Patents
Patents for H04L 5 - Arrangements affording multiple use of the transmission path (28,368)
05/2003
05/13/2003US6563859 Receiver and receiving method in multi-carrier spread-spectrum communications
05/13/2003US6563804 System and method for providing full-duplex audio communication using a half-duplex audio circuit
05/13/2003US6563801 Cable interface for data and power supply
05/13/2003US6563786 Orthogonal frequency division multiplexing system with selectable rate
05/08/2003WO2003039125A1 Method and device for low-pass filtering
05/08/2003WO2003039078A1 A method for setting a communication parameter for data communication between a primary modem pair via a second a secondary modem pair over a packet network
05/08/2003WO2003039059A1 Asymmetric transmission method by tdma-tdd type wireless circuit
05/08/2003US20030087659 Training-while-working data communications
05/08/2003US20030086486 Method and system for determining maximum power backoff using frequency domain geometric signal to noise ratio
05/08/2003US20030086435 Modularly clustered radiotelephone system
05/08/2003US20030086362 Joint reduction of NEXT and FEXT in xDSL systems
05/08/2003US20030085766 Tunable oscillator
05/07/2003EP1308010A2 Multi-carrier transmission method using symbol redundancy and corresponding apparatus
05/07/2003EP1307973A2 Systems and methods for characterizing transmission lines in a multi-carrier dsl environment
05/07/2003EP0783804B1 Multiple band radio
05/07/2003CN1416252A Collision detection method and device applied in communication system with multiple axxesses
05/06/2003US6560275 Interconnection process and interface using parallelized high-speed serial links
05/06/2003US6560209 Method for frequency division duplex communications
05/02/2003EP0758507B1 System and method for start up of a two wire modem
05/01/2003WO2003036849A1 Speed-dependent multicarrier modulation
05/01/2003WO2002091651A3 Fast exchange during initialization in multicarrier communication systems
05/01/2003WO2002031991A3 Channel assignment in an ofdma system
05/01/2003US20030081538 Multiple-access hybrid OFDM-CDMA system
04/2003
04/30/2003CN1415142A System and method for increasing feeder link capacity in satellite communications system
04/30/2003CN1107377C Channel selecting method and apparatus
04/29/2003US6556622 Seamless transition between communication characteristics of communication devices
04/24/2003WO2003034645A1 Multiple-access hybrid ofdm-cdma system with frequency-domain spreading
04/24/2003WO2003034644A1 Scattered pilot pattern and channel estimation method for mimo-ofdm systems
04/24/2003WO2003034642A2 Synchronisation in multicarrier cdma systems
04/24/2003WO2003034639A1 Adaptive point-to-point microwave radio system
04/24/2003US20030076899 Polyphase channelization system
04/24/2003US20030076809 Methods for detecting and polling downstream modems
04/24/2003US20030076802 Modularly clustered radiotelephone system
04/23/2003EP1304826A2 Waveform generation for interplex modulation
04/23/2003EP1304817A2 A transmission power setting method, a mobile communications system, and a base station
04/23/2003EP1303960A2 Data transmission using pulse width modulation
04/23/2003EP1303959A2 Transmission of main and auxilliary data using pulse width modulation
04/23/2003EP1303924A2 High data-rate powerline network system and method
04/23/2003EP1303907A2 Frequency converter for multi-channel systems
04/23/2003CN1413391A Method and apparatus for performing search acquisition in multi-carrier communication system
04/23/2003CN1413042A Transmitting power installing method, mobile communication system and base station
04/23/2003CN1106777C Cellular multicarrier wireless communication system
04/23/2003CN1106745C Information packet program component detector
04/22/2003US6553062 Apparatus and method for selecting communication speeds on data signal line
04/22/2003US6553061 Method and apparatus for detecting a waveform
04/22/2003US6553019 Communications system employing orthogonal frequency division multiplexing based spread sprectrum multiple access
04/22/2003US6553011 Cellular multicarrier wireless communication system
04/17/2003WO2003032594A1 Information transfer methods
04/17/2003WO2003032546A1 Channel inferring device and method
04/17/2003WO2003032543A1 Automatic frequency control device for ofdm and method therefor
04/17/2003WO2003032542A1 Frequency synchronizing method, and frequency synchronizing device
