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)
06/2001
06/20/2001CN1300482A Power control apparatus and method for inter frequency handoff in cdma communication system
06/20/2001CN1300481A Device and method of continuous outer-loop power control in DTX mode for CDMA mobile communication system
06/20/2001CN1300477A A method and device for despreading an offset signal
06/20/2001CN1300476A Multipath cdma receiver for reduced pilot
06/20/2001CN1300475A Receiver and synchronous acquisition method
06/20/2001CN1300474A Method for controlling gated transmission of dedicated channel in w-cdma communication system
06/20/2001CN1300473A Device and method for controlling transmission on reverse link in mobile communication system
06/20/2001CN1300471A Impedance-matching device
06/20/2001CN1300470A Apparatus and method for power control
06/20/2001CN1300467A Noise cancellation circuit and quadrature downconverter
06/20/2001CN1300464A quadrature oscillator network for transmitter
06/20/2001CN1300175A Radio remote control system with microphone/loud speaker for Internet apparatus and method for controlling its telecontroller
06/20/2001CN1300172A Radio digital telephone set with voice recording device
06/20/2001CN1300168A Digital transponder
06/20/2001CN1300143A High-speed honeycomb searching apparatus and method thereof for communication system
06/20/2001CN1300142A Method for encoding and transmitting transfer format combined indication character
06/20/2001CN1300140A Communication apparatus, frequency control method for communication apparatus and recording medium
06/20/2001CN1300139A Broadcasting device and receiving device
06/20/2001CN1300136A Radio set with global positioning system
06/20/2001CN1300132A Effective multi-mode power amplifier
06/20/2001CN1299976A Positioning method of global positioning system and receiving apparatus of global positioning system
06/19/2001US6249829 Communication bus system with reliable determination of command execution
06/19/2001US6249690 Portable information equipment system
06/19/2001US6249687 Dual mode mobile phone using a multiplex type filter
06/19/2001US6249686 Internal circuit for adaptive mode selection of multi-mode RF integrated circuit
06/19/2001US6249682 Apparatus and method for estimating speed in mobile communication
06/19/2001US6249673 Universal transmitter
06/19/2001US6249670 Signal combining device and method for radio communication
06/19/2001US6249542 Multipath processing for GPS receivers
06/19/2001US6249541 Apparatus for removing shared waves
06/19/2001US6249540 Method and system for shifting frequency subsets to avoid base station interference in a frequency hopping cordless telephone system
06/19/2001US6249539 System and method for narrowing the range of frequency uncertainty of a doppler shifted signal
06/19/2001US6249517 Apparatus for supporting a variety of transmission rates in spread spectrum CDMA system
06/19/2001US6249487 Wrist instrument and electronic apparatus
06/19/2001US6249422 Capacitor module for car audio system
06/19/2001US6249258 Transponder arrangement
06/19/2001US6249251 Hardware-efficient demodulator for CDMA adaptive antenna array systems
06/19/2001US6249195 Dielectric filter, dielectric duplexer, and transceiver having circular and polygonal electrode openings
06/19/2001US6249194 Composite filter comprising LC and saw filters and radio communication apparatus using the filter
06/19/2001US6249185 Method of speeding power-up of an amplifier, and amplifier
06/19/2001CA2221919C Spread spectrum receiver for use in communication systems
06/15/2001CA2325649A1 Fht-based rach preamble detection
06/14/2001WO2001043516A2 A device for controlling and managing a radio base station
06/14/2001WO2001043481A1 Radio base station device and radio communication method
06/14/2001WO2001043428A1 Tv receiver apparatus and related method
06/14/2001WO2001043425A1 Methods and apparatus for efficiently accessing periodically broadcast data
06/14/2001WO2001043367A1 Method and apparatus for implementing leaf node proxy in a network
06/14/2001WO2001043330A2 Data rate estimation in a communication system
06/14/2001WO2001043315A1 Method and apparatus for implementing pn masks for a truncated m-sequence
06/14/2001WO2001043301A1 Par and out of band radiation reduction in code multiplex modulation systems
