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)
11/2002
11/13/2002EP1256097A2 A wireless identification device
11/13/2002EP1256093A2 An identification device for providing information regarding a container
11/13/2002EP1256092A2 Transponder, especially for a contactless chip card
11/13/2002EP1256014A1 Hierarchical delay lock loop code tracking system with multipath correction
11/13/2002EP1169782B1 Method and apparatus for successive cancellation using multiple signal timings
11/13/2002EP1163727B1 Frequency synthesiser
11/13/2002EP1116391B1 Paging
11/13/2002EP1057279B1 method for asynchronous cdma cellular communication
11/13/2002EP1018223B1 Broad band digital radio receiver for multicarrier signal
11/13/2002EP1008093B1 Method and device for remote identification
11/13/2002EP0934652B1 Reception of modulated carriers having asymmetrical sidebands
11/13/2002EP0901724B1 Method for processing of data with a radio receiver
11/13/2002EP0872051B1 Method and apparatus for controlling frequency of a multi-channel transmitter
11/13/2002EP0830616B1 Mitigation of multipath effects in global positioning system receivers
11/13/2002EP0827651A4 Method and apparatus for estimating a channel parameter in a digital radio frequency communication system
11/13/2002EP0745297B1 Robust frequency management and acquisition in a wireless local area network that uses frequency-hopping radios
11/13/2002CN2520612Y Radio spectrum spread apparatus
11/13/2002CN1379963A Variable sleep mode for mobile stations in mobile communications network
11/13/2002CN1379936A Network switch for failure restoration
11/13/2002CN1379934A 功率估计方法 Power Estimation
11/13/2002CN1379933A Receivers and methods of receiving co-channel signals by channel separation and successive cancellation
11/13/2002CN1379932A Receiver, transceiver, radio unit and method for telecommunication
11/13/2002CN1379612A Priority and control of data stream of extended frequency multi usre channel
11/13/2002CN1379611A 移动通信设备 The mobile communication device
11/13/2002CN1379609A Foldable mobile communication terminal
11/13/2002CN1379561A System and method of transmitting/receiving data in CDMA mobile communication system
11/13/2002CN1379554A 道路交通信息提供装置及道路交通信息提供方法 Road traffic information providing device and road traffic information providing method
11/13/2002CN1094302C 无线电接收机和无线电接收机中的信号放大方法 Radio receiver and a radio receiver signal amplification method
11/13/2002CN1094301C 移动通信系统的基站中使用的发射装置 Transmitting means of the base station in a mobile communication system used
11/13/2002CN1094278C 具有初始频率截获装置的移动通信终端 Having an initial frequency interception device of a mobile communication terminal
11/13/2002CN1094274C 通信系统中信噪比测量装置和方法以及发射功率控制方法 Communication system signal to noise ratio measurement apparatus and method, and transmission power control method
11/13/2002CN1094272C 用于多波束天线通信系统的干扰消除器装置和干扰消除方法 Interference for multi-beam antenna communication system canceller equipment and interference cancellation method
11/13/2002CN1094271C 通信用无线电装置的收发信电路及半导体集成电路装置 Communications transceiver circuit and a semiconductor integrated circuit device with a radio device
11/13/2002CN1094261C 具有两个发射元件、且二者间相位差可调的天线设备 Having two transmit elements, and the phase difference between the two antenna device adjustable
11/12/2002US6480974 Method for use of bus parking states to communicate diagnostic information
11/12/2002US6480727 Using inactivity levels to extend subscriber equipment battery life
11/12/2002US6480723 Communications interface adapter
11/12/2002US6480722 Radio receiver
11/12/2002US6480721 Method and system for avoiding bad frequency subsets in a frequency hopping cordless telephone system
11/12/2002US6480706 High sensitivity radio receiver
11/12/2002US6480705 Distortion compensation method and wireless communication apparatus
11/12/2002US6480704 Method and arrangement for forming a transmission signal
11/12/2002US6480703 Common carrier, multiple output RF upconverter
11/12/2002US6480700 Apparatus, and associated method, for operating a communication device at reduced level of current consumption
11/12/2002US6480558 Synchronization and cell search methods and apparatus for wireless communications
11/12/2002US6480554 Channel estimation in a CDMA cellular communication system
11/12/2002US6480530 Processing for improved performance and reduced pilot
11/12/2002US6480529 Programmable matched filter searcher for multiple pilot searching
