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)
01/1999
01/05/1999CA2132765C Radio communications system with fault tolerant frequency hopping synchronization
01/05/1999CA2123488C A spread-time code division multiple access technique with arbitrary spectral shaping
12/1998
12/30/1998WO1998059458A1 Chaotic digital code-division multiple access (cdma) communication systems
12/30/1998WO1998059439A1 Method and device for effective data radiotransmission
12/30/1998WO1998059438A1 Method and mobile radiotelephone for digital data radiotransmission
12/30/1998WO1998059437A1 RADIO INTERFACE FOR A SMALL WIRELESS INSTALLATION IN THE 2.4 GHz ISM BAND
12/30/1998WO1998059436A1 Method and device for radiotransmission
12/30/1998WO1998059428A1 Wireless communications system for transmitting and receiving data with increased data rates and robustness
12/30/1998EP0887949A2 Methods and apparatus for increasing the uplink gain of a CDMA base station
12/30/1998EP0887948A2 Power control and data services in CDMA networks
12/30/1998EP0887946A2 Synchronous capture circuit for code division multiple access communication
12/30/1998EP0887925A2 Gain compensating apparatus for use with amplifying portion in code division multiple access communication system
12/29/1998CA2170094C Ofdm transmission/reception system and transmitting/receiving apparatus
12/23/1998WO1998058464A1 Frequency synchronisation method for a mobile station in a mobile communications system
12/23/1998WO1998058463A1 Time synchronisation method for a mobile station in a mobile communications system
12/23/1998WO1998058457A2 Reduced peak-to-average amplitude multichannel link
12/23/1998WO1998058456A2 Cdma communication system which selectively allocates bandwidth upon demand
12/23/1998WO1998057881A1 Overhead conveying device and overhead conveying vehicle
12/23/1998EP0886390A2 Method and system for compact multi-user serial interference cancellation with simplified generation of spread code sequence
12/23/1998EP0886389A2 Transmission power control for variable bit rate CDMA mobile telephone system
12/23/1998EP0886387A2 System and method for transmission and noise power control in wireless communications
12/23/1998CN1202744A Radio transmitting apparatus and gain control method for the same
12/23/1998CA2294835A1 Method, mobile station and base station for frequency synchronization for a mobile station in a radio communications system
12/17/1998WO1998057450A1 Methods and arrangements in a radio communications system
12/17/1998WO1998057437A1 Frame waveform mutual correction data signal demodulation method
12/16/1998EP0884901A2 Video signal recording apparatus and method
12/16/1998EP0884861A2 Spread spectrum receiver and transmission power control method
12/16/1998EP0884857A2 Interference canceller for a direct sequence CDMA receiver in a mobile radio communication system
12/16/1998EP0883941A1 Multiple access communications system and method using code and time division
12/16/1998EP0883940A1 Subtractive multicarrier cdma access methods and systems
12/16/1998EP0705500A4 Method and apparatus for utilizing multiple spreading codes in a communication system
12/16/1998CN1202054A System of processing, converting and distributing message in fixed subscriber unit in broad band code division multiple access wireless local loop
12/15/1998US5850600 Three cell wireless communication system
12/15/1998US5850394 CDMA communications system using multiplexed signaling data lines
12/15/1998US5850390 Method for managing radio resources which transmits user data/information field within a time/frequency parallelogram separated from the header channel by a plurality of frequencies
12/10/1998WO1998056069A1 Adaptive array antenna
12/10/1998CA2239948A1 Video signal recording apparatus and method
12/09/1998EP0883296A2 Method and device for adding information to video signal, method and device for detecting information from video signal, and recording medium
12/09/1998EP0883254A2 Receiver for receiving optical signals
12/08/1998US5848096 Communication method and system using different spreading codes
12/08/1998CA2126237C Code division multiple access mobile communication system
12/05/1998CA2238732A1 Method and device for adding information to video signal, method and device for detection information from video signal, and recording medium
12/03/1998WO1998054852A1 Satellite broadcasting system and broadcasting satellite
12/03/1998WO1998054850A2 Method and apparatus for wireless communication employing control for confidence metric bandwidth reduction
12/03/1998CA2304756A1 Method and apparatus for wireless communication employing control for confidence metric bandwidth reduction
12/03/1998CA2236862A1 Receiver for receiving optical signals
12/02/1998EP0881852A2 Low traffic handoff method for CDMA cellular network using different frequencies among base stations
12/02/1998EP0881786A2 Method and apparatus for transmitting two parallel channels using code division
