Patents for H04L 25 - Baseband systems (55,083)
01/2012
01/19/2012US20120014460 Compensation for Transmission Line Length Variation in a Serdes System
01/19/2012US20120014459 Power Line Communication Networks and Methods employing Multiple Widebands
01/19/2012US20120014364 Wlan transmitter having high data throughput
01/19/2012DE102011076647A1 Safety-oriented slave, has coupling elements permitting or suppressing data transfer in data transfer lines, and bridge section provided between channels and serving for short-circuit detection and acting on one coupling element
01/19/2012CA2804963A1 Method and apparatus for determining ue mobility status
01/18/2012EP2408131A1 Communication system and mobile station apparatus
01/18/2012EP2406979A1 System and method for channel information feedback in a wireless communications system
01/18/2012EP2406927A1 A digital predistortion circuit with extended operating range and a method thereof
01/18/2012EP2406926A1 Apparatus and method for compensating for clipping power losses
01/18/2012EP2406904A1 Spectral shaping of multicarrier signals
01/18/2012EP1931095B1 Light receiver and its identification threshold value generation method
01/18/2012EP1738476B1 System for synchronizing a portable transceiver to a network
01/18/2012CN202121576U WCDMA (wideband code division multiple access) base station locking system based on Altera
01/18/2012CN202121570U High-speed large-scale digital signal processing chip
01/18/2012CN1973477B Dual-mode equalizer in an ATSC-DTV receiver
01/18/2012CN1839602B Channel estimation using pilot symbols
01/18/2012CN1735082B Decision-feedback equalizer and method of updating feedback filter coefficients
01/18/2012CN102326373A Protocol operation and message design for sdma data transmission to plurality of stations
01/18/2012CN102326350A Method for transmitting a data signal via a plurality of transmitting entities
01/18/2012CN102326346A Method and apparatus for transmitting audio data
01/18/2012CN102325123A Blind identification method for multilevel quadrature amplitude modulation (MQAM) signals under Rayleigh fading channel
01/18/2012CN102325119A Joint estimation method of time deviation and frequency deviation
01/18/2012CN102325113A Software and hardware combined broadcast-positioning baseband processor chip
01/18/2012CN102325112A Method and apparatus for transmitting uplink signal, and method and apparatus for generating uplink signal in communication system
01/18/2012CN102325109A Rapid FSK (Frequency Shift Keying) demodulation method and full-digital low-power-consumption device for realizing same
01/18/2012CN102325107A Interference alignment method for N-to-N multiple input multiple output (MIMO) channels
01/18/2012CN102325106A Gaussian filtered minimum shift keying (GSMK) digital demodulation error metering method and system
01/18/2012CN102325105A Channel equalization method based on threshold sub-band decomposition
01/18/2012CN102325104A Digital baseband echo canceller
01/18/2012CN102325103A Reference signal designing method and system for LTE-A (Long Term Evolution-Advanced) system expansion CP (Content Provider)
01/18/2012CN102325102A Narrow-band short-wave channel equalization algorithm under variable channel coefficient
01/18/2012CN102325101A Method and device for measuring speed by using pilot frequency
01/18/2012CN102324989A Clustering spectrum sensing method
01/18/2012CN101330347B Encapsulation detection circuit and method thereof
01/18/2012CN101185300B Radio transmission having variable lengths of guard intervals
01/18/2012CN101150347B Communication system and its transmitting channel estimation method
01/17/2012US8099123 Adaptation of transmit subchannel gains in a system with interference cancellation
01/17/2012US8098777 Signal detection method and receiving apparatus in MIMO system
01/17/2012US8098776 Method and system for pre-equalization in a single weight spatial multiplexing MIMO system
01/17/2012US8098768 Compensation of ethernet transmit baseline wander
01/17/2012US8098754 Midamble allocations for MIMO transmissions
01/17/2012US8098737 Robust multi-tuner/multi-channel audio/video rendering on a single-chip high-definition digital multimedia receiver
01/17/2012US8098725 Equalization and decision-directed loops with trellis demodulation in high definition TV
01/17/2012US8098720 Method and apparatus for suppressing adjacent channel interference and multipath propagation signals and radio receiver using said apparatus
01/17/2012US8098718 Apparatus and methods for digital-to-analog conversion with vector quantization
01/17/2012US8098654 Storage system, computer system and interface module
01/12/2012WO2012006583A1 Channel estimation based on midamble
01/12/2012WO2012006472A2 Channel state information (csi) feedback protocol for multiuser multiple input, multiple output (mu-mimo)
