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)
08/2004
08/18/2004CN1163099C Basic station transmitting power control method and device
08/18/2004CN1163095C Radio receiving and transmitting double frequency channel multi-component combination method
08/18/2004CN1163074C Transmission system, transmitter and receiver
08/18/2004CN1163049C Hinged device
08/18/2004CN1163038C Phase shifting method for reducing peak-to-average ratio of multiple carrier signal
08/18/2004CN1163016C Array antenna based channel estimating method
08/18/2004CN1163015C Multi-user disturbance eliminator
08/18/2004CN1163014C CDMA spread and despread-spectrum method and its transmitter, receiver and communication system
08/18/2004CN1163013C Path searching device of spread spectrum receiver
08/18/2004CN1163012C Direct sequential CDMA linking transmission method
08/18/2004CN1163011C Direct sequential CDMA linking transmission method
08/18/2004CN1163009C Method and system for CDMA mobile communication
08/18/2004CN1163008C Fast capture method and device for reverse random access channel
08/18/2004CN1163007C Method for obtaining time slot timing and frequency shift correction
08/18/2004CN1163006C Configurable W-CDMA multipath alignment method and device
08/18/2004CN1163005C Dynamic channel configuration method based on source rate estimation
08/18/2004CN1162994C Method and apparatus for transmitting and receiving high speed data using CDMA channels
08/18/2004CN1162991C Radio base station apparatus and radio communication method
08/18/2004CN1162990C Radio base station apparatus and radio communication method
08/18/2004CN1162988C Transmission power control device and method
08/18/2004CN1162986C Method and apparatus for executing radio communication using spread spectrum-frequency hopping
08/18/2004CN1162985C Method and apparatus for executing radio communication using multiple channels
08/18/2004CN1162983C Method and device for improving the capacity of GSM base station
08/18/2004CN1162982C Radio receiving device and radio receiving method
08/18/2004CN1162981C Apparatus and methods for receiving information using variable length accumulation searcher
08/18/2004CN1162979C Equipment with power supply device and method for restarting the equipment sustained short power-off
08/18/2004CN1162936C Dielectric filter, dielectric duplexer and carriage communication installation
08/18/2004CN1162759C Device for mounting a microphone and a pressure compensation element in a telephone wrist watch
08/18/2004CN1162716C GPS receiver and portable communication device
08/18/2004CA2454480A1 Channel estimation apparatus and method in digital communication system
08/17/2004US6778843 Array antenna transceiver capable of continuing transmission and reception regardless of failure of reference signal
08/17/2004US6778840 Method of controlling initial power ramp-up in a CDMA system by using short codes
08/17/2004US6778816 Communication terminal device
08/17/2004US6778815 Mobile radio terminal apparatus
08/17/2004US6778814 Wireless microphone apparatus and transmitter device for a wireless microphone
08/17/2004US6778808 Route-adaptive on-demand radio communication system for a driver, communication method using the same, and recording medium storing a program for executing the method
08/17/2004US6778682 Redundantly embedding auxiliary data in source signals
08/17/2004US6778618 Methods and devices for minimizing interblock interference in discrete multi-tone devices
08/17/2004US6778616 Radio reception apparatus and received power amplification method
08/17/2004US6778603 Method and apparatus for generating a pulse train with specifiable spectral response characteristics
08/17/2004US6778593 Demodulator device and demodulation method
08/17/2004US6778592 Interference signal eliminator
08/17/2004US6778591 Path search circuit dividing a received signal into a plurality of FFT windows to reduce arithmetic operation processes for cross-correlation coefficients
08/17/2004US6778590 Carrier changer and changing method
08/17/2004US6778589 Symbol synchronous device and frequency hopping receiver
08/17/2004US6778588 Method for cell initial search in a CDMA mobile communication system
08/17/2004US6778587 Spread spectrum modulation system and method for embedding digital information into digital or analog media
08/17/2004US6778586 Radio communication equipment and communication method
08/17/2004US6778519 Wireless multiple function PC card
08/17/2004US6778135 GPS Receiver
08/17/2004US6778098 Method and electronic device for speech control
08/17/2004US6778089 Overmolded transponder
08/17/2004US6778088 Deployable identification device
