Patents
Patents for H04L 5 - Arrangements affording multiple use of the transmission path (28,368)
11/2004
11/18/2004US20040228269 Multi-band OFDM communications system
11/18/2004US20040228267 Fast frequency hopping with a code division multiplexed pilot in an OFDMA system
11/17/2004EP1478116A2 Packet data communication system with acknowledgment
11/17/2004EP1477001A1 Modulation by multiple pulse per group keying and method of using the same
11/17/2004EP1477000A2 Channel bonding control logic architecture
11/17/2004EP1476978A2 Asymmetric digital subscriber line modem apparatus and methods therefor
11/17/2004EP1163729A4 Bus driver with data dependent drive strength control logic
11/17/2004CN1547821A Method and system for bit rate adaptation
11/16/2004US6819749 Method and apparatus for fast V.90 modem startup
11/16/2004US6819706 Control device for controlling power level between frequency assignment in radio frequency receiving device of mobile radio communication base station system in CDMA system
11/16/2004US6819658 Method and apparatus for segmentation, reassembly and inverse multiplexing of packets and ATM cells over satellite/wireless networks
11/11/2004WO2004098106A1 Method, emitter and receiver for transmitting data in a multi-access cdma-system by means of fully complementary code matrixes for two-dimensional data spreading in a frequency and time direction
11/11/2004WO2004098056A2 Input stage of a signal-processing unit
11/11/2004WO2004097652A2 Method for operating a digital interface arrangement, and digital interface arrangement for exchanging data
11/11/2004WO2004057821A8 System and method for communicating digital information using time-and-frequency-bounded base functions
11/11/2004US20040223763 Passive optical network employing multi-carrier code division multiple access
11/10/2004EP1475915A2 Passive optical network employing multi-carrier code division multiple access
11/10/2004EP1421725A4 Dynamic link adaption for time division duplex (tdd)
11/10/2004EP0950313B1 Collision avoidance in a half-duplex communication system
11/10/2004CN1545775A Multicarrier communication apparatus and multicarrier communication method
11/10/2004CN1545255A A method for centralized management of relay resources
11/10/2004CN1175612C Method and system for synchronous time-division duplex receiving and transmitting unit
11/09/2004US6816555 Signal component demultiplexing apparatus, filter apparatus, receiving apparatus, communication apparatus, and communication method
11/09/2004US6816473 Method for adaptive forward power control for spread-spectrum communications
11/09/2004US6816004 Minimizing noise in data channels implemented using frequency division multiplexing
11/04/2004WO2004095793A1 Wideband multi-channel quadrature amplitude modulation of cable television signals
11/04/2004WO2004095774A1 Method of implementing long distance very-high-rate digital subscriber line
11/04/2004WO2004095765A2 Method and apparatus for estimating and controlling initial time slot gain in a wireless communication system
11/04/2004WO2004095757A2 Rate adaptive data broadcast technique
11/04/2004WO2004095749A1 Radio transmitting/receiving apparatus and radio transmitting/receiving method for estimating noise and interference power in ratio transmission using code spread
11/04/2004WO2004095729A2 Multi-carrier signal designed to reduce cell interferences in a radiocommunication network, corresponding receiver, transmitter, construction method and reception method
11/04/2004WO2004095707A2 Data encoding using an oscillator circuit
11/04/2004WO2004095706A2 System and method for using a microlet-based modem
11/04/2004WO2004095349A2 Information exchanging and modem architecture using an intelligent database
11/04/2004WO2004095165A2 Carrier management for a network
11/04/2004US20040221312 Techniques for reducing multimedia data packet overhead
11/04/2004US20040221216 Amplitude selection
11/04/2004US20040221056 Method of real time optimizing multimedia packet transmission rate
11/04/2004US20040218754 Echo canceling arrangement
11/04/2004US20040218692 Multi-channel tuner using a discrete cosine transform
11/04/2004US20040218579 Network device and data packet communication method for improving data packet transmission efficiency in a mobile ad hoc network
11/04/2004US20040218521 Method for data communication between a single-carrier system and a multi-carrier system
11/04/2004US20040217890 Strobe through differential signaling
11/04/2004DE202004010729U1 System zur Verwaltung von Funkressourcen in einem Zeitschlitze verwendenden Kommunikationssystem The system for managing radio resources in a communication system time slots used
11/04/2004DE10317193A1 Multiple carrier data transfer method, e.g. for use with OFDM in wireless LAN systems, whereby the transmission signal is modulated and sent over an orthogonal sub-carrier with the signal carried in the time domain
11/04/2004CA2523118A1 Wideband multi-channel quadrature amplitude modulation of cable television signals
11/04/2004CA2520208A1 Method and apparatus for estimating and controlling initial time slot gain in a wireless communication system
11/03/2004EP1473896A1 Method for configuring a xDSL modem and modem applying such procedure.
