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)
06/2004
06/17/2004US20040114556 Orthogonal code division multiple access on a return link
06/17/2004US20040114550 Method and apparatus for code assignment in a spread spectrum wireless communication system
06/17/2004US20040114505 Method and an apparatus for a waveform quality measurement
06/17/2004US20040113837 Enhanced gnss receiver
06/17/2004US20040113819 Method of input of a security code by means of a touch screen for access to a function, an apparatus or a given location, and device for implementing the same
06/17/2004US20040113756 Device and method for coupling with electrical distribution network infrastructure to provide communications
06/17/2004US20040113747 Apparatus, methods and articles of manufacture for a multi-band switch
06/17/2004US20040113719 High-frequency module
06/17/2004US20040113702 Tuner circuit
06/17/2004US20040113698 Signal amplifier using a doherty amplifier
06/17/2004DE10255795A1 Anordnung zum Betrieb einer Mehrzahl von Endgeräten an einer gemeinsamen Antenne und Verfharen zum Betreiben einer solchen Anordnung Arrangement for operating a plurality of terminals on one antenna and Verfharen for operating such an arrangement
06/16/2004EP1429578A1 Allocation of a radio access bearer with a lower rate than desired in case of lack of resources, if an indicator in the assignment request indicates that the communication rate is negotiable
06/16/2004EP1429577A1 Allocation of a radio access bearer with a lower rate than desired in case of lack of resources, if an indicator in the assignment request indicates that the communication rate is negotiable
06/16/2004EP1429557A2 Video overlay device of mobile telecommunication terminal
06/16/2004EP1429506A2 Pipeline architecture for equalisers
06/16/2004EP1429488A2 Incremental redundancy support in an EDGE cellular wireless terminal
06/16/2004EP1429487A2 EDGE incremental redundancy memory structure and memory management
06/16/2004EP1429485A1 Apparatus and method for generating scrambling code in UMTS mobile communication system
06/16/2004EP1429484A1 Apparatus and method for generating scrambling code in UMTS mobile communication system
06/16/2004EP1429481A2 Frequency discovery and failover
06/16/2004EP1429480A2 Cellular phone with improved receiver sensitivity
06/16/2004EP1429472A2 Wireless communication apparatus and transmission power control method thereof
06/16/2004EP1429469A2 Multipath CDMA receiver for reduced pilot
06/16/2004EP1429468A2 Apparatus for mapping and spreading data symbols in mobile communication systems
06/16/2004EP1429467A1 Method and device for synchronization and identification of the codegroup in cellular communication systems, computer program product therefor
06/16/2004EP1429466A1 Frequency dependent telecommunication hybrid circuit
06/16/2004EP1429465A2 Apparatus and method for radio signal parallel processing
06/16/2004EP1429464A1 High frequency module and radio device using the same
06/16/2004EP1429442A2 Circuit for preventing unintentional power off of mobile terminal and method therefor
06/16/2004EP1429417A1 Reader and transponder within housings
06/16/2004EP1429255A2 European digital audio broadcast receiver having a simply implementable FFT processor
06/16/2004EP1429231A1 Numerical control oscillator, digital frequency converter and radio frequency unit
06/16/2004EP1428382A1 Method and apparatus to select content
06/16/2004EP1428381A1 Method and apparatus for isolating noise from a tuner in a television signal receiver
06/16/2004EP1428374A1 Process, arrangement, devices for seizure of a shared telephone line
06/16/2004EP1428365A1 Method and apparatus for cancelling co-channel interference in a receiving system using spatio-temporal whitening
06/16/2004EP1428338A2 Method and apparatus for interference signal code power and noise variance estimation
06/16/2004EP1428335A1 Generation of a phase locked loop output signal having reduced spurious spectral components
06/16/2004EP1428332A1 Verification methods and apparatus for improving acquisition searches of asynchronous cells
06/16/2004EP1428325A2 Method and apparatus for step two of w-cdma searching
06/16/2004EP1428324A1 Method and apparatus for direct digital to rf conversion using pulse shaping
06/16/2004EP1428323A1 Power line communication circuit
06/16/2004EP1428315A1 Unobtrusive removal of periodic noise
06/16/2004EP1428312A1 Multiband receiver and method associated therewith
06/16/2004EP1428133A1 Ethernet protection system
06/16/2004EP1358721B1 Method and system for controlling device transmit power in a wireless communication network
