Patents for H04L 25 - Baseband systems (55,083)
10/2013
10/09/2013CN102098249B Real-time detection circuit for radiofrequency envelope
10/09/2013CN102035767B Channel estimation method and device
10/09/2013CN102035569B Method and device for interference cancellation
10/09/2013CN101997616B Vector array MIMO-based high-speed underwater sound communication method
10/09/2013CN101989863B Rapid frequency deviation tracking device and method
10/09/2013CN101917364B Equalizer based on training sequences and realization method thereof
10/09/2013CN101861718B System and method for distributed input distributed output wireless communications
10/09/2013CN101860500B Methods, devices and systems for generating and receiving phase polarization modulation signals
10/09/2013CN101714968B Communication apparatus for multicarrier signal communication of multiple subcarriers via power wire
10/09/2013CN101257324B Linear combined channel estimation method in TD-SCDMA system
10/08/2013US8554333 Adaptable communication sensitivity for an implantable medical device
10/08/2013US8553917 Method for actively reducing occlusion comprising plausibility check and corresponding hearing apparatus
10/08/2013US8553828 Clock data restoration device
10/08/2013US8553822 Time filtering for excess delay mitigation in OFDM systems
10/08/2013US8553820 Groupwise successive interference cancellation for block transmission with reception diversity
10/08/2013US8553727 Method and apparatus for LDPC transmission over a channel bonded link
10/08/2013CA2681378C Mimo wireless communication method and apparatus for transmitting and decoding resource block structures based on a dedicated reference signal mode
10/08/2013CA2472243C High rate transmission diversity transmission and reception
10/03/2013WO2013149247A1 Paired ofdm pilot symbols
10/03/2013WO2013149238A1 Source-follower based voltage mode transmitter
10/03/2013WO2013149021A1 Transmitter noise injection
10/03/2013WO2013148471A1 Receiver-side estimation of and compensation for signal impairments
10/03/2013WO2013147582A1 Inverter-and-switched-capacitor-based squelch detector apparatus and method
10/03/2013WO2013144886A2 Enhanced metrics for demodulation and soft information generation in the presence of a non-constant envelope modulated interferer
10/03/2013WO2013143976A1 Flexible optimization of the signal-to-noise ratio for ultra dense coherent wdm systems
10/03/2013US20130259173 Receiver-side estimation of and compensation for signal impairments
10/03/2013US20130259163 Low Power Receiver
10/03/2013US20130259162 Direct Feedback Equalization with Dynamic Referencing
10/03/2013US20130259158 Very compact/linear software defined transmitter with digital modulator
10/03/2013US20130259153 Paired ofdm pilot symbols
10/03/2013US20130259151 Codebook Feedback Method for Per-User Elevation Beamforming
10/03/2013US20130259144 Receiver and semiconductor integrated circuit having the same
10/03/2013US20130259112 Variable-precision distributed arithmetic multi-input multi-output equalizer for power-and-area-efficient optical dual-polarization quadrature phase-shift-keying system
10/03/2013US20130259106 Wireless Communication Device Capable of Pre-Compensating for Oscillator Phase Noise
10/03/2013US20130258083 Device and system for in-vivo imaging
10/02/2013EP2645657A1 Soft decision value generation circuit
10/02/2013EP2645654A1 Method and Device for Demodulating Rotated Constellations
10/02/2013EP2645653A1 Transmission filter calculator, communication device and methods
10/02/2013EP2645652A1 Receiver architecture for block transmission with known symbol padding
10/02/2013EP2645651A2 Adaptive transmit beamforming for frequency division duplexing systems
10/02/2013EP2645650A1 Time and frequency channel estimation
10/02/2013EP2645649A2 Transmissions over virtual channels
10/02/2013EP2645648A2 Method and system for reducing feedback information in multicarrier-based communication systems based on frequency grouping
10/02/2013EP2645620A1 Low-frequency noise interference prevention in power over ethernet systems
10/02/2013EP2645611A1 A method for triggering transmissions, and a network device therefor
10/02/2013EP2645599A1 Flexible Optimization of the Signal-to-Noise Ratio for Ultra Dense Coherent WDM Systems
10/02/2013EP2645582A1 Reduced-complexity antenna system using multiplexed receive chain processing
10/02/2013EP2643941A1 Communication system having a return channel implemented by level shifting on the data line
10/02/2013EP2164184B1 Automatic power control for a CDMA communications system
10/02/2013DE112011103827T5 Verfahren, Vorrichtung und System zum Kompensieren von Inter-Symbol-Interferenz A method, apparatus and system for compensating for inter-symbol interference
