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)
02/2004
02/19/2004WO2004015895A1 Transmitter and receiver gain calibration by means of feedback in a transceiver
02/19/2004WO2004015890A1 Radio communication system with adaptive interleaver
02/19/2004WO2004015886A1 Enhancing wirelass lan capacity using transmission power control
02/19/2004WO2004015884A2 Harmonic ultra-wideband high data-rate communications
02/19/2004WO2004015883A1 Transmitting and receiving spread spectrum signals using continuous waveforms in an harmonic relationship
02/19/2004WO2004015881A1 High frequency module
02/19/2004WO2004015879A1 Radio receiver with variable bandwidth if filter
02/19/2004WO2004015878A2 System and method for interference cancellation in a location calculation, for use in a wireless location system
02/19/2004WO2004015876A2 Channel switching for support of multimedia broadcast and multicast services
02/19/2004WO2004015859A2 Variable gain amplifier with improved control characteristics linearity
02/19/2004WO2004015811A1 Shield for mobile telephones with device for measuring absorbed radiation
02/19/2004WO2004015717A2 Various methods and apparatuses to track failing memory locations to enable implementations for invalidating repeatedly failing memory locations
02/19/2004WO2004015613A2 Pulsed power method for increased read range for a radio frequency identification reader
02/19/2004WO2004015573A1 Method for meeting smi duration limits by time slicing smi handlers
02/19/2004WO2004015555A2 Method and apparatus for position sensing
02/19/2004WO2004015444A1 Method and apparatus for performing signal correlation at multiple resolutions to mitigate multipath interference
02/19/2004WO2004015439A2 Improved mixers with a plurality of local oscillators and systems based thereon
02/19/2004WO2004006452B1 A control system for controlling an output signal power level of a wireless transmitter
02/19/2004WO2003107029A3 Radio positioning system wit interference reduction
02/19/2004WO2003103157A3 Mobile communication device including an array sensor
02/19/2004WO2003098817A3 System and method for frequency management in a communications positioning device
02/19/2004WO2003098528A3 Method and system for distance determination of rf tags
02/19/2004WO2003085908A3 Method computer-readable medium and systems for resorting traffic during failover in a cable head end
02/19/2004WO2003074887A9 Active backscatter transponder, communication system comprising the same and method for transmitting data by way of such an active backscatter transponder
02/19/2004WO2003073659A3 3g radio
02/19/2004WO2003046601B1 Locating a communication device using orthogonal projections
02/19/2004WO2003042828A3 Method and apparatus for fixing bit errors encountered during cache references without blocking
02/19/2004WO2003030354A3 A spurious ratio control circuit for use with feed-forward linear amplifiers
02/19/2004WO2001017185A8 Estimation, in a rake receiver, of the rate of change of the channel
02/19/2004US20040034871 Apparatus and methods for restoring traffic during failover in a cable head end
02/19/2004US20040034863 Fast digital channel changing
02/19/2004US20040034854 Method for meeting SMI duration limits by time slicing SMI handlers
02/19/2004US20040034820 Apparatus and method for pseudorandom rare event injection to improve verification quality
02/19/2004US20040033820 Hands-free kit for mobile radio-telephone handset
02/19/2004US20040033814 Collection of internal information of a mobile communication terminal by an external module
02/19/2004US20040033793 Calibration technique for phase locked loop leakage current
02/19/2004US20040033790 Signal level control
02/19/2004US20040033789 Dynamic frequency selection and radar detection with a wireless LAN
02/19/2004US20040033788 Combined vehicle alarm transmitter and currency enclosure
02/19/2004US20040033785 Modulation-demodulation apparatus and wireless communication apparatus
02/19/2004US20040033081 Method and system for selective optical payload cancellation
02/19/2004US20040032921 Methods for performing channel diagnostics
02/19/2004US20040032918 Communication method, system and apparatus utilizing burst symbol cycles
02/19/2004US20040032901 Phase-locked loop circuit and radio communication apparatus using the same
02/19/2004US20040032900 Intra-cell interference cancellation in a W-CDMA communications network
02/19/2004US20040032898 Digital spread spectrum frequency synthesizer
02/19/2004US20040032897 Time history display of orthogonal code power levels
02/19/2004US20040032849 Method for generation of training sequence in channel estimation
02/19/2004US20040032848 Combined equalizer and spread spectrum interference canceller method and implementation for the downlink of CDMA systems
02/19/2004US20040032842 Continuously adjusted-bandwidth discrete-time phase-locked loop
02/19/2004US20040032839 Access burst detector corrrelator pool
