Patents
Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426)
02/1999
02/04/1999DE19741872C1 Adaptive receiver for CDMA base station
02/04/1999DE19726940A1 Sende- und Empfangsvorrichtung Transmission and reception apparatus
02/04/1999CA2297734A1 Method and apparatus for converting a wideband if signal to a complex (quadrature) baseband signal
02/04/1999CA2297700A1 Methods and apparatus for canceling adjacent channel signals in digital communications systems
02/04/1999CA2297662A1 Methods and apparatus for joint demodulation of adjacent channel signals in digital communications systems
02/04/1999CA2297658A1 Internet caching system
02/04/1999CA2297252A1 Method and apparatus for data transmission using time gated frequency division duplexing
02/03/1999EP0895437A2 Wireless communication system, apparatus and method to communicate using a plurality of communication slots in time division multiple access technique
02/03/1999EP0895436A2 Combined multi-beam & sector coverage antenna array
02/03/1999EP0895394A2 Radiotelephone
02/03/1999EP0895384A2 Sequence estimation method and sequence estimator
02/03/1999EP0895367A2 Device for connection to a SDH-microwave link
02/03/1999EP0895364A1 Frame structure for a multi-rate CDMA communication system
02/03/1999EP0895300A2 Antenna coupler for testing of mobile telephones
02/03/1999EP0895299A1 Portable radio device
02/03/1999EP0894414A1 Method and system for selecting an antenna beam of a base station of a radio system
02/03/1999EP0894413A1 Method and apparatus for tdma wireless communication employing collector arrays for range extension
02/03/1999EP0894388A1 Pilot-symbol-assisted radiotelephone communications
02/03/1999EP0894374A1 Method and apparatus for cordless infrared communication
02/03/1999EP0894373A1 Repeater with variable bandwidth
02/03/1999EP0894372A1 Channel-selective repeater for mobile telephony
02/03/1999EP0894371A1 System and method for reducing interference generated by a digital communication device
02/03/1999EP0894370A1 Dividable transmit antenna array for a cellular base station and associated method
02/03/1999EP0894369A1 Distribution of radio-frequency signals through low bandwidth infrastructures
02/03/1999EP0894368A1 Method and apparatus for interference decorrelation in time and space
02/03/1999EP0894367A1 Method and apparatus for interference rejection with different beams, polarizations, and phase references
02/03/1999EP0894366A1 Adaptive compensation of doppler shift in a mobile communication system
02/03/1999EP0894365A1 Method for estimating impulse response, and receiver
02/03/1999EP0667085A4 Method and apparatus for reducing an audio hole during handoff in a communication system.
02/03/1999CN1207231A Process and device for data transmission in a cellular radio system
02/03/1999CN1207230A Communication system with base station transceiver and radio communication units
02/03/1999CN1207223A High-penetration transmission method for a radiocommunication system
02/03/1999CN1207219A Aeronautical cellular network
02/03/1999CN1207006A CDMA radio transmitter and receiver
02/03/1999CN1207004A Radio telephone with differential driving various antenna structure and driving method
02/03/1999CN1206999A Method for interfacing local station with control station by modem
02/03/1999CN1206970A Bidirectional equalization transmitting and receiving equipment
02/02/1999US5867792 Radio communication system
02/02/1999US5867791 Up link macro diversity method and apparatus in a digital mobile radio communication system
02/02/1999US5867786 System for monitoring carriers of peripheral zones
02/02/1999US5867784 Call forwarding in a mobile communication system
02/02/1999US5867783 Medium-earth-altitute satellite-based cellular telecommunications
02/02/1999US5867782 Method of indicating outer communication range in digital cordless telephone system
02/02/1999US5867776 Receiver for receiving text-based multiplex broadcasts
02/02/1999US5867769 Transmission power control apparatus in earth station for satellite communication
02/02/1999US5867765 Non-geostationary satellite mobile communication system integration with network principles for terrestrial cellular
02/02/1999US5867531 Maximum likelihood sequence estimator and maximum likelihood sequence estimating method
02/02/1999US5867530 Communication system for providing uninterrupted radio operation
02/02/1999US5867527 Method of searching for a bursty signal
02/02/1999US5867489 Method and apparatus for TDMA slot synchronization with precision ranging
02/02/1999US5867488 Digital multi-channel simulcast system with centralized timestamping device
02/02/1999US5867292 Infrared digital and analog communication system
