Patents for H04L 25 - Baseband systems (55,083)
04/2007
04/04/2007CN1943194A Calibration of downlink and uplink channel responses in a wireless MIMO communication system
04/04/2007CN1943156A Transmit diversity and spatial spreading for an ofdm-based multi-antenna communication system
04/04/2007CN1943155A Apparatus and method for providing transmitting sequence estimation
04/04/2007CN1943151A Channel estimation apparatus and method for ofdm/ofdma receiver
04/04/2007CN1943127A Reconfigurable pulse detector in wireless communications system
04/04/2007CN1941759A Method for balancing orthogonal frequency division multiplexing signals
04/04/2007CN1941758A Modem and a method for controlling the same
04/04/2007CN1941757A Programmable digital gain circuit and corresponding method
04/04/2007CN1941756A Multiple-limb balancer processing module and method of RF pulse string of balanced reception
04/04/2007CN1941755A Transmit/receiver and method based on multiple sub-band filter group
04/04/2007CN1941754A Method for evaluating channel based on time-frequency two-dimensional descending sampler
04/04/2007CN1941651A Device for converting complex-valued passband signal into a digital baseband signal
04/04/2007CN1941139A Signal processing apparatus, signal processing method and storage system
04/04/2007CN1941138A Signal processing apparatus, signal processing method and storage system
04/04/2007CN1941137A Signal processing apparatus, signal processing method and storage system
04/04/2007CN1941136A Signal processing apparatus, signal processing method and storage system
04/04/2007CN1309254C Repetitive-PN1023-sequence echo-cancellation reference signal for single-carrier digital television broadcast systems
04/04/2007CN1309231C Method and apparatus for transmitting data in time division duplex system
04/04/2007CN1309204C Channel estimation method and apparatus for multi-carrier CDMA radio transmitting system
04/04/2007CN1309184C Radio receiver, radio transmitter and impedance control method
04/04/2007CN1309183C Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel inversion
04/04/2007CN1307938C Device and system for in vivo imaging
04/03/2007US7200821 Receiver and method for mitigating temporary logic transitions
04/03/2007US7200631 Method and apparatus for determining an inverse square root of a given positive-definite hermitian matrix
04/03/2007US7200194 Receiver signal dynamic range compensation based on received signal strength indicator
04/03/2007US7200192 Method and apparatus for decoding orthogonal codes
04/03/2007US7200180 Data transceiver with filtering and precoding
04/03/2007US7200173 Method and apparatus for generating a distortionless pulse width modulated waveform
04/03/2007US7200172 Method and apparatus for determining components of a channel impulse response for use in a SAIC equalizer
04/03/2007US7200167 Direct digital access arrangement circuitry and method for connecting to phone lines
04/03/2007US7200156 Modular broadband adapter system
04/03/2007US7199615 High speed signaling system with adaptive transmit pre-emphasis and reflection cancellation
03/2007
03/29/2007WO2007035550A1 Fractionally-spaced equalizers for spread spectrum wireless communication
03/29/2007WO2007034726A1 Radio apparatus
03/29/2007WO2007034725A1 Radio apparatus
03/29/2007WO2007033895A1 Receiver and method for decoding and equalising a received data sequence
03/29/2007WO2007014381A3 Phase mapping for qpsk/qbl-msk waveform
03/29/2007US20070072552 Determination of a channel estimate of a transmission channel
03/29/2007US20070071144 AC coupling bandwidth switch
03/29/2007US20070071131 Switched phase receiver for a long range RFID system
03/29/2007US20070071130 Signal transmission system using PRD method, receiver circuit for use in the signal transmission system, and semiconductor memory device to which the signal transmission system is applied
03/29/2007US20070071128 Method for automatic control of rf level of a repeater
03/29/2007US20070071117 Communication method, transmission signal forming method, and data structure of transmission signal
03/29/2007US20070071114 Enhanced wireless packet data communication system, method, and apparatus applicable to both wide area networks and local area networks
03/29/2007US20070071113 Input and output driver circuits for differential signal transfer, and differential signal transfer apparatus and methods
03/29/2007US20070071112 Active EMI suppression circuit
03/29/2007US20070071111 Link transmitter with reduced power consumption
03/29/2007US20070071110 Digital television transmitter and method of coding data in digital television transmitter
