Patents
Patents for H04B 1 - Details of transmission systems, not covered by a single one of groups; Details of transmission systems not characterised by the medium used for transmission (188,568)
05/2004
05/27/2004US20040101038 Systems and methods for far-end noise reduction and near-end noise compensation in a mixed time-frequency domain compander to improve signal quality in communications systems
05/27/2004US20040101034 Enhancing CDMA multiuser detection by constraining soft decisions
05/27/2004US20040101033 Radio transmitting apparatus, radio receiving apparatus, radio transmitting method, and radio receiving method
05/27/2004US20040101032 Space time transmit diversity for TDD/WCDMA systems
05/27/2004US20040100985 System and method for the reuse of S-CDMA parameters to define TDMA minislot size
05/27/2004US20040100935 Method and apparatus for fast w-cdma acquisition
05/27/2004US20040100928 Code-division-multiple-access (DS-CDMA) channels with aperiodic codes
05/27/2004US20040100925 Mobile station, base station, communication system, and communication method
05/27/2004US20040100875 Sharing device for multiple audio sources
05/27/2004US20040100873 Apparatus and method for adjusting time in a terminal with built-in analog watch
05/27/2004US20040100748 Adaptive current limiter for wireless modem
05/27/2004US20040100588 Expanded information capacity for existing communication transmission systems
05/27/2004US20040100414 Device for separating transmission and reception signals
05/27/2004US20040100412 EMC- arrangement for a device employing wireless data transfer
05/27/2004US20040100391 Programmable transmitter and receiver including digital radio frequency memory
05/27/2004US20040100376 Healthcare monitoring system
05/27/2004US20040100342 Filter element, and filter device, duplexer, and high-frequency circuit each including said filter element
05/27/2004US20040100328 Circuits and methods for reducing interference from switched mode circuits
05/27/2004US20040100210 Peak factor reduction device
05/27/2004US20040099744 Reader and transponder in enclosures
05/27/2004DE10317077A1 Verbesserte Zellular-Antennenanordnung Improved cellular antenna array
05/27/2004DE10251315A1 Automatische Mittenfrequenzabstimmung eines spannungsgesteuerten Oszillators Automatic center frequency tuning of a voltage controlled oscillator
05/27/2004DE10200653B4 Skalierbarer Codierer, Verfahren zum Codieren, Decodierer und Verfahren zum Decodieren für einen skalierten Datenstrom Scalable encoder for encoding process, and decoder process for decoding for a scaled data stream
05/27/2004CA2505323A1 Controlling power output of a modem for power line communications
05/27/2004CA2505035A1 Method and apparatus for determining signal-to-interference ratio with reduced bias effect
05/27/2004CA2504822A1 Noise and channel estimation using low spreading factors
05/26/2004WO2005048480A1 Intelligent code tracking for spread spectrum systems
05/26/2004EP1422937A2 Data broadcast receiving apparatus, code signal output device, and broadcast receiving apparatus control method
05/26/2004EP1422931A1 Mobile communication terminal having camera
05/26/2004EP1422911A2 Sliding-type portable wireless terminal
05/26/2004EP1422853A1 Radio transmission system and method and transmission station apparatus and reception station apparatus used in the radio transmission system
05/26/2004EP1422852A1 Multi-carrier cdma transmission system, transmission apparatus and reception apparatus used in the system, and multi-carrier cdma transmission method
05/26/2004EP1422851A1 Radio communication apparatus and radio communication method
05/26/2004EP1422850A1 Multi-pass interference removal apparatus and multi-pass interference removal method
05/26/2004EP1422839A1 RADIO COMMUNICATION SYSTEM, TERMINAL STATION AND BASE STATION OF RADIO COMMUNICATION SYSTEM, AND TRANSMISSION POWER CONTROL METHOD OF RADIO COMMUNICATION SYSTEM
05/26/2004EP1422836A1 Method and apparatus for rate determination in a communication system
05/26/2004EP1422833A2 Information transmission system and information transmission method
05/26/2004EP1422832A1 Process and device for synchronization and codegroup identification in CDMA cellular communication systens
05/26/2004EP1422831A1 Method for the processing in the receiver of a CDMA signal in a radio communication system
05/26/2004EP1422823A2 Matching unit with switching means for VHF/UHF bands
05/26/2004EP1422822A2 Frequency generation in a wireless communication unit
05/26/2004EP1422787A1 Portable wireless communication apparatus
05/26/2004EP1421824A2 Wireless transmitter and hearing system
05/26/2004EP1421793A1 A software controlled multi-mode bi-directional communication device
