Patents
Patents for H04L 5 - Arrangements affording multiple use of the transmission path (28,368)
07/2004
07/15/2004US20040136341 Antenna method and apparatus
07/15/2004US20040136332 DBMsOL and FBMsOL power spectral density masks
07/15/2004US20040136317 Modulation scheme for fdd/tdd transceivers
07/15/2004DE10361808A1 Input-output circuit for SBD data transmission e.g. for semiconductor modules, includes receiver for simultaneously comparing voltage on transmission line with two different voltages
07/15/2004CA2511911A1 A fully parallel multi-channel demodulator
07/14/2004EP1437870A1 Repeater for interfacing between twisted pair lines
07/14/2004EP1437865A1 High-speed data communications network system and method
07/14/2004EP1437850A1 Method and communication system device for code modulated transmission of information
07/14/2004EP1437843A1 TSTD apparatus and method for a TDD CDMA mobile communication system
07/14/2004CN1513275A Carrier selection method
07/14/2004CN1512704A Duplex link device and method in ether net interface device
07/14/2004CN1512703A Multiple digital user line modem activated by semi duplex and full duplex process
07/14/2004CN1157910C Method for controlling modem and its controller
07/13/2004US6763034 Connection ports for interconnecting modules in an integrated circuit
07/13/2004US6763010 Multiplexing method and transceiver
07/08/2004WO2004057821A2 System and method for communicating digital information using time-and-frequency-bounded base functions
07/08/2004WO2004057783A1 Ofdm transmission/reception apparatus
07/08/2004US20040132414 Method, apparatus and system for multiple signal transmission, reception, and restoration
07/08/2004US20040131130 System and method for multi-band ultra-wide band signal generators
07/08/2004US20040131125 Enhanced wireless packet data communication system, method, and apparatus applicable to both wide area networks and local area networks
07/08/2004US20040131111 Activation of multiple xDSL modems with half duplex and full duplex procedures
07/08/2004US20040131089 Multiplexer
07/08/2004US20040131022 Channel prediction device and method thereof
07/07/2004EP1435750A1 Method and transceiver apparatus for transmitting paging information in orthogonal frequency-division multiplexing systems
07/07/2004EP1435172A1 Method and apparatus for transferring channel information in ofdm communications
07/07/2004EP1435146A1 Adaptive point-to-point microwave radio system
07/07/2004EP1232574A4 Tstd apparatus and method for a tdd cdma mobile communication system
07/07/2004CN1511425A Method and device for controlling dynamic frequency selection within wireless communication system
07/07/2004CN1511382A Synchronisation method for uplink channel in point-to-multipoint communicaiton with OFDM modulation
07/07/2004CN1157016C Base station device and method for suppressing peak current
07/07/2004CN1156996C Radio communication apparatus, radio communication system and method thereof
07/06/2004US6760434 Dual impedance hybrid
07/06/2004US6760368 Fast retraining method, apparatus, and storage medium in an xDSL transceiver
07/06/2004US6760342 Channelizer for a multi-carrier receiver
07/06/2004US6760301 Automatic crossover configuration for serial data links
07/06/2004US6759969 Fiberoptic transceiver system
07/01/2004WO2004056059A1 Modulating a digital signal in a fading frequency band
07/01/2004WO2004056022A2 Apparatus and method for signal constitution for downlink of ofdma-based cellular system
07/01/2004WO2004017911A3 Protease inhibitors
07/01/2004US20040128533 Scrambling system and method for peak power reduction in MC-CDMA, and recording medium for storing corresponding program
07/01/2004US20040125889 RF communications system utilizing digital modulation to transmit and receive data
07/01/2004US20040125768 Resource granting in multi-carrier CDMA systems
07/01/2004CA2510697A1 Modulating a digital signal in a fading frequency band
06/2004
06/30/2004EP1434131A2 Method for controlling terminal equipment
06/30/2004CN1509539A Data communication apparatus and method based on orthogonal frequency deivision multiple access
06/30/2004CN1509525A Automatic gain control system for multi-user OFDM digital transmission system using the electric grid
06/30/2004CN1156126C Decoupling unit of bus system
06/29/2004US6757277 System and method for coding algorithm policy adjustment in telephony-over-LAN networks
06/29/2004US6756926 Optical transmitter and code conversion circuit used therefor
06/29/2004US6756817 Receiver, hybrid circuit, driver circuit, and signal transmission system for bidirectional signal transmission for carrying out such signal transmission in both directions simultaneously