12/02/1998EP0881781A2 Method and apparatus for transmission diversity in CDMA systems
12/02/1998EP0881704A2 Radio communication apparatus in CDMA communication system with calibration
12/02/1998EP0881639A2 Automatic equalization system
12/02/1998CN1200850A Method of receiving and searching a signal transmitting in bursts
12/02/1998CN1200637A Low traffic handoff method for CDMA cellular network using different frequencies among base stations
12/02/1998CN1200605A Radio communication apparatus in CDMA communication system
12/02/1998CN1200603A Automatic equalization system
12/01/1998US5844937 Matched filter system
12/01/1998US5844894 Time-reuse partitioning system and methods for cellular radio telephone systems
11/1998
11/26/1998WO1998053631A1 Cellular radio system allowing mobile station to communicate through base station connected via cdma radio channel, and base station device and mobile station device used in the same
11/26/1998WO1998053436A1 Method and device for establishing a wireless communication between vehicles and communication equipment erected along the road
11/26/1998WO1998038758A3 Orthogonal code synchronization system and method for spread spectrum cdma communications
11/26/1998DE19747370C1 Multiple access wireless mobile telecommunication system
11/26/1998CA2289920A1 Method and device for establishing a wireless communication between vehicles and communication equipment erected along the road
11/25/1998EP0776557A4 Multi-band, multi-mode spread-spectrum communication system
11/25/1998CN1200008A System and method for wireless communications
11/25/1998CN1199957A Receiving loop tank for cellular telephone
11/24/1998US5841806 Method and apparatus for the transmission of energy-scaled variable rate data
11/19/1998WO1998052377A2 Method for channel allocation
11/19/1998DE19821248A1 Digital modulation signal generator for multi-channel mobile communications system
11/18/1998EP0878932A2 Circuit and method for arbitrarily shifting M-sequence
11/18/1998EP0878931A1 Radio communication equipment using algorithm diversity
11/18/1998EP0878930A1 Code generating method and code selecting method
11/18/1998EP0878077A1 Forward link carrier recovery in an ocdma spread spectrum communication system without a pilot tone
11/18/1998EP0878064A1 Code-modulated transmission process and transmission system operating according thereto
11/18/1998EP0878057A1 Method for reducing interference, and a radio system
11/17/1998US5838913 Control message transmission in telecommunications systems
11/17/1998US5838718 Method and apparatus for transmitting data signals
11/12/1998WO1998050909A1 Subscriber handoff between multiple access communications system
11/12/1998DE19819423A1 Verfahren und Vorrichtung zum Ausführen einer Übergabe zwischen Kommunikationssystemen mit unterschiedlichen Vielfachzugriffsschemata Method and apparatus for performing a handoff between communications systems having different multiple access schemes
11/11/1998EP0877510A2 Neighbouring cell measurement in a TDMA cellular radio network
11/11/1998EP0876714A1 Power control method and cellular radio system
11/11/1998CN1198646A Management method for extra expenses channel in mobile telecommunication system
11/11/1998CN1198645A CDMA base station software management method for personal communication system
11/11/1998CN1198625A Receiving equipment, receiving method and teminal unit used with radio system
11/10/1998US5835860 Method for completing a call in a communications system
11/10/1998US5835527 Spread spectrum adaptive power control system and method
11/10/1998US5835490 Overload control method using call control process load ratio of CDMA mobile system
11/10/1998US5835489 CDMA communication system
11/10/1998US5835488 Pseudo random noise sequence code generator and CDMA radio communication terminal
11/10/1998CA2116601C Mobile station and cell selecting method for code division multiplex access mobile communication
11/05/1998WO1998049859A1 A method of and apparatus for tracking propagation delay between a base station and a subscriber unit
11/05/1998WO1998049857A1 Random access in a mobile telecommunications system
11/05/1998WO1998027677A3 Method and arrangement for wireless data transmission
11/04/1998EP0876003A1 CDMA modulator
11/04/1998EP0876001A2 Partial decorrelation for a coherent multicode code division multiple access receiver
11/04/1998CN1198289A Apparatus for upgrading of one-way message transmission system
11/04/1998CN1198275A Method and apparatus for transporting auxiliary data in audio signals
11/04/1998CN1198053A Method and apparatus for acquiring pilot signalin CDMA receiver
11/03/1998US5832387 Adaptive power allocating method and apparatus for multicarrier transmission system
11/03/1998US5832035 Fast locking mechanism for channelized ultrawide-band communications
11/03/1998US5832028 Method and apparatus for coherent serial correlation of a spread spectrum signal
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