Patents
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
10/2001
10/24/2001EP1147590A1 A method and an apparatus for storing and communicating battery information
10/24/2001EP0811286B1 Multi-hop packet radio networks
10/24/2001EP0807339B1 Personal communications via low-orbiting moving and geostationary satellites
10/24/2001CN2456378Y Satellite antenna installation positioner
10/24/2001CN1319317A Distributed infratructure for wireless data communications
10/24/2001CN1319315A Method and apparatus for checking quality of service provided by cellular telephone system
10/24/2001CN1319293A Method and device for estimating transmission quality of digital communication signal
10/24/2001CN1319289A Method and apparatus for radio reception
10/24/2001CN1319285A Base station device, communication terminal and transmission power control method
10/24/2001CN1319284A Mobile communication terminal and method of detecting received signal strength
10/24/2001CN1319283A Non-recursively generated orthogonal PN codes for variable rate CDMA
10/24/2001CN1319282A Automatic power control in uncoordinated frequency-hopping radio systems
10/24/2001CN1319279A Time offset technique for increasing capacity of CDMA system
10/24/2001CN1318959A Portable telephone set
10/24/2001CN1318958A Multi-branch receiver system and method
10/24/2001CN1318957A Receiver system and method using RF analog-digital conversion
10/24/2001CN1318953A Pilot utilization in orthogonal frequency-division multiplex base spread spectrum multiple access system
10/24/2001CN1318923A Device and method of obtaiing communication quality
10/24/2001CN1318922A Demodulating device and method for mobile communication
10/24/2001CN1318919A Partial Hadamard transform search for auxiliary wideband CDMA sync channel
10/24/2001CN1318916A Base station recognition for use in spread spectrum multiple access system based on orthogonal frequency-division multiplex
10/24/2001CN1318909A Re-send control method of multi-point propagation service system, information transfer device and radio terminal
10/24/2001CN1318908A Radio paging mechanism capable of inquiring mutually
10/24/2001CN1318907A Portable communication apparatus with automatic operation holding system and operating method thereof
10/24/2001CN1073763C Radio communication equipment using single frequency and method thereof
10/24/2001CN1073762C Automatic gain control apparatus
10/23/2001USRE37420 Automobile on-board and/or portable telephone system
10/23/2001US6308111 Information collecting system
10/23/2001US6308085 Distributed antenna system and method of controlling the same
10/23/2001US6308080 Power control in point-to-multipoint systems
10/23/2001US6308079 Method and apparatus for a talkgroup call in a wireless communication system
10/23/2001US6308078 Transmission time delay measurement at transmission paths in a radio telecommunication system
10/23/2001US6308077 Apparatus and method for providing synchronization of base-stations in a communication system
10/23/2001US6308076 Methods and systems for synchronization with multiple frequency offsets and known timing relationships
10/23/2001US6308071 Monitoring traffic in a mobile communication network
10/23/2001US6308064 Air interface based wireless telecommunication test system
10/23/2001US6308055 Method and apparatus for operating a PLL for synthesizing high-frequency signals for wireless communications
10/23/2001US6308054 Diversity wireless communication method and its wireless communication apparatus
10/23/2001US6308046 Video/audio alarm processing method and apparatus for base station manager in mobile radio communication system
10/23/2001US6308044 System and method of providing OOOI times of an aircraft
10/23/2001US6307937 Method and apparatus for an adapter card providing conditional access in a communication system
10/23/2001US6307882 Determining channel characteristics in a space-time architecture wireless communication system having multi-element antennas
10/23/2001US6307868 Apparatus and method for SCDMA digital data transmission using orthogonal codes and a head end modem with no tracking loops
10/23/2001US6307863 Transmission method and communication system employing the method
10/23/2001US6307861 Method and system for multicast using a satellite network
10/23/2001US6307851 System for radio transmission of digital signals between a plurality of subscriber stations and base station
10/23/2001US6307849 Method and system for changing forward traffic channel power allocation during soft handoff
10/23/2001US6307844 CDMA communication system and its transmission power control method
10/23/2001US6307840 Mobile station assisted timing synchronization in CDMA communication system
