Patents
Patents for H04J 13 - Code division multiplex systems (21,510)
02/2002
02/27/2002EP0617864B1 Spread-spectrum data publishing system
02/27/2002CN1338189A Idle mode handling in a hybrid GSM/CDMA network
02/27/2002CN1338187A Apparatus and methods for channel allocation
02/27/2002CN1338162A Communication terminal and wireless communication method
02/27/2002CN1337838A Transmitting antenna diversity method and base-station apparatus and mobile station apparatus using said method
02/27/2002CN1337800A Wireless telecommunication system switch-over method of supporting upflow chain-path transmission plan
02/27/2002CN1337799A Operation and maintenance method of orthogonal variable bandspread factor code
02/27/2002CN1080053C Method and apparatus for digital combination of channel information in DS-CDMA communication system
02/27/2002CN1080048C Method and system for communication over multiple channels in spread spectrum communication
02/27/2002CN1080047C Signal transmitting method, transmitter, receiver and spread-code synchronizing method for mobile communication system
02/26/2002US6351486 Accelerated selection of a base station in a wireless communication system
02/26/2002US6351459 Control random access in mobile communication system without interrrupting continuous communications
02/26/2002US6351458 CDMA cellular wireless communication system
02/22/2002CA2351844A1 Method for enhancing mobile cdma communications using space-time transmit diversity
02/21/2002WO2002015504A1 Method for estimating channels in a radio system, particularly in a mobile radio system
02/21/2002WO2002015434A1 An apparatus and method for transmitting and receiving data according to radio link protocol in a mobile communications system
02/21/2002WO2002015426A1 Wire communication device, wire communication apparatus, wire communication method, and wire communication system
02/21/2002WO2001056172A3 Pn generators for spread spectrum communications systems
02/21/2002US20020022495 Apparatus and method for optimizing transmission power of network
02/21/2002US20020021762 Multi-band transmission & reception-signal-generating apparatus, multi-band transmission & reception-signal-generating method and multi-band-radio-signal-transmitting & receiving apparatus
02/21/2002US20020021744 CDMA spreading method and CDMA terminal apparatus
02/21/2002US20020021718 Method for the synchronization of at least one mobile station in a mobile telecommunication network with a modified synchronization channel structure
02/21/2002US20020021698 Data transmission method for hybrid ARQ type II/III uplink for a wide-band radio communication system
02/21/2002US20020021686 System for using rapid acquisition spreading codes for spread-spectrum communications
02/21/2002US20020021683 Method and apparatus for reducing amplitude variations and interference in communication signals, such as in wireless communication signals employing inserted pilot symbols
02/21/2002US20020021682 Communication method and its power control method
02/21/2002US20020021673 Method of taking account of traffic processing capacity, for traffic load control in a mobile radio network
02/20/2002EP1180908A1 Method for controlling the traffic load in a mobile communications network
02/20/2002EP1180867A1 Signal processor for multiplex communication system and signal processing method therefor
02/20/2002EP1180866A1 Base station apparatus and radio communication method
02/20/2002EP1180854A1 Power control with smart step size based on channel parameter measurements
02/20/2002CN1337125A Method for implementing multipoint codes in an exchange
02/20/2002CN1337105A CDMA communication system employing code sequence set having non-cross correlation region
02/20/2002CN1337102A Communication terminal device, station device and transmit power control method
02/20/2002CN1336738A Inner interleaver alogithm and device for in-situ real-time generation of wideband CDMA Turbo code
02/20/2002CN1079615C Code acquisition in CDMA communication system using multiple Walsh channel
02/20/2002CN1079614C Spread spectrum communication system
02/20/2002CN1079612C Efficient parallel-stage power amplifier
02/19/2002US6349109 Direct sequence spread spectrum differential receiver with mixed interference signal formation means
02/15/2002CA2351054A1 Method and apparatus for performing a voice dispatch call in a digital communication system
02/14/2002WO2002013570A1 Communication terminal, base station device, and radio communication method
02/14/2002WO2002013411A2 Method and apparatus for base station and mobile station time calibration
02/14/2002WO2001058041A3 Support of multiuser detection in the downlink
02/14/2002US20020019840 Apparatus for calculating a state of starting a PN code generating operation
02/14/2002US20020019245 Power control method and system in mobile communication networks
02/14/2002US20020018530 Transmission antenna diversity method, and base station apparatus and mobile station apparatus therefor in mobile communication system
02/14/2002US20020018529 Code division multiple access wireless system with time reversed spaced time block transmitter diversity encoding
02/14/2002US20020018520 Accelerated selection of a base station in a wireless communication system
