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)
02/2003
02/25/2003US6526262 Phase-locked tracking filters for cellular transmit paths
02/25/2003US6526103 Multi-stage receiver
02/25/2003US6526101 Receiver for QAM digital television signals
02/25/2003US6526093 Method and apparatus for equalizing a digital signal received via multiple transmission paths
02/25/2003US6526090 Demodulation element assignment for a receiver capable of simultaneously demodulating multiple spread spectrum signals
02/25/2003US6526068 Interface control of communication between a control processor and a digital signal processor
02/25/2003US6526039 Method and system for facilitating timing of base stations in an asynchronous CDMA mobile communications system
02/25/2003US6526035 Method and apparatus for identifying the source of a digital signal
02/25/2003US6526032 Base station apparatus and transmission power control method
02/25/2003US6526031 Forward power control determination in spread spectrum communications systems
02/25/2003US6526027 Broadcast short message service execution method in a mobile communication system
02/25/2003US6525854 Portable radio terminal with infrared communication function, infrared emission power controlling method between portable radio terminal and apparatus with infrared communication function
02/25/2003US6525768 Positional camera and GPS data interchange device
02/25/2003US6525626 Duplexer and mobile communication device using the same
02/25/2003US6525624 Band-switchable surface acoustic wave antenna duplexer and mobile radio terminal
02/25/2003US6524019 Inter-cluster data transfer system and data transfer method
02/25/2003US6523966 LCD display with multi-color illumination means
02/25/2003US6523224 Hinge assembly with limited play
02/25/2003CA2266156C Television receiver with separate i-f amplifiers for vsb and qam digital tv signals that are digitally synchrodyned
02/25/2003CA2255323C Cell search method and mobile station apparatus
02/25/2003CA2075884C Integrated frequency synthesizer circuit for transmit-and-receive operation
02/20/2003WO2003015443A1 Mobile communication system, mobile communication method, base station, and mobile station
02/20/2003WO2003015438A1 A method and apparatus for handover in a cdma cellular communication system
02/20/2003WO2003015435A1 Method and apparatus for extending communication unit battery life
02/20/2003WO2003015432A1 Cellular base station architecture with soft partitioning
02/20/2003WO2003015402A1 Method and device for displaying program information in a banner
02/20/2003WO2003015401A1 Universal remote control capable of simulating a skip search
02/20/2003WO2003015364A1 Adaptive selection of the pilot filter for a wireless communication system
02/20/2003WO2003015322A1 Dynamic link adaption for time division duplex (tdd)
02/20/2003WO2003015310A1 A method for supporting variable data rates in a cdma system
02/20/2003WO2003015307A2 Acquisition of a gated pilot
02/20/2003WO2003015306A1 Methods and apparatus for selective demodulation and decoding of communications signals
02/20/2003WO2003015305A1 Despread signal recovery in digital signal processors
02/20/2003WO2003015304A1 Radio reception apparatus and radio reception method
02/20/2003WO2003015303A1 Cell searcher and cell searching method
02/20/2003WO2003015302A1 Mode controller for signal acquisition and tracking in an ultra wideband communication system
02/20/2003WO2003015301A1 Bypass filter, multi-band antenna switch circuit, and layered module composite part and communication device using them
02/20/2003WO2003015300A1 Multi-band tranceivers with reduced frequency sources for digital transmissions
02/20/2003WO2003015298A1 Mobile telephone and method for its manufacture
02/20/2003WO2003015297A1 Portable self-contained public access terminal to a land wireless telephone network and vehicle transporting same
02/20/2003WO2003015296A1 Intelligent control system and method for a wireless communications system
02/20/2003WO2003015295A1 Method and apparatus for relayed communication using band-pass signals for self-interference cancellation
02/20/2003WO2003015294A1 Portable radio
02/20/2003WO2003015259A2 Radio-frequency signal frequency conversion device for a low power rf receiver
02/20/2003WO2003015007A1 Non-contact smart card interrogator, wherein across a transmission line from an antenna to a receiver the signal modulation varies between the amplitude modulation and phase modulations
02/20/2003WO2003014855A2 Systems and methods for an energy storage based power supply circuit
02/20/2003WO2003014761A2 Method and apparatus for processing signals for ranging applications
02/20/2003WO2003001342A3 System and method for providing an adapter module
02/20/2003WO2002103917A3 Methods and systems for sending side-channel data during data inactive period
02/20/2003WO2002101942A3 A method and apparatus for improving received signal quality in an impulse radio system
