Patents
Patents for H04J 13 - Code division multiplex systems (21,510)
03/2001
03/07/2001EP1081883A2 System and method for boosting and monitoring
03/07/2001EP1081851A2 Limiting method and limiter apparatus
03/07/2001EP1081503A2 Position detecting method and apparatus
03/07/2001EP1080544A1 Method and apparatus for data transmission within a broad-band communication system
03/07/2001EP1080543A1 Method for controlling gated transmission of dedicated channel in w-cdma communication system
03/07/2001CN1286852A Device and method for generating spreading code and spreading channel signals using spreading code in CDMA communication system
03/07/2001CN1286851A Device and method for generating quasi-orthogonal code and spreading channel signals in mobile communication system
03/07/2001CN1286850A Apparatus and method of searching for PN sequence phase in multi-carrier CDMA mobile communication system
03/07/2001CN1286847A Device and method for transmitting preamble of access channel in mobile communication system
03/07/2001CN1286846A Radio communication equipment and communication method
03/07/2001CN1286844A Concatenated codes for spread spectrum communication
03/07/2001CN1286843A Device and method for multiplexing physical channel in CDMA communication system
03/07/2001CN1286839A Packet data communication device and method in mobile communication system
03/07/2001CN1286549A Step regulation method for closed-loop power control in WCDMA system
03/07/2001CN1286547A Spectrum-spreading multi-address interference cancel technique
03/07/2001CN1286542A Amplitude limit method and amplitude limiter device
03/07/2001CN1286537A Method for providing emission diversity of down link
03/07/2001CN1063002C Non-continuous transmission for seamless handover in DS-CDMA systems
03/06/2001US6198911 Controlling transmitter gain in a wireless telecommunications system
03/06/2001US6198763 Transmitter and receiver for spread-spectrum communication
03/06/2001US6198733 Forward-link sync-channel interleaving/de-interleaving for communication systems based on closed-form expressions
03/06/2001US6198719 Bi-orthogonal code division multiple access system
03/01/2001WO2001015367A1 Transmission circuit
03/01/2001WO2001015343A1 Base station device, communication terminal, and transmission power control method
03/01/2001DE19941092A1 Netzwerk mit einer Kennungsreduktion Network with a code reduction
03/01/2001DE19938095A1 Verfahren und Vorrichtung zum Einbringen von Informationen in ein Audiosignal und Verfahren und Vorrichtung zum Ermitteln von in einem Audiosignal eingebrachten Informationen Method and apparatus for introducing information into an audio signal and method and device for determining the introduced information in an audio signal
03/01/2001DE10038173A1 Generating multiple scrambling code for mobile telecommunications by setting start value according to requirement for primary or secondary scrambling code
03/01/2001CA2347372A1 Base station device, communication terminal, and transmission power control method
02/2001
02/28/2001EP1079644A1 Apparatus and method for specifying a base station by determining the present position of a communication apparatus
02/28/2001EP1079561A1 Method to assign upstream timeslots and codes to a network terminal and medium access controller to perform such a method
02/28/2001EP1079544A1 CDMA mobile radio system
02/28/2001EP1079541A1 Method for improving mobile radiocommunication system performances using a power control algorithm
02/28/2001EP1078547A1 Soft hand-off in cellular mobile communications networks
02/28/2001EP1078543A1 Code allocation for sectorised radiocommunication systems
02/28/2001EP1078486A1 Partially block-interleaved cdma coding and decoding
02/28/2001EP1078485A1 Data transmission over a communications link with variable transmission rates
02/28/2001EP1078478A1 Random access in a mobile telecommunications system
02/28/2001EP1078457A1 Sequence generator
02/28/2001CN1285985A Test facility for transceiver station
02/28/2001CN1285695A Method for configuration of telecommunication system
02/28/2001CN1285665A CDMA mobile radio system
02/28/2001CN1285661A Method for improving property of mobile radio communication system by power control algorithm
02/27/2001US6195343 Spectrum spread communication system
02/27/2001US6194996 Information transfer via power line carrier
02/22/2001WO2001013669A1 Method and apparatus for concurrently processing multiple calls in a spread spectrum communications system
02/22/2001WO2001013655A1 Method for communicating scrambling code id in mobile communication system
02/22/2001WO2001013552A1 Method and device for inserting information into an audio signal, and method and device for detecting information inserted into an audio signal
02/22/2001WO2001013547A1 Reception level measuring system
