Patents for H04L 25 - Baseband systems (55,083)
01/2005
01/26/2005EP1499996A1 Filter structure for iterative signal processing
01/26/2005EP1386457B1 A two stage equalizer for trellis coded systems
01/26/2005EP1129555B1 Method and apparatus for determining properties of a signal transmission channel
01/26/2005CN1572097A Mixed waveform configuration for wireless communications
01/26/2005CN1572061A Intelligent control system and method for a wireless communications system
01/26/2005CN1572060A System and method for reducing the peak power in multi-carrier modulation
01/26/2005CN1571534A An adjusting apparatus and method for send-receive channel of wireless communication system
01/26/2005CN1571413A A method and coder for baseband channel NRZ code stream to unipolar code stream conversion
01/26/2005CN1571412A A baseband data transmission apparatus and frame synchronization method thereof
01/26/2005CN1571325A Channel estimation method suitable for GSM and enhanced data rate for GSM evolution (EDGE)
01/26/2005CN1186896C Receiving device and receiving method
01/26/2005CN1186888C Method and apparatus for reducing amplitude variations and interference in communication signals, e.g. employing inserted pilot symbol in wireless communication
01/26/2005CN1186885C 差分线路驱动器 Differential Line Driver
01/26/2005CN1186610C Eye mask for measuring of distortion in optical transmission
01/25/2005US6848018 Method employed by a base station for transferring data
01/25/2005US6847815 Method for detecting, on a telecommunication network side, the complexity, on the telecommunication network side, of a telecommunication link between two subscribers in order to determine the rate, and device for realising the same
01/25/2005US6847690 Determinant-based synchronization techniques and systems
01/25/2005US6847689 Method for distinguishing signals from one another, and filter
01/25/2005US6847688 Automatic frequency control systems and methods for joint demodulation
01/25/2005US6847616 Reception apparatus for estimating the state of a transmission channel using a known signal
01/25/2005US6847615 Baud rate detection in serial data transmission
01/25/2005US6847614 Apparatus and method for unilateral topology discovery in network management
01/25/2005US6847312 Symmetric line coding
01/25/2005US6847267 Methods for transmitting a waveform having a controllable attenuation and propagation velocity
01/25/2005US6847232 Interchangeable CML/LVDS data transmission circuit
01/25/2005US6847225 CML (current mode logic) OCD (off chip driver)—ODT (on die termination) circuit for bidirectional data transmission
01/20/2005WO2005006749A1 Digital broadcast transmission system of improved receptability and signal processing method thereof
01/20/2005WO2005006701A1 Method and apparatus for communicating symbols in a multiple input multiple output communication system using interleaved subcarriers across a plurality of antennas
01/20/2005WO2005006700A1 Methods and apparatus for backwards compatible communication in a multiple antenna communication system using time orthogonal symbols
01/20/2005WO2005006699A1 Methods and apparatus for backwards compatible communication in a multiple antenna communication system using fdm-based preamble structures
01/20/2005WO2005006692A1 Adaptive equaliser apparatus and method
01/20/2005WO2005006691A1 Low power differential link interface methods and apparatuses
01/20/2005WO2005006689A1 Continuously variable rate asynchronous data transfer
01/20/2005WO2005006619A1 Apparatus, and associated method, for communication system exhibiting time-varying communication conditions
01/20/2005WO2005006588A2 Methods and apparatus for backwards compatible communication in a multiple input multiple output communication system with lower order receivers
01/20/2005WO2005006574A2 Method, apparatus and system for use in determining pilot-to-data power ratio in wireless communication
01/20/2005WO2005006552A1 Data transmission method, data transmission circuit, output circuit, input circuit, semiconductor device, and electronic device
01/20/2005WO2005006453A1 Circuit and method for pipelined insertion
01/20/2005WO2004100567A3 Circuits and methods for fast-settling signal alignment and dc offset removal
01/20/2005WO2004080020A3 Methods and apparatus for reducing discrete power spectral density components of signals transmitted in wideband communication systems
01/20/2005WO2003058266A3 Adaptive digital beamformer coefficient processor for satellite signal interference reduction
01/20/2005US20050015473 Dynamically-and continuously-variable rate, asynchronous data transfer
01/20/2005US20050014464 Method and system for wireless communication networks using relaying
01/20/2005US20050013450 Waveform equalizer
01/20/2005US20050013392 Radio signal receiving method and radio signal receiver
01/20/2005US20050013390 Hybrid UWB receiver with matched filters and pulse correlator
01/20/2005US20050013348 Sub-optimal iterative receiver method and system for a high-bit-rate cdma transmission system
