Patents for H04L 25 - Baseband systems (55,083)
03/2009
03/04/2009CN100466540C State detection method based on main and backup Ethernet interface
03/04/2009CN100466538C Method and apparatus for changing the operation mode of an agent of a management network
03/04/2009CN100466537C Device for detecting computer access state in network and detecting method
03/04/2009CN100466536C System and method for managing protocol network failures in a cluster system
03/04/2009CN100466534C Method for processing faults in multimedia sub-system equipment
03/04/2009CN100466533C Network medium content safety macromonitoring method
03/04/2009CN100466532C Set-up method and its system for broadcast multi-cast service transmission mode
03/04/2009CN100466530C Method and device for connecting a plurality of conferences
03/04/2009CN100466529C Method and system for implementing multi-media recording
03/04/2009CN100466528C Interconnected network web information issuing method
03/04/2009CN100466526C Credit control client terminal, credit control server, charging system and charging method
03/04/2009CN100466525C Buffer-based magnitude charging middle message processing method
03/04/2009CN100466523C Charge system and method for combining on-line charge with off-line charge
03/04/2009CN100466522C Farend access communication system, and control method
03/04/2009CN100466520C Method, system for controlling front-end equipment and administrative server
03/04/2009CN100466519C Method for downloading a plurality of files simultaneously in broadcasting network
03/04/2009CN100466517C Conversion method of the long-evolving network and its user device states
03/04/2009CN100466516C Biological identifying method for resisting replay attach
03/04/2009CN100466514C Weighted secret key sharing and reconstructing method
03/04/2009CN100466513C System and method for protecting received and sent data by parity check bit
03/04/2009CN100466511C System and method for controlling a mobile terminal
03/04/2009CN100466510C A method for preventing network address translation (NAT) device from being attacked by network user
03/04/2009CN100466508C Automatic equalization system
03/04/2009CN100466507C Method and device for connecting sensors or actuators to a bus system
03/04/2009CN100466504C Read enable generator, read enable signal generating method and data transmission method
03/04/2009CN100466501C Method for producing long code mask for cluster service
03/04/2009CN100466498C Method and equipment for reaching synchronization to base station
03/04/2009CN100466461C Slicing algorithm for multi-level modulation equalizing schemes
03/03/2009US7499695 Configurable all-digital coherent demodulator system for spread spectrum applications
03/03/2009US7499674 Method and system for repeat request in hybrid ultra wideband-bluetooth radio
03/03/2009US7499516 Methods and apparatus for interface buffer management and clock compensation in data transfers
03/03/2009US7499514 Communication system, reception apparatus and method, recording medium and program
03/03/2009US7499502 Amplifier, information communication apparatus and amplification method
03/03/2009US7499498 Hybrid memory architecture for reduced state sequence estimation (RSSE) techniques
03/03/2009US7499471 Time division multiplexing frame for multiplexing different synchronous signals and method for transmitting and receiving the same
03/03/2009US7499406 Method and apparatus for estimating and reporting the quality of a wireless communication channel
03/03/2009US7499392 OFDM equalizer filter with shared multiplier
03/03/2009US7498801 Apparatus, method, and computer program product for monitoring and controlling a microcomputer using a single existing pin
02/2009
02/26/2009WO2009026559A2 A method and apparatus for generating coefficients in a muti-input-multi-output (mimo) system
02/26/2009WO2009026400A1 System and method for distributed input distributed output wireless communications
02/26/2009WO2009024564A2 Transceiver circuits
02/26/2009US20090055711 Digital broadcasting transmission/reception system utilizing mull packet and trs code to improve receiving performance and signal processing method thereof
02/26/2009US20090052582 Method for improving the performance of ofdm receiver and a receiver using the method
02/26/2009US20090052575 System and Method for Power Control in a Wireless Transmitter
02/26/2009US20090052574 Media access control adaptation method for microwave interference
02/26/2009US20090052565 Turbo channel estimation for ofdm systems
02/26/2009US20090052547 Digital broadcasting transmission/reception system utilizing mull packet and trs code to improve receiving performance and signal processing method thereof
02/26/2009US20090052509 Phy control module for a multi-pair gigabit transceiver
02/26/2009US20090052507 System and Method for Closed-loop Signal Distortion
