Patents
Patents for H04L 5 - Arrangements affording multiple use of the transmission path (28,368)
04/2005
04/26/2005US6885697 Method of setting communication bands and communication device
04/26/2005US6885654 Low complexity data detection using fast fourier transform of channel correlation matrix
04/26/2005US6885630 Combined simulcasting and dedicated services in a wireless communication system
04/26/2005CA2256733C Data framing format for digital radio communications and method of forming same
04/26/2005CA2152242C Communication system and electronic apparatus
04/21/2005WO2005036789A1 Method of optimizing a network
04/21/2005WO2005036763A1 Multi-channel coded orthogonal frequency division modulation system
04/21/2005WO2005009056A3 Data transmission in a communication system
04/21/2005US20050085935 Audio system
04/21/2005US20050085236 Method for subcarrier allocation and modulation scheme selection in wireless multicarrier transmission system
04/21/2005US20050084001 Transmission level control method and transceiver apparatus in wireless local loop system
04/21/2005US20050084000 Method and apparatus for transmission and reception within an OFDM communication system
04/20/2005EP1524794A1 Transceiver training in a Digital Subscriber Line communicating system
04/20/2005EP1524793A1 Method of mapping chips of a spread out symbol to sub-channels of a multi-carrier transmission network
04/20/2005CN1607761A Audio system
04/20/2005CN1607751A Communication system
04/20/2005CN1607743A Transmission diversity system, method, and computer program product
04/20/2005CN1607557A Control and supervisory signal transmission system
04/20/2005CN1198428C Modulation technique for transmitting a high data rate signal and an auxiliary data signal through a band limited channel
04/20/2005CN1198417C Multiple carrier CDMA radio transmitting method and device
04/19/2005US6882690 Soft trellis slicer for improving the performance of a decision-directed phase tracker
04/19/2005US6882619 Interference suppressing OFDM method for wireless communications
04/19/2005CA2257997C A system and method for sending multiple data signals over a serial link
04/14/2005WO2005034419A1 Multi-carrier ofdm uwb communications systems
04/14/2005US20050078776 Apparatus and method for compensating I/Q imbalance based on gain-controlled reference channel in orthogonal frequency division multiplex
04/14/2005US20050078759 Subcarrier and bit allocation for real time services in multiuser orthogonal frequency division multiplex (OFDM) systems
04/14/2005US20050078683 Data transmission
04/14/2005US20050078617 Half-duplex communication control method
04/14/2005US20050078598 Enhancement to the multi-band OFDM physical layer
04/13/2005EP1523132A2 Digital transmission of audio signals
04/13/2005EP1523125A2 Transmission of data between a central device and a plurality of remote devices
04/13/2005EP1523124A2 Transmission of data between a central device and a plurality of remote devices
04/13/2005EP1523123A2 Data transmission between a central device and a plurality of remote devices
04/13/2005EP1523122A2 Data transmission between a central device and a plurality of remote devices
04/13/2005EP1522200A2 Rate control for multi-channel communication systems
04/13/2005EP1522151A2 System and method for a direct conversion multi-carrier processor
04/13/2005EP0953231B1 Multiplexing method and transceiver
04/13/2005EP0932954A4 A class of low cross correlation non-palindromic synchronization sequences for code tracking in synchronous multiple access communication systems
04/13/2005CN1197429C Ultrahigh speed data coding and decoding method and its mapping method
04/13/2005CN1197319C Multi-carrier individual access communication system
04/13/2005CN1197317C Power control scheme for maximizing carrier signal-to-noise ratio in multicarrier transmitters
04/13/2005CN1197304C Method of allocating transmission channels to mobile station, in particular in half-duplex mode, in mobile packet-mode telecommunications network
04/12/2005US6879649 Receiver and method for digital transmission in a wireless communication network
04/12/2005US6879627 Variable rate continuous mode satellite modem
04/12/2005US6879578 Single user detection user equipment
04/07/2005WO2005032087A1 Apparatus and method for digitally implementing a wideband multicarrier
04/07/2005WO2005032035A1 Hierarchical coding with multiple antennas in a wireless communication system
04/07/2005WO2005032004A1 Apparatus and method for transmitting/receiving an uplink pilot signal in a communication system using an orthogonal frequency division multiple access scheme
04/07/2005WO2005031970A2 Method, device and system for output impedance calibration that invariably maximizes hybrid performance
04/07/2005WO2004028086A3 Methods and electronic devices for wireless ad-hoc network communications using receiver determined channels and transmitted reference signals