06/14/2001WO2001043300A1 Spread spectrum receiver
06/14/2001WO2001043299A2 A receiver for a spread spectrum system
06/14/2001WO2001043298A2 Mobile telephone with music storage
06/14/2001WO2001042973A1 Method and apparatus for digital correlation
06/14/2001WO2000031870A8 Methods and systems for frequency generation for wireless devices
06/14/2001WO2000003507A3 A variable clock rate correlation circuit and method of operation
06/14/2001US20010003821 Method and apparatus for digital correlation
06/14/2001US20010003707 Portable radio apparatus with additional display unit
06/14/2001US20010003704 Method and apparatus for transmitting information by radio
06/14/2001US20010003536 Reception power level calculating circuit and receiver using the same
06/14/2001US20010003531 Spread spectrum signal demodulator
06/14/2001US20010003484 Optical line protection device and optical line protection method
06/13/2001EP1107637A1 Cellular radio communications system with frequency hopping on the control channel
06/13/2001EP1107631A2 Wireless mobile positioning system and components
06/13/2001EP1107618A2 Method of transmitting and receiving multimedia data using short message service in portable radio telephone
06/13/2001EP1107599A2 Apparatus and method for digital data transmission
06/13/2001EP1107598A2 Apparatus and method for digital data transmission
06/13/2001EP1107597A2 Apparatus and method for digital data transmission
06/13/2001EP1107548A2 Battery changing method during call processing in wireless telephone set
06/13/2001EP1107527A2 Monitoring of tap coefficients in a decision feedback equaliser
06/13/2001EP1107526A1 Channel estimation using weighted averages over several time slots
06/13/2001EP1107498A2 Integrated reception apparatus
06/13/2001EP1107491A2 Mobile communication terminal device capable of receiving digital audio broadcast signals
06/13/2001EP1107482A1 Transmitting power control unit
06/13/2001EP1107478A1 Transmission system comprising a station of a first type and a station of a second type and synchronisation method
06/13/2001EP1107473A2 Variable CDMA transmission power control cycle
06/13/2001EP1107471A1 Time division multiplexed rake finger for W-CDMA
06/13/2001EP1107470A2 Method for synchronizing a receiver in a positioning system
06/13/2001EP1107469A1 Method of partial correlation in a CDMA receiver
06/13/2001EP1107468A2 Code division multiple access system and method of operation
06/13/2001EP1107467A2 Wireless communication device and method of predicting a frame rate in a CDMA communication system
06/13/2001EP1107466A2 Device and method for filtering received signals in a mobile telephone system
06/13/2001EP1107465A2 Method and radio station for spread spectrum communication between multiple radio stations
06/13/2001EP1107464A1 Method and device for echo cancelling
06/13/2001EP1107463A2 Apparatus and method for controlling radiation of electric waves
06/13/2001EP1107462A2 Digital-to-analog converter with sigma delta conversion and storage
06/13/2001EP1107455A1 Temperature compensated oscillator and method of controlling it
06/13/2001EP1107449A2 Non-linear distortion compensation circuit, transmitter device to be employed in the same and mobile communication unit
06/13/2001EP1107421A1 Electronic apparatus including remote control receiving system and AC adapter system
06/13/2001EP1107351A2 Method and antenna arrangement for coupling external antennas to a communication unit
06/13/2001EP1107252A2 System and receiver as well as method of reproduction of audio and video data
06/13/2001EP1107231A2 Variable rate decoder
06/13/2001EP1107120A1 Apparatus provided with power supply device and start-up/restart method for apparatus exposed to micro-outages of power supply
06/13/2001EP1107018A2 Method for synchronizing a receiver
06/13/2001EP1106027A1 Synchronisation of a low power clock in a wireless communication device
06/13/2001EP1106009A1 Circuit and method for recording and reproducing speech and other sounds in digital mobile devices
06/13/2001EP1105982A1 Digital communication methods with distributed reference symbols
06/13/2001EP1105979A1 Point to point radio network, and method for organising the same
06/13/2001EP1105977A1 Adaptive receiver for multipath propagation in a cdma communication system
06/13/2001EP1105976A1 Time offset technique for increasing the capacity of a cdma system