Patents
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
03/2004
03/23/2004US6711139 Transmitting and receiving apparatus for satellite communications
03/23/2004US6711124 Time interval based channel estimation with transmit diversity
03/23/2004US6711095 Expenable/recoverable voice and data communications system buoy
03/23/2004US6709784 Back-up battery for a cellular telephone
03/23/2004CA2317621C A transmitter architecture employing space time spreading and orthogonal transmit diversity techniques
03/23/2004CA2307204C Radio communication terminal apparatus and transmission power control method
03/23/2004CA2245194C Spread spectrum signal generating device and method in transmitter of mobile communications system
03/23/2004CA2224684C Method and apparatus for determining signal strength in a spread spectrum communication system having a variable data rate
03/18/2004WO2004023835A2 Method and apparatus for call notification and delivery to busy mobile station
03/18/2004WO2004023834A1 Apparatus and method for providing qos service schedule and bandwidth allocation to a wireless station
03/18/2004WO2004023827A1 Intelligent communication node object beacon framework
03/18/2004WO2004023748A1 A system to deliver internet media streams, data & telecommunications
03/18/2004WO2004023740A1 Signal propagation delay routing
03/18/2004WO2004023705A1 Maximum likelihood based interference cancellation for space-time coded signals
03/18/2004WO2004023704A2 Extended algorithm data estimator
03/18/2004WO2004023695A2 Phase shifted time slice transmission to improve handover
03/18/2004WO2004023679A2 Compensating for frequency shift and timing shift in frequency and time tracking loops based on mobile unit velocity
03/18/2004WO2004023678A2 Method of and system for calibrating a repeater
03/18/2004WO2004023677A2 System and method for managing communications with mobile platforms operating within a predefined geographic area
03/18/2004WO2004023676A1 Signal, interference and noise power measurement
03/18/2004WO2004023675A1 Vsat mmic transceiver with automatic power control
03/18/2004WO2004023674A1 Antenna selection method
03/18/2004WO2004023672A2 Adapting operation of a pilot signal filter based on mobile unit velocity
03/18/2004WO2004023666A1 Method and system for reducing the effect of signal-interference in null-areas caused by one or more antennas
03/18/2004WO2004023665A2 Vertical dynamic beam-forming
03/18/2004WO2004023663A1 Coding-assisted mimo joint detection and decoding
03/18/2004WO2004023241A2 Intelligent communication node object beacon framework in a mobile ad hoc network
03/18/2004WO2004012493A3 Controlling wlan bandwidth allocation
03/18/2004WO2004002016A3 Reducing service outages in a multibeam satellite system
03/18/2004WO2003105388A3 Method for assigning inbound transmissions with minimal signaling overhead
03/18/2004WO2003096580A3 Synchronization for extending battery life
03/18/2004WO2003092997A3 Dual frequency band wireless lan
03/18/2004WO2003088521A3 Method and apparatus for determining receive diversity in mobile station
03/18/2004WO2003067134A3 An apparatus for pipeline isolation
03/18/2004WO2003052963A9 Systems and techniques for channel gain computations
03/18/2004WO2003021972A3 Multi-user detection
03/18/2004WO2002100005A3 A method of cellular communication
03/18/2004US20040054598 Method of invoking privacy
03/18/2004US20040054473 Vehicle tracking system
03/18/2004US20040054464 Location confirmation system and information transmitting method for use in the system
03/18/2004US20040053696 Character information providing system and method and character doll
03/18/2004US20040053636 Portable communication terminal capable of communicating with information terminal and method of converting control protocol of the same between different kinds of networks
03/18/2004US20040053634 Adaptive pointing for use with directional antennas operating in wireless networks
03/18/2004US20040053633 Apparatus for stabilizing transmission power of broadband code division multiple access type mobile communication terminal
03/18/2004US20040053631 Electronic systems
03/18/2004US20040053619 Method for providing interactive data service in a mobile communication system
03/18/2004US20040053615 Method for performing handover based compressed mode and common frequency of neighbor cells
03/18/2004US20040053614 Method for seamless inter-frequency hard handover in radio communication system
03/18/2004US20040053592 Assessment of delay estimation quality using interference estimates
03/18/2004US20040053588 Decision feedback equalizer with embedded coherent signal combiner
03/18/2004US20040053587 Radio receiving system and method
03/18/2004US20040053586 Combined discrete automatic gain control (AGC) and DC estimation
03/18/2004US20040053583 System and method for improved spectrum use
