Patents
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
12/1999
12/21/1999US6006102 Telecommunication device comprising a base station and at least one mobile station having a particular intercom mode, and method of starting this mode
12/21/1999US6006101 Mobile radio communication system, a mobile radio communication network and a mobile radio station in said mobile radio communication system
12/21/1999US6006093 Traffic control method in a hierarchical communication system
12/21/1999US6006084 Method and apparatus for providing billing services for a mobile group of communication system users
12/21/1999US6006075 Method and apparatus for transmitting communication signals using transmission space diversity and frequency diversity
12/21/1999US6006073 Apparatus and method for improvement of transmission quality in a point-to-multipoint radio transmission system
12/21/1999US6006072 Method and apparatus for interference cancellation
12/21/1999US6006071 RF communications system operable in the presence of a repetitive interference source and related methods
12/21/1999US6006070 Multi-function interactive communications system with circularly/elliptically polarized signal transmission and reception
12/21/1999US6006069 Point-to-multipoint communications system
12/21/1999US6006068 Two-way pager with transmit threshold
12/21/1999US6006067 Method for a selective call receiver to determine its position and to disregard certain signals from a satellite
12/21/1999US6005930 Apparatus, method and system for controlling secondary treatment by a distant switch for multiple leg telecommunication sessions
12/21/1999US6005896 Radio data communication device and radio data communication method
12/21/1999US6005887 Despreading of direct sequence spread spectrum communications signals
12/21/1999US6005876 Method and apparatus for mobile data communication
12/21/1999US6005857 Method and arrangement for high-speed data transmission in TDMA mobile telecommunications system
12/21/1999US6005856 Communication protocol for spread spectrum wireless communication system
12/21/1999US6005855 Method and apparatus for providing variable rate data in a communications system using statistical multiplexing
12/21/1999US6005854 Synchronous wireless access protocol method and apparatus
12/21/1999US6005852 Load control method and apparatus for CDMA cellular system having circuit and packet switched terminals
12/21/1999US6005850 Hybrid access system with remote device monitoring scheme
12/21/1999US6005633 Signal transmitting-receiving system
12/21/1999US6005529 Antenna assembly with relocatable antenna for mobile transceiver
12/21/1999CA2169646C Method and apparatus for balancing the forward link handoff boundary to the reverse link handoff boundary in a cellular communication system
12/21/1999CA2157624C Multi-component antenna and method therefor
12/16/1999WO1999065257A1 Device and method for communicating power control bit pattern according to transmit antenna in mobile communication system
12/16/1999WO1999065182A2 Method of selecting synchronization pattern from a test signal
12/16/1999WO1999065181A1 Rapid synchronization for communication systems
12/16/1999WO1999065173A1 Canceller for jamming wave by interference
12/16/1999WO1999065171A1 Increasing performance in communications by embedding one signal in another signal
12/16/1999WO1999065167A2 Method and apparatus for identifying the source of a digital signal
12/16/1999WO1999065163A1 A method for synchronization of a cellular radio network
12/16/1999WO1999065162A1 Transmitter, receiver and transceiver apparatus
12/16/1999WO1999065161A1 Iterative projection with initialisation using a network user identifier
12/16/1999WO1999065160A1 Spatio-temporal equalisation using cholesky factorisation and systolic arrays
12/16/1999WO1999065159A1 Method and device for a full-duplex radio transmission system with cdma access
12/16/1999WO1999065158A1 Method for maintaining an operating condition of a mobile radio telephone system, mobile station and base station
12/16/1999WO1999065157A2 Pilot strength measurement and multipath delay searcher for cdma receiver
12/16/1999WO1999065153A1 Method for separating a plurality of superimposed coded user signals
12/16/1999WO1999064974A1 A monitoring system
12/16/1999WO1999057823A3 Determining the quality of telecommunication services
12/16/1999WO1999056484A3 Method of testing telecommunication connections in radio system
12/16/1999WO1999052310A3 Method and apparatus for power control in a mobile telecommunication system
12/16/1999WO1999046942A3 Method for generating a broadcast challenge value
12/16/1999DE19826036A1 Verfahren zur Trennung von mehreren überlagerten codierten Nutzersignalen A process for the separation of a plurality of superimposed coded user signals
12/16/1999DE19825536A1 Verfahren und Vorrichtung für ein vollduplexfähiges Funkübertragungssystem mit CDMA-Zugriff Method and apparatus for a full-duplex digital radio transmission system with CDMA access
