communications system
08/28/1996EP0729250A2 OFDM transmission/reception system and transmitting/receiving apparatus
08/28/1996EP0729240A2 Code division multiple access cellular mobile radio systems
08/28/1996CN1130003A A method and apparatus for identifying a coded communication signal
08/27/1996US5550811 Sync acquisition and tracking circuit for DS/CDMA receiver
08/27/1996US5550809 Multiple access coding using bent sequences for mobile radio communications
08/22/1996WO1996025811A1 Method of resolving media contention in radio communication links
08/21/1996EP0727881A2 Spread spectrum communication apparatus
08/21/1996EP0727120A1 Method and apparatus for the transmission of variable rate digital data
08/21/1996EP0727115A1 Quadrature multiplexing of two data signals spread by different pn-sequences
08/21/1996EP0727112A1 Dual-mode wireless unit with two spread-spectrum frequency bands
08/21/1996EP0727111A1 Spread spectrum spectral density techniques
08/21/1996CN1129507A Method of providing service and negotiation in a mobile communication mobi
08/20/1996US5548583 Wireless telephone user location capability for enhanced 911 application
08/15/1996WO1996024992A1 Frequency hopped return link with net entry channel for a satellite personal communications system
08/15/1996CA2210920A1 Frequency hopped return link with net entry channel for a satellite personal communications system
08/14/1996EP0726659A2 Spread spectrum code detection apparatus
08/13/1996US5546424 Spread spectrum communication system
08/13/1996US5546381 Spread spectrum communication system and method, using sequentially phase shifted M-sequence codes
1 ... 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 ... 216