Patents for H04L 25 - Baseband systems (55,083)
02/2013
02/27/2013CN102946367A Low complexity SINR (Signal-to-Interference and Noise Ratio) approximate evaluation method
02/27/2013CN102946296A Method and terminal for interference signal reconstruction
02/27/2013CN102045892B Baseband pool equipment and method for realizing baseband data distributed switching
02/27/2013CN102006147B Implementation method for reducing average feedback quantity of codebook and optimizing codebook
02/27/2013CN101945073B Pilot frequency-based time offset estimation device and method
02/27/2013CN101944977B Reception diversity method and system thereof
02/27/2013CN101917367B Method for intercell interference coordination of downlink control channel in LTE-Advanced heterogeneous network
02/27/2013CN101860501B Data modulation method and device
02/27/2013CN101847215B Clock circuit and data decoding circuit of non-contact type IC (Integrated Circuit) card
02/27/2013CN101827042B Self-adaptive signal channel estimation post treatment device and method
02/27/2013CN101784077B TD_HSUPA uplink data processing system and method
02/27/2013CN101741419B Channel estimation method and device of TD-SCDMA terminal
02/27/2013CN101699847B Digital broadcasting transmission/reception devices capable of improving a receiving performance an dsignal processing method thereof
02/27/2013CN101667896B User selecting method of multi-user MIMO communication system based on codebook
02/27/2013CN101645861B Method and system for synchronously tracking received signal
02/27/2013CN101605002B Method and device for eliminating influence of high-speed differential channel connector
02/27/2013CN101547173B Blind equalization method based on balanced orthometric multi-wavelet
02/27/2013CN101488774B Distance correction codeword detection and time migration estimation method and system
02/27/2013CN101378282B Method and apparatus for processing signal of multi-input multi-output system
02/27/2013CN101305523B Fractionally-spaced equalizers for spread spectrum wireless communication
02/27/2013CN101267236B A smart antenna downlink wave bundle shaping method and its device
02/26/2013US8385852 Phase correction apparatus and phase correction method
02/26/2013US8385496 Apparatus and methods of receiver offset calibration
02/26/2013US8385466 Transmitting a signal from a power amplifier
02/26/2013US8385465 Transmitter chain timing and transmit power control
02/26/2013US8385464 Methods and apparatus for reducing average-to-minimum power ratio in communications signals
02/26/2013US8385456 Wireless radio frequency signal transceiving system
02/26/2013US8385451 Method and apparatus for improved spatial temporal turbo channel coding (STTCC) using eigen-beamforming
02/26/2013US8385450 Metrics calculations utilizing pre-stored values
02/21/2013WO2013024372A1 Aggregated carrier synchronization and reference signal transmitting and receiving methods and apparatus
02/21/2013WO2012103826A3 Line driving method and device
02/21/2013WO2012095052A3 Method, device, and system for frequency offset estimation and channel estimation
02/21/2013US20130044826 Apparatus to communicate multiple signals from multiple antennas on a single cable
02/21/2013US20130044734 Simple block space time transmit diversity using multiple spreading codes
02/21/2013DE102012107213A1 Datenübertragungswegsansteuer-Schutzschaltung, Systeme und Verfahren Data transmission Sans Expensive protection circuit, systems and procedures
02/21/2013DE102011081073A1 Method for determining adaptive modulation parameter for pass/fail decision during testing of mobile terminal, involves determining metric for reference communication signals, and computing adaptive modulation parameter
02/21/2013CA2844858A1 Aggregated carrier synchronization and reference signal transmitting and receiving methods and apparatus
02/20/2013EP2560313A2 Symbol-level combining for MIMO systems with HARQ and/or repetition coding
02/20/2013EP2560307A1 Communications system using beamforming
02/20/2013CN202750087U Drive circuit for power line carrier communication system lines
02/20/2013CN102938931A Wide-range nonsynchronous uplink accessing method and device
02/20/2013CN102938746A Channel estimation method and channel estimator based on complex exponential-basis expansion model
02/20/2013CN102938745A 无线通信方法 The wireless communication method
02/20/2013CN102938744A Method for realizing universal serial transceiver
02/20/2013CN102938688A Method and device for channel measurement and feedback of multi-dimensional antenna array
02/20/2013CN102938669A Method for suppressing Doppler spread in high-speed mobile environment
02/20/2013CN102938667A Communication system with uplink space-time coding via coordinated mobile terminals
02/20/2013CN101873288B Method and device for code acquisition
02/20/2013CN101848178B Single carrier frequency domain equalization method and system as well as sending and receiving device
