Patents
Sitemap › H04 - Electric communication technique › H04L - Transmission of digital information, e.g. telegraphic communication › H04L 25 - Baseband systems
Patents for H04L 25 - Baseband systems (55,083)
10/2012
10/10/2012CN101136881B Blind carrier frequency offset estimator based on single OFDM symbol training sequence
10/10/2012CN101132238B Method for reproduction and conversion of high bit rate digital signal and related receiver
10/10/2012CN101015158B Demodulation method and device
10/09/2012US8285896 Data conversion system
10/09/2012US8285239 Receiver second order intermodulation correction system and method
10/09/2012US8284877 Noise filtering inverse transformation
10/09/2012US8284861 Closed-loop MIMO transmission and its related signaling
10/09/2012US8284860 Error signal processing systems for generating a digital error signal from an analog error signal
10/09/2012US8284854 Groupwise successive interference cancellation for block transmission with reception diversity
10/09/2012US8283982 Decision feedback equalizer circuit
10/04/2012WO2012134666A1 An interposer having an inductor
10/04/2012WO2012134335A1 Multi-stream joint transmission scheme for wireless communication network
10/04/2012WO2012134334A1 Methods, apparatuses, and systems for flexible rank adaptation in a wireless communication network
10/04/2012WO2012134320A1 Device, system and method of wireless communication between circuits
10/04/2012WO2012134319A1 Frequency domain equalization for wireless communication
10/04/2012WO2012133781A1 Transmission system and method for constructing backplane system
10/04/2012WO2012133755A1 Transmission system and method for constructing backplane system
10/04/2012WO2012130559A1 Method and apparatus for determining a piece of extrinsic information
10/04/2012WO2012130327A1 Apparatus for performing channel equalization on a mimo signal
10/04/2012WO2012096973A3 Apparatus and method for uplink closed loop transmit diversity
10/04/2012US20120250798 Maximizing data rate by adjusting codes and code rates
10/04/2012US20120250790 Frequency selective iq correction
10/04/2012US20120250789 Generating a modulated signal for a transmitter
10/04/2012US20120250780 Method and device for pre-coding, and method and device for decoding
10/04/2012US20120250751 Variable Size Codebook for MIMO System
10/04/2012US20120250742 Uplink Transmission Mode Switching in Single User Multiple-Input Communication
10/04/2012US20120250734 Data output circuit of semiconductor apparatus
10/04/2012CA2803658A1 A method and a device for determining an extrinsic information
10/03/2012EP2506643A1 Resources allocation method and apparatus of multiple relays orthogonal frequency division multiplexing (ofdm) system
10/03/2012EP2506514A1 Asymmetric full duplex communication including device power communication
10/03/2012EP2506513A2 Full duplex communication circuit and method therefor
10/03/2012EP2506508A2 Systems and methods for multi-pair ATM over DSL
10/03/2012EP2506457A1 Processing of digital detection signals generated by coherent optical detection
10/03/2012EP2506433A1 Transmitting device, receiving device and transmitting/receiving system
10/03/2012EP2506426A1 A method for amplification of a signal, and an amplifying device therefor
10/03/2012EP2504962A1 Mimo minimum mean square error receiver using qr decomposition and systolic arrays
10/03/2012EP2504934A2 A method and apparatus for using factorized precoding
10/03/2012CN202475477U Transmit-receive automatic switching circuit for converting RS485 interface into serial port
10/03/2012CN1998160B Iterative eigenvector computation for a MIMO communication system
10/03/2012CN102714640A Apparatus for pseudo-return-to-zero modulation
10/03/2012CN102714639A Adaptive equalization method and adaptive equalizer
10/03/2012CN102714638A Method and apparatus for received signal processing in a wireless communication receiver
10/03/2012CN102714637A Transmission device, reception device, transmission-reception system, and image display system
10/03/2012CN102714518A Interference cancellation for wireless communications
10/03/2012CN102710569A Device and method for eliminating cross polarization interference
10/03/2012CN102710568A Direct sequence spread spectrum signal acquiring and recovering method based on compressed sensing
10/03/2012CN102710567A Part judgment method in interference elimination technology for multiple-input multiple-output (MIMO) wireless communication receiver
10/03/2012CN102710566A Sequence iteration combined estimation method of multi-antenna mobile channel characteristic parameters
10/03/2012CN102710565A Combined estimation method for distributed multi-antenna mobile channel characteristic parameters
10/03/2012CN102710564A Channel time domain impulse response filter method and device
10/03/2012CN102710563A Method for frequency offset estimation and automatic frequency control for filtered signal with destroyed phase information and signal transceiver