01/12/2012WO2012006120A1 System and method for multi-point hsdpa communication utilizing a multi-link rlc sublayer
01/12/2012WO2011146453A3 Heterogeneous physical media attachment circuitry for integrated circuit devices
01/12/2012US20120011388 Power line communication device and power line communication system
01/12/2012US20120008717 Conversion system
01/12/2012US20120008715 Digital Phase Feedback for Determining Phase Distortion
01/12/2012US20120008712 Midamble allocations for mimo transmissions
01/12/2012US20120008701 Phase interpolator based transmission clock control
01/12/2012US20120008664 Device for controlling the frequency of a satellite remote-controlled transmitter/receiver, and related transmitter and receiver
01/12/2012US20120007756 Digital signal processing based de-serializer
01/12/2012DE102011105966A1 Kommunikationsvorrichtung und -verfahren einer speicherprogrammierbaren Steuerung Communication apparatus and method of a programmable controller
01/11/2012EP2405619A1 Histogram-based post-processing of path metrics of a viterbi equalizer
01/11/2012EP2404419A2 Channel extrapolation from one frequency and time to another
01/11/2012EP2404418A1 Compensating pre-filter for an ofdm transmitter
01/11/2012EP2404417A1 Ofdm spectral control
01/11/2012EP2404414A2 Method and system for reducing feedback information in multicarrier-based communication systems based on frequency grouping
01/11/2012EP2404413A2 Method and system for reducing feedback information in multicarrier-based communication systems based on tiers
01/11/2012EP2404385A1 Dsl noise cancellation
01/11/2012EP1297670B1 Method and apparatus for generating a short-range wireless data communication link
01/11/2012CN1960556B Iterative channel prediction
01/11/2012CN1949684B Method and apparatus for eliminating common-frequency cell signal interference based on parallel interference cancellation
01/11/2012CN102318304A Post-DTF/FFT time tracking algorithm for OFDM receivers
01/11/2012CN102318303A Transmission of parallel data flows on a parallel bus
01/11/2012CN102318302A Method, apparatus and system of signal processing
01/11/2012CN102318301A OFDM receiver having a plurality of FFTs according to G-RAKE structure
01/11/2012CN102318300A Direct current (DC) compensating method, DC compensator and baseband signal processor
01/11/2012CN102318299A Method and apparatus of eliminating far-end crosstalk by precoding
01/11/2012CN102318298A Apparatus and methods for self-biasing differential signaling circuitry having multimode output configurations for low voltage applications
01/11/2012CN102318209A Simultaneous estimation of multiple channel coefficients using a common probing sequence
01/11/2012CN102318208A Method, device and system for reducing cross-talk in digital subscriber line service transmission
01/11/2012CN102316601A Leader sequence detection method and device for random access channel
01/11/2012CN102316576A Wireless base station clock synchronization method and system thereof, base band frame and exchange frame
01/11/2012CN102316420A Long term evolution (LTE) based multicast single frequency network splitting method
01/11/2012CN102316071A Signal processing method and apparatus thereof
01/11/2012CN102316061A Time synchronization method and device for frequency hopping orthogonal frequency division multiplexing system
01/11/2012CN102316057A Judging-feeding back device and method of receiver
01/11/2012CN102316056A Method and device for processing baseband data
01/11/2012CN102316055A Base band unit, base band processing unit (BBU), remote radio unit (RRU) and base station
01/11/2012CN102316054A Timing estimation method and device of wireless broadband communication system
01/11/2012CN102316017A Data transmission device, method and system for communication
01/11/2012CN102315917A Electricity-saving method and device for signal transmission
01/11/2012CN102315914A Robust non-linear transceiver under multiple-input-multiple-output spatial correlation channel
01/11/2012CN102315858A Multiple-channel radio-frequency signal adaptation system
01/11/2012CN101436879B Method for extracting interfering signal amplitude with environmental noise
01/11/2012CN101390352B Dual output differential line driver using single high current
01/11/2012CN101291192B Pre-coding method under time division duplex mode with multi-users, MIMO on downlink
01/11/2012CN101238690B Equalizer mode selection based on distribution of symbol error
01/11/2012CN101204052B Serial link apparatus, method and system
01/11/2012CN101185249B Joint detector in a code division multiple access radio receiver and combined detecton method
01/11/2012CN101150346B Receiver
01/11/2012CN101147350B MIMO multiplex communication apparatus and signal separation method
01/11/2012CN101083521B Differential signal conveying system
01/11/2012CN101027886B Method and apparatus for signal demodulation