Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › 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
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)
05/2003
05/28/2003CN1421073A Envelope-tracking amplifier having improved gain, terminal device for mobile communication using same, and method for improving gain relating thereto
05/28/2003CN1421072A Reverse link correlation filter in wireless communication systems
05/28/2003CN1421071A Method and apparatus for reducing pilot search times utilizing mobile station location information
05/28/2003CN1421069A 天线放大器 Antenna Amplifier
05/28/2003CN1420707A High-speed data coding and decoding device, and data sending system
05/28/2003CN1420706A Ultra-high speed data coding and decoding device, and data sending system
05/28/2003CN1420694A Method and device for control of power in mobile communication system
05/28/2003CN1420674A Double wing folding radio telephone
05/28/2003CN1420672A Loudspeaker assembly for mobile phone
05/28/2003CN1420670A Mobile radio device
05/28/2003CN1420649A Method for compact expression of multicode signaling in communication system
05/28/2003CN1420643A Radio Communication apparatus comprising heat dissipation system
05/28/2003CN1420637A Passive device and module of transceiver
05/28/2003CN1420636A Radio communication terminal assembly constituting antenna, loudspeaker and bell
05/28/2003CN1420624A Crackle suppressing circuit and sound output amplifier
05/28/2003CN1110219C User's identifying module for mobile communication terminal and mobile communication terminal
05/28/2003CN1110218C Mobile telephone with radio function
05/28/2003CN1110177C Device for correcting phase noise in digital receiver
05/28/2003CN1110165C Method for frame quality detection and receiver
05/28/2003CN1110163C Method and device for estimating flat fading channel in CDMA communication system
05/28/2003CN1110158C Device and method of transmitting subframe in mobile communication system
05/28/2003CN1110151C Spread spectrum modulator and modulating method
05/28/2003CN1110150C Interference signal cancellation system
05/28/2003CN1110149C Double-band data communication apparatus
05/28/2003CN1110148C Equalizing method and equalizer for OFDM receiver
05/28/2003CN1110147C Device and method for compensating frequency drift in satellite communication
05/28/2003CN1110146C Adaptive anti-interference high-front-end receiving method
05/28/2003CN1110145C Variable scale audio coding/decoding method and apparatus
05/28/2003CN1110136C Apparatus and method for tuning bandpass filters
05/28/2003CN1110133C Duplexer for cordless acoustic surface wave telephone
05/28/2003CN1110124C Receiving mixer circuit for mobile radio transceiver
05/28/2003CN1109878C Device and method for monitoring system environment of outdoor base station
05/27/2003US6571181 System and method for detecting a device requiring power
05/27/2003US6571111 Method and apparatus for reducing battery power consumption of transceivers in a communications network using an external generated timing signal
05/27/2003US6571110 Cryoelectronic receiver front end for mobile radio systems
05/27/2003US6571106 Method and apparatus for glitchless signal generation
05/27/2003US6571105 Method employed by a base station for controlling initial power ramp-up using short codes
05/27/2003US6571104 Power control with effective Eb/N0
05/27/2003US6571099 Cell searching method in asynchronous wideband code division multiple access system
05/27/2003US6571091 Power control method and apparatus suitable for use in a radio communication device
05/27/2003US6571089 Method and apparatus for moderating interference while effecting impulse radio wireless control of equipment
05/27/2003US6571087 Radio transmitter apparatus
05/27/2003US6571085 Portable telephone which can carry out optical communication for saving power consumption and avoiding erroneous operation without complex operation
05/27/2003US6570948 Phase locked loop frequency generating circuit and a receiver using the circuit
05/27/2003US6570943 Method for equalization of complementary carriers in an AM compatible digital audio broadcast system
05/27/2003US6570942 Multi-mode variable rate digital cable receiver
05/27/2003US6570935 Method and system for demodulating a receive signal including a pilot signal
05/27/2003US6570918 Receiver and method for recovering data from spread spectrum radio signals
05/27/2003US6570909 Interference suppression in a CDMA receiver
05/27/2003US6570908 Apparatus and method for distortion compensation of high power amplifier in DS-multicode CDMA system
