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)
11/2012
11/14/2012CN1620774B Electronic transmitter/receiver
11/14/2012CN102783210A Wireless base station and adaptive modulation control method thereof
11/14/2012CN102783165A Interference measurement mechanism for frequency reuse in cellular ofdma systems
11/14/2012CN102783113A Frequency-dependent IQ imbalance estimation
11/14/2012CN102783112A Data modulation
11/14/2012CN102783111A Transmitter and method of transmitting
11/14/2012CN102783110A Method and apparatus for transmitting uplink control information in a wireless communication system
11/14/2012CN102783109A Method for transmitting pre-equalized digital data, and transmitting base implementing such a method
11/14/2012CN102783108A Method and apparatus for estimating a Doppler frequency
11/14/2012CN102783102A Compensating for frequency offsets on a base station
11/14/2012CN102783074A Application layer FEC framework for WIGIG
11/14/2012CN102783053A Method and apparatus for defining transceiving timing of a physical channel in a TDD communication system which supports cross-carrier schedulin
11/14/2012CN102781089A Method and system for adjusting downlink subframe boundary
11/14/2012CN102781085A Femtocell power control method based on interference limitation
11/14/2012CN102780673A Timing acquisition and mode and guard detection for an OFDM transmission
11/14/2012CN102780672A Symbol de-mapping methods in multiple-input multiple-output systems
11/14/2012CN102780671A Optical domain signal time delay system based on passive annular resonant cavity and OFDM (Orthogonal Frequency Division Multiplexing) technology
11/14/2012CN102780670A Full-rate multi-hop wireless collaboration relay transmission scheme
11/14/2012CN102780669A Implementation method and device of all-optical OFDM (Orthogonal Frequency Division Multiplexing) signal photosphere network code
11/14/2012CN102780668A Synchronization apparatus and method in wireless network systems
11/14/2012CN102780667A Method and equipment for modulating physical layer of digital interphone
11/14/2012CN102780666A Method for preventing timing jitter of prolate spheroidal wave function (PSWF) pulse modulation signal
11/14/2012CN102780664A Symbol de-mapping methods in multiple-input multiple-output systems
11/14/2012CN102780661A Multi-carrier indoor visible light communication channel balancing method
11/14/2012CN102780660A Channel estimation method and device
11/14/2012CN102780656A Method and device for eliminating multi-symbol subcarrier jamming and performing channel estimation jointly
11/14/2012CN102780655A Method for determining covariance matrix as well as method and system for estimating frequency deviation
11/14/2012CN102780546A Closed-loop double-space-time transmission diversity method based on star-type 16-quadrature amplitude modulation (QAM)
11/14/2012CN102780531A Methods for modulating and demodulating wireless laser communication
11/14/2012CN102780517A Multiple-input multiple-output system and method
11/14/2012CN102780510A Block hybrid multiple access method
11/14/2012CN102437865B Method for improving frequency domain anti-interference performance of direct-spread/frequency-hopping mixed spread frequency system
11/14/2012CN101945080B Method and apparatus for decoding data in a layered modulation system
11/14/2012CN101944975B Distributed Alamouti coding cooperative transmission method based on quasi-orthogonal channel allocation
11/14/2012CN101883075B Cooperative transmission method based on virtual MIMO (Multiple Input Multiple Output) system
11/14/2012CN101854329B Fast demodulation method
11/14/2012CN101835191B Uplink carrier scheduling method for carrier aggregation communication system, base station and user equipment
11/14/2012CN101809453B Analog to digital conversion system
11/14/2012CN101808067B Method and device thereof for receiving and transmitting OFDM signals by using differential data as pilot frequencies
11/14/2012CN101801091B Method and device for allocating resources in OFDM/MIMO system
11/14/2012CN101783778B Method for judging and eliminating co-channel interference of OFDM system
11/14/2012CN101695061B Linearization device and linearization method in broad band multicarrier communication system
11/14/2012CN101682597B Broadcast channel timing detection
11/14/2012CN101635696B VXI bus C-size double-groove width I/Q vector signal generation device
11/14/2012CN101621366B Adaptive transmission method and system for radio communication system
11/14/2012CN101594334B Improved pilot allocation in multi-carrier systems with frequency notching
11/14/2012CN101577563B Method, device and base station for transmitting PMCH in special subframe
11/14/2012CN101573931B Method and apparatus for symbol timing estimation in a wireless communications system
11/14/2012CN101527583B WCDMA downlink channel parameter estimation method
11/14/2012CN101502070B Filter arrangement dependent on occupation of an adjacent band
