Patents
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
01/2002
01/02/2002CN1077359C Satellite communication system and method
01/02/2002CN1077358C A method for improving connection quality in cellular radio system, and base station
01/02/2002CN1077357C Radio communiation system
01/01/2002WO2002091619A2 Method and system for utilizing polarization reuse in wireless communications
01/01/2002US6336130 Arrangement for improving availability of services in a communication system
01/01/2002US6336041 System for equalization and precompensation for TDMA communications
01/01/2002US6336040 Mobile radio system with control over radio wave output if a malfunction is detected
01/01/2002US6336039 IC card-type radio communication device
01/01/2002US6336034 Integrated control system for radio service areas of base stations in mobile communication system
01/01/2002US6336030 Method and system for providing satellite coverage using fixed spot beams and scanned spot beams
01/01/2002US6335954 Method and apparatus for joint synchronization of multiple receive channels
01/01/2002US6335924 Spread spectrum communication system and transmission power control method therefor
01/01/2002US6335923 Mobile communication terminal and transmission power control method therefor
01/01/2002US6335922 Method and apparatus for forward link rate scheduling
01/01/2002US6335920 Satellite-based measurement for uplink power control and time synchronization
01/01/2002US6335702 Collection/delivery navigation system
01/01/2002US6335693 Information exchange system
01/01/2002CA2206365C Mobile communication system
01/01/2002CA2202734C Method and apparatus for synchronizing communications in a satellite based telecommunications system
01/01/2002CA2195176C Signal demodulation and diversity combining in a communications system using orthogonal modulation
01/01/2002CA2164683C Completely redundant communication system utilizing radiating transmission line
01/01/2002CA2162968C Standby operation in a wireless communication device
01/01/2002CA2156327C Mobile radio receivers using time diversity to avoid service outages in multichannel broadcast transmission systems
12/2001
12/30/2001CA2351984A1 Propagation environment notification methods and notification systems in radio communication systems, and record media recording control programs thereof
12/30/2001CA2345858A1 Apparatus and method for asymmetrical frequency spectrum utilization in a wireless network
12/30/2001CA2345169A1 Distributed channel assignment method
12/30/2001CA2313290A1 Adaptive rate power control cdma system
12/27/2001WO2001099467A2 Improved diversity coverage
12/27/2001WO2001099447A1 Estimation of movement
12/27/2001WO2001099444A1 Rf base station data repeater
12/27/2001WO2001099442A1 Multiple controller identities for neighbor lists
12/27/2001WO2001099330A1 Method for synchronising the transmitting and receiving modes of transmitters and receivers in a telecommunications network for carrying out this method
12/27/2001WO2001099328A1 Data transmission apparatus and data transmission method
12/27/2001WO2001099313A1 Apparatus for gated transmission of dedicated physical control channel and method thereof in mobile communication system
12/27/2001WO2001099312A1 Apparatus and method for gating transmission of a data rate control channel in an hdr mobile communication system
12/27/2001WO2001099311A1 Apparatus and method for reporting service load to mobile station in mobile telecommunication system
12/27/2001WO2001099310A1 System and method for inmarsat capacity expansion and control
12/27/2001WO2001099309A1 A method and an apparatus for reducing signalling traffic in a telecommunication system
12/27/2001WO2001099308A1 Repeater
12/27/2001WO2001099307A2 Antenna combiners
12/27/2001WO2001099306A1 Receiving device and transmitting device
12/27/2001WO2001099303A2 Method and apparatus for adaptive power control in a wireless voice and data communication system
12/27/2001WO2001099240A2 System and method for simultaneous transmission of signals in multiple beams without feeder cable coherency
12/27/2001WO2001063775A3 Method for optimizing the random access procedures in the cdma cellular networks
12/27/2001WO2001047201A3 Method for transmitting data from an interrogating device to portable objects
12/27/2001WO2001047131A3 Method and circuit for transmitting a data-modulated high-frequency data signal from a transmitter to a receiver having a simplified receiver architecture
12/27/2001WO2001043349A3 Dynamic selection of a medium access method in communication networks
12/27/2001WO2001043307A3 Method for maintaining a synchronised upward signal transmission in a radio communication system
12/27/2001WO2001041488A3 Method for transmitting data between master/slave stations by means of radio transmission systems and computer for the allocation of radio transmission systems for the transmission of data between master/slave stations
12/27/2001WO2001031807A3 Cellular base station augmentation
