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)
06/2004
06/01/2004USRE38523 Spreading code sequence acquisition system and method that allows fast acquisition in code division multiple access (CDMA) systems
06/01/2004US6745060 Signal processing apparatus
06/01/2004US6745052 Method and apparatus for signal equalization in a communication system with multiple receiver antennas
06/01/2004US6745050 Multichannel multiuser detection
06/01/2004US6745046 Integrated antenna coupler element
06/01/2004US6745045 Common control channel uplink power control for adaptive modulation and coding techniques
06/01/2004US6745042 Synchronization of wireless communication between devices
06/01/2004US6745035 Communication terminal apparatus and transmission method of information necessary for communication using a downlink shared channel (DSCH)
06/01/2004US6745020 Direct downconversion receiver
06/01/2004US6745019 Process and system for reducing leakage of local oscillator
06/01/2004US6745018 Active cancellation of a wireless coupled transmit signal
06/01/2004US6745016 Automatic gain control method and device
06/01/2004US6745014 Communications interface for wireless communications headset
06/01/2004US6745007 Method and apparatus for stability margin determination in a repeater
06/01/2004US6744907 Image capture methods and devices employing steganographic processing
06/01/2004US6744832 Analog-to-digital converter bank based ultra wideband communications
06/01/2004US6744831 Adaptive electronic transmission signal cancellation apparatus for full duplex communication
06/01/2004US6744830 Digital broadcasting signal receiver
06/01/2004US6744829 Calibration of a quadrature receiver
06/01/2004US6744828 Receiving apparatus
06/01/2004US6744811 Bandwidth management for DSL modem pool
06/01/2004US6744809 Efficient multipath centroid tracking circuit for a code division multiple access (CDMA) system
06/01/2004US6744808 Techniques to increase data transmission rate of spread spectrum communications systems
06/01/2004US6744807 Multi-dimensional spread spectrum modem
06/01/2004US6744806 Fast-synchronizing high-fidelity spread-spectrum receiver
06/01/2004US6744781 Base station for supporting communication rate modifications
06/01/2004US6744756 System for detecting short codes
06/01/2004US6744755 Base station for detecting short codes
06/01/2004US6744749 Method and apparatus for pilot estimation using a wiener filter
06/01/2004US6744747 Method & apparatus for W-CDMA handoff searching
06/01/2004US6744745 System for providing information and an apparatus which receives the information
06/01/2004US6744474 Recursive metric for NTSC interference rejection in the ATSC-HDTV trellis decoder
06/01/2004US6744404 Unbiased code phase estimator for mitigating multipath in GPS
06/01/2004US6744369 Gate entry system using short range radio communications with user terminal devices
06/01/2004US6744367 Identification tag
06/01/2004US6744357 Signal receiver for tire air pressure monitoring system
06/01/2004US6744327 Tunable voltage controlled oscillator
06/01/2004US6744317 Digital linearizer of high power amplifier and digital linearizing method
06/01/2004US6744316 Method and apparatus far reduction of distortion in a transmitter
06/01/2004US6744315 Transmission amplifier
06/01/2004CA2187343C Wideband fft channelizer
05/2004
05/27/2004WO2004045199A2 System and method for processing symbols embedded in digital video
05/27/2004WO2004045122A1 Cdma transmitting apparatus and cdma receiving apparatus
05/27/2004WO2004045121A1 Method for multi-user demodulation with variable spread spectrum coefficient
05/27/2004WO2004045117A1 Method and apparatus for rake combining based upon signal to interference noise ratio
05/27/2004WO2004045107A1 Code-division multiple-access (cdma) wireline telemetry system
05/27/2004WO2004045103A1 Reduced complexity mmse multiuser detection for a multirate cdma link
05/27/2004WO2004045102A1 Single oscillator dsss and ofdm radio receiver and transmitter
05/27/2004WO2004045099A1 Wireless access to emulate operation of a remote computer
05/27/2004WO2004045098A1 Cellular phone cordless home base unit
05/27/2004WO2004045096A2 Noise and channel estimation using low spreading factors
05/27/2004WO2004045095A1 Method and apparatus for processing an amplitude modulated (am) signal
