Patents
Patents for H04J 13 - Code division multiplex systems (21,510)
08/2000
08/16/2000EP0872026B1 Apparatus and method of establishing and maintaining communication paths in a wireless telecommunications system
08/16/2000CN1263680A Device and method for transmitting common channel message in CDMA communication system
08/16/2000CN1263660A Method and apparatus for interference rejection
08/16/2000CN1263655A Radio base station apparatus and radio communication method
08/16/2000CN1263650A Channel encoding device and method for communication system
08/16/2000CN1263424A Improved code and frequency spectrum recycle in multi-sector small region code division multiple address system
08/16/2000CN1263390A Spread spectrum receiver
08/16/2000CN1263389A SIR estimation method based on non-continuous pilot frequency in WCDMA and its equipment
08/16/2000CN1263388A Method for controlling baseband gain treatment by using WCDMA closed-loop power
08/16/2000CN1263387A Method for estimating signal-to-noise ratio of received digital signal
08/15/2000US6104983 Method and apparatus for measuring waveform quality of CDMA signal
08/15/2000US6104746 Spread spectrum communication system
08/15/2000US6104745 Transceiver for performing time division full duplex spread spectrum communication
08/15/2000US6104709 Channel assignment within a broad-band communication system
08/15/2000US6104708 Wireless data communications system
08/10/2000WO2000046795A1 Speech synthesizer based on variable rate speech coding
08/10/2000WO2000019730A3 Device and method for generating quasi-orthogonal code and spreading channel signals in mobile communication system
08/09/2000EP1026911A2 Code and spectrum reuse in a sectorised CDMA system
08/09/2000EP1026907A1 Base station device and radio communication method
08/09/2000EP1026849A2 Optical transmission system as well as transmitter and receiver
08/09/2000EP1026843A1 Method of estimating the signal to noise ratio of a digital signal
08/09/2000EP1026834A2 Mobile communication system having mobile stations and a base station
08/09/2000EP1025717A2 Random access in a mobile telecommunications system
08/09/2000EP1025669A2 Method of measuring frequency difference, and receiver
08/09/2000CN1262829A Transmitting/receiving device and transmitting/receiving method
08/09/2000CN1262825A Channel communication device and method for CDMA communication system
08/09/2000CN1262824A Device and method for generating PN sequence in CDMA communication system
08/09/2000CN1262587A Path connecting controlling system and controlling method for CDMA mobile communication system
08/09/2000CN1262568A Method for transmitting data wireless system by wireless interface of base station and subscriber station
08/06/2000CA2297992A1 An optical transmission system and transmitters and receivers
08/04/2000CA2296947A1 Improved reuse of codes and spectrum in a cdma system with multiple-sector cells
08/03/2000WO2000045530A1 Adaptive interference-free spread-spectrum system employing binary code sequence sets with zero correlation zone properties
08/03/2000WO2000019732A3 Device and method for generating spreading code and spreading channel signals using spreading code in cdma communication system
08/03/2000WO2000014975A3 Device and method for generating quaternary complex quasi-orthogonal code and spreading transmission signal using quasi-orthogonal code in cdma communication system
08/03/2000DE19904108A1 Data transmission method for radio communication system
08/02/2000EP1024611A2 Method and radio communication system for user code allocation to base stations and user station
08/02/2000EP1023790A1 Method and radio station for transmitting data
08/02/2000EP1023789A1 Method and radio station for data transmission
08/02/2000EP1023787A2 A method of and a system for voice and data radio communication providing improved interference diversity
08/02/2000EP1023784A2 Method and receiving device for estimating channels in communications systems
08/02/2000CN1262002A Satellite broad casting system and broadcasting satellite
08/02/2000CN1261998A A subscriber unit and method for use in a wireless communication system
08/02/2000CN1261757A Coarse frequency deviation estimate device in orthogonal frequency-diviion multiple receiver
08/01/2000US6097947 Method for detecting failure mobile station in cellular mobile communication network through transmission power control
08/01/2000US6097776 Maximum likelihood estimation of symbol offset
08/01/2000US6097715 CDMA communication system
08/01/2000US6097714 Code multiplexing transmitting apparatus
08/01/2000US6097713 CDMA multi-code transmitter employing baseband signal time offset
08/01/2000US6097711 DS-CDMA transmission method
07/2000
07/27/2000WO2000044106A1 Apparatus and methods for interference cancellation in spread spectrum communication system
07/27/2000WO1999048228A9 Modular base station with variable communication capacity
