Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › H04B 7 - Radio transmission systems, i.e. using radiation field
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
07/1998
07/16/1998WO1998031112A2 Method and apparatus for estimating field strength
07/16/1998WO1998031111A1 Frame synchronization system between base stations of mobile radio communication system and base station device employing this system
07/16/1998WO1998031110A1 Method for improving system capacity in a cellular radio system, and a base station
07/16/1998WO1998030993A1 Teaching apparatus for magnetic torque experiments
07/16/1998WO1998024199A3 Method for load control, and radio system
07/16/1998WO1998024198A3 Method of setting load goal, and radio system
07/16/1998WO1998020698A3 Method and apparatus for performing position- and preference-based service selection in a mobile telephone system
07/16/1998WO1998020634A3 Frequency sharing for satellite communication system
07/16/1998DE19653469A1 Link control method between terminals of radio communication network
07/15/1998EP0853393A1 Transmitted power controller
07/15/1998EP0853392A2 Subcarrier frequency division multiplexing of modulated backscatter signals
07/15/1998EP0853391A2 Method and apparatus for enhancing transmitter circuit efficiency of mobile radio units
07/15/1998EP0853388A2 Phase correction method and apparatus for wireless spread spectrum receiver
07/15/1998EP0853387A2 Method and apparatus for transmitting and receiving multichannel signals
07/15/1998EP0853288A2 Encryption for modulated backscatter systems
07/15/1998EP0852882A1 Time sharing method and apparatus for frequency reuse in cellular communication systems
07/15/1998EP0852869A1 Method and system for transferring data between a mobile and a stationary group of persons
07/15/1998EP0852855A1 Base stations requiring synchronisation in a radio multi-cellular telecommunication system
07/15/1998EP0852854A1 A method of supporting extended range in a tdma system
07/15/1998EP0852853A1 Cellular communication system with multiple code rates
07/15/1998EP0852852A1 Method and apparatus for power control in a communication system
07/15/1998EP0852822A1 Magnetically driven vertically correcting antenna for portable telephones
07/15/1998EP0761068B1 Telecommunications system
07/15/1998CN1187929A Temporary frame identification for ARQ in reservation-slotted-ALOHA type of protocol
07/15/1998CN1187917A Method and apparatus for determining signal strength in spread spectrum communication system having variable data rate
07/15/1998CN1187916A Arrangement and method in base station
07/15/1998CN1187744A Spread spectrum communication system
07/15/1998CN1187743A CDMA communication system and its transmission power control method
07/15/1998CN1187721A Multiple satellite fade attenuation control system
07/14/1998US5781859 RF repeater arrangement with improved frequency reuse for wireless telephones
07/14/1998US5781856 Concentrated subscriber system for wireless local loop
07/14/1998US5781848 Mobile telephone device wherein a compressor circuit performs amplitude compression such that a less variable gain is given to an audio signal having a lower level range than an audio signal having a higher level range
07/14/1998US5781845 Adaptive transmitting antenna
07/14/1998US5781595 Voice transmitting apparatus and voice receiving apparatus using unique word patterns
07/14/1998US5781592 Selective diversity system
07/14/1998US5781582 Frequency agile transceiver with multiple frequency synthesizers per transceiver
07/14/1998US5781541 In a communications system
07/14/1998US5781540 Device and method for communicating in a mobile satellite system
07/14/1998US5781538 Subscriber unit in a wireless personal communication system
07/14/1998US5781152 Method and circuit for the reception of signals for positioning by satellite with elimination of multiple-path errors
07/14/1998US5779327 Pressure supply system having a malfunction detection device
07/14/1998US5779195 Satellite assembly having modular common bus components
07/14/1998CA2029284C Relay communication system
07/14/1998CA2021382C Radio link architecture for wireless communication systems
07/13/1998CA2194916A1 Alternative information source access using small rf transmitters
07/09/1998WO1998030055A1 A method for selecting a signal, and a cellular radio system
07/09/1998WO1998030052A1 Hand-over method
07/09/1998WO1998030047A1 Channel assignment and call admission control for spatial division multiple access communication systems
07/09/1998WO1998030042A2 User terminal for mobile communications
07/09/1998WO1998030033A2 Method for determining radio network hot spot area location, and transceiver
07/09/1998WO1998030032A2 Simulcast handoff method compensating for cable length differences
07/09/1998WO1998030031A2 Selecting a signal at the bsc for soft handoff application