06/29/2004CA2433110C Startup protocol for a communication system
06/24/2004WO2004039114A3 Method for radio system resource management
06/24/2004WO2004032443A8 Channel mapping for ofdm frequency-hopping
06/24/2004WO2004023776A3 Communication arrangement and transmission unit for information transfer by means of at least one transmission line and a circuit arrangement for connection to the transmission unit
06/24/2004US20040120416 Multiplexing method in a multi carrier transmit diversity system
06/24/2004US20040120415 Wireless communication system and method using grouping maximum likelihood detection
06/24/2004US20040120405 Simultaneous bidirectional signal subtraction
06/24/2004US20040120391 Residual echo reduction for a full duplex transceiver
06/24/2004US20040120280 Apparatus and method for a coding scheme selection
06/24/2004US20040120249 Automatic gain control system for multi-user digital OFDM transmission systems over the electric network
06/24/2004US20040119519 Bidirectional input/output cells
06/24/2004US20040119457 Peripheral device receiver detection in a high noise environment
06/23/2004EP1432168A1 Multicarrier CDMA transmission method using Hadamard time-frequency spreading codes, and a transmitter and a receiver for said method
06/23/2004EP1432163A1 Channel inferring device and method
06/23/2004EP1432162A1 Automatic frequency control device for ofdm and method therefor
06/23/2004EP1430677A2 Method and apparatus for data transfer using a time division multiple frequency scheme
06/23/2004CN1507716A DMT system for reducing far end crosstalk
06/23/2004CN1507708A A communication system using OFDM for one direction and DSSS for another direction
06/23/2004CN1507166A Starting of multi-xDSL modulator-demodulator with hidden channel probe
06/23/2004CN1507165A Starting of multiplex xDSL modulator-demodulator with hidden channel probe
06/23/2004CN1155230C System for transmitting digital information and digital signal receiver for receiving RF
06/23/2004CN1155163C Transmission system for non-linear transmission medium
06/22/2004USRE38539 Data communication and radio system
06/22/2004US6754288 Line receiver with improved dynamic range
06/22/2004US6754286 Transmit diversity method and system
06/22/2004US6754284 Method and apparatus for minima enlargement
06/22/2004US6754186 DSL active modem detection
06/17/2004WO2004051952A1 Amplitude peak cancellation
06/17/2004WO2004051900A1 Orthogonal frequency multi-carrier transmission device and transmission method
06/17/2004US20040116160 Simultaneous bidirectional differential signalling interface
06/17/2004US20040116125 Channel switching for support of multimedia broadcast and multicast services
06/17/2004US20040116077 Transmitter device and receiver device adopting space time transmit diversity multicarrier CDMA, and wireless communication system with the transmitter device and the receiver device
06/17/2004US20040114694 Method and apparatus for AM digital audio broadcasting with amplitude scaled tertiary subcarriers
06/17/2004US20040114691 Data communication apparatus and method based on orthogonal frequency division multiple access
06/17/2004US20040114678 Method and system for reducing interferences due to handshake tones
06/17/2004US20040114677 Method and system for reducing interferences due to handshake tones
06/17/2004US20040114671 Ofdm transmitter and ofdm transmitting method
06/17/2004US20040114551 Process for synchronization in the downstream of multipe users in a point multipoint system with OFDM modulation
06/17/2004US20040114504 Apparatus and method for generating a preamble sequence in an OFDM communication system
06/17/2004US20040114450 Constellation mapping apparatus and method
06/16/2004EP1428343A1 Method and communication system device for the generation or processing of ofdm symbols in a transmission system with spread user data
06/16/2004EP0796529B1 Orthogonal code division multiple access communication system having multicarrier modulation
06/16/2004CN1505878A Ofdm transmitter and OFDM transmitting method
06/16/2004CN1505351A Single-carrier receiver having a channel equalizer and a channel equalization method therefor
06/16/2004CN1154343C Frame-synchronizing device and method thereof
06/16/2004CN1154289C Time division duplexed high speed data transmission system and method
06/16/2004CN1154265C System, apparatus and method for multi-carrier transmission
06/16/2004CN1154248C Transceiver and telecommunication system having transceiver
06/15/2004US6751444 Method and apparatus for adaptive carrier allocation and power control in multi-carrier communication systems
06/15/2004US6751271 Detecting a carrier signal by using a power averaging circuit