03/18/2004US20040053582 Portable radio device having antenna switching function
03/18/2004US20040053581 Radio device with transmission directivity, and control method and control program for the radio device
03/18/2004US20040053574 Methods and apparatus for resource management in integrated wireless data and voice communications
03/18/2004US20040053526 Receive diversity antenna system for use with multiple radios
03/18/2004US20040052319 Demodulation timing generation circuit and demodulation apparatus
03/18/2004US20040052305 Construction of an interference matrix for a coded signal processing engine
03/18/2004US20040052270 Rolling history display of multi-slot channel contents
03/18/2004US20040052269 Multiple calendar schedule reservation structure and method
03/18/2004US20040052267 Apparatus and method for outputting sequence of vectors, data recording medium, and carrier wave signal
03/18/2004US20040052246 Method of managing radio bearer in mobile communication system
03/18/2004US20040052235 Formatter, method of formatting encoded symbols and wireless communication system employing the same
03/18/2004US20040052230 Method and apparatus for detecting forward and reverse link imbalance in digital cellular communication systems
03/18/2004US20040052229 System for efficient recovery of Node-B buffered data following MAC layer reset
03/18/2004US20040052228 Method and system of frequency and time synchronization of a transceiver to signals received by the transceiver
03/18/2004US20040052205 OFDM receiver for easily synchronizing base band signal
03/18/2004US20040050551 Fracturing different levels within a completion interval of a well
03/18/2004DE19753686B4 Notrufsystem Emergency call system
03/18/2004DE10337089A1 Sammlung interner Informationen eines Mobilkommunikationsendgeräts durch ein externes Modul Collection of internal information of a mobile communication terminal by an external module
03/18/2004DE10329661A1 Adaptive transmit equalizer for communication system, has tuning engine to generate performance metric values based on digital symbol, and configured to identify filter coefficient based on metric values using simplex algorithm
03/18/2004DE10243149A1 Radio data transmissions between a base station and a number of mobile telephones in a cell, controlling base station power based on reception quality values received from mobiles
03/18/2004DE10241359A1 Method for generating transmission signals for speech, data and/or signaling via an RF-interface in RF communication system (GSM), requires target value selected from two possible target
03/18/2004CA2498097A1 Intelligent communication node object beacon framework
03/18/2004CA2498020A1 Extended algorithm data estimator
03/18/2004CA2498016A1 Vertical dynamic beam-forming
03/18/2004CA2497894A1 Signal propagation delay routing
03/18/2004CA2497889A1 Intelligent communication node object beacon framework in a mobile ad hoc network
03/18/2004CA2497692A1 Method and system for reducing the effect of signal-interference in null-areas caused by one or more antennas
03/18/2004CA2497518A1 A system to deliver internet media streams, data & telecommunications
03/18/2004CA2496786A1 Adapting operation of a pilot signal filter based on mobile unit velocity
03/17/2004EP1398988A1 Method for providing interactive data service in a mobile communication system
03/17/2004EP1398981A2 Using location information to control transmission signal levels of wireless devices
03/17/2004EP1398910A1 Position dependent routing of a connection between two mobile stations via one or more intermediate mobile stations
03/17/2004EP1398892A1 Method for representing format indicator bits in a frame to be sent in compressed mode
03/17/2004EP1398891A2 High speed data service via satellite modem termination system and satellite modems
03/17/2004EP1398890A1 Radio base station apparatus and radio transmitting method
03/17/2004EP1398889A1 Frequency error detector and combiner in receiving end of mobile communication system
03/17/2004EP1398888A1 Adaptive array antenna reception apparatus and method
03/17/2004EP1398887A1 Dual band diversity receiver
03/17/2004EP1398886A2 Dynamic bias for rf power amplifiers
03/17/2004EP1398845A2 Spectrally efficient high capacity wireless communication systems
03/17/2004EP1397935A1 Communications method, apparatus and signal
03/17/2004EP1397934A1 Handover in cellular communication system
03/17/2004EP1397925A2 Method and device for transmitting information
03/17/2004EP1397894A1 Pre-equalizer correcting the magnitude of a received signal without regard to phase distortions
03/17/2004EP1397880A1 Joint timing recovery and equalization for an n-antennae system
03/17/2004EP1397875A1 Method and apparatus for congestion control in a wireless communication system
03/17/2004EP1397874A1 Method of synchronizing a mobile station with a base station