Patents for H04L 25 - Baseband systems (55,083)
06/2004
06/29/2004CA2058450C Treillis precoding for fractional bits/baud
06/24/2004WO2004054193A2 Method and apparatus for scrambling based peak-to-average power ratio reduction without side information
06/24/2004WO2004054192A1 Precoding of contention words in a fixed wireless access system
06/24/2004WO2004054191A1 Derivation of eigenvectors for spatial processing in mimo communication systems
06/24/2004WO2004054132A1 Diversity receiver having cross coupled channel parameter estimation
06/24/2004WO2004054106A1 High speed transmission circuit
06/24/2004WO2004054104A1 Hardware/software implementation of a pwm with enhanced features using a standard microprocessor
06/24/2004WO2004054101A1 Decision feed forward equalizer system and method
06/24/2004WO2004053810A2 Technique for improving the quality of digital signals in a multi-level signaling system
06/24/2004WO2004036754A3 Adaptive multi-bit delta and sigma-delta modulation
06/24/2004US20040123222 Error corrrection with low latency for bus structures
06/24/2004US20040123212 Edge incremental redundancy memory structure and memory management
06/24/2004US20040123190 Skew compensation method
06/24/2004US20040121737 Device for transmitting digital signals among mobile units
06/24/2004US20040121734 Method and apparatus for estimating the impulse response of a radio channel based on a calculated correlation sequence
06/24/2004US20040121730 Transmission scheme for multi-carrier MIMO systems
06/24/2004US20040120442 Capturing data and crossing clock domains in the absence of a free-running source clock
06/24/2004US20040120435 Pipeline architecture for multi-slot wireless link processing
06/24/2004US20040120434 Edge incremental redundancy support in a cellular wireless terminal
06/24/2004US20040120433 Method for reconstructing data clocked at a symbol rate from a distorted analog signal
06/24/2004US20040120432 Equalising and decoding device for frequency-selective channels
06/24/2004US20040120430 Receiver-side adaptive equalization in source-synchronous chip-to-chip communication systems
06/24/2004US20040120428 Adaptive channel estimation for orthogonal frequency division multiplexing systems or the like
06/24/2004US20040120426 Hybrid data recovery system
06/24/2004US20040120424 Method for making a clear channel assessment in a wireless network
06/24/2004US20040120423 Device and method for compensating for a direct voltage offset and for adjusting a decision threshold for optical data transmission networks
06/24/2004US20040120412 Carrier frequency offset estimation in a wireless communication system
06/24/2004US20040120411 Closed-loop rate control for a multi-channel communication system
06/24/2004US20040120409 Impulse response shortening and symbol synchronization in OFDM communication systems
06/24/2004US20040120405 Simultaneous bidirectional signal subtraction
06/24/2004US20040120394 Decision-feedback equalizer
06/24/2004US20040120393 Interpolating root nyquist filter for variable rate modulator
06/24/2004US20040120391 Residual echo reduction for a full duplex transceiver
06/24/2004US20040120387 Optimum interpolator method and apparatus for digital timing adjustment
06/24/2004US20040120356 Method and system for modulating a carrier frequency to support nondestructive bitwise arbitration of a communication medium
06/24/2004US20040120343 Asynchronous serial data receiver for packet transfer
06/24/2004US20040120300 System, method and apparatus for parallel information transmission in wireless communication systems
06/24/2004US20040120249 Automatic gain control system for multi-user digital OFDM transmission systems over the electric network
06/24/2004US20040120203 Dynamic register with low clock rate testing capability
06/24/2004US20040119553 Center-tap termination circuit and printed circuit board having the same
06/24/2004US20040119518 Sampling pulse generation
06/24/2004US20040119497 Programmable I/O buffer
06/24/2004US20040119495 Peripheral device receiver detection in a high noise environment
06/24/2004US20040119482 Time domain reflectometry based transmitter equalization
06/24/2004US20040119461 Transmitter equalization method and apparatus
06/24/2004DE19630515B4 Interfaceschaltung zur Realisierung einer S/T-Schnittstelle nach Spezifikation ITU I.430 Interface circuit for realizing an S / T interface to specification ITU I.430
06/24/2004DE10258315A1 Bidirectional signal transmission circuit between units in vehicle radar system, has transmitters which apply respective currents to data line, where they are superimposed
06/24/2004DE10256939A1 Störsicheres, enegieoptimiertes Funkübertragungsverfahren für Funkübertragungen mit großem Tastverhältnis Noise-immune, enegieoptimiertes radio transmission method for radio transmission with large duty cycle
06/24/2004DE10256452A1 Verfahren zur Analyse der Kanalimpulsantwort eines Übertragungskanals A method of analyzing the channel impulse response of a transmission channel