10/03/2012CN102710562A Combined time bias estimation method based on phase position and channel impact
10/03/2012CN102710561A Channel estimation by adaptive interpolation
10/03/2012CN102710560A Channel estimation method for TD-SCDMA system
10/03/2012CN102710407A Communication structure on modulation-demodulation-free transistor-transistor logic (TTL) level direct current (DC) power wire
10/03/2012CN102710395A Cooperative transmission method based on united beam forming
10/03/2012CN102710392A Detecting method for continuous gradient search vertical bell labs layered space-time code based on power constraint
10/03/2012CN102710371A Transmission method using limiting feedback information in multi-antenna two-hop relay system
10/03/2012CN102710311A Wireless communication system, and wireless communication device and method
10/03/2012CN102710310A SLR (Signal-To-Leakage Ratio)-based multiple-user safety communication precoding method
10/03/2012CN102710308A Codebook designing method for reducing feedback information cost in pre-coding MIMO (Multiple Input Multiple Output) system
10/03/2012CN101902589B Signal processing device, method and reception system
10/03/2012CN101848028B Self-adapting method for improving time delay inconsistency of TDRSS (The Tracking and Data Relay Satellite System) array element signal group
10/03/2012CN101841510B Method and apparatus for communication in a system employing differing transmission protocols
10/03/2012CN101753489B Communication channel estimating method and device
10/03/2012CN101741788B Method for modulating and demodulating minimum frequency shift keying signal and special method for designing complex analytic band-pass filter
10/03/2012CN101686317B Digital broadcast receiver having an improved receiving performance and signal processing method thereof
10/03/2012CN101686110B Multi-input multi-output system, data transmission method and data transmission device thereof
10/03/2012CN101682601B Frequency domain interpolation based receiver for multicarrier signals
10/03/2012CN101656599B Subchannel selection method and subchannel selection device and receiver using device
10/03/2012CN101594157B Distortion compensating apparatus, wireless communication apparatus, and distortion compensating method
10/03/2012CN101582742B Method for detecting iteration of multiple input multiple output (MIMO) system, system thereof and device thereof
10/03/2012CN101547019B Method for evaluating channel in DTMB system and device realizing same
10/03/2012CN101515909B Method and apparatus for multi-rate control in a multi-channel communication system
10/03/2012CN101502009B Phone
10/03/2012CN101437010B Method and apparatus for estimating OFDM system channel
10/03/2012CN101176276B Rate selection wtih margin sharing
10/03/2012CN101099326B Closed-loop rate control for a mimo communication system
10/02/2012US8280662 Optical system, optical module and threshold setting method
10/02/2012US8280442 Radio base station and receiver fault diagnosis method
10/02/2012US8279990 Transmitting/receiving system and method of processing data in the transmitting/receiving system
10/02/2012US8279987 System and method for canceling interference in a communication system
10/02/2012US8279972 System and method capable of implicit feedback for the devices with an unequal number of transmitter and receiver chains in a wireless local area network
10/02/2012US8279971 Determining a level of power reduction for a transmitter
10/02/2012US8279970 Transmission spectra
10/02/2012US8279969 System and method for adapting a change in constellation density while receiving a signal
10/02/2012US8279950 Compensation for transmission line length variation in a SERDES system
10/02/2012US8279949 Method and apparatus for estimating channel length in wired communication system
10/02/2012US8278968 Calibration methods and circuits to calibrate drive current and termination impedance
10/02/2012CA2556708C Transmit diversity and spatial spreading for an ofdm-based multi-antenna communication system
10/02/2012CA2500849C Data detection and demodulation for wireless communication systems
09/2012
09/27/2012WO2012126878A1 Method and apparatus for tracking fast time-varying communication channels
09/27/2012WO2012126836A1 Method and apparatus for estimation of a subchannel power imbalance ratio (scpir) in vamos communication sytems
09/27/2012WO2012126361A1 Signal detection method and device
09/27/2012US20120243637 Power Amplification Based on Phase Angle Controlled Frequency Reference Signal and Amplitude Control Signal
09/27/2012US20120243620 Method and apparatus for digital data transmission
09/27/2012US20120243598 Methods and Systems for Adaptive Receiver Equalization
09/27/2012US20120243582 Transmitter and communication device
09/26/2012EP2503750A1 Method for processing a multicarrier signal with arrays of filters for synchronisation by preamble
09/26/2012EP2503749A2 OFDM receiver and method
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