10/02/2013DE102013103230A1 Interzelluläre Makro-Femto Interferenzabschwächung Intercellular macro-femto interference mitigation
10/02/2013CN103339924A Imaging device and imaging system
10/02/2013CN103339870A Power and communications for remote electronic devices
10/02/2013CN103338508A Method and system for jointly estimating frequency offset
10/02/2013CN103338177A Frame synchronization method capable of resisting single-frequency interference
10/02/2013CN103338172A Simultaneous common-frequency full duplex self-interference offset method in multi-path environment
10/02/2013CN103338171A Receiving end equilibrium method and system based on frequency domain communication channel estimation
10/02/2013CN103338170A General multi-mode blind equalization method for chaotic artificial fish school optimization
10/02/2013CN103338169A Self-adapting minimum entropy blind equalization method for optimizing one-dimensional harmonic oscillator quantum artificial fish-swarm
10/02/2013CN103338168A Iteration time domain MMSE (minimum mean square error) equilibrium method based on weighted-type fractional Fourier transform (WFRFT) in doubly dispersive channel
10/02/2013CN103338167A Channel correction method of remote radio unit (RRU), relevant equipment and system
10/02/2013CN103338166A Improved channel estimation method
10/02/2013CN103338165A Channel estimation method and device
10/02/2013CN102158858B Method and device for encrypting MMSE (minimum mean square error) pre-equalization wireless channel based on multipath redundancy
10/02/2013CN102143099B Channel estimation method and device
10/02/2013CN102104563B Frequency control method and device
10/02/2013CN102104560B Channel estimation method and device
10/02/2013CN102075463B System and method for iteratively cancelling interference based on cross correlation and least mean square (LMS)
10/02/2013CN102055716B Carrier phase correcting method for QAM modulation
10/02/2013CN102025664B Method and device for acquiring channel estimation window
10/02/2013CN101989967B Direct current bias compensation method of analog-to-digital conversion chip
10/02/2013CN101938446B Estimating method for channel delay and cyclic prefix (CP) averaging method in OFDM receiver
10/02/2013CN101917213B Adaptive equalization system and adaptive equalization method
10/02/2013CN101873284B Digital predistortion system and temperature compensation method in digital predistortion system
10/02/2013CN101690174B Smart & biggar
10/01/2013US8548614 Dynamic range control and equalization of digital audio using warped processing
10/01/2013US8548106 Crosscorrelation interference mitigating position estimation systems and methods therefor
10/01/2013US8548093 Power amplification based on frequency control signal
10/01/2013US8548091 Measuring and correcting errors in a transmit chain with an IQ up-converter and IQ down-converter
10/01/2013US8548089 System and method for packet communication
10/01/2013US8548030 Relay apparatus
10/01/2013US8548028 Method and apparatus for equalizing CDMA signals
10/01/2013US8547824 Systems and methods for orthogonal frequency divisional multiplexing
09/2013
09/26/2013WO2013142039A1 Dynamic receiver switching
09/26/2013WO2013141967A1 Enhanced sounding reference signal (srs) operation
09/26/2013WO2013140322A2 Methods, apparatus and computer programs for configuring user equipment
09/26/2013WO2013139395A1 Method for digitally compensating a phase response of an optical channel
09/26/2013WO2013139248A1 Data demodulation method, device and system
09/26/2013US20130251078 Receiver gain adjustment to reducing an influence of a dc offset
09/26/2013US20130251073 Simplified High Frequency Tuner and Tuning Method
09/26/2013US20130251065 Multi-rate filter and filtering method for digital pre-distorters
09/26/2013US20130251062 Device for Providing a Differential Output Signal and Method for Providing a Differential Output Signal
09/26/2013US20130251060 Multilevel amplitude modulation device, multilevel amplitude demodulation device, transmission system including these, multilevel amplitude modulation method, and multilevel amplitude demodulation method
09/26/2013US20130251020 Methods and Systems for Adaptive Receiver Equalization
09/26/2013US20130251019 Sparse equalizer system
09/26/2013DE102013103104A1 Sensorschnittstellensender/-empfänger Sensor interface transmitter / receiver
09/25/2013EP2642707A1 Method and apparatus for eliminating direct current offset
09/25/2013EP2642706A1 Methods and devices for estimating channel quality
09/25/2013EP2642684A1 Signal processing method and apparatus in microwave communication system
09/25/2013EP2641369A1 Method of communication in a cooperative network
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