06/16/2004EP1323271A4 System and method for fast code phase and carrier frequency acquisition in gps receiver
06/16/2004EP1173934B1 Digital radio system
06/16/2004EP1147667B1 Local video and audio network with optical data line
06/16/2004EP1103126A4 Cellular telephony searcher
06/16/2004EP1000463B1 Front end filter circuitry for a dual band gsm/dcs cellular phone
06/16/2004EP0970442B1 Device for influencing the operating status of an electronic appliance
06/16/2004EP0835557B1 Digitally compensated direct conversion receiver
06/16/2004EP0829107B1 Antenna coupler for a portable radiotelephone
06/16/2004EP0815652B1 A receiver for detecting adjacent channel interference
06/16/2004EP0796529B1 Orthogonal code division multiple access communication system having multicarrier modulation
06/16/2004CN1505912A Transmission in a communication system
06/16/2004CN1505878A Ofdm transmitter and OFDM transmitting method
06/16/2004CN1505875A Transmission power control circuit using W-CDMA method
06/16/2004CN1505872A Method for the correlate carrier joint detection
06/16/2004CN1505871A Fast joint detection
06/16/2004CN1505870A Method of arbitrating speakerphone operation in a portable communication device for eliminating false arbitration due to echo
06/16/2004CN1505433A Apparatus and method for upgrading wireless mobile station
06/16/2004CN1505432A Power amplifying system and method
06/16/2004CN1505390A Broadcast receiver apparatus, broadcast receiving method and AV network system
06/16/2004CN1505366A Mobile communication terminal with hinge apparatus
06/16/2004CN1505365A Folder-type communication apparatus
06/16/2004CN1505352A Output level adjusting circuit and method thereof for multi-carrier transmitter
06/16/2004CN1505315A A data disaster recovery solution method producing no interlinked data reproduction
06/16/2004CN1505296A A multipath search method and apparatus using two layer filtration process
06/16/2004CN1505294A A multi-user receiving device of uplink dedicated physical channel in WCDMA system
06/16/2004CN1505293A Wireless channel estimation method and evaluation device for orthogonal frequency division multiplexing communication system
06/16/2004CN1505290A Wireless communication device and a method for controlling the same
06/16/2004CN1505283A Optical fiber communication network protection system
06/16/2004CN1505274A Expandable two-dimensional array arrangement and method for realizing route system hot backup using same
06/16/2004CN1505273A Interleaving / deinterleaving device and method for communication system
06/16/2004CN1505272A Device for generating wide tunable frequency using frequency divider
06/16/2004CN1505271A Transceiving filter and communication device
06/16/2004CN1505270A A schematic diagram inspection method for hardware design
06/16/2004CN1505260A TV signal switching circuit
06/16/2004CN1505259A Integrated circuit for high frequency device
06/16/2004CN1505258A Direct digitalized signal synthesizer
06/16/2004CN1504857A Radio installation and power supply management method therefor
06/16/2004CN1504364A Method for processing radio waves, and audio system utilizing the method
06/16/2004CN1154391C System and method for measuring channel quality information in a communication system
06/16/2004CN1154390C Electric efficiency raising circuit of radio-frequency power amplifier in double-mode mobile telephone
06/16/2004CN1154387C Method and apparatus for scheduling wake-up time in a CDMA mobile station
06/16/2004CN1154385C Method for compensating transmission power dispersion in channel of mobiletelephone
06/16/2004CN1154376C Device for spreading or despreading frequency spectrum transmitted in mobile radio system
06/16/2004CN1154373C Electronic equipment capable of extending battery lifes
06/16/2004CN1154349C Selective RF circuit with varactor tuned bandpass switched bandpass filters
06/16/2004CN1154313C Digital receiver
06/16/2004CN1154312C Radio communication method, radio station, and mobile communication system
06/16/2004CN1154279C Radio communication equipment and method for lowering its energy consumption
06/16/2004CN1154272C Receiving method based on interference elimination
06/16/2004CN1154269C Method and system for keeping upper links in synchronization in CDMA mobile communication system
06/16/2004CN1154265C System, apparatus and method for multi-carrier transmission
06/16/2004CN1154264C Signal transmitter with automatic output control
06/16/2004CN1154262C Access channel slot sharing
06/16/2004CN1154253C Method of controlling initial power ramp-up in CDMA systems by using short codes