Patents
Patents for H04L 5 - Arrangements affording multiple use of the transmission path (28,368)
01/2002
01/15/2002US6339598 Method of operating a digital transmission link time-shared by a plurality of units and unit for implementing the method
01/10/2002WO2002003556A2 Method and apparatus for channel gain and channel delay estimation in a multi-carrier cdma system
01/10/2002WO2001048969A3 Multiuser ofdm or dmt communications system for users transmitting at different data rates
01/10/2002US20020003843 Method and apparatus for high data rate wireless communications over wavefield spaces
01/10/2002US20020003782 Code power measurement for dynamic channel allocation
01/10/2002US20020003773 OFDM transmission device and OFDM transmission method
01/09/2002EP1170974A1 Base station device, communication terminal, and communication method
01/09/2002EP1170913A2 Bus transceiver
01/09/2002EP1169821A1 Apparatus and method for coupling analog subscriber lines in a home network
01/09/2002EP0700602A4 Method and apparatus for interfacing between a twisted pair and an intelligent cell
01/08/2002US6337884 Circuitry for allowing two drivers to communicate with two receivers using one transmission line
01/08/2002US6337877 Method and apparatus for scaling modem transfer capacity in a multi-channel communications system
01/08/2002US6337855 Method, transmitter and receiver for transmitting training signals in a TDMA transmission system
01/08/2002CA2085890C System and method for generating signal waveforms in a cdma cellular telephone system
01/03/2002WO2002001725A1 Optical transmitter and code converting circuit used therefor
01/03/2002WO2001076166A3 Bidirectional transmission over a single optical fiber using different codes for upstream and downstream
01/03/2002WO2001073954A3 Asymmetric digital subscriber line methods suitable for long subscriber loops
01/03/2002WO2001033811A3 Background communication using shadow of audio signal
01/03/2002US20020001340 Asymmetric digital subscriber line methods suitable for long subscriber loops
01/03/2002US20020001316 Modulation methods and structures for wireless communication systems and transceivers
01/03/2002DE10029493A1 Verfahren und Schaltungsanordnung zur Übertragung von Signalen bidirektionaler Signalverbindungen Method and circuit for transmitting signals bidirectional signal connections
01/02/2002EP1168865A1 Wcdma mobile device of transmissible multi-channel sounds
01/02/2002EP1168646A2 A channelizer for a multi-carrier receiver
01/02/2002EP1168640A2 Architecture for multi-carrier receiver
01/02/2002EP1166518A1 Correction of phase and amplitude imbalance of i/q modulator
01/02/2002EP1166499A1 Method and system for enabling a remote communication station to engage multiple communication stations
01/02/2002EP0972370B1 Method and transmitter device for transmitting data symbols from user signals via a radio interface or a mobile communication system
01/02/2002EP0857388A4 Broadband, low power fm/fsk transceiver for wireless communications systems
01/02/2002CN1329406A Orthogonal frequency division multiplex modem circuit
01/01/2002USRE37494 Transfer of messages in a multiplexed system
01/01/2002US6336201 Synchronization in a communications system with multicarrier telephony transport
01/01/2002US6335766 System and method for transmitting advanced television signals
01/01/2002US6335658 Demodulation circuit
12/2001
12/27/2001WO2001099366A1 Device for narrow-band communication in a multi-carrier system
12/27/2001WO2000079723A8 Digital impairment learning sequence
12/27/2001US20010055331 Multi-pair gigabit ethernet transceiver
12/27/2001US20010055294 CDMA communication system capable of flexibly assigning spreading codes to a channel in accordance with traffic
12/26/2001CN1328732A Reduced complexity and increased flexibility modified fast convolution algorithm
12/26/2001CN1076915C Wideband movable CDMA equipment capable of transmitting multichannel sound
12/25/2001US6334219 Channel selection for a hybrid fiber coax network
12/25/2001US6334217 Channel selecting method and apparatus
12/25/2001US6334060 Multi-channel or split-frequency, low frequency, telemetry circuit and method between transmitters and receivers
12/25/2001US6333920 Frequency division duplexing system which accommodates symmetric and asymmetric channels
12/25/2001CA2194394C Control symbol and data symbol guard intervals with different time lengths in cofdm transmission frames
12/23/2001CA2351242A1 Subscriber loop range extension using negative-impedance repeaters
12/20/2001WO2001097474A2 Adaptive precoding
12/20/2001WO2001097394A1 Apparatus and method for encoding and decoding tfci in a mobile communication system
12/20/2001WO2001067617A3 Method and apparatus for computing soft decision input metrics to a turbo decoder
12/20/2001WO2001037534A3 Automatic data rate selection in dsl modems
12/20/2001US20010054063 User dependent control of the transmission of image and sound data in a client-server system
