Patents
Patents for H04L 5 - Arrangements affording multiple use of the transmission path (28,368)
07/2005
07/13/2005EP1553732A2 Method and arrangement for starting a node in a communication system
07/13/2005EP1553714A1 Communicating method, transmitting device using the same, and receiving device using the same
07/13/2005EP1552625A1 Beam-steering and beam-forming for wideband mimo/miso systems
07/13/2005EP1552391A1 Method and apparatus for antenna selection using channel response information in a multi-carrier system
07/13/2005CN1640033A Systems and methods for high rate OFDM communications
07/13/2005CN1638370A Cell search method for orthogonal frequency division multiplexing based cellular communication system
07/13/2005CN1638324A Radio communication system, transmitter, receiver and radio communicating method
07/13/2005CN1638315A Rate matching method and apparatus for multiplexing channels having different transmission time intervals
07/13/2005CN1210990C Preamble transmission method, mobile station and mobile communication system
07/12/2005US6917647 Activation of multiple xDSL modems with power control measurement
07/12/2005US6917559 Constellation mapping apparatus and method
07/07/2005WO2005062518A1 System and method for channelization recognition in a wideband communication system
07/07/2005WO2005062517A1 Method and transmitter for communicating ultra wide bandwidth signals using orthogonal frequency division multiplexing modulation
07/07/2005WO2005062510A1 Wireless communication system, wireless communication apparatus, and resource assignment method used therein
07/07/2005WO2005062469A1 Noise-tolerant signaling schemes supporting simplified timing and data recovery
07/07/2005WO2005060710A2 Wireless display tag unit
07/07/2005WO2005060702A2 Rf backscatter transmission with zero dc power consumption
07/07/2005WO2005060701A2 Wireless display tag (wdt) using active and backscatter transceivers
07/07/2005WO2005060699A2 Error free method for wireless display tag (wdt) initialization
07/07/2005WO2005060360A2 Method for constituting layered cell in ofdma system
07/07/2005WO2005060357A2 Wireless internet terminal and packet transmission method for improving quality of service
07/07/2005US20050147224 Use of modem on hold for network management and telephone access
07/07/2005US20050147223 Using modems to place modem connections on hold and to maintain upper layer network connection
07/07/2005US20050147158 Method and apparatus for automatic selection and operation of a subscriber line spectrum class technology
07/07/2005US20050147079 Systems and methods for implementing an open loop architecture in a wireless communication network
07/07/2005US20050147024 Communication method in an FH-OFDM cellular system
07/07/2005US20050146358 Avoiding oscillation in self-synchronous bi-directional communication system
07/07/2005DE19647833B4 Verfahren zur gleichzeitigen Funkübertragung digitaler Daten zwischen mehreren Teilnehmerstationen und einer Basisstation Process for the simultaneous wireless transmission of digital data between a plurality of subscriber stations and a base station
07/07/2005DE10358248A1 Method for starting up a communication system node e.g. for automobile field, requires transmission of message in frame assigned a time-slot comprising a start-up
07/06/2005EP1551115A1 Transmission power control method for ofdm-cdma system and transmission power controller
07/06/2005EP1550278A1 Channel mapping for ofdm frequency-hopping
07/06/2005EP0758506A4 An improved modem to support multiple site call conferenced data communications
07/06/2005CN1636348A Method for the continuous estimation of the equalizer coefficients for wire-bound transmission systems
07/06/2005CN1636346A Resource allocation for MIMO-OFDM communication systems
07/06/2005CN1635729A Method for transmitting reply signal by using public channel
07/05/2005US6914952 Superframe alignment to a pre-existing ADSL data exchange
07/05/2005US6914941 Method and system for increasing bandwidth capacity utilization
07/05/2005US6914909 Method to divide upstream timeslots in a time division multiple access system, related line terminator and related network terminator
07/05/2005US6914539 System and method for a low rate, in-band broadcast communication for medical telemetry
06/2005
06/30/2005WO2005060300A1 Wireless system comprising a first station and a second station system
06/30/2005WO2005060298A1 Method and apparatus for allocating a pilot signal adapted to the channel characteristics
06/30/2005WO2005060194A1 Wireless multicarrier system with subcarriers reserved for communication between unsynchronized nodes
06/30/2005WO2005060133A1 Circuit and method for synchronizing clock pulses
06/30/2005WO2005060124A1 Interference-weighted communication signal processing systems and methods
06/30/2005WO2005060107A1 A decoder
06/30/2005US20050144272 Non-intrusive modem performance analysis
06/30/2005US20050141660 Symbol timing recovery and broadcast receiver using the same
06/30/2005US20050141629 Hdtv trellis decoder architecture
06/30/2005US20050141627 Method to create hierarchical modulation in OFDM
06/30/2005US20050141626 Uplink channel estimation system for orthogonal frequency division multiple access system and method thereof