02/02/1999US5867124 Method of processing a paging signal from a satellite transmitter
02/02/1999US5867109 Communications system
02/02/1999CA2175242C Wideband fft channelizer
02/02/1999CA2086358C Tap-weight controller for adaptive matched filter receiver
02/02/1999CA2063358C Integration of wireless paging in a communication system
01/1999
01/31/1999CA2242729A1 Active repeater for transmission system
01/28/1999WO1999004593A1 A method of and apparatus for selecting base stations to communicate with a remote station
01/28/1999WO1999004592A1 Data communication method, mobile machine, and radio base station
01/28/1999WO1999004591A1 Cdma mobile station and cdma transmission method
01/28/1999WO1999004586A1 Radio transmission method and cordless phone mainly intended for dect standards
01/28/1999WO1999004582A1 Location dependent www service in digital cellular communication networks
01/28/1999WO1999004538A1 Method and apparatus for data transmission within a broad-band communication system
01/28/1999WO1999004537A1 Determination of the length of a channel impulse response
01/28/1999WO1999004525A1 Cdma direct spread overlay system and method of operation
01/28/1999WO1999004522A1 Method and apparatus for adaptive loss-less compression of cell/packet headers
01/28/1999WO1999004521A2 A method and apparatus for segmentation and reassembly of packets/cells over satellite/wireless networks
01/28/1999WO1999004519A2 Combined array processing and space-time coding
01/28/1999WO1999004515A1 Method and apparatus for fast acquisition and synchronization of transmission frames
01/28/1999WO1999004512A1 Wireless telecommunications system with a cdma, fdma and tdma multiple access component, especially a 'jd-cdma' telecommunications system with hybrid multiple access techniques
01/28/1999WO1999004511A2 Cellular system traffic allocation and dynamic load balancing
01/28/1999WO1999004510A1 Synchronization of a mobile satellite system with satellite switching
01/28/1999WO1999004509A1 Method and apparatus for minimizing delay variance via time divided transmissions
01/28/1999WO1999004508A1 Multicarrier demux/demod (mcdd) wireless network architecture
01/28/1999WO1999004340A1 A frame format and frame assembling/disassembling method for the frame format
01/28/1999WO1999004339A2 Method and apparatus for improving asynchronous transfer mode operation over noisy, high speed wireless links
01/28/1999WO1999004338A1 Method and apparatus for adaptive control of forward error correction codes
01/28/1999WO1998049854A3 Method and home base station to set up a link for a mobile station
01/28/1999WO1998048586A3 Channel selection method in gsm/dcs-based cellular radio network
01/28/1999WO1998048530A3 System and method for dynamically increasing the capacity of a code division multiple access radio telecommunications network
01/28/1999WO1998048529A3 System and method for allocating channel elements in a code division multiple access radio telecommunications network
01/28/1999WO1998048526A3 Time-multiplexed short-range magnetic communications
01/28/1999DE19732122A1 Data transmission method
01/28/1999DE19731205A1 Verfahren und Funk-Kommunikationssystem zur Informationsübertragung mittels ATM-Zellen Method and radio communication system for transmitting information by means of ATM cells
01/28/1999CA2429736A1 Cdma mobile station apparatus and cdma transmission method
01/28/1999CA2297054A1 Radio transmission method and telephone system, particularly for dect standard
01/28/1999CA2294507A1 Cdma direct spread overlay system and method of operation
01/28/1999CA2294104A1 Cellular system traffic allocation and dynamic load balancing
01/28/1999CA2266508A1 Data communication method, mobile machine, and radio base station
01/27/1999EP0893931A1 Method for determining timing advance in a cellular radio communication system
01/27/1999EP0893903A1 Extraction means for battery pack in a telephone
01/27/1999EP0893891A2 High efficiency signaling with minimum spacecraft hardware
01/27/1999EP0893890A2 CDMA Transceiver and transmission power control in mobile communication systems
01/27/1999EP0893889A2 Method and apparatus for transmission power control in a CDMA communication system
01/27/1999EP0893888A2 Spread spectrum communication apparatus and rake receiver
01/27/1999EP0893036A1 Rotating lobe access method
01/27/1999EP0893013A2 Spread spectrum random access systems and methods for time division multiple access radiotelephone communications systems
01/27/1999EP0893012A2 Systems and methods for random access in time division multiple access satellite radiotelephone communications
01/27/1999EP0707780B1 Frequency plan for a cellular network