02/26/2009US20090052471 Digital visual interface with audio and auxiliary data
02/26/2009US20090051822 Digital broadcasting transmission/reception system utilizing mull packet and trs code to improve receiving performance and signal processing method thereof
02/26/2009US20090051821 System and method for terrestrial high-definition television reception
02/26/2009DE102007039616A1 Sendeempfängerschaltungen Transceiver circuits
02/26/2009DE102007018585B4 Vorrichtung und Verfahren zur Ermittlung und Kompensation von Störsignalen in einem Nachrichtenübertragungssystem Apparatus and method for determining compensation and noise in a communication system
02/26/2009CA2695799A1 System and method for distributed input distributed output wireless communications
02/25/2009EP2028808A2 Methods and apparatus for transmitter identification in a wireless network
02/25/2009EP2028782A2 Method and apparatus of data processing in MIMO system
02/25/2009EP2028596A1 Communication system using embedded synchronisation
02/25/2009EP2027688A1 Bus loop power interface and method
02/25/2009EP1579581A4 Method and device for adaptive quantization of soft bits
02/25/2009EP1074128B1 Multicarrier signal receiver with correction of equalization faults induced by the trf window displacements
02/25/2009CN101375570A Method and apparatus for pilot multiplexing in a wireless communication system
02/25/2009CN101375567A Channel estimation method using recursive filtering and multi-carrier receiver with interference perception demodulation
02/25/2009CN101375544A Method and system for generating a secret key from joint randomness
02/25/2009CN101375177A Short-pulse radar and method for controlling the same
02/25/2009CN101374137A Block synchronization method for single-carrier frequency domain equalizing system
02/25/2009CN101374124A Channel gain digital equalizing self-adapting calibration system and method
02/25/2009CN101374034A Down and up multi-user multi-input multi-output pre-coding method and codebook thereof
02/24/2009US7496780 Reduction of data skew in parallel processing circuits
02/24/2009US7496161 Adaptive equalization system for a signal receiver
02/24/2009US7496152 Adaptive control apparatus
02/24/2009US7496150 Transmission apparatus with variable impedance matching
02/24/2009US7496149 Methods and apparatus for signaling on a differential link
02/24/2009US7496072 System and method for controlling signal strength over a reverse link of a CDMA wireless communication system
02/24/2009US7495418 Semiconductor apparatus for charging capacitors
02/24/2009CA2536641C Tx line driver with common mode idle state and selectable slew rates
02/19/2009WO2009023825A2 Antenna switching and uplink sounding channel measurement
02/19/2009WO2009023681A2 Mimo transmission with spatial pre-coding
02/19/2009WO2008142419A9 Ofdm-mimo radio frequency transmission system
02/19/2009WO2008124766A3 Adaptive pilot and data symbol estimation
02/19/2009WO2008118508A9 Method of qam soft demapping
02/19/2009US20090046813 Method and Data Receiver Apparatus for Implementing Memory Read Data Eye Stretcher
02/19/2009US20090046812 Method and Data Receiver Apparatus for Implementing Memory Read Data Eye Stretcher
02/19/2009US20090046806 Wireless communication method in multiantenna communication system
02/19/2009US20090045854 Apparatus and Method for Controlling a Master/Slave System via Master Device Synchronization
02/19/2009CA2694168A1 Mimo transmission with spatial pre-coding
02/18/2009EP2026522A2 Method and system for polar modulation with discontinuous phase
02/18/2009EP2026519A1 Predistortion for a space-time block coding
02/18/2009EP2026518A2 Method and apparatus for pilot muliplexing in a wireless communication system
02/18/2009EP1662657B1 Receiver circuit, interface circuit and electronic device
02/18/2009CN101371542A Low-complexity method and apparatus for appending circulating expansion to continuous phase modulation signal
02/18/2009CN101371540A Cartesian modulation system via multi-level pulse width modulation
02/18/2009CN101371539A Sphere detection and rate selection for a MIMO transmission
02/18/2009CN101371538A Estimation of length of channel impulse response
02/18/2009CN101371537A Recursive computation of a channel matrix for a MIMO equalizer
02/18/2009CN101371523A Method for the transmission of data using self-diagnostic pulse width modulation
02/18/2009CN101371486A A method of packet format dependent selection of MIMO-OFDM demodulator
02/18/2009CN101371251A Interpolation method and correlated equipment for signal channel estimation in communication system
02/18/2009CN101371234A Data bus interface with interruptible clock
02/18/2009CN101369997A High-speed digital interface transceiver and method of supplying bi-directional communication process on high-speed digital interface device