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)
11/1998
11/03/1998US5832025 For receiving a spread spectrum signal
11/03/1998CA2127819C Smooth spectrum spreading with a small spreading factor
10/1998
10/28/1998EP0874492A2 Deinterleaver
10/28/1998EP0874452A2 Reception circuit for cellular telephone
10/28/1998EP0873598A1 A method for direct sequence spreading of a data sequence (dsss)
10/28/1998EP0873593A1 Timing adjustment control for efficient time division duplex communication
10/28/1998CN1197583A Method for selecting the way to perform a handover, and a cellular radio system
10/28/1998CN1197561A Data tranmission method, and a cellular radio system
10/28/1998CN1197237A Deinterleaver
10/27/1998US5828659 Time alignment of transmission in a down-link of CDMA system
10/22/1998WO1998047253A1 Cdma communication method
10/22/1998WO1998047246A1 Base station apparatus of mobile communication system
10/22/1998WO1998027802A3 Power spectral density technique
10/22/1998CA2278755A1 Code division multiple access communication method
10/21/1998EP0872145A1 A method for improving the reliability of a handover and call establishment, and a cellular radio system
10/21/1998EP0872140A1 A method for selecting the way to perform a handover, and a cellular radio system
10/21/1998EP0872062A2 Apparatus and method of controlling transmitting power and transmit rate of a wireless telecommunications system
10/21/1998EP0872061A1 A data transmission method, and a cellular radio system
10/21/1998EP0872039A1 Method for providing angular diversity, and base station equipment
10/21/1998EP0872038A1 Base station equipment, and a method for steering an antenna beam
10/21/1998EP0872037A1 Base station equipment, and a method for steering an antenna beam
10/21/1998EP0872026A1 Apparatus and method of establishing and maintaining communication paths in a wireless telecommunications system
10/21/1998EP0801856A4 Spread-spectrum system and method
10/21/1998EP0533887B1 Method and apparatus for accommodating a variable number of communication channels in a spread spectrum communication system
10/21/1998CN1196847A Signal transmitting method, mobile station device and base station device for CDMA mobile communication
10/21/1998CN1196845A Method and apparatus for rate determination in communication system
10/20/1998US5825805 Spread spectrum communication system
10/15/1998WO1998045968A1 Method and device for cdma duplex data communication
10/14/1998EP0871297A2 Communication system, transmitter and receiver
10/14/1998EP0870370A1 Method and apparatus for providing antenna diversity in a portable radiotelephone
10/14/1998EP0870361A1 Efficient parallel-stage power amplifier
10/14/1998EP0635183A4 Code division multiple access (cdma) inbound messaging system utilizing re-use of sequences.
10/13/1998US5822363 Transmission process having spectrum spread phase differential modulation adn demodulation using orthogonal pseudorandom sequences
10/13/1998US5822360 Method and apparatus for transporting auxiliary data in audio signals
10/08/1998WO1998044688A1 Method for transmitting on a plurality of transmission media, with dynamic data dispatching, and corresponding transmitter and terminal
10/08/1998WO1998044656A1 Frequency-sharing mobile communication system equipped with diversity receiver incorporated with shared-wave canceler
10/08/1998WO1998044651A1 Data transfer method and system in low voltage networks
10/08/1998DE19714386C1 Verfahren und Anordnung zur Datenübertragung in Niederspannungsnetzen Method and apparatus for data transmission in low voltage distribution systems
10/08/1998CA2256556A1 Method for transmitting on a plurality of transmission media, with dynamic data dispatching, and corresponding transmitter and terminal
10/07/1998EP0869632A1 Two-phase/four-phase modulated comb-shaped spread spectrum communication system
10/06/1998US5818871 Method for providing service and rate negotiation in a mobile communication sytstem
10/06/1998US5818868 Direct-sequence spread-spectrum receiver including code acquisition and detection using an autoadaptive threshold
10/06/1998US5818827 Radio communication device and radio communication method
10/06/1998US5818820 Method and system for data link expansion or contraction using spread spectrum TDMA communication
10/06/1998CA2072373C Shared-carrier frequency hopping
10/01/1998WO1998043378A1 Hierarchical resource hopping for variable resource size communication systems
10/01/1998WO1998043377A1 Hierarchical resource management method, system, base station, head-end unit, and subscriber unit for variable resource size communication systems
10/01/1998WO1998043373A1 Systems and methods of channel coding and inverse-multiplexing for multi-carrier cdma systems
09/1998
09/30/1998EP0868082A2 Transparent embedment of data in a video signal
09/30/1998EP0867970A2 Radio transmitting apparatus and gain control method for the same