10/23/2001US6307833 Rain fade mitigation in a data transmission system
10/23/2001US6307503 Method and system of determining user terminal position using a measured signal propagation delay and Doppler shift of a communications link
10/23/2001US6307471 Radio based proximity token with multiple antennas
10/23/2001CA2244814C Wireless packet system for efficient wide area bandwidth utilization
10/23/2001CA2110589C Spread spectrum wireless telephone system
10/23/2001CA2031145C Frequency detector based on a digital phase lock loop
10/18/2001WO2001078437A1 Method and arrangement for maintaining synchronization in association with resetting a communication connection
10/18/2001WO2001078436A1 Macrodiversity system with signal combining in the base station
10/18/2001WO2001078423A1 Method and apparatus for originating gsm-900/gsm-1900/gsm-1800 cellular calls without requiring full power at call initiation
10/18/2001WO2001078357A1 Hands-free attachment
10/18/2001WO2001078355A2 Wireless communication system using joined transmit and receive processing
10/18/2001WO2001078342A2 System and method for pushing information from a host system to a mobile data communication device
10/18/2001WO2001078338A1 Optimization of channel equalizer
10/18/2001WO2001078324A1 Multicasting method, multicasting system, mobile station and base station
10/18/2001WO2001078293A1 A method for coding in a telecommunications system
10/18/2001WO2001078292A2 Method and apparatus for declaring correctness of reception of transport channels
10/18/2001WO2001078291A2 System and method for data burst communications in a cdma network
10/18/2001WO2001078269A1 Method for measuring confusion rate of a common packet channel in a cdma communication system
10/18/2001WO2001078260A1 Reference unit for a location system of a cellular network
10/18/2001WO2001078259A1 Synchronization of timing advance and deviation
10/18/2001WO2001078258A1 Satellite routing protocol with dynamic ip addressing
10/18/2001WO2001078257A2 Communications system with suborbital platform carrying a communication device
10/18/2001WO2001078256A1 Sub-orbital relays
10/18/2001WO2001078255A1 Method and apparatus employing delay combining for receive diversity in a wireless system repeater
10/18/2001WO2001078254A1 Multi-antenna transmission method and system
10/18/2001WO2001078253A1 Method for signal processing used in terminal device of code division multiple access mobile communication system
10/18/2001WO2001078252A1 Radio communication system and method of controlling downlink transmission power or bit rate
10/18/2001WO2001078251A2 Method for regulating transmission power in a radiocommunications system
10/18/2001WO2001078250A1 Method and system for closed loop power control in wireless systems
10/18/2001WO2001078249A1 Method and apparatus employing wireless in-band signaling for downlink transmission of commands
10/18/2001WO2001078242A2 Interference detection, identification, extraction and reporting
10/18/2001WO2001078220A1 Data transfer method
10/18/2001WO2001077877A2 In-flight e-mail system
10/18/2001WO2001033871A3 Method for performing handoff by sequentially using up- and downlink signal quality
10/18/2001WO2001024408A3 Multi-beam satellite communications system
10/18/2001WO2001024383A3 Satellite constellation system employing sub-geosynchronous elliptical orbits
10/18/2001WO2001001594A8 Multistep rake combining method and apparatus
10/18/2001US20010031651 Portable telephone
10/18/2001US20010031648 Method and apparatus for performing directional re-scan of an adaptive antenna
10/18/2001US20010031647 Adaptive antenna array wireless data access point
10/18/2001US20010031646 Packet based backhaul channel configuration for a wireless repeater
10/18/2001US20010031643 Method for controlling power in a radio communication system
10/18/2001US20010031626 Power status for wireless communications
10/18/2001US20010031624 Discrete power level coding for indicating uplink mobile receive level in a wireless repeater system
10/18/2001US20010031623 Channel booster amplifier
10/18/2001US20010031621 Automatic configuration of backhaul and groundlink frequencies in a wireless repeater
10/18/2001US20010031620 Satellite communications data distribution system capable of providing a lot of data in response to a user's request
10/18/2001US20010031022 Method for reference signal generation in the presence of frequency offsets in a communications station with spatial processing
10/18/2001US20010031019 Multiple transmit antenna differential detection from generalized orthogonal designs
10/18/2001US20010031018 Block level space time transmit diversity in wireless communications
10/18/2001US20010031015 Bandwidth efficient QAM on a TDM-FDM system for wireless communications