06/24/2004CA2809768A1 Derivation of eigenvectors for spatial processing in mimo communication systems
06/24/2004CA2809754A1 Derivation of eigenvectors for spatial processing in mimo communication systems
06/24/2004CA2509196A1 Derivation of eigenvectors for spatial processing in mimo communication systems
06/24/2004CA2505435A1 Decision feed forward equalizer system and method
06/23/2004EP1432220A1 Switchboard for dual-rate singleband telecommunication system
06/23/2004EP1432192A2 Generation of HDMI codewords using a TMDS encoder
06/23/2004EP1432191A1 Data transmission method and apparatus based on a multilink protocol
06/23/2004EP1432190A1 RSSE using hardware acceleration
06/23/2004EP1432163A1 Channel inferring device and method
06/23/2004EP1431770A1 Measuring apparatus and measuring method for pattern dependent jitter
06/23/2004EP1430679A2 Communicating data using wideband communications
06/23/2004EP1430678A2 Communicating data using wideband communications
06/23/2004EP1430677A2 Method and apparatus for data transfer using a time division multiple frequency scheme
06/23/2004EP1430675A2 Fast computation of mimo decision feedback equalizer coefficients
06/23/2004EP1430673A2 Apparatus and method for power efficient line driver
06/23/2004EP1430672A2 Fast computation of decision feedback equalizer coefficients
06/23/2004EP1346533B1 Eye-diagram mask for optical pulses
06/23/2004EP0927480B1 Interference mitigation by joint detection of cochannel signals
06/23/2004CN1507727A Channel estimation for orthogonal frequency division multiplexed (OFDM) signals
06/23/2004CN1507726A Method and system for transferring data with Tomlinson precoding
06/23/2004CN1507716A DMT system for reducing far end crosstalk
06/23/2004CN1507714A Method for coding/decoding a stream of coded digital data with bit-interleaving in multiple transmission and in reception in the presence of intersymbol interference and corresponding system
06/23/2004CN1507170A Method and equipment for determining space character in order to calibrate communication station with antenna array
06/23/2004CN1507169A Method and equipment for determining space character in order to calibrate communication station with antenna array
06/23/2004CN1507168A Method and equipment for determining space character in order to calibrate communication station with antenna array
06/23/2004CN1507161A Radio base station arrangement and decoding apparatus and decoding method used thereof
06/23/2004CN1155230C System for transmitting digital information and digital signal receiver for receiving RF
06/23/2004CN1155196C Delay time adjuster and adjusting method between multiple transmission lines
06/23/2004CN1155164C Channel estimation in cellular communication system
06/23/2004CN1155163C Transmission system for non-linear transmission medium
06/22/2004US6754746 Memory array with read/write methods
06/22/2004US6754503 Method for adaptively selecting a soft symbol for a subsequent operation a communication device
06/22/2004US6754341 External resistor and method to minimize power dissipation in DC holding circuitry for a communication system
06/22/2004US6754294 Dual equalizer for use in an receiver and method of operation
06/22/2004US6754291 Method and device of outputting demodulation result in soft-decision decoding and receiver
06/22/2004US6754285 Signal conditioning techniques in DMT-based transmissions
06/22/2004US6754282 DC-free run length constrained line coding with channel gain
06/22/2004US6754264 Digital equalization method, and a radio communication receiver implementing such method
06/22/2004US6754263 Automatic equalizer
06/22/2004US6754262 Multipath ghost eliminating equalizer with optimum noise enhancement
06/22/2004US6754261 System, device, and method for determining the sampling time for a time-domain equalizer
06/22/2004US6754195 Wireless communication system configured to communicate using a mixed waveform configuration
06/22/2004CA2329652C Demodulator, receiver, and communication system
06/19/2004CA2452425A1 Method and system for modulating a carrier frequency to support nondestructive bitwise arbitration of a communication medium
06/17/2004WO2004051950A1 Digital signal receiver apparatus, optical transmitter apparatus having digital signal receiver apparatus, and identification point control method
06/17/2004WO2004051913A2 Excess delay spread detection method for multi-carrier communication systems
06/17/2004WO2004051865A2 Method for analysing the channel impulse response of a transmission channel
06/17/2004WO2004051591A2 Method for transmitting a digitized message of little information depth
06/17/2004WO2004010665A3 Method and apparatus for hybrid decision feedback equalization
06/17/2004WO2003021845A8 Communicating data using wideband communications
06/17/2004US20040117691 Method and related device for reliably receiving a digital signal