04/17/2003WO2003032541A1 Ofdm receiving method and ofdm receiving device
04/17/2003WO2003032515A1 Echo cancelling arrangement
04/17/2003WO2002051048A3 Sub-channels for the random access channel in time division duplex system
04/17/2003US20030074511 Bus repeater
04/17/2003US20030072385 Method and apparatus for generating a composite signal
04/17/2003US20030072359 Method and apparatus for digital subscriber line transfer
04/17/2003US20030072331 Configuration of overhead channels in a mixed bandwidth system
04/17/2003US20030072291 Multi-user detection method for a receiver in a MC-CDMA telecommunication system
04/17/2003US20030072274 Transmission power setting method, a mobile communications system, and a base station
04/17/2003US20030072257 Digital broadcast channel reception system and method and portable terminal for use in such system
04/17/2003US20030072255 System access and synchronization methods for MIMO OFDM communications systems and physical layer packet and preamble design
04/17/2003US20030072254 Scattered pilot pattern and channel estimation method for MIMO-OFDM systems
04/16/2003EP1303073A1 PRBS generator selection in modem communication
04/16/2003EP1302041A1 Device for narrow-band communication in a multi-carrier system
04/16/2003EP1302016A1 Synchronising, in a base station, signals transmitted by several terminals, for fdma communication systems
04/16/2003EP1260072A4 Dsl repeater
04/16/2003CN1411236A Data retransmission method based on bit conversion
04/16/2003CN1106085C Method and apparatus for encoding of digitalized audio signal
04/15/2003US6549784 Method and apparatus for implementing measurement based dynamic frequency hopping in wireless communication systems
04/15/2003US6549581 Transmitter and method to cancel interference in OFDM communication
04/15/2003US6549570 Apparatus for line state analysis in a telecommunications system
04/15/2003US6549242 Combining adjacent TV channels for transmission by a common antenna
04/15/2003CA2296091C Method and apparatus for adaptive control of forward error correction codes
04/10/2003WO2003030480A1 Pcm modem over all-digital connection
04/10/2003WO2003030439A1 A data retransmission method based on bit transform
04/10/2003WO2003030423A1 Ofdm transmitter and ofdm transmitting method
04/10/2003WO2003030362A2 Multiplexer cell and multiplexer circuit arrangement and encoding device for use in a multiplexer circuit arrangement of this type
04/10/2003WO2003013048A9 Power backoff method and system for g.shdsl modem using frequency domain geometric signal to noise ratio
04/10/2003US20030067895 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
04/10/2003US20030067873 Communications network and method of controlling the communication network
04/09/2003EP1301030A2 Method and apparatus for simultaneously retrieving portions of a data stream from different channels
04/09/2003EP1300977A1 Parallel interference cancellation in an MC-CDMA telecommunication system
04/09/2003EP1300941A2 Distortion compensator
04/09/2003EP1299978A2 Multiplexing of real time services and non-real time services for ofdm systems
04/09/2003EP1299956A2 Code power measurement for dynamic channel allocation
04/09/2003EP0847634B1 Time division duplex repeater for use in a cdma system
04/09/2003CN1409911A Receiving device for angle-modulated signals
04/09/2003CN1409500A Method and device for transferring multiple kinds of service information based on synchronous transmission system
04/09/2003CN1409497A 失真补偿装置 Distortion compensation device
04/08/2003US6546249 Seamless two-way roadway communication system
04/08/2003US6546061 Signal transformation method and apparatus
04/08/2003US6546060 Direct modulating FSK transmitter for MCA
04/08/2003US6546046 DSL pre-synchronization auto baud
04/08/2003US6545997 Transmission method and transmission apparatus for transmitting signals on the basis of a OFDM/TDMA-system with pilot symbols
04/08/2003US6545625 Method and device for data exchange between memory and logic modules
04/08/2003CA2296078C Multicarrier demux/demod (mcdd) wireless network architecture
04/03/2003WO2003028331A1 Method of establishing a direct communication between communication terminals such as computers
04/03/2003WO2003028327A2 Efficient methods for filtering to avoid inter-symbol interference and processing digital signals having large frequency guard bands
04/03/2003WO2003028255A2 Method and apparatus for data transfer using a time division multiple frequency scheme