09/30/1998EP0867077A2 Re-orthogonalization of wideband cdma signals
09/30/1998EP0700612A4 Method and apparatus for time division multiplexing the use of spreading codes in a communication system
09/30/1998CN1194759A Connection establishment method and radio system
09/30/1998CN1194741A Self caliberation apparatus and method for communication device
09/30/1998CN1194510A Position diversity reception, base station main frame apparatus and processing method for receiving signal
09/29/1998US5815812 Soft handoff system of spread spectrum communication
09/29/1998US5815798 Apparatus and method of controlling transmitting power in a subscriber terminal of a wireless telecommunications system
09/29/1998US5815526 Signal comprising binary spreading-code sequences
09/29/1998US5815497 Method of transmission by packets between a plurality of transmitters and at least one receiver and transmitter and receiver implementing this method
09/29/1998CA2139259C Ds/cdma receiver using parallel-operating multi-purpose correlators
09/29/1998CA2083776C Digital communication system using superposed transmission of high speed and low speed digital signals
09/24/1998WO1998042094A1 Direct spread spectrum communication system corresponding to delayed multiplex mode, and method of communication using the system
09/24/1998WO1998042093A1 Calibration device for array antenna wireless receiver
09/24/1998WO1998042079A2 A method of chip interleaving in direct sequence spread spectrum communications
09/23/1998EP0866588A2 High data rate spread spectrum transceiver and associated methods
09/23/1998CN1194071A Code division multiple access with clipping function
09/22/1998US5812938 Reverse link, closed loop power control in a code division multiple access system
09/22/1998US5812543 Mobile communication method and system
09/22/1998US5812542 Method for determining weighting coefficients in a CDMA radio receiver
09/22/1998US5812522 Method of radio frequency communications
09/17/1998WO1998040972A2 Code division multiple access communication system
09/17/1998WO1998034402A3 Method and apparatus for line or frame-synchronous frequency hopping of video transmissions
09/17/1998DE19811066A1 Information signal distribution apparatus for CDMA system
09/16/1998CN1193225A Searching device used in CDMA receiver and method thereof
09/15/1998US5809093 Apparatus and method of frame aligning information in a wireless telecommunications system
09/15/1998US5809089 Receiving unit, soft information data processor and decoding method thereof used for a code division multiple access system
09/15/1998US5809067 Wireless packet data communications modem and method of use therein
09/15/1998US5809060 Apparatus for communicating data between at least two data devices
09/15/1998US5809058 Code division multiple access signal receiving apparatus for base station
09/15/1998US5809020 Method for adaptively adjusting weighting coefficients in a cDMA radio receiver
09/11/1998WO1998039882A1 Improvements in ultrafast time hopping cdma-rf
09/11/1998CA2262955A1 Improvements in ultrafast time hopping cdma-rf
09/09/1998EP0863643A2 Differential PSK signalling in CDMA networks
09/09/1998EP0863631A2 Audio data transmission and recording
09/09/1998CN1192833A Linear coverage area antenna system for a CDMA communication system
09/09/1998CN1192831A Apparatus and method of establishing and maintaining communication paths in a wireless telecommunications system
09/09/1998CN1192614A Audio data transmission apparatus and method, audio data recording apparatus, and audio data recording medium
09/08/1998US5805583 Process for communicating multiple channels of digital data in distributed systems using synchronous code division multiple access
09/08/1998US5805581 Mobile communication system using various multiple access methods
09/08/1998US5805567 Orthogonal modulation scheme
09/03/1998WO1998038758A2 Orthogonal code synchronization system and method for spread spectrum cdma communications
09/03/1998WO1998027504A3 Method and apparatus for embedding auxiliary data in a primary data signal
09/02/1998CN1192304A Automatic power control system for a code division multiple access (CDMA) communication system
09/02/1998CN1192300A Timing adjustment control for efficient time division duplex communication
09/02/1998CN1192110A CDMA cellular radio transmission system
09/02/1998CN1192109A CDMA radio transmission system
09/02/1998CN1192089A Demodulator for demodulation spread spectrum signal and its method
09/02/1998CN1192086A Method for managing status and dual information of clock distributor
09/01/1998US5802046 Efficient time division duplex communication system with interleaved format and timing adjustment control
08/1998
08/26/1998CN1191462A Hand-off method in personal communication service system
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