05/27/2004WO2004045094A1 Device for detecting a signal using a non-linear system
05/27/2004WO2004045093A1 Transmission stage comprising phases and an amplitude regulating loop
05/27/2004WO2004045091A2 Rf circuit with frequency agile sequential amplifiers
05/27/2004WO2004045089A2 Ultra-wideband pulse modulation system and method
05/27/2004WO2004045088A2 System and method for heterodyning an ultrasonic signal
05/27/2004WO2004045086A2 Controlling power output of a modem for power line communications
05/27/2004WO2004045085A2 Method and apparatus for determining signal-to-interference ratio with reduced bias effect
05/27/2004WO2004045079A2 Method of real time mpeg-4 texture decoding for a multiprocessor environment
05/27/2004WO2004044830A1 Region-of-interest tracking method and device for wavelet-based video coding
05/27/2004WO2004025841A3 Techniques for correcting for phase and amplitude offsets in a mimo radio device
05/27/2004WO2004021506A3 Iterative multi-stage detection technique for a diversity receiver having multiple antenna elements
05/27/2004WO2004021029A3 Procedure for detection of an interfering multi-path condition
05/27/2004WO2004019540A3 Crest factor reduction processor for wireless communications
05/27/2004WO2004015876A3 Channel switching for support of multimedia broadcast and multicast services
05/27/2004WO2003088541A8 A coding method having intergroup zero correlation window characteristic for spread code
05/27/2004WO2003079524A3 Rectifier utilizing a grounded antenna
05/27/2004WO2003041311A3 Systems for monitoring broadcast content
05/27/2004WO2003001682A3 Quadrature demodulator using compensation of phase and amplitude imbalances
05/27/2004WO2002093781A3 Fm modulator using a phaselockloop
05/27/2004WO2002084684A3 Tunable planar capacitor
05/27/2004US20040103349 Programmable extended compression mask for dynamic trace
05/27/2004US20040103113 Information transmission system and information transmission method
05/27/2004US20040102967 Noise suppressor
05/27/2004US20040102931 Modular personal network systems and methods
05/27/2004US20040102227 Handsfree talking device for operating mobile telephones in motor vehicles
05/27/2004US20040102215 System and apparatus for performing broadcast and localcast communications
05/27/2004US20040102214 System and apparatus for performing broadcast and localcast communications
05/27/2004US20040102213 System and apparatus for performing broadcast and localcast communications
05/27/2004US20040102207 Device and method for regulating the output power of mobile
05/27/2004US20040102206 Communication system
05/27/2004US20040102203 Parameter estimation for adaptive antenna system
05/27/2004US20040102189 Apparatus and method of measuring interference
05/27/2004US20040102176 Semiconductor integrated circuit device and wireless communication system
05/27/2004US20040102174 Noise reduction device and wireless LAN base station apparatus using the device
05/27/2004US20040102173 Bias filtering module including MOS capacitors
05/27/2004US20040102172 Dual-mode RF communication device
05/27/2004US20040102171 RF modulator and switch having high antenna isolation
05/27/2004US20040102169 Real-time active phase control for high power amplifier combining for space applications
05/27/2004US20040102167 Method for displaying received signal strength bars in wireless terminal device
05/27/2004US20040102166 Computer-equipped mobility device for connecting to a network
05/27/2004US20040102165 Compensation for frequency adjustment in mobile communication-positioning device with shared oscillator
05/27/2004US20040102161 Wide bandwidth transceiver
05/27/2004US20040102159 Mobile terminal, control device, communication system and communication method
05/27/2004US20040101143 Method and system for digitally decoding an MTS signal
05/27/2004US20040101071 Radio base station apparatus, decoding apparatus used therefor which uses TFCI decoding characteristics, and decoding method therefor
05/27/2004US20040101068 Digital receiver capable of processing modulated signals at various data rates
05/27/2004US20040101067 Demodulator and receiver using it
05/27/2004US20040101044 Device with several transport current paths for receiving digital radio signals