05/27/2003US6570889 Transmitter and transmitting method increasing the flexibility of code assignment
05/27/2003US6570864 Integrated receiving apparatus of subtractive interference cancellation receiver and adaptive MMSE receiver
05/27/2003US6570863 Apparatus and method for adaptive CDMA detection based on constrained minimum mean squared error criterion
05/27/2003US6570857 Central multiple access control for frequency hopping radio networks
05/27/2003US6570844 System and method for providing redundancy in a telecommunications system
05/27/2003US6570842 System and apparatus for designing and producing signalling waveforms for direct-sequence code division multiple access communications
05/27/2003US6570772 Portable terminal device
05/27/2003US6570495 Voice confirmation system and method for a vehicle
05/27/2003US6570491 Associating a hand control unit
05/27/2003US6570442 Radio frequency signal output module having radio-frequency power amplifier and isolator element
05/27/2003US6568956 A radio telephone with a battery pack; it has first and second external operable fastening members for mechanically securing and electrically connecting the telephone to battery
05/27/2003US6568576 Cell phone pouch
05/27/2003CA2314421C Subband encoding and decoding system for data compression and decompression
05/27/2003CA2258009C Dsp implementation of a cellular base station receiver
05/27/2003CA2241278C A power sharing amplifier system for amplifying multiple input signals with shared power amplifiers
05/27/2003CA2075588C Power amplifier for a cellular telephone
05/23/2003CA2412136A1 Process and device for the calculation of the discriminating function of module signals with one or more sub-carriers
05/22/2003WO2003043365A1 Method for the transmission of information in a cellular radio communication system with radio sectors
05/22/2003WO2003043339A1 Information delivery system, method, information processing apparatus, and method
05/22/2003WO2003043319A1 Rf system integrated with rf switch and rf modulation
05/22/2003WO2003043293A1 System and method for reducing power dissipation for dsl circuits
05/22/2003WO2003043243A1 Transmission method, transmission apparatus, and reception apparatus
05/22/2003WO2003043242A1 Reception apparatus
05/22/2003WO2003043239A1 Methods and communications terminals for increasing capacity cdma communications networks
05/22/2003WO2003043236A1 Array processing for linear system solutions
05/22/2003WO2003043229A1 Communications in an asynchronous wireless network
05/22/2003WO2003043227A1 Method, communication system and communication unit for synchronisation for multi-rate communication
05/22/2003WO2003043224A1 Controlling forward link traffic channel power
05/22/2003WO2003043222A1 Communication method and radio communication apparatus
05/22/2003WO2003043220A1 Transmit power control during condition of out-of-lock for fingers in a rake receiver
05/22/2003WO2003043218A1 Radio communication system
05/22/2003WO2003043217A1 Method and apparatus for transmitting and receiving orthogonal code index information in a mobile communication system
05/22/2003WO2003043215A1 A method for signal acquisition in a wireless terminal and a wireless terminal
05/22/2003WO2003043214A1 System and method for dc offset compensation in a wcdma receiver
05/22/2003WO2003043213A1 System and method for initiating communication between transceivers
05/22/2003WO2003043212A1 Receiver and its tracking adjusting method
05/22/2003WO2003043210A1 Method for saving power in radio frequency (rf) receiver and rf receiver
05/22/2003WO2003043208A1 Semiconductor integrated circuit for communication
05/22/2003WO2003043207A1 Impedance matching circuit for a multi-band radio frequency device
05/22/2003WO2003043206A2 Emission device with automatic compensation of the quadrature modulator
05/22/2003WO2003043205A2 Method and apparatus for reducing dc offsets in a communication system
05/22/2003WO2003043201A1 Metric correction for multi user detection, for long codes ds-cdma
05/22/2003WO2003043195A1 Agile spread waveform generator
05/22/2003WO2003043187A1 Automatic gain control circuit
05/22/2003WO2003043180A1 Multiple analog and digital downconversion
05/22/2003WO2003043179A2 Transmitter with transmitter chain phase adjustment on the basis of pre-stored phase information
05/22/2003WO2003043122A1 Protection against em radiations
05/22/2003WO2003043120A1 Diplexer
05/22/2003WO2003043101A2 Film battery for portable data carriers having an antenna function
05/22/2003WO2003042828A2 Method and apparatus for fixing bit errors encountered during cache references without blocking
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