07/09/1998WO1998029995A1 Apparatus, methods and computer program products for sequential maximum likelihood estimating communications signals using whitening path metrics
07/09/1998WO1998029993A1 Output queueing in a broadband multi-media satellite and terrestrial communications network
07/09/1998WO1998029990A1 A fault tolerant switching system for satellite and terrestrial networks
07/09/1998WO1998029970A1 Frame transmitter-receiver
07/09/1998WO1998029969A2 Communication terminal having proximity detector method and apparatus for safe wireless communication
07/09/1998WO1998029968A2 Portable satellite phone for communication with direct link to satellite
07/09/1998WO1998029967A2 Communication system with direct link to satellite
07/09/1998WO1998029966A2 Fixed communication terminal having proximity detector method and apparatus for safe wireless communication
07/09/1998WO1998029965A1 Forward link transmission mode for cdma cellular communications system using steerable and distributed antennas
07/09/1998WO1998029964A1 Transmission time delay measurement at transmission paths in a radio telecommunication system
07/09/1998WO1998029963A1 Method for generating dummy frequencies for frequency hard handover in code division multiple access mobile communication system
07/09/1998WO1998029962A2 Method for repeater management
07/09/1998WO1998029961A2 A cellular radio system and a method for measuring the interference level
07/09/1998WO1998029960A2 Method for allocating rake branches and rake receiver
07/09/1998WO1998029922A1 Method for integrating antennas in a distributed antenna system
07/09/1998WO1998029919A1 Device for contactless transmission of electrical signals and/or energy
07/09/1998WO1998029850A1 A communications system and method using vehicle identifications
07/09/1998WO1998029826A1 System for communicating by remote interrogating for transmitting inhibiting commands
07/09/1998WO1998017075A3 Method and apparatus for configuring a modem
07/09/1998WO1998017031A3 A method for configuring and routing data within a wireless multihop network and a wireless network for implementing the same
07/09/1998CA2276511A1 Method for repeater management
07/09/1998CA2276418A1 Forward link transmission mode for cdma cellular communications system using steerable and distributed antennas
07/09/1998CA2276404A1 Method for integrating antennas in a distributed antenna system
07/09/1998CA2276395A1 A communications system and method using vehicle identifications
07/09/1998CA2276255A1 Apparatus, methods and computer program products for sequential maximum likelihood estimating communications signals using whitening path metrics
07/09/1998CA2275956A1 System for communicating by remote interrogating for transmitting inhibiting commands
07/09/1998CA2274508A1 Channel assignment and call admission control for spatial division multiple access communication systems
07/09/1998CA2247897A1 Output queueing in a broadband multi-media satellite and terrestrial communications network
07/09/1998CA2247894A1 A fault tolerant switching system for satellite and terrestrial networks
07/08/1998EP0852448A1 User terminal for mobile communications
07/08/1998EP0852434A2 Transmitter with high-frequency power amplifier for a communication device
07/08/1998EP0852430A2 Initial synchronization DS-CDMA asynchronous cellular system
07/08/1998EP0852085A1 Cellular communications system
07/08/1998CN1187281A Multiple hyperband radiocommunication system
07/08/1998CN1187271A Acoustic echo elimination in a digital mobile communications system
07/08/1998CN1187096A Radiocommunication appartus, and radiocommunication system
07/08/1998CN1187089A Circuit and method for adaptively calculating decision error of digital signal in digital modulation system
07/07/1998US5778322 Method and apparatus for controlling transceiver operations in a radio communications system to reduce same channel frequency interference
07/07/1998US5778316 Method and apparatus for selecting a control channel based on service availability
07/07/1998US5778309 Gain adjustment method in two-way communication systems
07/07/1998US5778307 Amplifier with adaptive output allocation and method thereof
07/07/1998US5778030 Method and apparatus for power control in a communication system
07/07/1998US5778023 Data reproducing apparatus for spread spectrum signal
07/07/1998US5777991 Personal communication apparatus with call switching modem and packet switching modem
07/07/1998US5777990 Method and apparatus for providing variable rate data in a communications system using non-orthogonal overflow channels
07/07/1998US5777910 Sparse equalization filter adaptive in two dimensions
07/07/1998US5777908 Comb filter with a smaller number of delay elements
07/07/1998US5777693 Diversity receiving apparatus for a mobile unit
1 ... 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 ... 1865