02/20/2013CN101827044B Hybrid QR decomposition-based least square FPGA solving device
02/19/2013US8381056 Apparatus and method for handling data error in data transmission system including relay station
02/19/2013US8379780 Method for compensation of information losses in an OFDM-based multi-carrier communication signal caused by blanking out pulse-shaped interferences
02/19/2013US8379760 Hybrid heterodyne transmitters and receivers
02/19/2013US8379736 Ultra-wideband communication system and method
02/19/2013US8379545 Communication method, communication apparatus, and communication system
02/19/2013US8378860 Method and system for generating high definition multimedia interface (HDMI) codewords using a TMDS encoder/decoder
02/19/2013CA2676107C Mimo transmission with rank-dependent precoding
02/19/2013CA2501458C Ofdm communication system with multiple ofdm symbol sizes
02/19/2013CA2351140C Adaptive time diversity and spatial diversity for ofdm
02/14/2013WO2013023093A2 Multiple-input and multiple-ouptut (mimo) enhancement for backhaul relays
02/14/2013WO2013022468A1 Wireless communication device and method for multi-mcs ofdm transmissions at different transmission power levels
02/14/2013WO2013020529A1 Measured value transmitting device
02/14/2013WO2013020528A1 Measured value transmitting device
02/14/2013US20130040682 Apparatus and method for beam locking in wireless communication system
02/14/2013US20130039404 Synchronization of a Receiver to a Desired Signal
02/14/2013US20130039401 Method and aparatus for mixed analog/digital beamforming
02/14/2013US20130039394 System and method for reducing or eliminating temperature dependence of a coherent receiver in a wireless communication device
02/13/2013EP2557750A1 Channel estimation and peak to average power ratio reduction in multi-carrier modulation receivers
02/13/2013EP2557747A1 Method and apparatus for feeding back and constructing correlation matrix in multi-input multi-output system
02/13/2013EP2557746A1 Communication device, communication system, and vehicle
02/13/2013EP2557745A1 Vehicle, communication system, and communication device
02/13/2013EP2557744A1 Method and apparatus for a hybrid SC-FDMA receiver
02/13/2013EP2557743A2 Signal evaluation system and method using channel estimation
02/13/2013EP2557721A1 Method and apparatus for sending precoding matrix index and performing precoding
02/13/2013EP2557720A1 Transformation device and method
02/13/2013EP2557718A1 Method and device for performing hierarchy feedback with space information assisted
02/13/2013EP2556638A1 Codebook design and structure for multi-granular feedback
02/13/2013CN202737909U Circuit used to process composite triple beat distortion
02/13/2013CN202737908U Device based on repeater echo offset of additional signal
02/13/2013CN102934478A Load estimation in frequency domain pre-equalization systems
02/13/2013CN102934367A Suppression of overvoltage caused by indirect lightning strike
02/13/2013CN102934362A Driver circuit for high voltage defferential signaling
02/13/2013CN102932830A Communication system and communication method for reducing channel measurement position deviation between mobile relays and eNode B by using LTE-Advanced (Long Term Evolution Advanced)
02/13/2013CN102932808A 高速场景信号发送方法及直放站 High-speed signal transmission method and Repeater Scene
02/13/2013CN102932489A Multi-channel ARINC429 bus interface
02/13/2013CN102932309A Carrier synchronization system and method of combining pilot frequency and iterative decoding
02/13/2013CN102932307A Method for synchronizing orthogonal frequency division multiplexing (OFDM) system time domain through utilizing constant amplitude zero auto correlation (CAZAC) sequence
02/13/2013CN102932305A Code element synchronizer and code element synchronization method
02/13/2013CN102932303A Method, device and system for selecting rotating phase of carrier
02/13/2013CN102932300A Multi-carrier-based independent training sequence channel allocation method and mobile communication system
02/13/2013CN102932296A Multi-mode modulation microwave signal generation method
02/13/2013CN102932295A Data reception apparatus
02/13/2013CN102932294A Power frequency communication system applied to oil field power grid
02/13/2013CN102932293A Balance device and method
02/13/2013CN102932292A Modulus wire
02/13/2013CN102932291A Channel estimation method and device of down link RS (reference signal) of LTE (long term evolution) system
02/13/2013CN102932290A Long-term evolution (LTE) system interference rejection receiving method and device
02/13/2013CN102932289A Cyclic shifting-based method for estimating shifting number and channel response in orthogonal frequency division multiplexing (OFDM) system
02/13/2013CN102932288A A controller for a radio circuit
02/13/2013CN102932287A Time domain searching in testing and measuring device
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