02/14/2002US20020018457 Apparatus and method for allocating channel using OVSF code for uplink synchronous transmission scheme in a W-CDMA communication system
02/14/2002DE10038314A1 Verfahren zum Übertragen von Nutzdatenpaketen A method for transferring user data packets
02/14/2002DE10036930A1 Verfahren zur Sendeleistungseinstellung in einem Funksystem A method for transmission power adjustment in a radio system
02/13/2002EP1179962A2 Handover method in wireless telecommunication systems supporting USTS
02/13/2002EP1179905A1 Data transmitting apparatus and data transmitting method
02/13/2002EP1179904A1 Radio communication apparatus and radio communication method
02/13/2002EP1179902A1 Transmitter, receiver, and method of data transmission
02/13/2002EP1179893A1 Method and apparatus for transmission, and method and system for communication
02/13/2002EP1179736A2 Physical quantity display device for displaying physical quantity of multiple signals, method and recording medium
02/13/2002EP1179279A2 Prioritization and flow control of data packets for a spread spectrum multiuser channel
02/13/2002CN1336048A Spread spectrum multiple-address code quadrature transformation method
02/13/2002CN1336047A Communication system, transmitter and receiver and communication method
02/13/2002CN1336042A Asymmetrical forward/reverse transmission bandwidth in a CDMA system
02/13/2002CN1336040A Wide band radio transmission method
02/13/2002CN1335695A Outer loop power control method for WCDMA system
02/13/2002CN1335694A Multipath search and distribution method for CDMA system
02/12/2002US6347231 Transmission power control method using both a value compensated according to control data contained in base station signal and measured power of base station signal
02/12/2002US6347220 Multiple-beam antenna system of wireless base station
02/12/2002US6347112 Circuit for direct sequence spread spectrum digital transmissions with generation of an interference signal
02/12/2002CA2223212C Cdma multi-code transmitter
02/12/2002CA2206380C Ds-cdma transmission method
02/11/2002CA2354856A1 Physical quantity display device for displaying physical quantity of multiple signals, method and recording medium
02/07/2002WO2002011480A1 Base station apparatus and channel assignment method
02/07/2002WO2002011342A1 Method for transmitting data by means of chaotic signals
02/07/2002WO2002011334A1 Multicarrier cdma communication device
02/07/2002WO2002011333A1 Amplitude limiting circuit and code-multiplexing signal transmitter performing amplitude limiting
02/07/2002WO2002011313A1 Method and system for power control in mobile radio systems
02/07/2002WO2002011310A2 Method for regulating transmission power in a radio system
02/07/2002US20020016859 Method of transferring user data packets
02/07/2002US20020016179 Radio Communication system
02/07/2002US20020016178 Communication system for transferring large data from network interface to radio interface
02/07/2002US20020015436 Modulators, transmitters, a radio frequency identification device system and carrier signal suppression methods
02/07/2002US20020015425 Transceiver apparatus
02/07/2002US20020015423 Apparatus and method for trellis encoding data for transmission in digital data transmission systems
02/07/2002US20020015393 Adaptive uplink/downlink timeslot assignment in a hybrid wireless time division multiple access/code division multiple access communication system
02/07/2002DE10034714A1 Verfahren und Einrichtung zur Diversitätsübertragung codierter Information Method and apparatus for diversity transmission of encoded information
02/07/2002CA2416903A1 Method and system for power control in mobile radio systems
02/06/2002EP1178646A1 Communication device and communication method
02/06/2002EP1178645A1 Communication device and communication method
02/06/2002EP1178617A1 Method for improving the performance of the GSM frequency hopping sequence generator for half/quarter rate channels
02/06/2002EP1178615A2 Method for the transmission of payload data packets
02/06/2002EP1177648A1 Apparatus and method for generating frame sync word and verifying the frame sync word in w-cdma communication system
02/06/2002EP1177638A1 Receiver circuit for a communications terminal and method for processing signals in a receiver circuit
02/06/2002CN1335037A Method and apparatus for resource reservation in mobile radio communicaltions system
02/06/2002CN1334994A Detection of mutually orthogonal codewords with intersymbol interference and imperfect timing
02/06/2002CN1334990A Device and method for convolutional encoding in digital system
02/06/2002CN1334925A Provisioning of GPS assistance data in WCDMA network
02/06/2002CN1334659A Bandwidth-variable channel estimation method for frequency-selective channel and its device
02/06/2002CN1334657A Operation of cellular communication system
02/06/2002CN1334656A CDMA cellular communication system, CDMA base station device and hand-over interference detecting method
02/06/2002CN1078987C Direct sequence CDMA coherent upline detector
02/05/2002US6345188 Base station for phasing a transmission signal to a mobile unit based on information recieved from the mobile unit