Patents
Sitemap › H04 - Electric communication technique › H04L - Transmission of digital information, e.g. telegraphic communication › H04L 27 - Modulated-carrier systems
Patents for H04L 27 - Modulated-carrier systems (89,721)
10/2008
10/09/2008US20080247475 Method for codebook design and beamforming vector selection in per-user unitary rate control (pu2rc) system
10/09/2008US20080247474 Apparatus and Method For Receiving Signals in Multi-Carrier Multi-Carrier Multiple Access Systems
10/09/2008US20080247447 Apparatus and method for transmitting digital data over various communication media
10/09/2008US20080247306 Companded transmit path for wirless communication
10/09/2008DE102008010126A1 System mit einem OFDM-Kanalschätzer System with an OFDM channel estimator
10/09/2008CA2682410A1 Hierarchical offset compensation to improve synchronization and performance
10/08/2008EP1978696A2 Crest factor reduction
10/08/2008EP1977578A1 Method and device for dynamically selecting orthogonal functions of an orthogonal transmission system
10/08/2008EP1977577A1 Signal phase control in an integrated radio circuit
10/08/2008EP1977570A2 Choosing parameters in a peer-to-peer communications system
10/08/2008EP1977544A1 Method and system for supporting scalable bandwidth
10/08/2008EP1977533A1 System for emergency rate adjustment
10/08/2008EP1590835A4 Asynchronous system-on-a-chip interconnect
10/08/2008EP1493228B1 Application-specific integrated circuit for a low-pass filtering device used for decoupling xdsl channels
10/08/2008EP1230733B1 Adsl filter
10/08/2008EP1038257B2 System for the transmission of data from a data carrier to a station by means of at least one other auxiliary carrier signal
10/08/2008EP1021898B1 Signalling transmission using phase rotation techniques in a digital communications system
10/08/2008EP0934638B1 Method and apparatus for superframe bit allocation in a discrete multitone (dmt) system
10/08/2008CN201130956Y Rotating adjustable step equalizer
10/08/2008CN101283564A Synchronization channel scheme for super 3g
10/08/2008CN101283563A Method and apparatus for accelerated super 3G cell search
10/08/2008CN101283562A Channel and interference estimation in single-carrier and multi-carrier frequency division multiple access systems
10/08/2008CN101283561A Multi-carrier wireless network using flexible fractional frequency reuse
10/08/2008CN101282564A Method and terminal for estimating channel quality indication in TDD system
10/08/2008CN101282325A Apparatus for compensating transmitting end channel in wireless sensing network
10/08/2008CN101282324A Method for managing combined wireless resource of self-adaption MIMO-OFDM system based on across layer
10/08/2008CN101282323A Single carrier high rate wireless system
10/08/2008CN101282322A Built-in digital filter apparatus for physical layer of wireless intermediate-range sensing network
10/08/2008CN101282321A Transmission method capable of reducing self-adaption frequency-select block of back information
10/08/2008CN101282320A Method for expanding band width of broadband radio communication system based on OFDM technique
10/08/2008CN101282319A Method for expanding band width of broadband radio communication system based on OFDM technique
10/08/2008CN101282318A Novel method for transmitting prefix of OFDM system
10/08/2008CN101282317A Method and apparatus for estimating channel quality
10/08/2008CN101282307A Apparatus and method for releasing ms information in a wireless access communication system
10/08/2008CN101282286A Method for reducing transmission block set coarseness during access of high speed upstream packet
10/08/2008CN101282261A Evolvement system being compatible with variable bandwidth Wimax system, wireless frame as well as generating method thereof
10/08/2008CN101282258A Evolvement system being compatible with variable frequency range Wimax system, frame as well as generating method thereof
10/08/2008CN101282198A Transmission method and terminal for upstream multi-antenna in TDD system
10/08/2008CN101282192A Method for encoding mixed automatic retransmission channel
10/08/2008CN101282188A Wireless base station, mobile station, radio communication system, and radio communication method
10/08/2008CN101282160A Method for collocating OFDM system
10/08/2008CN101282152A Apparatus and method for transmitting multi-input multi-output time space block encoding modulating data
10/08/2008CN101282151A Mechanism for dynamically distributing time-frequency resource using MIMO precoding code book in OFDMA system
10/08/2008CN101282150A Transmission method capable of improving OFDMA system prefix sequence
10/08/2008CN101282128A Method for reinforcing predecessor of broadband radio communication system
10/08/2008CN101282106A Electronic circuit, method for modulating, and, apparatus and method for information processing
