Patents
Patents for H04J 13 - Code division multiplex systems (21,510)
07/2005
07/27/2005CN1647414A Channel quality feedback for power control in a CDMA system
07/27/2005CN1212748C Method for controlling channel handover in wireless terminal and cellular radio communication network
07/27/2005CN1212715C Method and apparatus for generating clock signal, network center and transmitting/receiving device
07/27/2005CN1212604C Speech synthesizer based on variable rate speed coding
07/26/2005US6922569 Method of transmitting calls in a cellular type telecommunications system using adjacent carrier frequency bands
07/26/2005US6922451 Frequency shifting circuit and method
07/26/2005US6922450 Direction of arrival estimator and direction of arrival estimation method
07/26/2005US6922435 Method and apparatus for generating PN sequences at arbitrary phases
07/26/2005US6922431 Communication using spread spectrum methods over optical fibers
07/26/2005US6922406 Method of synchronizing base stations
07/26/2005CA2089632C Information transfer system, a transmitter, a receiver and a record carrier for use in the system
07/21/2005WO2005067187A1 Transmitter and method for scrambled bit transmission
07/21/2005WO2005067167A1 Forward power control method in cdma system
07/21/2005US20050159178 Method for improving the performances of a mobile radiocommunication system using a power control algorithm
07/21/2005US20050157637 Cell search method for orthogonal frequency division multiplexing based cellular communication system
07/21/2005DE10359268A1 Vorrichtung zum Erzeugen von Verwürfelungscodes und Präambeln An apparatus for generating scrambling codes and preamble
07/21/2005DE10036930B4 Verfahren zur Sendeleistungseinstellung in einem Funksystem A method for transmission power adjustment in a radio system
07/20/2005EP1555783A2 Pilot-based channel estimation method for MC-CDMA system using frequency interleaving
07/20/2005EP1555768A1 Data encoding for static MIMO channels
07/20/2005EP1555766A2 CDMA mobile communication system and method with consideration of fading
07/20/2005EP1436929B1 System and method for spread spectrum communication
07/20/2005EP1183806A4 Apparatus and method for gated transmission in cdma communication system
07/20/2005EP1142148A4 Interleaving / deinterleaving device and method for communication system
07/20/2005EP1088409A4 Method of providing burst timing for high-speed data transmission in a base station transceiver system of a mobile communication system
07/20/2005EP0830770B1 Method and apparatus for determining coding rate in a wireless communication system
07/20/2005CN1643970A Allocation of channelisation code based on cost function
07/20/2005CN1643825A Base station apparatus and communication terminal apparatus
07/20/2005CN1643811A Selective combining of multiple non-synchronous transmissions in a wireless communication system
07/20/2005CN1642351A Method for carrying out handoff between macrocell and microcell in hierarchical cell structure
07/20/2005CN1642343A Method for limiting random of mobile terminal in CDMA network
07/20/2005CN1642312A Base station apparatus and wireless transmission method
07/20/2005CN1642210A Method for setting call datailed record in CDMA precharging business
07/20/2005CN1642075A System and method for protecting received and transmitted data by parity check bit
07/20/2005CN1642058A Wireless link multiplexing method for time-division duplex CDMA mobile communication system
07/20/2005CN1642056A Down flexible position mode rate matching method for broadband CDMA
07/20/2005CN1642055A Mobile station observation time difference measuring method for WCDMA communication system
07/20/2005CN1642054A Method for realizing integration husiness of channel using CDMA system
07/20/2005CN1642053A Method and device for dynamaically saving GPS time
07/20/2005CN1642044A Method for reducing interference of PHS base station and mobile phone to WCDMA system
07/20/2005CN1642033A Forward power control method for CDMA system
07/20/2005CN1211969C Device and method used for double othogonal code jump multi-address communication system
07/20/2005CN1211968C Match filter for CDMA communication system
07/20/2005CN1211966C Method and system for fast synchronization of uplink
07/20/2005CN1211965C Sending and receiving installation for synchronous CDMA network of multipoint-to-one-point and capturing method thereof
07/20/2005CN1211952C Transmission diversity method
07/20/2005CN1211941C Orthogonal code synchronization system and method for spread spectrum CDMA communications
07/20/2005CN1211940C Data transmitting machine and receiver of extensionable frequency spectrum communication system using pilot frequency channels
07/19/2005US6920602 Turbo encoding/decoding device and method for processing frame data according to QoS
07/19/2005US6920173 Spread-spectrum signal receiver apparatus and interference cancellation apparatus
07/19/2005US6920123 Cell search method in wireless communication network