11/12/2002US6480527 CDMA demodulating method and demodulator
11/12/2002US6480526 Spread spectrum receive apparatus
11/12/2002US6480525 Second level collision resolution for packet data communications
11/12/2002US6480523 Spectrum spreading communication system using single spreading code
11/12/2002US6480522 Method of polling second stations for functional quality and maintenance data in a discrete multitone spread spectrum communications system
11/12/2002US6480482 Multi-user interference cancellor with small sized circuits and little quantity of calculation
11/12/2002US6480481 Gated transmission in control hold state in CDMA communication system
11/12/2002US6480479 CDMA cellular radio transmission system
11/12/2002US6480478 Data demodulator for multicode CDMA system
11/12/2002US6480476 Variable sleep mode for mobile stations in a mobile communications
11/12/2002US6480466 Terminal switching apparatus and method
11/12/2002US6480465 AM transmitter having feed-forward correction to compensate for source impedance
11/12/2002US6480397 Cover structure for portable electronic device
11/12/2002US6480155 Antenna assembly, and associated method, having an active antenna element and counter antenna element
11/12/2002US6480151 GPS receiver interference nuller with no satellite signal distortion
11/12/2002US6480143 Electronic identification system
11/12/2002US6480099 Modulation method for data transmission from a transponder to a read-write device
11/12/2002US6478205 Case for portable telephones
11/12/2002CA2221560C Cellular communication system having device coupling distribution of antennas to plurality of transceivers
11/12/2002CA2125831C Method of synchronization for code division multiple access radiotelephone communications
11/12/2002CA2118915C Process for reducing frequency interlacing during acoustic or optical signal transmission and/or recording
11/07/2002WO2002089482A1 Television access control system
11/07/2002WO2002089481A2 Method of an apparatus for providing recommandations to users of entertainment receivers
11/07/2002WO2002089435A1 Controlled modulation distortion
11/07/2002WO2002089430A1 Neighbour discovery in a communications network
11/07/2002WO2002089429A1 Lightweight piconet scheme
11/07/2002WO2002089362A1 Transmission power control circuit using w-cdma method
11/07/2002WO2002089357A1 Millimeter wave communication link
11/07/2002WO2002089351A1 Reducing mutual channel interference in frequency-hopping spread spectrum wireless communication systems, such as bluetooth systems
11/07/2002WO2002089350A1 Synchronization of wireless communication between devices
11/07/2002WO2002089349A1 Method and apparatus for code synchronisation in cdma
11/07/2002WO2002089348A1 Method and apparatus for code synchronisation in cdma
11/07/2002WO2002089347A1 Device for synchronizing a receiver and a transmitter in a communication system
11/07/2002WO2002089346A1 Fast joint detection
11/07/2002WO2002089345A1 Method and apparatus for signal detection in ultra wide-band communications
11/07/2002WO2002089343A1 Hinge device
11/07/2002WO2002089336A2 Analogue and digital signal processing
11/07/2002WO2002089322A1 Linearized switch-based power amplifier
11/07/2002WO2002089312A2 Frequency conversion by undersampling
11/07/2002WO2002089255A1 Antenna device and radio apparatus
11/07/2002WO2002089247A2 Apparatus and method for minimizing multipath interference
11/07/2002WO2002089133A2 Data integrity error handling in a redundant storage array
11/07/2002WO2002088972A1 A system and method for maintaining proper termination and error free communication in a network bus
11/07/2002WO2002088914A1 Enclosure for wireless communication device
11/07/2002WO2002073937A3 Wireless communications methods and systems for long-code and other spread spectrum waveform processing
11/07/2002WO2002073867A3 Method and apparatus for data rate control in a communication system
11/07/2002WO2002065649A3 Amplifier phase change compensation
11/07/2002WO2002051029A3 Method and apparatus for communicating with a peripheral modem
11/07/2002WO2002049229A3 Fast decoding of long codes
11/07/2002WO2002003627A3 Adaptive transmission channel allocation method and system for ism and unlicensed frequency bands
11/07/2002WO2001045295A3 Method and apparatus for managing multipath signals
11/07/2002WO2000024117A9 Method and system for down-converting an electromagnetic signal