04/07/2005US20050075078 Adaptive point-to-point microwave radio system
04/07/2005US20050073972 Half-duplex radio communication apparatus, half-duplex radio communication system, and half-duplex radio communication method
04/07/2005US20050073198 Interface circuit power reduction
04/06/2005EP1521415A2 Apparatus and method for transmitting / receiving an uplink pilot signal in a communication system using an orthogonal frequency division multiple access scheme
04/06/2005EP1521389A2 Methods and devices for mapping and for demapping data to and from subcarriers of multicarrier system
04/06/2005EP1520385A1 Dual-mode shared ofdm methods/transmitters, receivers and systems
04/06/2005EP1520363A1 Mt-cdma using spreading codes with interference-free windows
04/06/2005EP0920757B1 Signal transformation method and apparatus
04/06/2005CN1605173A Multiple-access hybrid OFDM-CDMA system with frequency-domain spreading
04/06/2005CN1605172A Scattered pilot pattern and channel estimation method for MIMO-OFDM systems
04/06/2005CN1604616A Half-duplex radio communication apparatus, half-duplex radio communication system, and half-duplex radio communication method
04/06/2005CN1604518A A method for transmitting wireless data wideband signal via cable television network
04/06/2005CN1196294C Method for determining gains of different carriers, radio transmission units and modules for such units
04/06/2005CN1196280C Electrical insulation device with optocoupler for bidirectional connecting lines
04/06/2005CN1196279C Time division duplex repeater for use in CDMA system
04/06/2005CN1196277C Transmit diversity method and system
04/05/2005US6876696 Timing device and method using a timing equalizer filter for a digital communications systems
04/05/2005US6876645 Delay and channel estimation for multi-carrier CDMA system
04/05/2005US6876229 Method and system for providing bidirectional asynchronous communication
04/05/2005CA2319886C Packet-transmitting system
03/2005
03/31/2005WO2004084450A3 Method and system for a data transmission in a communication system
03/31/2005US20050071514 Autonomic configuration of interconnection cable speeds
03/31/2005US20050069394 Method, device and system for output impedance calibration that invariably maximizes hybrid performance
03/31/2005US20050069054 Method and apparatus for providing channel state information
03/31/2005US20050069042 Information transfer methods
03/31/2005US20050069020 Ultra-wideband communication apparatus and methods
03/31/2005US20050068931 Apparatus and method for transmitting/receiving an uplink pilot signal in a communication system using an Orthogonal Frequency Division Multiple Access scheme
03/31/2005US20050068918 Hierarchical coding with multiple antennas in a wireless communication system
03/31/2005US20050068911 Communication control method and system
03/31/2005US20050068910 Method of optimizing a network
03/30/2005EP1080568B1 Method and apparatus for limiting the amplitude of a transmission signal
03/30/2005CN1602011A Method and apparatus for providing channel state information
03/30/2005CN1195367C Several multiple physical quantity sensor digual bus transmission system
03/29/2005US6873833 Method and apparatus for estimating and controlling initial time slot gain in a wireless communication system
03/29/2005US6873707 Hardware-based encryption/decryption employing cycle stealing
03/29/2005US6873653 Method and apparatus for pre-distortion of an X-DSL line driver
03/29/2005US6873652 Activation of multiple xDSL modems with implicit channel probe
03/29/2005US6873627 System and method for sending packets over a computer network
03/29/2005CA2265954C Method and apparatus for providing control channel communications for an information distribution system
03/24/2005WO2005027549A1 Extension of the sim card interface in gsm devices
03/24/2005WO2005027368A1 Digital data transmitting apparatus
03/24/2005WO2004112289A3 Multi-band-ofdm communications systems
03/24/2005WO2004095765A3 Method and apparatus for estimating and controlling initial time slot gain in a wireless communication system
03/24/2005WO2004088911A3 Communication system, converter for use therein and method of signalling
03/24/2005WO2004077684A3 Communication method, system, and apparatus that combines aspects of cyclic prefix and zero padding techniques
03/24/2005US20050066065 Method and system for providing bidirectional asynchronous communication
03/24/2005US20050063499 Method for the continuous estimation of the equalizer coefficients for wire-bound transmission systems
03/24/2005US20050063457 Signal amplitude and clock signal frequency selection
03/24/2005US20050063345 System and method for embedding OFDM in CDMA systems
03/24/2005US20050063322 Long range handshaking communication system for multiple xDSL