10/08/2008CN100425044C A hierarchical QAM transmission system with varying grouping factor
10/07/2008US7433653 Transmitter and semiconductor integrated circuit for communication
10/07/2008US7433603 Using active and passive optical components for an optical network
10/07/2008US7433435 Apparatus, methods, systems, and articles incorporating a clock correction technique
10/07/2008US7433433 Channel estimation by adaptive interpolation
10/07/2008US7433431 Staggered AGC with digitally controlled VGA
10/07/2008US7433429 De-interleaver method and system
10/07/2008US7433428 Method of reducing the variance of the signal-to-noise rate estimated for a signal with amplitude differential phase-shift keying modulation
10/07/2008US7433427 Enhanced denoising system utilizing incremental parsing
10/07/2008US7433426 Adaptive hysteresis receiver for a high speed digital signal
10/07/2008US7433425 Adaptive signal tuning for digital radio receivers operating, in FM bands
10/07/2008US7433424 Signal receiving apparatus and method and recording medium
10/07/2008US7433423 Multiple trellis coded differential unitary space-time modulation
10/07/2008US7433419 ICI cancellation method for an OFDM system
10/07/2008US7433417 Receiver with a signal path
10/07/2008US7433415 System and method for transmission and reception of QAM signals at low signal to noise ratio
10/07/2008US7433413 Data transmission apparatus and method in an OFDM communication system
10/07/2008US7433395 Reliable multicarrier communication in the presence of timing phase error
10/07/2008US7433389 Methods and apparatus for spread spectrum signal processing using a reconfigurable coprocessor
10/07/2008US7433384 System and method for received signal prediction in wireless communications system
10/07/2008US7433383 Techniques to detect radar in a communication signal
10/07/2008US7433297 Wireless internet access system and method
10/07/2008US7433296 Mode detection for OFDM signals
10/07/2008US7432803 Wireless control system and method thereof
10/07/2008CA2428576C Transmitter for multi-carrier transmission and multi-carrier transmitting method
10/07/2008CA2361247C Transmitter, transmitting method, receiver, and receiving method for mc-cdma communication system
10/07/2008CA2263280C Method and apparatus for mobile satellite communication
10/02/2008WO2008118985A1 Improved frequency offset estimator
10/02/2008WO2008118895A2 Methods and apparatus for performing channel tree operations
10/02/2008WO2008118882A2 Method and apparatus for determining broadcast messages in wireless signals
10/02/2008WO2008118755A1 Methods and apparatus for initial acquisition gain control in a communication system
10/02/2008WO2008118064A2 Measurement of cell-specific reference symbols in the presence of mbms single frequency network transmissions
10/02/2008WO2008118048A1 Methods and arrangements in a digital subscriber line network
10/02/2008WO2008116970A1 Frequency offset correction
10/02/2008WO2008116821A1 Calibration method for non-ideal transceivers
10/02/2008WO2008116353A1 A base station, frame structure and synchronization channel transmittion method for time division duplex systems
10/02/2008WO2008095023A3 Using a single fast hadamard transform to decode access probes from multiple users
10/02/2008WO2008089595A8 Time domain interpolation method and apparatus for channel estimation
10/02/2008WO2008058150A3 Cell search based on beacon in a wireless communication system
10/02/2008WO2008051965A3 Progressive information beacon symbols
10/02/2008WO2008050089A3 Telecommunication system with simplified receiver
10/02/2008WO2008027957A3 Notch filtering for ofdm system with null postfix
10/02/2008WO2008024186A3 Method and system for data transmission with decreased bit error rate
10/02/2008WO2008009013A3 Apparatus for transmitting multiple cdma channels
10/02/2008WO2008002925A3 Early energy measurement
10/02/2008US20080242256 Suppression of adjacent channel interference by adaptive channel filtering in mobile radio receivers
10/02/2008US20080242250 Receiver For a Multi-Carrier Signal
10/02/2008US20080240729 Data transmission system and transmission code generating method for the same
10/02/2008US20080240410 Systems and method for orthogonal frequency divisional multiplexing
10/02/2008US20080240312 Radio receiver having a multi-state variable threshold automatic gain control (agc) for fast channel scanning acquisition and method for using same
10/02/2008US20080240311 Frequency offset correction
10/02/2008US20080240310 Method for estimating and compensating frequency offset and frequency offset estimation module
10/02/2008US20080240309 Efficient and flexible numerical controlled oscillators for navigational receivers
10/02/2008US20080240308 Apparatus and method for estimating channel using sliding windows in a broadband wireless communication system
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