01/20/2005US20050013310 Apparatus and method for unilateral topology discovery in network management
01/20/2005US20050012865 Parallel structure NTSC rejection filter and filtering method
01/20/2005US20050012534 Differential coder for electrical signals
01/20/2005US20050012533 Semiconductor integrated circuit device
01/20/2005US20050011389 Dynamic baselining in current modulation-based communication
01/20/2005CA2530021A1 Apparatus, and associated method, for communication system exhibiting time-varying communication conditions
01/19/2005EP1499059A1 Method and device for determining the link quality in an OFDM network
01/19/2005EP1499056A1 Method and apparatus for transmitting signals in a multi-antenna mobile communications system that compensates for channel variations
01/19/2005EP1499055A2 Multi-band single-carrier modulation
01/19/2005EP1499046A2 Precision timing generator system and method
01/19/2005EP1499042A1 Differential encoder for electrical signals
01/19/2005EP1499031A2 Method for ultra wideband communication using frequency band modulation, and system for the same
01/19/2005EP1497962A1 Method and device for pulse shaping qpsk signals
01/19/2005EP1497954A1 Method and device for padding data segments with a fill pattern and subsequent overwriting with information, in addition to corresponding bus system
01/19/2005EP1497941A1 Method and apparatus for determining an upper data rate for a variable data rate signal
01/19/2005EP1497916A1 Decision feedback equalizer
01/19/2005EP1497750A2 Efficient implementation of a multidimensional fast fourier transform on adistributed-memory parallel multi-node computer
01/19/2005EP1232621B1 Center of gravity control for hierarchical qam transmission systems
01/19/2005EP0925671B1 Data transmission method
01/19/2005CN1568629A Method for enabling subscriber entity to actively communicate in a communication network
01/19/2005CN1568599A Methods and apparatus for identifying asset location in communication networks
01/19/2005CN1568594A OFDM receiving apparatus and OFDM signal correction method
01/19/2005CN1568586A Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel inversion
01/19/2005CN1567909A Apparatus for generating addictive white Gaussian noise
01/19/2005CN1567796A A multi-user detecting method in CDMA communication system
01/19/2005CN1567774A Double weighting parallel interference cancellation method under multibeam and related receiving device
01/19/2005CN1567762A A channel estimation method adapted for OFDMA system
01/19/2005CN1567739A High frequency network communications over various lines
01/19/2005CN1567668A A thermal protection method
01/19/2005CN1185838C Method for receiving signal and receiver
01/19/2005CN1185823C 输出缓冲器电路 The output buffer circuit
01/18/2005US6845134 Arrangement for receiving a digital signal from a transmission medium
01/18/2005US6845133 Method and device for processing signals of a digital transmission system
01/18/2005US6845132 Efficient, dynamically adaptive bias architecture and associated methods
01/18/2005US6845131 Differential signaling power management
01/13/2005WO2005004369A2 Methods and systems for determining an optimal training interval in a communications system
01/13/2005WO2005004358A1 Optical duobinary transmitter and method
01/13/2005WO2005004338A2 Reduced complexity sliding window based equalizer
01/13/2005WO2005004328A1 Apparatus, system and method for receiver equalization
01/13/2005US20050010745 Dynamic field patchable microarchitecture
01/13/2005US20050009544 Method for efficient equalization in a telecommunication system including at least one mobile transceiver
01/13/2005US20050009492 Device and method for receiving radio signals
01/13/2005US20050009486 Finite-length equalization overmulti-input multi-output channels
01/13/2005US20050008105 Dynamic regulation of power consumption of a high-speed communication system
01/13/2005US20050008091 Sphere decoding of symbols transmitted in a telecommunication system
01/13/2005US20050008086 Receiver and method for digital multi carrier transmission
01/13/2005US20050008085 Transmitting and receiving apparatus and method in an Orthogonal Frequency Division Multiplexing system using an insufficient cyclic prefix
01/13/2005US20050008084 Apparatus and method for direct measurement of channel state for coded orthogonal frequency division multiplexing receiver
01/13/2005US20050008080 Two-wire type data communication method and system, controller and data recording apparatus
01/13/2005US20050008068 Adsl pre-qualification method comprising echo-canceller optimisation with maximum selectivity
01/13/2005US20050008041 Apparatus and method for transmitting a DS3 signal over multiple twisted pair conductors
01/13/2005US20050008036 Multi-port network interface circuit and related method for scrambling codes of different ports with different seeds and resetting signal transmission of different ports at different times
01/13/2005US20050007983 System and method for channel estimation in an OFDM mobile communication system