12/16/1999DE19824961A1 Hierarchic capacity allocation for radio system
12/16/1999DE19824152A1 Verfahren und Funkstation zur Signalübertragung in einem Funk-Kommunikationssystem The method and radio station for transmitting signals in a radio communication system
12/16/1999CA2334700A1 Iterative projection with initialisation using a network user identifier
12/16/1999CA2334658A1 Method and device for a full-duplex radio transmission system with cdma access
12/16/1999CA2334153A1 Spatio-temporal equalisation using cholesky factorisation and systolic arrays
12/16/1999CA2333416A1 Method of selecting synchronization pattern from a test signal
12/16/1999CA2333098A1 Increasing performance in communications by embedding one signal in another signal
12/16/1999CA2332910A1 Rapid synchronization for communication systems
12/15/1999EP0964599A2 Handing off a wireless terminal without changing active channels
12/15/1999EP0964598A2 CDMA handoff arrangement for mobile station encountering sudden field strength variations at the boundary of adjacent cells
12/15/1999EP0964591A2 Synchronizing base stations in a wireless telecommunications system
12/15/1999EP0964590A2 Visual interface to mobile subscriber account services
12/15/1999EP0964554A1 Sequence estimation method and sequence estimator
12/15/1999EP0964541A2 Method and devices for broadcasting cellular service information
12/15/1999EP0964533A2 Apparatus and methods for determining rate of transmitted variable rate data
12/15/1999EP0964532A2 Method for communicating handsets
12/15/1999EP0964531A1 Cell selection in a mobile satellite system using time delay and Doppler shifts to determine the position of the user
12/15/1999EP0964529A2 Channel estimation apparatus and communication terminal apparatus
12/15/1999EP0964523A1 High frequency upconverter
12/15/1999EP0963680A2 Method related to gprs (general packet radio service) system providing packet switched connections
12/15/1999EP0963669A1 Method and apparatus for directional radio communication
12/15/1999EP0963642A1 Channel impulse response estimation using singular value decomposition
12/15/1999EP0963632A2 Frame alignment of test signals in a communications network
12/15/1999EP0963628A1 Method and apparatus for determining radio wave propagation attenuation
12/15/1999EP0858679A4 Hybrid energy storage system
12/15/1999EP0809894A4 Portable handset for tdd/fdd wireless communication
12/15/1999EP0761062B1 A conferencing system
12/15/1999EP0744109B1 Communication method and apparatus
12/15/1999EP0707778B1 Base station with time-aligned mobile transmitting moments according to distance to base station
12/15/1999EP0641450B1 Electronic system and method for remote identification of coded articles and the like
12/15/1999CN1238895A Cellular telephone interface system for AMPS and CDMA data services
12/15/1999CN1238887A Terrestrial communication system
12/15/1999CN1238877A System and method for interfacing local communication device
12/15/1999CN1238873A Method and apparatus for mapping between cellular bit streams and wireline waveforms
12/15/1999CN1238869A Receiving device for radio communication system for reception of subscriber signals via air interface
12/15/1999CN1238868A Method and apparatus for precision geolocation
12/15/1999CN1238867A Apparatus and method for reusing satellite broadcast spectrum for terrestrially broadcast signals
12/15/1999CN1238866A Apparatus and method for precorrecting timing and frequency in communication systems
12/15/1999CN1238865A Method and apparatus for transmitting and receiving information as power hopped direct sequence spread spectrum signal
12/15/1999CN1238864A Homodyne cellular base station
12/15/1999CN1238837A Ambiguity resolution for ambiguous position solutions using satellite beams
12/15/1999CN1238653A Visual interface to mobile subscriber account services
12/15/1999CN1238652A Mobile radio communication equipment
12/15/1999CN1238651A CDMA mobile communication system and transmission power control method for the same
12/15/1999CN1238650A Registration of mobile station
12/15/1999CN1238649A Mobile communication apparatus and mobile communication method
12/15/1999CN1238464A Direction determination in cellular mobile communications network
12/15/1999CN1047492C Equipment for controlling sending and receiving apparatus of interrupt station and movable part of radio telephone system
12/14/1999US6002999 Interface apparatus and method between a selector and a plurality of vocoders in a mobile communication system
12/14/1999US6002950 Satellite communication apparatus
12/14/1999US6002944 Vehicular telephone and method including an improved user interface
12/14/1999US6002943 Power limiting circuit for radio communication device with a retractable antenna
12/14/1999US6002942 Method for controlling transmitting power of a mobile station