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)
03/2012
03/20/2012US8139627 DC offset estimation in received signals
03/20/2012US8139546 System and method for maintaining wireless channels over a reverse link of a CDMA wireless communication system
03/20/2012US8138825 Multi-chip stack structure and signal transmission method thereof
03/20/2012CA2512670C Digital television transmitter and receiver for transmitting and receiving dual stream using 4 level vestigial side band robust data
03/15/2012US20120063543 Transmitted with Quantization Noise Compensation
03/15/2012US20120063542 Novel Wide Null FOrming System with Beamforming
03/15/2012US20120063522 Method for directional digital data transmission between an aircraft and a ground station
03/15/2012US20120063496 Wireless Transmitters
03/15/2012US20120063493 Transmission rate control method, transmission unit, and communication system
03/15/2012DE102010040785A1 Data transmission method for use in motor vehicle, involves switching operating mode of data receiving unit into power saving mode, when no record is received by data receiving unit at predetermined period
03/15/2012DE102007013379B4 Netzwerkabschluß zum Anschluß an eine Busleitung Network termination for connection to a bus line
03/14/2012EP2429139A2 Signal receiving apparatus, signal receiving method and signal receiving program
03/14/2012EP2429138A1 Method for the determination of the number of superimposed signals using variational bayesian inference
03/14/2012EP2429114A1 Coupling arrangement for phantom-mode transmission
03/14/2012EP2429093A1 Fast square root algorithm for mimo equalization
03/14/2012EP2429087A1 Interference cancellation method and data transmission device
03/14/2012EP2428010A1 Method and apparatus for improved channel estimation by generation of supplemental pilot symbols
03/14/2012EP2428009A2 Method and device for determining estimated values for transmitted symbols in a mimo-ofdm system
03/14/2012EP2427992A2 Method for pre-equalizing a data signal by fdd time reversal
03/14/2012EP2427991A1 Pre-equalizing method using fdd time reversal
03/14/2012EP2427966A2 Drive supporting multiple signaling modes
03/14/2012EP2039102B1 Methods for receiving and transmitting a multicarrier signal comprising a preamble containing data elements, corresponding devices and computer program products
03/14/2012EP1859590B1 Method and apparatus for detecting high-mobility state of mobile terminal and related device
03/14/2012EP1665705B1 Channel estimation feedback in an orthogonal frequency division multiplexing system or the like
03/14/2012CN1700602B Dynamic phase alignment methods and apparatus
03/14/2012CN102379098A Methods and apparatus for generation and use of reference signals in a communications system
03/14/2012CN102379090A Dsl noise cancellation
03/14/2012CN102378213A Method and system for detecting relay node downlink control channel
03/14/2012CN102377720A ZC (zone code) sequence detection method and device in high-speed mode
03/14/2012CN102377716A Pre-compensation method and device for descending frequency offset of orthogonal frequency division multiple access (OFDMA) communication system
03/14/2012CN102377712A Method and apparatus for detection on secondary synchronization signal
03/14/2012CN102377707A Direct current offset elimination method for zero intermediate frequency receiver
03/14/2012CN102377706A Adaptive frequency offset estimation method of filtered multi-tone modulation system
03/14/2012CN102377705A Method and system for eliminating noise and interference
03/14/2012CN102377704A Training sequence symbol insertion method and device as well as communication system
03/14/2012CN102377703A Transmission circuit and communication system
03/14/2012CN102377702A Channel estimation processing system in digital wireless communication and method
03/14/2012CN102377701A Channel estimation method and system based on cyclic correlation
03/14/2012CN102377700A Method for estimating In-phase/Quadrature (I/Q) unbalance of transmitting end and receiving end
03/14/2012CN102377699A Channel estimation method and device for multi-user multi-input multi-output (MU-MIMO) system
03/14/2012CN102377698A Signal to interference and noise ratio measuring method and apparatus thereof
03/14/2012CN102377533A User equipment and method in wireless communication system
03/14/2012CN102377526A Method and device for transmitting feedback information in MIMO (multiple input multiple output) communication system
03/14/2012CN102377490A Optical transmitter module predistortion circuit for cable television front-end optical communication platforms
03/14/2012CN102377477A Baseband signal transmission method and device
03/14/2012CN102377443A Multi-protocol communications receiver with shared analog front-end
03/14/2012CN101605116B Method for forming guard intervals of frame structure and method and device for reconstructing circular convolution
03/14/2012CN101453436B Bus communication module
03/14/2012CN101127024B Signal transmitting system