02/19/2004US20040032838 Apparatus and method for increasing channel capacity of a mobile communication system
02/19/2004US20040032836 Method and apparatus for time-aligning transmissions from multiple base stations in a CDMA communication system
02/19/2004US20040032794 Digital air gun source controller apparatus and control method
02/19/2004US20040032706 High-frequency switch module
02/19/2004US20040032371 Combined EMI shielding and internal antenna for mobile products
02/19/2004US20040032354 Multi-band ultra-wide band communication method and system
02/19/2004US20040032245 Method and apparatus for estimating the phase of a signal
02/19/2004US20040032024 Low fabrication cost, high performance, high reliability chip scale package
02/19/2004DE10261218A1 Flap drive for portable device has joint cam coupled to second shaft holding part to inhibit rotation, enable axial motion, joint shaft that interacts with cam to define opening and closing positions
02/19/2004DE10247034B3 Adaptive pre-attenuation method for digital data values for communications device end stage has pre-attenuation values provided by value table updated by evaluating feedback signal values
02/19/2004DE10235235A1 Mobile telephone has device for attachment to user's body enabling telephone/part of it to be removed from attachment device, detection of release or re-establishment of attachment for state control
02/19/2004DE10234657A1 Transmitter especially for a cellular radio has feedback path from frequency modulator to base signal unit to detect mismatches
02/19/2004DE10234433A1 Parameter transmission to rake finger of rake receiver involves changing access to rake finger from first parameter set memory area to second as soon as existence of changeover condition exists
02/19/2004DE10233909A1 Radio signal receiver arrangement has detection unit with high pass filter deriving reception field strength signal, threshold comparator outputting value representing radio signal modulation method
02/19/2004CA2495014A1 Method and apparatus for position sensing
02/19/2004CA2494337A1 System and method for interference cancellation in a location calculation, for use in a wireless location system
02/19/2004CA2494318A1 Registration in a broadcast communications system
02/18/2004EP1389874A2 Fast digital channel changing
02/18/2004EP1389846A2 Detection and mitigation of temporary (bursts) impairments in channels using SCDMA
02/18/2004EP1389844A1 Apparatus and method for increasing channel capacity of a mobile communication system using HPSK
02/18/2004EP1389834A1 Method to support channel estimation and corresponding base station
02/18/2004EP1389787A2 Side button switch in mobile communication terminal and vibration preventing device thereof
02/18/2004EP1389384A2 Method and apparatus for a pulse decoding communication system using multiple receivers
02/18/2004EP1389369A2 Physical layer processing for a wireless communication system using code division multiple access
02/18/2004EP1389365A1 Method and apparatus for peak-to-average power reduction
02/18/2004EP1389364A1 System and method for adjusting combiner weights using an adaptive algorithm in a wireless communications system
02/18/2004EP1389363A1 Transmit-receive module for a radar
02/18/2004EP1389333A2 Simplified method and apparatus for programming a universal transmitter
02/18/2004EP1389173A1 Connector apparatus and method for controlling fluid dispensing
02/18/2004EP1284061B1 Method for synchronizing a receiver with a transmitter
02/18/2004EP1249076B1 Direct conversion radio transceiver
02/18/2004EP1164710B1 Spread spectrum receiver and spread spectrum receiving method
02/18/2004EP0894369B1 Distribution of radio-frequency signals through low bandwidth infrastructures
02/18/2004EP0800737B1 Multiple access digital transmitter and receiver
02/18/2004EP0651925B1 Frequency hopping time-diversity communications systems and transceivers for local area networks
02/18/2004CN2604027Y 无线麦克风 Wireless Microphone
02/18/2004CN2604026Y Package assembly for combined frame buckstay
02/18/2004CN1476707A Method for reducing transmissions in boundary zones, in AM transmitters operating in digital mode
02/18/2004CN1476690A Antenna for wireless home network has UI functionality
02/18/2004CN1476683A RAKE receiver and methof of providing frequency error estimate
02/18/2004CN1476682A Code-select CDMA modulation/demodulation method and device thereof
02/18/2004CN1476681A Mobile communication system having multi-band antenna
02/18/2004CN1476680A Multiband terminal
02/18/2004CN1476679A Self-tuned millimeter wave RF transceiver module
02/18/2004CN1476678A Multi-protocol receiver
02/18/2004CN1476677A Subharmonic circuit and method
02/18/2004CN1476676A Method and apparatus for efficient processing of signal in communication system
02/18/2004CN1476538A Method and apparatus for estimating phase of signal
02/18/2004CN1476270A Selection method of transmitting antenna in multiantenna communication environment