08/17/2004US6778064 Communication device comprising portable transmitter in which ID code is registered after manufacturing
08/17/2004US6777829 Rectifier utilizing a grounded antenna
08/17/2004CA2103288C Detection of multiple articles
08/12/2004WO2004068882A1 Method for carrying out interference suppression in a radio communications system
08/12/2004WO2004068779A1 Uplink sinr estimation
08/12/2004WO2004068777A2 System and method for increasing cellular system capacity using same frequency and time slot in uplink and downlink transmissions
08/12/2004WO2004068763A1 A method and an apparatus of uplink synchronization acquisition
08/12/2004WO2004068759A1 A method of call admission control in coma mobile communication system
08/12/2004WO2004068757A1 Ofdm signal collision position detection device and ofdm reception device
08/12/2004WO2004068755A1 Radio communication device and radio communication method
08/12/2004WO2004068735A1 Device and method for determining power delay profiles in a data flow transmission via multiple data transmission paths
08/12/2004WO2004068734A1 Truncation and level adjustement of rake output symbols
08/12/2004WO2004068733A1 Radio communication device compatible with multi-frequency band
08/12/2004WO2004068732A2 Wrist-worn communications apparatus with perpendicularly oriented microphone and loudspeaker
08/12/2004WO2004068731A2 Mixed technology mems/sige bicmos digitizing analog front end with direct rf sampling
08/12/2004WO2004068730A1 Audio system with balance setting based on information addresses
08/12/2004WO2004068727A2 Interference cancellation system employing photonic sigma delta modulation and optical true time delay
08/12/2004WO2004068724A2 Receiver having automatic burst mode i/q gain and phase balance
08/12/2004WO2004043012A3 Method of optimizing data communication devices’ auto-on functionality
08/12/2004WO2004036833A3 Methods and sets of piconets using time frequency division multiple access
08/12/2004WO2004030340A3 Audio data receipt/exposure measurement with code monitoring and signature extraction
08/12/2004WO2004015883A9 Transmitting and receiving spread spectrum signals using continuous waveforms in an harmonic relationship
08/12/2004WO2004015878A3 System and method for interference cancellation in a location calculation, for use in a wireless location system
08/12/2004WO2004008719A3 Self-booting software defined radio module
08/12/2004WO2003103131A3 Image rejection quadratic filter
08/12/2004WO2003065568A3 Additive dc component detection included in an input burst signal
08/12/2004US20040158593 Reducing memory usage in noncoherent signal processing
08/12/2004US20040158472 Method and apparatus for encoding or decoding an audio signal that is processed using multiple subbands and overlapping window functions
08/12/2004US20040158458 Narrowband speech signal transmission system with perceptual low-frequency enhancement
08/12/2004US20040158398 Compressing location data of moving objects
08/12/2004US20040157653 Slide mechanism and portable phonse using the same
08/12/2004US20040157649 Wireless interactive headset
08/12/2004US20040157644 Communication system transmitter or receiver module having integrated radio frequency circuitry directly coupled to antenna element
08/12/2004US20040157642 Integrated mobile terminal device and method for controlling external display unit
08/12/2004US20040157636 Method and system for adjusting downlink outer loop power to control target SIR
08/12/2004US20040157635 Power controlling apparatus and method in mobile communication system
08/12/2004US20040157634 Method for setting specific rate-matching attributes for each service in a mobile radio communications system
08/12/2004US20040157614 Communication system, transmitting apparatus and transmitting method, receiving apparatus and receiving method, unbalance code mixing method and multiple code decoding method
08/12/2004US20040157612 Mobile communication and stethoscope system
08/12/2004US20040157608 Mobile communication terminal and control unit
08/12/2004US20040157601 Method for enabling a subscriber entity to actively communicate in a communication network
08/12/2004US20040157587 Mobile communication terminal including two lamps for incoming call notification and method for providing GPS services using the same
08/12/2004US20040157583 Wireless communication system exchanging encrypted data
08/12/2004US20040157581 Triple-axis rotation type headset
08/12/2004US20040157579 High-frequency switch
08/12/2004US20040157578 Reducing effects of self-created interference on broadband reception
08/12/2004US20040157576 Communication device performing communication using two clock signals complementary to each other