07/19/2005US6920118 Method and apparatus for communicating heterogeneous data traffic
07/14/2005WO2005064953A1 A soft handoff method in cdma system
07/14/2005WO2005064832A1 Method and system for allocation of channelisation codes in a code division multiple access system
07/14/2005WO2005062698A2 System and method for managing protocol network failures in a cluster system
07/14/2005US20050153726 Transmission power correcting method, mobile communications system and mobile station
07/14/2005US20050153721 Frame synchronization for a mobile communication system
07/14/2005US20050153671 Wireless communication apparatus and transmission power control method thereof
07/14/2005US20050153654 Method and system for leaving a communication channel in a wireless communications system
07/14/2005US20050152460 Transmitting/receiving system, receiver and transmitter with crosstalk suppressing function
07/14/2005US20050152438 Communications apparatus, communications system, and communications method
07/14/2005US20050152265 Apparatus for production of scrambling codes and preambles
07/13/2005EP1553716A2 Apparatus and method for synchronizing an SCDMA upstream or any other type upstream to an MCNS downstream or any other type downstream with a different clock rate than the upstream
07/13/2005EP1553715A1 A method for decide cdma frequency hard hand-off
07/13/2005EP1553709A2 Wireless base station apparatus and wireless communication method
07/13/2005EP1553708A1 Wireless communications system with secondary synchronization code based on values in primary synchronization code
07/13/2005EP1476965A4 Code allocation based on cross code correlation
07/13/2005EP1060588A4 Apparatus for incorporating multiple data rates in an orthogonal direct sequence code division multiple access (ods-cdma) communications system
07/13/2005CN1640172A Communication system, transmitter/receiver, and transmitting/receiving method
07/13/2005CN1640169A Communication system employing multiple handoff criteria
07/13/2005CN1640165A Method and device for searching and selecting cell
07/13/2005CN1640088A Transmission method of communication apparatus
07/13/2005CN1640063A Coexistence of stations capable of different modulation schemes in a wireless local area network
07/13/2005CN1640040A A method for coding and applying spread spectrum multiple access codes with intergroup zero correlation windows
07/13/2005CN1640038A A method for coding and applying void time spread spectrum multiple access codes
07/13/2005CN1640036A A method to form orthogonal spread spectrum code groups having inter-group zero correlation window characteristic
07/13/2005CN1640035A Method for assigning variable-length walsh codes for code division multiple access communications systems
07/13/2005CN1640018A Maintaining a maintenance channel in a reverse link of a wireless communications system
07/13/2005CN1640008A Method and apparatus for estimating power required for transmission of data at a rate in a communication system
07/13/2005CN1640007A Reverse link power controlled repeater
07/13/2005CN1640002A System and method for coordination of wireless maintenance channel power control
07/13/2005CN1638527A Method of transmitting control data in CDMA mobile communication system
07/13/2005CN1638493A Method of distinguishing MBMS service request from other service request
07/13/2005CN1638370A Cell search method for orthogonal frequency division multiplexing based cellular communication system
07/13/2005CN1638356A Transmitter device and relay device for performing data transmission control
07/13/2005CN1638342A System and method for managing protocol network failures in a cluster system
07/13/2005CN1638327A Encryption device and program and method used along with the same
07/13/2005CN1638305A Method for improving the performances of a mobile radiocommunication system using a power control algorithm
07/13/2005CN1210902C Timing method for CDMA vocoder system business frame
07/13/2005CN1210901C Resource allocation method on switching for CDMa base station system
07/13/2005CN1210878C Method and device for transmitting data
07/13/2005CN1210648C Fast slewing pseudorandom noise sequence generator and executing method thereof
07/12/2005US6917814 Method and mobile station for reporting multi-path signals based on a report window
07/12/2005US6917810 Optimization or circuit call setup and delivery associated with inter-MSC packet data handoff
07/12/2005US6917643 Diffusion code generator, CDMA communication apparatus using the same, and diffusion code generating method used therefor
07/12/2005US6917609 Method and apparatus for CDMA pn scanning at indoor and other obstructed locations
07/12/2005US6917607 Apparatus and method for gated transmission in CDMA communication system
07/12/2005US6917601 Spread spectrum remote unit
07/12/2005US6917599 Transmission power control system in mobile communication system
07/12/2005US6917581 Use of orthogonal or near orthogonal codes in reverse link
07/12/2005US6917281 Method and apparatus for transmitting and decoding pre-programmed messages