12/27/2001WO2001017127A3 Single-lnb satellite data receiver
12/27/2001US20010056560 Method and system for measurement based automatic retransmission request in a radiocommunication system
12/27/2001US20010056489 Regional information distribution system capable of distributing advertising information elaborately at a real-time and method of distributing the same
12/27/2001US20010055988 Local data delivery through beacons
12/27/2001US20010055986 Electric power supply device and portable information device
12/27/2001US20010055984 Wireless communications system, wireless microphone transmission apparatus, and wireless receiving apparatus
12/27/2001US20010055979 Apparatus and method for controlling transmission power of CDMA mobile communication system
12/27/2001US20010055973 Mobile unit communication system and a mobile unit communication method that can increase the efficiency of an assignment of a channel of a communication in which a data having a large data amount is transmitted at a high speed
12/27/2001US20010055972 Radio communication system and base stations and mobile stations in the system
12/27/2001US20010055968 Mobile station and a method of reducing interference among radio channels in the mobile station
12/27/2001US20010055966 Method of power control and cells site selection
12/27/2001US20010055959 Unified antenna diversity switching system for TDMA-based telephones
12/27/2001US20010055950 Data delivery through portable devices
12/27/2001US20010055948 Broadcasting receiving apparatus
12/27/2001US20010055356 Multicast radio communication system and apparatus
12/27/2001US20010055351 Method and apparatus for providing a broadband wireless, communications network
12/27/2001US20010055329 High data rate CDMA wireless communication system using variable sized channel codes
12/27/2001US20010055320 Multiplex communication
12/27/2001US20010055294 CDMA communication system capable of flexibly assigning spreading codes to a channel in accordance with traffic
12/27/2001US20010055289 Radio communication system using CDMA communication method
12/27/2001US20010055287 Communication system and device under OFDM system
12/27/2001US20010055285 Mobile communication system and gateway selecting method thereof
12/27/2001US20010055283 Multiple wireless local area networks occupying overlapping physical spaces
12/27/2001US20010054889 Method of analyzing the spectrum of a radio communication system transmission signal
12/27/2001CA2414090A1 A method and apparatus for wireless communication using spatially separated slave transceivers
12/26/2001CN2468225Y Double-satellite, double-polarization double-oscillator double-outputting satellite receiving frequency down device
12/26/2001CN1328761A ATM telecommunication method thereby terminal transmit to common station
12/26/2001CN1328737A Adaptive channel characterization using decoded symbols
12/26/2001CN1328726A Method and arrangement for monitoring base station antenna condition
12/26/2001CN1328725A Apparatus and method for sending common information on common data channels
12/26/2001CN1328724A Power control method and power control system
12/26/2001CN1328723A Method and arrangement for transmitting and receiving RF signals through various radio interfaces of communication systems
12/26/2001CN1328684A Periodicity enhancement in decoding wideband signals
12/26/2001CN1328683A High frequency content recovering methd and device for over-sampled synthesized wideband signal
12/26/2001CN1328682A Perceptual weighting device and method for efficient coding of wideband signals
12/26/2001CN1328681A Method and device for adaptive bandwidth pitch search in coding wideband signals
12/26/2001CN1328408A Method and device for using intelligent antenna in frequency-division duplex radio communication system
12/26/2001CN1328387A Radio communication system
12/26/2001CN1076915C Wideband movable CDMA equipment capable of transmitting multichannel sound
12/26/2001CN1076912C TDMA Digital transmission system and station for use in such system
12/26/2001CN1076911C Communication apparatus for TDMA system
12/26/2001CN1076908C Device for transmission of data signals
12/26/2001CN1076907C Satellite communication system with variable number of satellite communication channels
12/26/2001CN1076906C Dynamic control of transmitting power at transmitter and attenuation at receiver
12/26/2001CA2351702A1 Uplink power control system for satellite communication system employing on-board satellite processing and fade estimation
12/25/2001US6334059 Modified transmission method for improving accuracy for e-911 calls
12/25/2001US6334047 Adaptive power control in a mobile radio communications system
12/25/2001US6334046 Information management system
12/25/2001US6333953 System and methods for selecting an appropriate detection technique in a radiocommunication system
12/25/2001US6333939 Synchronization of a low power oscillator with a reference oscillator in a wireless communication device utilizing slotted paging