02/20/2003WO2002093296A3 Method and system for implicit user equipment identification
02/20/2003WO2002084782A3 Antenna interface unit
02/20/2003WO2002082581A3 Transmit network for a cellular base-station
02/20/2003WO2002073825A3 Method and apparatus for tracking signals in a wireless communication system
02/20/2003WO2002067549A3 Failure redundancy between modem interface cards and outdoor units in a wireless communication system
02/20/2003WO2002060144A3 Calibrating the local oscillation frequency of a cdma receiver
02/20/2003WO2002060081A3 A baseband direct sequence spread spectrum transceiver
02/20/2003WO2002058266A3 Method and apparatus for efficient use of communication resources in a communication system
02/20/2003WO2002056495A3 Assigning clusters of demodulation elements in a spread spectrum system
02/20/2003WO2002017531A1 Sir measure method and apparatus for the same
02/20/2003US20030036689 Signal processing apparatus
02/20/2003US20030036416 Method for reducing power consumption in bluetooth and CDMA modes of operation
02/20/2003US20030036415 Mobile apparatus and power supply system therefor
02/20/2003US20030036407 Cellular telephone and multimedia accessory audio system adaptor and methods therefor
02/20/2003US20030036403 Power control for a channel with multiple formats in a communication system
02/20/2003US20030036385 Communication terminal device, base station device and communication method
02/20/2003US20030036372 Method of using bipolar junction transistor as self-oscillating down converter of a satellite down converter
02/20/2003US20030036371 Method of effectuating frequency switching by using two self-oscillating frequency reducers having a common input
02/20/2003US20030036370 Method of using bipolar junction transistor as local oscillator in a satellite down converter to eliminate second and third harmonic interference between two local oscillators
02/20/2003US20030036369 Intrinsic pavement transmitter and antenna
02/20/2003US20030036362 Interchangeable cover for a mobile communications device
02/20/2003US20030036360 Integrated portable entertainment, information and communication system linked to a wireless helmet
02/20/2003US20030036359 Mobile station loop-back signal processing
02/20/2003US20030036358 Cross cell user equipment interference reduction in a time division duplex communication system using code division multiple access
02/20/2003US20030036354 Dual mode bluetooth/wireless device with power conservation features
02/20/2003US20030036351 Portable memory module, and method of portable data transfer
02/20/2003US20030035550 Broadcast receiving system
02/20/2003US20030035542 Apparatus and method for securing communication information in CDMA communication system
02/20/2003US20030035537 Multi-sectioned keypad for wrist devices
02/20/2003US20030035499 Direct radio frequency (RF) sampling with recursive filtering method
02/20/2003US20030035494 Digital predistortion technique for WCDMA wireless communication system and method of operation thereof
02/20/2003US20030035493 Transmitter system and method for a wireless communication system
02/20/2003US20030035489 Simple encoding/decoding technique for code position modulation
02/20/2003US20030035469 Linear minimun mean square error equalization with interference cancellation for mobile communication forward links utilizing orthogonal codes covered by long pseudorandom spreading codes
02/20/2003US20030035468 System and method for adjusting combiner weights using an adaptive algorithm in wireless communications system
02/20/2003US20030035466 Use of orthogonal or near orthogonal codes in reverse link
02/20/2003US20030035465 Radio communications system, transmitter, receiver, radio transmission method, radio reception method and computer program therefor
02/20/2003US20030035405 Code multiplexing transmitting apparatus
02/20/2003US20030035404 Cancellation of pilot and traffic signals
02/20/2003US20030035395 Radio communication apparatus and radio communication method
02/20/2003US20030035392 Low complexity data detection using fast fourier transform of channel correlation matrix
02/20/2003US20030035367 Apparatus and method for transmitting packet data using Walsh codes in a mobile communication system
02/20/2003US20030035320 Apparatus and method for interfacing between modem and memory in mobile station
02/20/2003US20030035072 Method for reproducing data streams
02/20/2003US20030035002 Alternate interpretation of markup language documents
02/20/2003US20030034922 Resonant antennas
02/20/2003US20030034874 System or architecture for secure mail transport and verifiable delivery, or apparatus for mail security
02/20/2003US20030034860 Microstrip line filter and high-frequency transmitter with the microstrip line filter
02/20/2003US20030034857 Multiplexer using ceramic filter as stacked satellite down converter
02/20/2003CA2457539A1 Dynamic link adaption for time division duplex (tdd)