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)
10/2002
10/17/2002US20020150145 Rendezvous point interpiconet scheduling
10/17/2002US20020150125 Wireless communication system and control method therefor
10/17/2002US20020150074 CDMA/TDD mobile communication system and method
10/17/2002US20020150073 Method for estimating the channel impulse response of a mobile radio channel
10/17/2002US20020150072 Mapping of internet protocol based data
10/17/2002US20020150070 Method and apparatus for using frequency diversity to separate wireless communication signals
10/17/2002US20020150068 Methods and apparatus for multiplexing signal codes via weighted majority logic
10/17/2002US20020150066 Efficient sharing of capacity by remote stations using circuit switching and packet switching
10/17/2002US20020150065 Communications systems
10/17/2002US20020149535 Tunable antenna matching circuit
10/17/2002US20020149533 Tunable horn antenna
10/17/2002US20020149527 Multiple-element antenna
10/17/2002US20020149526 Inverted-F ferroelectric antenna
10/17/2002US20020149524 Antenna arrangement
10/17/2002US20020149513 Flexible digital ranging system and method
10/17/2002US20020149511 Method for measuring distance and position using spread spectrum signal, and an equipment using the method
10/17/2002US20020149484 Frequency-hopping RFID system
10/17/2002US20020149483 Method, System, and apparatus for communicating with a RFID tag population
10/17/2002US20020149482 Identification tag utilizing charge pumps for voltage supply generation and data recovery
10/17/2002US20020149481 Method, system, and apparatus for binary traversal of a tag population
10/17/2002US20020149480 Method, system, and apparatus for remote data calibration of a RFID tag population
10/17/2002US20020149448 Low-loss tunable ferro-electric device and method of characterization
10/17/2002US20020149444 Tunable planar capacitor
10/17/2002US20020149443 Tunable voltage controlled oscillator
10/17/2002US20020149439 Tunable isolator
10/17/2002US20020149434 Tunable voltage-controlled temperature-compensated crystal oscillator
10/17/2002US20020149428 Tunable power amplifier matching circuit
10/17/2002US20020149416 Efficient charge pump apparatus
10/17/2002US20020148625 Shielding device for a hand-held radiophone
10/17/2002DE10116886A1 Frequency processing circuit optimisation method for HF heterodyne receiver with separate tuning of heterodyne stages on opposite sides of band-pass filter
10/17/2002DE10116880A1 HF heterodyne receiver for mobile communications device has band-pass filter with compensation for temperature-dependent bandpass range frequency shift
10/17/2002CA2443920A1 Mobile system testing architecture
10/17/2002CA2443095A1 Iterative fast fourier transform error correction
10/17/2002CA2443047A1 Method and apparatus for network initiated uninstallation of application program over wireless network
10/17/2002CA2442813A1 Transmit network for a cellular base-station
10/16/2002EP1250019A1 Radio base station apparatus and communication terminal apparatus
10/16/2002EP1250006A2 Cable modem tuner
10/16/2002EP1249957A1 Communication terminal and method of wireless communication
10/16/2002EP1249947A1 Method and apparatus for transmission/reception using frequency hopping
10/16/2002EP1249946A1 Divider circuitry
10/16/2002EP1249945A2 Method for increasing data transmission rate, and receiver, transmitter and terminal
10/16/2002EP1249944A2 A subsampling RF receiver architecture
10/16/2002EP1249943A2 Phase compensation circuit
10/16/2002EP1249942A1 Ingress noise reduction in a digital receiver
10/16/2002EP1249147A2 Call origination method using broadcast system
10/16/2002EP1249136A2 Portable electronic activation device
10/16/2002EP1249115A1 Decision directed frequency offset estimation
10/16/2002EP1249114A2 Method and devices for transmitting and receiving information
10/16/2002EP1249105A2 Data delivery through beacons
10/16/2002EP1249104A2 Data delivery through beacons
10/16/2002EP1249084A2 Hybrid wireless optical and radio frequency communication link
10/16/2002EP1249081A1 Antenna diversity receiver