11/14/2012CN101459645B Detection method based on sub-band in multi-antenna OFDM system
11/14/2012CN101442336B Method and apparatus for reducing peak-to-average ratio
11/14/2012CN101437005B Method for estimating integer multiple frequency deviation with timing error during communication synchronization process
11/14/2012CN101378579B Method for assigning multi-bandwidth terminal of OFDM access system
11/14/2012CN101378376B Wireless communication device, wireless communication method and method for peak suppression
11/14/2012CN101378371B Method for channel estimation of wideband wireless mobile commutation system and channel estimator
11/14/2012CN101374002B Method for constructing synchronous signal of OFDM system
11/14/2012CN101366252B Limiter based analog demodulator
11/14/2012CN101346926B Precoding for segment sensitive scheduling in wireless communication systems
11/14/2012CN101345736B Method of and generator for generating preamble sequences in communication systems
11/14/2012CN101322333B Radio-communication device and radio-communication method
11/14/2012CN101322327B Method, device and system for relay information in wireless relay network
11/14/2012CN101305575B Method and apparatus for normalizing input metric to a channel decoder in a wireless communication system
11/14/2012CN101286753B Lead code sending and receiving method for wideband wireless communication system
11/14/2012CN101282163B Broadband wireless multiple access multiplexing method
11/14/2012CN101257482B Method and device for realizing digital baseband variable velocity to convert modulating system
11/14/2012CN101223752B Apparatus and method for adaptive channel quality feedback in a multicarrier wireless network
11/14/2012CN101136696B Method to generate single carrier frequency division multiple address signal of uplink sharing channel
11/13/2012US8311555 Wireless device, system and method for discriminating radar transmissions from wireless network transmissions and wireless network having radar-avoidance capability
11/13/2012US8311413 High power efficiency optical-wireless transmitter
11/13/2012US8311163 Time-frequency synchronization and frame number detection for DMB-T systems
11/13/2012US8311162 Method and device for interference suppression in user terminal
11/13/2012US8311161 Sphere detector performing depth-first search until terminated
11/13/2012US8311160 Explicit beamformee method and apparatus for MIMO and MISO systems with single data stream
11/13/2012US8311159 Methods and systems for time tracking in OFDM systems
11/13/2012US8311157 Signal recovery circuit
11/13/2012US8311154 Method and apparatus for performing joint detection with a common midamble
11/13/2012US8311153 Circuit and method for improved offset adjustment of differential amplifier within data receiving apparatus
11/13/2012US8311152 Adaptive OFDM receiver based on carrier frequency offset
11/13/2012US8311151 Pulse radio transmission apparatus and transceiver
11/13/2012US8311150 Method for achieving transmission diversity in a multiple antenna system
11/13/2012US8311147 Digital transmitter
11/13/2012US8311146 Radio communication system
11/13/2012US8311145 Bit-error rate in fixed line-rate systems
11/13/2012US8311140 Infrared, CDMA and OFDM signal transmission methods
11/13/2012US8311139 Wireless communication system with multiple transmission antennas using pilot subcarrier allocation
11/13/2012US8311136 Radio wave generator, wireless communication system, radio interference prevention control method, and radio interference prevention control program
11/13/2012US8311133 Method and apparatus for sensing signaling parameters in a wireless communications network
11/13/2012US8311132 Pilot-assisted doppler frequency estimation
11/13/2012US8311082 Wideband digital radio with transmit modulation cancellation
11/13/2012CA2623316C Method and apparatus for pilot communication in a multi-antenna wireless communication system
11/13/2012CA2577811C Joint source-channel coding for multi-carrier modulation
11/13/2012CA2562055C Spatial processing with steering matrices for pseudo-random transmit steering in a multi-antenna communication system
11/13/2012CA2477536C Multiple-input, multiple-output (mimo) systems with multiple transmission modes
11/08/2012WO2012151164A2 Methods of pdcch capacity enhancement in lte systems based on a tp-specific reference signal
11/08/2012WO2012151063A2 Methods and systems of wireless communication with remote radio heads
11/08/2012WO2012150823A2 Method for receiving downlink signal, and user device, and method for transmitting downlink signal, and base station
11/08/2012WO2012150808A2 Method and device for transmitting uplink control information having large payload in wireless access system
11/08/2012WO2012150508A1 Adaptive multi-channel transmitter linearization system using a shared feedback receiver
11/08/2012WO2012150388A1 Method and device for modulating the amplitude of an electromagnetic signal transmitted by a wireless transceiver
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