07/27/2000DE19903017A1 Verfahren und Funk-Kommunikationssystem mit Zuteilung von Teilnehmercodes zu Basisstationen und Teilnehmerstationen Method and radio communication system with allocation of user code to base stations and subscriber stations
07/27/2000DE19901204A1 Verfahren zur Realisierung von Mehrfach-Punktcodes in einer Vermittlungsstelle A process for the realization of multiple point codes in a switching center
07/26/2000EP1022920A2 Enhanced channel allocation among multiple carriers in a spread spectrum communications system
07/26/2000EP1021882A2 Device and method for cancelling code interference in a cdma communication system
07/26/2000EP1021870A2 Method and apparatus for wireless communication employing control for confidence metric bandwidth reduction
07/26/2000EP1021865A2 Method for transmitting power control signal in mobile communication system
07/26/2000EP0695484B1 Time alignment in a cdma system
07/26/2000CN1261224A Smoothily switched base control ystem and method therefor
07/26/2000CN1261223A CDMA multi-user receiving apparatus characterized by combination of array antenna and multi-user eliminator
07/25/2000US6094576 Connection establishment method and radio system
07/25/2000US6094464 Burst mode receiver
07/25/2000US6094421 Timing adjustment control for efficient time division duplex, frequency division duplex or hybrid time division duplex/frequency division duplex communication
07/25/2000CA2151375C A wireless packet data communications modem and method of use therein
07/21/2000CA2293955A1 Enhanced channel allocation among multiple carriers in a spread spectrum communications system
07/20/2000WO2000042781A1 Method for implementing multipoint codes in an exchange
07/20/2000WO2000042711A1 Method for generating complex quasi-orthogonal code and apparatus and method for spreading channel data using the quasi-orthogonal code in cdma communication system
07/20/2000DE19901622A1 Drahtloses Netzwerk Wireless network
07/19/2000EP1021010A2 Methods of dynamically assigning channel codes of different lengths in wireless communication systems
07/19/2000EP1021003A2 Wireless Network
07/19/2000EP1020999A1 Mobile communication system with compressed mode operation and method of operating the same
07/19/2000EP1020043A1 Method and communication system for wireless tdma information transfer between base stations and mobile stations with randomly controlled selection of uplink channels
07/19/2000EP1020039A1 Apparatus and method for transmitting signals in a communication system
07/19/2000EP0669065A4 Apparatus and method for conveying information in a communication network
07/19/2000CN1260923A Time synchronisation method for mobile station in mobile communications system
07/19/2000CN1260922A Process for frequency synchronisation of mobile station in mobile communication system
07/19/2000CN1260921A Methods and arrangement in radio communication system
07/19/2000CN1260918A CDMA communication system which selectively allocates band width upon demand
07/19/2000CN1260917A Reduced peck-to-average amplitude multichannel link
07/19/2000CN1260916A Asymmetric channel allocatlon for mobile station in CDMA communication network
07/19/2000CN1260914A Signal detection method in digital cellular receiver
07/19/2000CN1260652A Method for limiting dynamic range of CDMA signals
07/19/2000CN1260650A Communication terminal device and radio communication method thereof
07/18/2000US6091788 Base station equipment and a method for steering an antenna beam
07/18/2000US6091760 Non-recursively generated orthogonal PN codes for variable rate CDMA
07/18/2000US6091759 Method and apparatus for spreading and despreading data in a spread-spectrum communication system
07/18/2000US6091758 Cordless telephone arranged for operating with multiple portable units in a frequency hopping system
07/13/2000WO2000041343A1 Puncturing device and method for turbo encoder in mobile communication system
07/13/2000WO2000041339A1 Data transmission method and radio system
07/13/2000WO2000041335A1 Cdma mobile radio terminal
07/13/2000WO2000041316A1 Device and method for convolutional encoding in digital system
07/13/2000WO2000041312A1 An iterative decoder and an iterative decoding method for a communication system
07/13/2000WO2000018142A3 Apparatus and method of searching for pn sequence phase in multi-carrier cdma mobile communication system
07/13/2000WO2000008908A3 Device and method for transmitting preamble of access channel in mobile communication system
07/13/2000WO2000001091A8 Pn code selection for synchronous cdma
07/13/2000DE19916063C1 Synchronising method for radio communication system
07/12/2000EP1018811A2 Transmission control without limitation by the number of users
07/12/2000EP1018808A2 Space-time spreading method of CDMA wireless communication
07/12/2000CN1259838A System and method for radio channel communication in CDMA communication system
07/11/2000US6088590 Method and system for mobile controlled handoff and link maintenance in spread spectrum communication