02/22/2001WO2001013541A2 Method for deep paging
02/22/2001WO2001013534A1 Method and apparatus for multiple access over a communication channel
02/22/2001WO2001013466A1 A method of canceling interference based on smart antenna
02/22/2001CA2380555A1 Method for deep paging
02/22/2001CA2380411A1 Method and apparatus for concurrently processing multiple calls in a spread spectrum communications system
02/21/2001EP1077577A1 Radio receiver and received power amplifying method
02/21/2001EP1077576A1 Method for configuring a telecommunication system
02/21/2001EP1077551A1 Interference signal eliminator
02/21/2001EP1077537A2 Method of providing downlink transmit diversity
02/21/2001EP1077534A1 A method for reporting transmit power usage in a variable bit rate mobile radiocommunication system
02/21/2001EP1077531A1 Transmitting/receiving device and transmitting/receiving method
02/21/2001EP1076970A2 Method and device for channel estimation
02/21/2001EP1076945A1 Method and base station system for assigning channels in a radio communications system
02/21/2001CN1284821A Method for reporting service condition of transmitting power in radio communication system
02/21/2001CN1284819A Interference counteracting method based on intelligent antenna
02/21/2001CN1284805A Method for dynamic allocation of channel code with different lengths in radio communication system
02/21/2001CN1284800A System for transmitting information in pilot channel of radio telecommunication system
02/20/2001US6192068 Multicode spread spectrum communications system
02/20/2001US6192067 Multistage interference canceller
02/20/2001US6191736 Data communication apparatus and data communication method
02/20/2001CA2206766C A practical means for digital generation and combination of a multiplicity of cdma/fdma signals
02/17/2001CA2315579A1 Method of providing downlink transmit diversity
02/15/2001WO2001011897A2 Method and apparatus for orthogonal code hopping multiplexing communications
02/15/2001WO2001011804A1 Method for carrying out handoff between macrocell and microcell in hierarchical cell structure
02/15/2001WO2001011795A1 Generating a cyclic sequence of frequencies
02/14/2001EP1076433A2 Method and base station for allocating pseudo noise code
02/14/2001EP1076425A2 CDMA wireless system with closed loop mode using 90 degree phase rotation and beamformer verification
02/14/2001EP1075769A1 Resource allocation
02/14/2001CN1284226A Method and system for generating complex pseudonoise sequence for processing code division multiple acess signal
02/13/2001US6188714 Parallel M-sequence generator circuit
02/13/2001US6188679 CDMA chip synchronization circuit
02/13/2001CA2094535C Improvements in or relating to radio communication systems
02/08/2001WO2001010068A1 Mobile communication system, base station, mobile communication terminal, and resending control method
02/08/2001WO2001010065A1 Acoustic communication system
02/08/2001WO2001010058A1 Transmission system of high speed signal in apparatus
02/08/2001WO2001010051A1 Data transmission method using repeated sets of spreading sequences, corresponding transmitter and receiver
02/07/2001EP1075104A2 Scrambling codes and channelization codes for multiple chip rate signals in CDMA cellular mobile radio communication system
02/07/2001CN1283006A Communication equipment, radio communication system and automatic gain control method of radio communication equipment
02/06/2001US6185266 Method and system for generating a power control metric in an orthogonal transmit diversity communication system
02/06/2001US6185246 System and method for orthogonal spread spectrum sequence generation in variable data rate systems
02/06/2001US6185244 Cell searching in a CDMA communications system
02/06/2001US6185199 Method and apparatus for data transmission using time gated frequency division duplexing
02/06/2001CA2091785C Synchronous spread spectrum communications system and method
02/06/2001CA2091784C Spread spectrum cdma communications system
02/01/2001WO2001008433A1 Cellular system and communication method according to multi-code cdma
02/01/2001WO2001008329A1 Base station transmitter and cdma mobile communication system comprising the same
02/01/2001WO2001008326A1 Chip-synchronous cdma multiplexer and method resulting in constant envelope signals
02/01/2001WO2001007932A1 Method and device for distance detection
02/01/2001WO2000054424A3 Method and apparatus for efficient synchronization in spread spectrum communications
02/01/2001CA2380353A1 Signal transmission device of base station and cdma movable communication system using same
01/2001
01/31/2001EP1073212A2 Wireless system with transmitter with multiple antennas and combining open loop and closed loop transmit diversity
01/31/2001EP1072120A1 Apparatus and method for allocating forward common channels in cdma communication system