11/03/2004EP1473697A2 Techniques for reducing multimedia data packet overhead
11/03/2004EP1472807A1 Base station for a telecommunication system
11/03/2004EP1201039B1 System for the common operation of digital radio devices adjustable according to different waveforms
11/03/2004EP0880868B1 Method and apparatus for compressing and transmitting high speed data
11/03/2004CN1543721A Channel prediction device and method
11/03/2004CN1174592C Data communication apparatus and method based on orthogonal FDMA
11/03/2004CN1174558C Method and equipment for Reducing computation in joint detection
11/02/2004US6813483 Method and system for improving noise margin in a receiver circuit
11/02/2004US6813326 Data transmission system, data transmission communication station, and data transmission method
11/02/2004US6813317 Multicarrier transmitting method and multicarrier transmitter circuit
11/02/2004US6813259 Method and apparatus for minimizing delay variance via time divided transmissions
11/02/2004US6813254 Methods and apparatus for wireless communication using code division duplex time-slotted CDMA
11/02/2004US6812741 Bidirectional signal transmission circuit and bus system
10/2004
10/28/2004WO2004093377A1 Signal transmitting apparatus, power supplying system, and serial communication apparatus
10/28/2004WO2004093366A2 Method for initialization of per tone frequency domain equalizer (feq) through noise reduction for multi-tone based modems
10/28/2004WO2004093338A2 Terminal device for a bi-directional radio relay link
10/28/2004WO2003028215A3 Tunable oscillator
10/28/2004US20040216025 Apparatus and method for encoding and decoding TFCI in a mobile communication system
10/28/2004US20040215866 Bus for supporting plural signal line configurations and switch method thereof
10/28/2004US20040215808 Electronic apparatus with communication device
10/28/2004US20040213362 High speed decoding apparatus and method for analog subscriber connections
10/28/2004US20040213326 Method of tone allocation for tone hopping sequences
10/28/2004US20040213293 Bit and power allocation scheme for full-duplex transmission with echo cancellation in multicarrier-based modems
10/28/2004US20040213187 Transmit diversity system method and computer program product
10/28/2004US20040213170 Extended-performance echo-canceled duplex (EP ECD) communication
10/28/2004US20040213154 Transmission level control method and transceiver apparatus in wireless local loop system
10/28/2004US20040213145 Orthogonal frequency division multiplex transmission method
10/28/2004US20040213144 Radio communications apparatus and radio communications method
10/27/2004EP1471674A1 Method, transmitter and receiver for data transmission in a CDMA system using orthogonal complementary spreading matrices for two-dimensional spreading of the data in both frequency- and time-axis
10/27/2004EP1471663A2 Transmit diversity system, method and computer program product
10/27/2004EP0815668B1 Transmitter for and method of transmitting a wideband digital information signal
10/27/2004CN1541464A Dynamic link adaption for time division duplex (TDD)
10/27/2004CN1540937A Method for realizing data subscriber line in long-distance and at very high speed
10/27/2004CN1173516C Transmission systems for transmitting flexible multiplex signal
10/27/2004CN1173499C OFDMA signal transmitting apparatus and method
10/26/2004US6810070 Selective multi-carrier direct sequence spread spectrum communication systems and methods
10/26/2004US6810030 Dynamic and smart spreading for wideband CDMA
10/26/2004US6810006 OFDM signal organized so as to simplify reception
10/26/2004CA2233462C A digital signal system having a sync confidence counter
10/21/2004WO2004091249A1 A method in a transceiver for allocating transmission capacity between the two directions of transmission in wire line data communication
10/21/2004WO2004091113A1 System and method for data communication over power lines
10/21/2004US20040209570 Efficient and optimal channel encoding and channel decoding in a multiple access communications system
10/21/2004US20040208315 Information exchanging and modem architecture using an intelligent database
10/21/2004US20040208240 Data encoding using an oscillator circuit
10/21/2004US20040208232 Radio transmission apparatus and radio transmission method
10/21/2004US20040208139 Carrier management for a network
10/21/2004US20040208136 Physical random access channel for slotted wireless communication systems
10/21/2004US20040207544 Memory interface system
10/21/2004US20040207263 Power line communication device for vehicle
10/21/2004CA2562395A1 System and method for data communication over power lines
10/20/2004EP1469628A2 Constellation design for a multiple access communication systems
10/20/2004EP1469395A1 Memory interface system