Patents
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
03/1999
03/17/1999EP0901738A1 Technique for least cost routing for mobile satellite systems employing a gsm network infrastructure
03/17/1999EP0901722A1 Subscriber unit for cdma wireless communication system
03/17/1999EP0901721A1 Device and method for radio transmitters
03/17/1999EP0901720A1 System and method for equalizing the delay time for transmission paths in a distributed antenna network
03/17/1999EP0830750B1 Apparatus and method of transmitting and receiving information in a wireless telecommunications system
03/17/1999EP0759259B1 Method and apparatus of maintaining an open communications channel between a cellular terminal and an associated cellular radio network
03/17/1999EP0679312A4 An information transmission system for increasing the effective rate of transfer of information.
03/17/1999EP0614598B1 Rearranging channels
03/17/1999EP0558710B1 Cellular radio system using common radio backbone
03/17/1999CN1211375A 电话系统 Phone System
03/17/1999CN1211359A Impairment determination for a diversity antenna selection process
03/17/1999CN1211358A Method for unlicensed band port to autonomously determine interference threshold and power level
03/17/1999CN1211324A GPS receiver and method for processing GPS signals
03/17/1999CN1211153A Mobile radio communication system and radio circuit controlling method therefor
03/17/1999CN1211151A Channel assignment method in mobile communications system
03/17/1999CN1211126A Method and system for monitoring remote BTS under CROS environment
03/17/1999CN1211115A Transmission diversity apparatus
03/17/1999CN1211114A Antenna-switched diversity apparatus without duplexer and method for operating the same
03/17/1999CN1211112A TDMA voice information reading apparatus
03/17/1999CN1211111A Spread spectrum receiver and transmission power control method
03/17/1999CN1042585C Apparatus for automatically controlling gain, communication apparatus, and method for automatically controlling gain
03/16/1999US5884221 Vehicle locating and communicating method and apparatus
03/16/1999US5884215 Method and apparatus for covariance matrix estimation in a weighted least-squares location solution
03/16/1999US5884196 Method and apparatus of preserving power of a remote unit in a dispatch system
03/16/1999US5884192 Diversity combining for antennas
03/16/1999US5884187 Method and apparatus for providing centralized power control administration for a set of base stations
03/16/1999US5884181 Interference reduction in shared-frequency wireless communication systems
03/16/1999US5884178 Method and apparatus for estimating speed of a mobile station in a cellular communications system
03/16/1999US5884176 Fast handover by preassigning neighboring candidate cells
03/16/1999US5884171 Radio communication apparatus and method for preventing hidden terminals from interrupting communications
03/16/1999US5884170 Subscriber feature controlled high penetration messaging
03/16/1999US5884168 Multiple cellular systems with limited sim card information
03/16/1999US5884166 Multidimensional cellular mobile telecommunication system
03/16/1999US5884165 Mobile communication systems sharing a control channel
03/16/1999US5884164 Call handover in a non-geostationary satellite constellation
03/16/1999US5884149 Mobile station having dual band RF detector and gain control
03/16/1999US5884142 Low earth orbit distributed gateway communication system
03/16/1999US5884140 Information distributing system with sub-stations transmitting broadcast information by wireless and terminals receiving the information
03/16/1999US5883929 Synchronization method, and associated circuitry, for synchronizing a receiver with a transmitter
03/16/1999US5883921 Short burst acquisition circuit and method for direct sequence spread spectrum links
03/16/1999US5883920 Spread spectrum receiving apparatus with battery saving function
03/16/1999US5883899 Code-rate increased compressed mode DS-CDMA systems and methods
03/16/1999US5883888 Seamless soft handoff in a CDMA cellular communications system
03/16/1999US5883886 Utility meter readings on a reverse channel of a two-way paging system
03/16/1999US5883885 Base and mobile stations including enhanced sleep mode
03/16/1999CA2146951C Peripheral unit for satellite multi-videoconferencing
03/16/1999CA2107771C Multiple accumulator fractional n synthesis with series recombination
03/16/1999CA2076721C Method of detecting a paging channel in a multifrequency radio pager network