10/16/2002EP1249079A2 Method and device for determining the carrier frequency of base stations in the mobile receiver of a cellular mobile telephony system working with w-cdma
10/16/2002EP1249077A2 Method and apparatus for canceling a transit signal spectrum in a receiver bandwidth
10/16/2002EP1249076A2 Direct conversion radio transceiver
10/16/2002EP1249075A1 An rf front-end with a multistage stepdown filtering architecture
10/16/2002EP1183776B1 Power modulation systems and methods that separately amplify low and high frequency portions of an amplitude waveform
10/16/2002EP1099188B1 Improved contactless badge reader
10/16/2002EP0972406B1 Method and apparatus for preventing fraudulent access in a conditional access system
10/16/2002EP0910900B1 A method of coding and decoding audio signals
10/16/2002EP0906681A4 Improved coding system for digital transmission compression
10/16/2002EP0872024B1 Amplifier for antennas
10/16/2002EP0783803B1 A wireless digital communication device, and a peak-detector
10/16/2002EP0689740B1 Radio transceiver circuit and method
10/16/2002CN2517209Y Cooling device of mobile communication high-frequency amplification station
10/16/2002CN1375170A Temperature controlled radio transmitter in a TDMA system
10/16/2002CN1375163A Advertisement selection based on user active in an electronic program guide
10/16/2002CN1375149A 通信系统 Communications systems
10/16/2002CN1375148A Automatic gain control and wireless communication device
10/16/2002CN1375140A Base station transmitter and CDMA mobile communication system comprising the same
10/16/2002CN1375134A Two-wire/four-wire converting circuit for communication device
10/16/2002CN1375133A Path searching method and device
10/16/2002CN1375132A 相关器 Correlator
10/16/2002CN1375131A CDMA multiple access interference cancellation using signal estimation
10/16/2002CN1375127A PLL with memory for electronic alignments
10/16/2002CN1375126A Reduced power matched filter using precomputation
10/16/2002CN1375063A GPS receiver with emergency communication channel
10/16/2002CN1374811A Method for managing & processing resources in mobile wireless system
10/16/2002CN1374785A 移动终端 Mobile terminal
10/16/2002CN1374770A Adaptive threshold W-CDMA time interval synchronizing method and device
10/16/2002CN1374762A Noise cancelling method nad equipment
10/16/2002CN1374761A Emission power detecting apapratus and launching unit
10/16/2002CN1374760A Radio apparatus and gain control circuit
10/16/2002CN1092913C Signal processing apparatus of portable telephone for sharing digital/analog compatible mode and personal communication service mode
10/16/2002CN1092909C Base station transmitter-receiver
10/16/2002CN1092895C Radio transmission output control circuit for TDMA communication
10/16/2002CN1092888C Communication system and electronic apparatus
10/16/2002CN1092883C Demodulator control system and receiver capable of quickly acquiring desired carrier wave
10/16/2002CN1092877C Method for realizing discontinuous transmission in mobile phone system
10/16/2002CN1092874C Saturation proof circuit for receiver
10/16/2002CN1092869C Channel hopping in a radio communication system
10/16/2002CN1092868C Communication terminal equipment and control method for receiving and transmitting message information
10/16/2002CN1092867C 无线电接收机 Radio receiver
10/16/2002CN1092866C Method and arrangement for expanding dynamic range of receiver in digital radio transmission system
10/16/2002CN1092865C Digital transmission system for transmitting digital audio signal being in form of samples of a specific word length and occurring at specific sampling rate
10/16/2002CN1092847C A radio transmission system and radio equipment for use of the same system
10/15/2002US6466803 Multi-mode communications system with efficient oscillator synchronization
10/15/2002US6466800 Method and system for a wireless communication system incorporating channel selection algorithm for 2.4 GHz direct sequence spread spectrum cordless telephone system
10/15/2002US6466776 Receiver and method of reception
10/15/2002US6466774 Wireless handset