03/29/2007US20070071084 Programmable digital equalization control circuitry and methods
03/29/2007US20070071032 Adaptive-allocation of i/o bandwidth using a configurable interconnect topology
03/29/2007US20070070733 Circuit and method for outputting aligned strobe signal and parallel data signal
03/29/2007DE10064257B4 Schaltungsanordnung und Verfahren zur Übertragung von Daten Circuit arrangement and method for transmitting data
03/28/2007EP1768298A1 Apparatus and method for inserting synchronization headers into serial data communication streams
03/28/2007EP1768290A1 Radio communication device
03/28/2007EP1768288A1 Demodulation device, diversity reception device, and demodulation method
03/28/2007EP1768270A1 Data transmission over power supply line
03/28/2007EP1766914A1 Multi-modulation reception method based on demodulation of signals from modulations whose symbols are included in a main constellation
03/28/2007EP1766911A1 Discrete universal denoising with reliability information
03/28/2007EP1766910A1 Equalizers for multi-branch receiver
03/28/2007EP1766909A1 High doppler channel estimation for ofd multiple antenna systems
03/28/2007EP1766908A1 Receiver for a differential data bus
03/28/2007EP1766907A1 Apparatus for receiving a differential signal using a differential amplifier
03/28/2007EP1766837A1 Time synchronization using spectral estimation in a communication system
03/28/2007EP1766825A2 System and method for differential iq delay compensation in a communications system utilizing adaptive aqm compensation
03/28/2007EP1766800A2 Joint signal demodulation in a low and high data rate channel environment
03/28/2007EP1766791A2 Interference canceller with fast phase adaptation
03/28/2007EP1766777A2 Improved integrated circuit implementation for power and area efficient adaptive equalization
03/28/2007EP1766776A2 Power and area efficient adaptive equalization
03/28/2007EP1690362B1 Method for operating a transmitting station in a radio communications system and transmitter device
03/28/2007CN2884711Y Device of controlling coefficient updating in multi-pass preventing system
03/28/2007CN1939103A Magnetically differential input
03/28/2007CN1939022A 网络系统 Network Systems
03/28/2007CN1939020A 通信系统 Communications systems
03/28/2007CN1939019A Methods and apparatus for generating and processing wideband signals having reduced discrete power spectral density components
03/28/2007CN1939018A Channel estimation for a wireless communication system with multiple parallel data streams
03/28/2007CN1939017A Time filtering for excess delay mitigation in OFDM systems
03/28/2007CN1939016A Channel estimation for a communication system using spectral estimation
03/28/2007CN1938962A Systems and methods for communication
03/28/2007CN1938939A Transmitter predistortion circuit and method therefor
03/28/2007CN1937810A Communication apparatus and display method
03/28/2007CN1937607A Quick, high-precision doppler frequency deviation estimating method
03/28/2007CN1937600A Equalizer and equalizing method
03/28/2007CN1937598A Channel estimation method in orthogonal frequency-division multiplexing system and channel estimation device
03/28/2007CN1937582A Method for preprocessing data to be compressed and compressed data transmission method
03/28/2007CN1937578A Access business service quality control device and method
03/28/2007CN1937479A Low density odd-even check coding control method, system and terminal device
03/28/2007CN1937463A Shift sequence detecting method for CDMA system
03/28/2007CN1937458A Apparatus and method for characterizing pulsed optical signals
03/28/2007CN1937444A Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel inversion
03/28/2007CN1936606A Apparatus for measuring entrance phase position of Tokamak low-noise-wave antenna array and phase-appraising method
03/28/2007CN1307816C DMT system for reducing far end crosstalk
03/28/2007CN1307504C Deformity adjusting circuit
03/27/2007US7197685 Robust signal transmission in digital television broadcasting
03/27/2007US7197282 Mobile station loop-back signal processing
03/27/2007US7197100 High-speed interconnection adapter having automated lane de-skew
03/27/2007US7197099 Delay circuit with timing adjustment function
03/27/2007US7197098 High-speed serial data recovery
03/27/2007US7197097 Apparatus and method for re-synchronization of transmitted serial signal of data frame and idle pattern
03/27/2007US7197094 Symbol-based decision feedback equalizer (DFE) with maximum likelihood sequence estimation for wireless receivers under multipath channels
03/27/2007US7197092 Amplitude-offset invariant template detection for pulse position estimation; methods, systems and program products