03/16/1999CA2061930C Adaptive matched pre-filtering of a decision feedback equalized input
03/11/1999WO1999012374A1 Method and device for transmitting user data in a radiocommunication system
03/11/1999WO1999012371A1 Method for optimizing spectral re-use
03/11/1999WO1999012360A2 Dynamic group radio using existing telephony infrastructure
03/11/1999WO1999012312A1 Data transmission system and method for transmitting real time data and/or storage data in data communication networks
03/11/1999WO1999012304A1 A method for selecting a combination of modulation and channel coding schemes in a digital communication system
03/11/1999WO1999012295A1 Cell searching in a cdma communications system
03/11/1999WO1999012290A2 Method for parameter estimation and receiver
03/11/1999WO1999012284A1 A method for assigning spreading codes
03/11/1999WO1999012282A1 Downlink channel handling within a spread spectrum communications system
03/11/1999WO1999012281A1 A method for communicating information in a communication system that supports multiple modulation schemes
03/11/1999WO1999012280A1 Sychronisation apparatus and method for tdma cellular communications
03/11/1999WO1999012279A1 Data transmission system with relay stations between a source station and a target station
03/11/1999WO1999012278A1 Communications channel effects mitigation method and apparatus
03/11/1999WO1999012277A1 System for and method of measuring power
03/11/1999WO1999012275A1 Adaptive power control of a pilot sub-channel
03/11/1999WO1999012274A1 Apparatus and method for transmitting signals in a communication system
03/11/1999WO1999012273A1 Synchronization to a base station and code acquisition within a spread spectrum communications system
03/11/1999WO1999012227A2 Call routing in a radio system
03/11/1999WO1999012140A1 A global data communications service system for remote control and status reporting
03/11/1999WO1998058462A3 Balanced diversity
03/11/1999WO1998051108A3 Hand-held cellular telephone with power management features
03/11/1999WO1998051033A3 Method for correcting synchronization error and radio system
03/11/1999WO1998051027A3 Method and apparatus for producing delay of a carrier signal for implementing spatial diversity in a communication system
03/11/1999WO1998048293A3 Interaction between an adjunct positioning system and a radiocommunication system
03/11/1999WO1998047249A3 Passenger aircraft entertainment system
03/11/1999WO1998044655A3 Self-synchronizing equalization techniques and systems
03/11/1999WO1998037638A3 Highly bandwidth-efficient communications
03/11/1999DE19738365A1 Mobile handset synchronisation method for mobile radio communications system
03/11/1999CA2302954A1 A global data communications service system for remote control and status reporting
03/11/1999CA2302501A1 Data transmission system with relay stations between a source station and a target station
03/11/1999CA2302298A1 System for and method of measuring power
03/11/1999CA2300996A1 Downlink channel handling within a spread spectrum communications system
03/11/1999CA2300428A1 A method for communicating information in a communication system that supports multiple modulation schemes
03/11/1999CA2299297A1 A method for assigning spreading codes
03/10/1999EP0901253A2 Transmission control method
03/10/1999EP0901243A2 Communication channel assigning system
03/10/1999EP0901242A2 TDMA digital telecommunication system
03/10/1999EP0901241A2 Digil mobil telecommunication system with TDMA
03/10/1999EP0901240A2 User terminal doppler compensation
03/10/1999EP0901239A2 Pilot signal reception level averaging system
03/10/1999EP0901237A2 CDMA Rake receiving apparatus
03/10/1999EP0901219A2 Dynamic power allocation system and method for multi-beam satellite amplifiers
03/10/1999EP0901184A1 Calibration method for transmit and/or receive chains driving an active array, and corresponding mobile station
03/10/1999EP0901000A2 Message processing system and method for processing messages
03/10/1999EP0900512A2 Method and apparatus for providing diversity in hard handoff for a cdma system
03/10/1999EP0900484A1 Process and device for the increase of subscriber capacity in a cellular mobile radio network
03/10/1999EP0659321A4 Transferring a radio telephone call.
03/10/1999CN1210655A Connection establishment method, subscriber terminal unit and radio system
03/10/1999CN1210639A Real-time CSMA method having capability to adaptively vary cell sizes and wireless network for implementing the same
03/10/1999CN1210638A Portable radio telephone equipment and control thereof
03/10/1999CN1210636A Antenna arrangement