12/20/2001US20010053710 Remote wireless unit having reduced power operating mode for a discrete multitone spread spectrum communications system
12/20/2001US20010053136 Device for narrow-band communication in a multi-carrier system
12/20/2001US20010053124 Orthogonal frequency division multiplex modem circuit
12/20/2001DE10040784A1 Apparatus for testing devices for transmitting and receiving data via communication network has circuit for inverting at least one bit after predetermined number of bits
12/19/2001EP1164807A2 Radio communication system, radio base-station apparatus, mobile radio-station apparatus, radio-zone assignment method, and radio communication method
12/19/2001EP1164741A2 Method and apparatus for the transmission of signals of a bidirectional connection
12/19/2001EP1164740A2 Arrangement for multicarrier modulation and multiplexing
12/19/2001EP1164733A1 Channel constructing method and base station using the method
12/19/2001EP1163729A1 Bus driver with data dependent drive strength control logic
12/19/2001EP0689743B1 Bus transceiver with binary data transmission mode and ternary control transmission mode
12/19/2001CN1327658A Communication method and communication device
12/19/2001CN1076555C Multi-circuits device with bus connecting plurality low speed interface circuit
12/18/2001US6332004 Analog discrete-time filtering for unshielded twisted pair data communication
12/18/2001US6331974 Chaotic digital code-division multiple access (CDMA) communication systems
12/18/2001CA2011815C Method and apparatus for maximizing the transmission capacity of a multi-channel bidirectional communications link
12/15/2001CA2350344A1 A low power transceiver
12/13/2001WO2001052516A3 Diagnostic methods and systems for multicarrier modems
12/13/2001WO2001031871A3 Automatic adaptation of data rate to the processing power in digital multimode transceivers
12/13/2001WO2001010108A3 Method and system for connecting multiple dsl modems to a telephone line
12/13/2001US20010050966 Signal transformation method and apparatus
12/13/2001US20010050960 Multi-carrier communication system with sample rate pilot carrier and time division duplexing frame rate pilot carrier
12/13/2001US20010050947 Delay compensation
12/13/2001US20010050905 Device and method for switching transmission direction
12/12/2001EP1162777A1 Multi-carrier comunication system with sample rate pilot carrier and time division duplexing frame rate pilot carrier
12/11/2001US6330289 System for improving base station amplifier performance
12/11/2001US6330278 Dynamic adaptive modulation negotiation for point-to-point terrestrial links
12/11/2001US6330248 Arrangement for transmitting data packets from a media access controller across multiple physical links
12/11/2001US6330241 Multi-point to point communication system with remote unit burst identification
12/11/2001US6330230 Data transmission method
12/11/2001US6329843 Output driver with current compensation circuit for variation of common mode voltage
12/11/2001CA2225241C Mobile communication system
12/11/2001CA2158305C Method and apparatus for direct communication in a tdma radio communication system
12/07/2001CA2349986A1 Multi-carrier communication system with sample rate pilot carrier and time division duplexing frame rate pilot carrier
12/06/2001WO2001093450A1 Two-way data communicating method
12/06/2001US20010048679 Housing for connection to both broadband and narrowband networks as a shelf in a telecommunications rack
12/06/2001US20010048667 Fast retrain based on communication profiles for a digital modem
12/05/2001EP1161026A2 Method of communication for two partners who are linked by a point to point connection
12/05/2001EP1161016A2 Digital radio receiver
12/04/2001US6327311 Frequency diverse single carrier modulation for robust communication over in-premises wiring
12/04/2001US6327309 Bidirection channels using common pins for transmit and receive paths
12/04/2001US6327265 Accelerated multi-format communication using a prefix to identify the transmitter format
11/2001
11/29/2001WO2001091442A2 Multimode modem with automatic negotiation of operational mode
11/29/2001US20010046266 Apparatus and method for scdma digital data transmission using orthogonal codes and head end modem with no tracking loops
11/29/2001US20010046259 System and method for implementing an end-to-end error-correcting protocol in a voice band data relay system
11/28/2001EP1158713A2 Optical waveform for use in a DWDM optical network and systems for generating and processing same
11/28/2001EP1158709A1 Signal format in multi-carrier cdma transmission system
11/28/2001EP1158708A1 Path search method, channel estimating method and communications device
11/28/2001EP1157498A1 Digital modem echo canceler enhancement
11/28/2001EP0960409B1 Method for transmitting data during pulse intervals of a speed signal, and circuit for carrying out said method
11/28/2001CN1324159A Multiple carrier CDMA radio transmitting method and device