05/26/2004EP1421757A2 Method and apparatus for enhancing data rates in spread spectrum communication systems
05/26/2004EP1421743A2 Implementing a physical layer automatic repeat request for a subscriber unit
05/26/2004EP1421725A1 Dynamic link adaption for time division duplex (tdd)
05/26/2004EP1421711A2 Systems and techniques for power control
05/26/2004EP1421709A1 Method for physical layer automatic repeat request for a subscriber unit
05/26/2004EP1421708A1 Despread signal recovery in digital signal processors
05/26/2004EP1421707A2 Spread spectrum receiver architectures and methods therefor
05/26/2004EP1421706A1 Data message bit synchronization and local time correction methods and architectures
05/26/2004EP1421704A1 Methods and apparatus for clock and power control in wireless systems
05/26/2004EP1421703A1 Method and apparatus for relayed communication using band-pass signals for self-interference cancellation
05/26/2004EP1421702A2 Mobile content delivery system
05/26/2004EP1421701A2 Method for reproducing multimedia files in a terminal
05/26/2004EP1421700A2 Digital equalization process and mechanism
05/26/2004EP1421678A2 Switching power supply for rf power amplifiers
05/26/2004EP1421677A2 Transmitter system, especially for cellular telephony
05/26/2004EP1421676A2 Method and apparatus for conversion of radio frequency (rf) signals using aperiodic mixing signals
05/26/2004EP1421588A2 Method and apparatus utilizing flash burst mode to improve processor performance
05/26/2004EP1421579A1 Audio coding with non-uniform filter bank
05/26/2004EP1421574A1 Smart electronic label employing electronic ink
05/26/2004EP1421497A2 High-speed program tracing
05/26/2004EP1421490A1 Methods and apparatus for improving throughput of cache-based embedded processors by switching tasks in response to a cache miss
05/26/2004EP1421465A2 Dynamic voltage control method and apparatus
05/26/2004EP1421463A1 Phase locked loops fast power up methods and apparatus
05/26/2004EP1374387A4 System for controlling the frequency of an oscillator
05/26/2004EP1247354B1 Wireless communication system with selectively sized data transport blocks
05/26/2004EP1245100B1 Channel estimation for time division duplex communication systems
05/26/2004EP1234399B1 Method and device for processing a digital data signal in a cdma radio transmitter
05/26/2004EP1210805B1 Device for the ideal synchronization of code signals
05/26/2004EP1198936B1 Method for adaptive estimation of channel impulse responses of a wireless telephone channel
05/26/2004EP1119928B1 Method for equalization of complementary carriers in an am compatible digital audio broadcast system
05/26/2004EP1048149B1 Network switch with panic mode
05/26/2004EP1025650A4 Parallel correlator architecture for synchronizing direct sequence spread-spectrum signals
05/26/2004EP0901722B1 Subscriber unit for cdma wireless communication system
05/26/2004EP0776555B1 Multiple access coding using bent sequences for mobile radio communications
05/26/2004EP0776106B1 Method for synchronizing spreading code and device for synchronizing spreading code
05/26/2004CN2618391Y Tree-frequency antenna
05/26/2004CN2618371Y Long-range digital image thermometric coder
05/26/2004CN2618370Y Manual HART communication devices
05/26/2004CN1500362A CDMA redio base station appts. and duplexing system thereof
05/26/2004CN1500332A Circuit arrangement for demodulating voltage that is (ask)-inodulated by change of amplitude between low and high level
05/26/2004CN1500323A Wireless clock synchronization
05/26/2004CN1500322A Digital circuit transmission device
05/26/2004CN1500317A Method of controlling reverse transmission in mobile communication system
05/26/2004CN1500316A Multi-user demodulaton appts., reception appts., and multi-channel demodulation method
05/26/2004CN1500315A Method and appts. for fast W-CDMA acquisition
05/26/2004CN1500314A Rake receiver with embedded decision feedback equalizer
05/26/2004CN1500313A Frequency plan
05/26/2004CN1500311A Hands-free device for operating mobile telephones in motor vehicles
05/26/2004CN1500310A Radio communicaton appts
05/26/2004CN1500297A Antenna appts. and communication appts. using same
05/26/2004CN1500245A Iterative fast fourier transform error correction
05/26/2004CN1499917A Outer case of portable device
05/26/2004CN1499894A Redundancy system of multi-source acoustic equipment
05/26/2004CN1499887A Mobile communication terminal device and method of selecting wireless communication link
05/26/2004CN1499884A Mobile telephone with remote control function, remote control method and its system
05/26/2004CN1499881A Mobile telephone having function of saving electricity