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)
07/2012
07/11/2012CN101621304B Transceiver
07/11/2012CN101094208B Receiving unit of vehicle communication system
07/10/2012US8219078 Method and apparatus for multi-user multi-input multi-output transmission
07/10/2012US8218704 Demodulation method and demodulator of pulse-edge shifted pulse
07/10/2012US8218696 Receiving apparatus, receiving method, integrated circuit, digital television receiver, and program
07/10/2012US8218686 Circuit and method for DC offset compensation
07/10/2012US8218677 Transmitter characterization for digital pre-distortion using offset preamble subcarriers
07/10/2012US8218672 Differential data transceiver and method with reversed-wire immunity
07/10/2012US8218610 System and method for descrambling the phase of carriers in a multicarrier communications system
07/10/2012US8218609 Closed-loop rate control for a multi-channel communication system
07/10/2012US8218608 Self-tuning transmitter
07/10/2012US8218427 Preamble configuring method in the wireless LAN system, and a method for a frame synchronization
07/10/2012US8217268 Alien crosstalk suppression with enhanced patch cord
07/10/2012CA2629675C Multi-stage receiver for wireless communication
07/10/2012CA2464132C Method and system for dsl power saving
07/05/2012WO2012092007A2 Voltage-mode driver with pre-emphasis
07/05/2012WO2012089156A1 Coefficient calculation method and device for time-domain channel estimation filter
07/05/2012WO2012089138A1 Method and mobile terminal for improving antenna matching performance of multi-band mobile terminal
07/05/2012WO2012088993A1 Transmission method based on non-codebook pre-coding in mimo system
07/05/2012US20120170673 Digital modulation jitter compensation for polar transmitter
07/05/2012US20120170672 Multicarrier transceiver and method for precoding spatially multiplexed ofdm signals in a wireless access network
07/05/2012US20120170624 Systems and methods for power control in a multiple standard mobile transmitter
07/05/2012US20120170619 Method for sending and receiving data on a cooperative communications system and a cooperative communications method
07/05/2012US20120170484 Signaling for wireless communications
07/04/2012EP2472940A1 Method and apparatus for performing channel measurement for cell
07/04/2012EP2472807A1 Method, apparatus and system for speech coding and decoding
07/04/2012EP2472806A1 Improved channel estimation method using filtering
07/04/2012EP2472805A1 Dynamically adjusted OFDM channel estimation filtering in OFDM communications
07/04/2012EP2472729A1 Interference cancellation system
07/04/2012EP2471235A2 Joint demodulation and interference suppression using serial localization with indecision
07/04/2012EP2471234A2 Demodulation using serial localization with indecision
07/04/2012EP2471227A2 Equalization using serial localization with indecision
07/04/2012EP1994700B1 Method and system for compensating for asymmetric delays
07/04/2012CN1939103B Magnetically differential input
07/04/2012CN1939020B Communication system
07/04/2012CN1833421B Multi-carrier communication apparatus with adaptive transmission according to transmission path fluctuations
07/04/2012CN1708035B Method and system for analog and digital RF receiver interface
07/04/2012CN102549994A Method and device for correcting in-phase orthogonal signal
07/04/2012CN102549993A A method and apparatus for detecting a plurality of symbol blocks
07/04/2012CN102549992A Protocol to support adaptive station-dependent channel state information feedback rate in multi-user communication systems
07/04/2012CN102549991A Power supply arrangement for line termination units
07/04/2012CN102549937A Reference signals for uplink multi-user mimo
07/04/2012CN102546515A Optical orthogonal frequency division multiplexing variable-rate transmission system and method
07/04/2012CN102546511A Underwater sound communication device and method based on time reversal and orthogonal frequency division multiplexing (OFDM) combined treatment
07/04/2012CN102546509A Carrier frequency offset estimation method based on chirp training sequence
07/04/2012CN102546507A Noise variance estimation in wireless communications for diversity combining and log-likelihood scaling
07/04/2012CN102546502A Method and system for demodulating communication signals in spectral domain
07/04/2012CN102546500A SOQPSK (shaping offset quadrature phase shift keying) carrier synchronization method based on pilot frequency and soft information combined assistance
07/04/2012CN102546497A Method and device for compressing sampled data
07/04/2012CN102546496A Baseband digital signal processing device based on power line carrier communication
07/04/2012CN102546495A Method and device for frequency offset compensation
07/04/2012CN102546494A Underwater blind equalization system and method
07/04/2012CN102546493A Data recovery apparatus and method by using over-sampling