06/30/2005US20050141598 Method and apparatus for estimating a SIR of a pilot channel in a MC-CDMA system
06/30/2005US20050141474 Uplink ranging system and method in OFDMA system
06/30/2005US20050141473 Adaptive downlink packet transmission method in multicarrier CDMA system
06/30/2005DE10354494A1 Computer tomography installation data and signal transmission procedure uses minimised packet lengths to combine digitised analogue signal and digital data
06/30/2005DE10030743B4 Autonomes Gerät und Verfahren zur Steuerung einer asynchronen Anschlussstellenschaltung durch ein solches Gerät Autonomous device and method for controlling an asynchronous connection circuit by such a device
06/29/2005EP1548991A2 Transforming bus connection
06/29/2005EP1548975A2 Burst communications apparatus and method using tapped delay lines
06/29/2005EP1548974A2 Radio communication system, transmitter, receiver and radio communicating method
06/29/2005EP1548969A2 Control and monitoring of a telecommunication system, and method of setting a modulation method
06/29/2005CN1633769A Radio transmission apparatus, radio reception apparatus, and radio transmission method
06/29/2005CN1633059A A method for implementing data information transmission on time clock signal line
06/29/2005CN1208964C Communication system
06/28/2005US6912276 Modem on hold
06/28/2005US6912261 Frame synchronization in multicarrier transmission systems
06/28/2005US6912194 Digital communication transmission techniques
06/28/2005CA2406234C Hybrid arq method with signal constellation rearrangement
06/23/2005WO2005057839A1 Signaling and coding methods and apparatus for long-range 10 and 100 mbps ethernet transmission
06/23/2005WO2005057824A2 Direct-sequence cdma method and device
06/23/2005WO2005057822A1 System and method for transmitting random access data using orthogonal frequency division multiple access
06/23/2005WO2005057805A1 Simultaneous bidirectional differential signalling interface
06/23/2005WO2005057797A2 Multicarrier orthogonal spread-spectrum (moss) data communications
06/23/2005US20050136934 Cellular radiotelephone signal with additional channel assigned to downlink, corresponding method, system, mobile and base station
06/23/2005US20050136868 UWB transmitting and receiving device for removing an unnecessary carrier component in a transmission signal spectrum
06/23/2005US20050135529 Burst communications apparatus and method using tapped delay lines
06/23/2005US20050135515 Method and apparatus for estimating and controlling initial time slot gain in a wireless communication system
06/23/2005US20050135512 Method and apparatus for frequency tracking based on recovered data
06/23/2005US20050135507 Apparatus and method for demodulation using detection of channel adaptive modulation scheme
06/23/2005US20050135504 Method and apparatus for wireless data transfer
06/23/2005US20050135492 Interference-weighted communication signal processing systems and methods
06/23/2005US20050135489 Noise-tolerant signaling schemes supporting simplified timing and data recovery
06/23/2005US20050135460 Method and apparatus for estimating a SIR of a pilot channel in a MC-CDMA system
06/23/2005US20050135459 Extending orthogonal frequency division multiplexed wireless local area networks using direct sequence spread spectrum/complementary code keying
06/23/2005US20050135457 Ultra wide bandwidth transmitter with tone grouping and spreading
06/23/2005US20050135413 Signaling and coding methods and apparatus for long-range 10 and 100 MBPS Ethernet transmission
06/23/2005US20050135230 Apparatus and method for processing ranging channel in orthogonal frequency division multiple access system
06/23/2005CA2548287A1 Multicarrier orthogonal spread-spectrum (moss) data communications
06/22/2005EP1545039A1 Method for interpreting transmitted symbols involving a list sphere radius tuning step
06/22/2005EP1545037A1 Point-to-point microwave radio system
06/22/2005EP1543686A1 Maximizing allowable flexible slot-to-cell allocation by using adaptive antennas in a tdd system
06/22/2005EP0700602B1 Method for communicating over a twisted pair line
06/22/2005CN1630993A Method and apparatus for spread spectrum radio signal recovery in wideband spread spectrum communication systems
06/22/2005CN1630380A Transmission method of uplink signaling for uplink channel enhancement in high speed CDMA system
06/22/2005CN1630379A Transmission method of uplink signaling for uplink channel enhancement in low speed CDMA system
06/21/2005US6909740 Modem apparatus, communication control apparatus, communication terminal apparatus and communication control method
06/21/2005US6909307 Bidirectional bus driver and bidirectional bus circuit
06/16/2005WO2005055509A1 Method for operating a transmitting station in a radio communications system and transmitter device
06/16/2005WO2004059897A3 Frequency hopping method in orthogonal frequency division multiplexing system
06/16/2005US20050130684 Method for assigning channels based on spatial division multiplexing in an orthogonal frequency division multiplexing system with multiple antennas
06/16/2005US20050129103 Activation of multiple xDSL modems with implicit channel probe
06/16/2005US20050129102 Cellular radio communication system cellular radio communication method and rake reception method