03/13/2012US8135351 Systems and methods for improving channel estimation
03/13/2012US8135057 Reconfigurable chip level equalizer architecture
03/13/2012US8135056 Noise and channel estimation using low spreading factors
03/13/2012US8134980 Transmittal of heartbeat signal at a lower level than heartbeat request
03/13/2012US8134976 Channel calibration for a time division duplexed communication system
03/13/2012CA2542270C Receiver spatial processing for eigenmode transmission in a mimo system
03/13/2012CA2527681C Current sense circuit in a line powered network element
03/08/2012WO2012031098A1 Iterative nonlinear precoding and feedback for multi-user multiple -input multiple-output (mu-mimo) with channel state information(csi) impairments
03/08/2012WO2012030852A1 Rules for multiplexing data of different access categories in multi user mimo wireless systems
03/08/2012WO2012030606A2 Adaptation circuitry and methods for decision feedback equalizers
03/08/2012WO2012029602A1 Serial data communication method and serial data communication device
03/08/2012WO2012029597A1 Clock replay circuit and clock replay method
03/08/2012WO2012029030A1 Incremental joint detection of frequency domain symbols
03/08/2012WO2012029028A1 Frequency-domain multi-stage group detection for alleviating inter-symbol interference
03/08/2012WO2012029027A1 Symbol detection for alleviating inter-symbol interference
03/08/2012US20120057656 Method and apparatus for passive radio frequency indentification (rfid) reader digital demodulation for manchester subcarrier signal
03/08/2012US20120057653 Method for tuning a digital compensation filter within a transmitter, and associated digital compensation filter
03/08/2012US20120057652 Channel equalizer and method of processing broadcast signal in receiving system
03/08/2012US20120057651 Transmission apparatus and method
03/08/2012US20120057650 Transmitting a signal from a power amplifier
03/08/2012US20120057642 Digital Video Physical layer using a Multi-Level Data Code
03/08/2012US20120056643 System for transmission line terminatino by signal cancellation
03/08/2012DE102011082036A1 Übertragen eines Signals von einem Leistungsverstärker Transmitting a signal from a power amplifier
03/08/2012DE102007016461B4 Verfahren zum Übertragen DC-balance-kodierter Daten, Verfahren zum Reduzieren von Simultaneous Switching Noise, Datensender, Datenempfänger und Daten-Sender/ Empfänger A method for transmitting DC-balance-encoded data, A method for reducing simultaneous switching noise, the data transmitter, data receiver and data transmitter / receiver
03/07/2012EP2427025A1 Communication device, base station and multi-point cooperative communication method
03/07/2012EP2426879A2 Radio communicaton system and radio communication method
03/07/2012EP2426878A2 Bias removal of radio link quality estimates
03/07/2012EP2426851A2 Digital Signal Reception
03/07/2012EP2426849A2 Digital signal transmission and reception
03/07/2012EP2426839A1 Method, device, and system for channel estimation
03/07/2012EP2426836A1 A dual polarization transceiver
03/07/2012EP2425596A2 Hybrid-qrd-sic and imbalanced mcs system and method for mimo
03/07/2012EP2425595A1 Method of scheduling transissions in a communication system
03/07/2012EP1063784B1 Radio communication device
03/07/2012CN202160195U 功率自动增益控制保护装置 AGC power protection devices
03/07/2012CN1883175B Coherent tracking for FM IBOC receiver using a switch diversity antenna system
03/07/2012CN1497886B Orthogonal frequency division multiplex signal equalizer, method, ground digital broadcast receiver
03/07/2012CN102369707A Method and device for eliminating co-channel interference on pilot frequency
03/07/2012CN102369705A Signal processing method, device and system of communication system
03/07/2012CN102368757A Predistortion circuit
03/07/2012CN102368756A Channel estimation applied in LTE (Long Term Evolution) terminal
03/07/2012CN102368690A Micro-nano satellite measurement and control digit midfrequency and baseband processing method and apparatus thereof
03/07/2012CN101656696B Frequency-domain small wave blind equalization method based on united combining space-time diversity
03/07/2012CN101534268B Codebook design and feedback method for pre-coding of multi-input and multi-output system
03/07/2012CN101510803B Error correcting system and method of wireless laser communication GF(q) domain
03/07/2012CN101309248B Frequency synchronizing method and apparatus suitable for OFDM communication system
03/07/2012CN101023643B Adaptive pilot insertion for a MIMO-OFDM system
03/06/2012US8132041 Method and apparatus for generating or utilizing one or more cycle-swallowed clock signals
03/06/2012US8130878 Apparatus and method for estimating carrier-to-interference-and-noise ratio in an orthogonal frequency division multiplexing system
03/06/2012US8130866 Peak suppressing apparatus, peak suppressing method, and wireless communication device
03/06/2012US8130865 Digital modulation jitter compensation for polar transmitter
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