07/04/2012CN102546492A Information channel environmental detection method based on support vector machine
07/04/2012CN102546491A Detection and tracking method for carrier phase difference of multi-point transmission channel, and device thereof
07/04/2012CN102546490A Channel estimation method applied to wireless sensor network
07/04/2012CN102546489A Calculation method and device for demodulated effective noise in wireless communication
07/04/2012CN102546488A Interference elimination method based on effective channel parameter semi-orthogonal
07/04/2012CN102546487A Channel response and power offset jointed estimation method and device
07/04/2012CN102546486A Processing method for channel self-adaptation single carrier underwater acoustic coherent communication signals
07/04/2012CN102546485A Frequency deviation estimating method and device
07/04/2012CN102546484A Signal channel training method and signal channel training receiver device based on beacon frame
07/04/2012CN102546483A Method for broadband common-frequency interference noise estimation and interference suppression and corresponding system
07/04/2012CN102546143A Time bias estimation and correction method for receiver in burst communication system
07/04/2012CN102546138A Beamforming method and device
07/04/2012CN102546128A Method for multi-channel blind deconvolution on cascaded neural network
07/04/2012CN102546127A Information processing method for multiple-input multiple-output (MIMO) relay system
07/04/2012CN102546125A Generation method of low-complexity pre-coding modulation matrix and pre-coding modulation method thereof
07/04/2012CN102546121A Method and equipment for determining precoding mode in multiple input multiple output (MIMO) system
07/04/2012CN102546120A Matrix decomposition based pre-coding method and device in MIMO (multiple input multiple output) system
07/04/2012CN102545994A Digital video broadcasting (DVB)-carrier-based satellite identification circuit and method
07/04/2012CN102545983A Processing method and device for pilot frequency in multi-point cooperative transmission system
07/04/2012CN102545977A Process and equipment for user scheduling in MIMO (multiple input and multiple output) system
07/04/2012CN102196486B Reference signal received power measurement method and device for orthogonal frequency-division multiplexing system
07/04/2012CN101902435B Downlink frequency deviation estimation method based on IEEE (Institute of Electrical and Electronics Engineers) 802.16e communication standard
07/04/2012CN101854322B Frequency tracking method and system and frequency discriminator
07/04/2012CN101764782B Method for eliminating interference among carriers based on low-complexity frequency domain linear equalization
07/04/2012CN101739387B Singular value decomposing method and related singular value decomposing device
07/04/2012CN101694986B Vector modulation error compensation method based on analog base band correction
07/04/2012CN101686360B Interface circuit and video apparatus
07/04/2012CN101662821B Signal processing method and communication system
07/04/2012CN101645916B Method for processing GNSS base band with communication protocol stack
07/04/2012CN101626283B Uniform channel decomposition method for vertical layered space-time coding communication system
07/04/2012CN101605111B Method and device for clipping control
07/04/2012CN101599940B Method and device for estimating noise power of orthogonal frequency division multiplexing system
07/04/2012CN101594326B Pre-distorted radio frequency amplifier
07/04/2012CN101594321B Method and device for channel prediction
07/04/2012CN101567747B Soft regulating method and soft regulating system suitable for high-speed downlink grouped access service
07/04/2012CN101515829B Automatic detection method aiming at GSM trunk amplifying
07/04/2012CN101488794B Intelligent antenna message transceiving method for CDMA high speed data base station
07/04/2012CN101483449B Multiuser transmission method and transmission apparatus
07/04/2012CN101479954B Method for despreading orthogonal pseudorandom noise
07/04/2012CN101465684B Method for rapidly matching codebook of MIMO system subscriber terminal
07/04/2012CN101436869B Equivalent radio frequency belt defect wave filter circuit, radio frequency chip and receiver
07/04/2012CN101404518B Frequency deviation estimation method and apparatus used for radio communication system
07/04/2012CN101335540B Physical code channel activating detection method and apparatus based on channel estimating postprocessing
07/04/2012CN101330482B Method for implementing rapid channel estimation using FWT in DMB-T system
07/04/2012CN101304395B Zero intermediate frequency transmitter as well as method and apparatus for correcting sideband and local oscillation leakage thereof
07/04/2012CN101291158B Baseband system, base station and processing method supporting softer switch
07/04/2012CN101283558B Communication channel estimation
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