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)
10/2010
10/27/2010EP2244407A2 Method and transmitter structure reducing ambiguity by repetition rearrangement in the symbol domain
10/27/2010EP2244393A2 Method for transmitting sub-frame designation information to a downlink in a radio communication system
10/27/2010EP2244380A1 Predistorter
10/27/2010EP2243269A1 Radiofrequency transmission system
10/27/2010EP2243268A1 Radiofrequency emission system
10/27/2010EP2243267A1 Method for uplink transmission in ofdm(a) system
10/27/2010EP2243266A2 Apparatus and method for estimating i/q unbalance parameters in ofdm receiver
10/27/2010EP2243265A1 Method for uplink transmission in ofdm(a) system
10/27/2010EP2243264A1 Frequency error estimation
10/27/2010EP2243228A2 Open-loop transmit diversity schemes with four transmit antennas
10/27/2010EP1685665B1 Enhancing signals
10/27/2010CN1841922B 半导体集成电路 The semiconductor integrated circuit
10/27/2010CN101874393A Apparatus for transmitting and receiving a signal and method for transmitting and receiving a signal
10/27/2010CN101874392A Pn phase recovery in a DMB-T system
10/27/2010CN101874391A Optimal two-layer coherent demodulation for D-PSK
10/27/2010CN101874390A Demodulation device, reception device, and demodulation method
10/27/2010CN101874381A Time-frequency synchronization and frame number detection for DMB-T systems
10/27/2010CN101874360A Method and device for data processing and communication system comprising such device
10/27/2010CN101874359A Method and device for data processing in xdsl system
10/27/2010CN101873706A Method for feeding back identified/unidentified message in multi-carrier system
10/27/2010CN101873701A Interference suppression method of OFDM (Orthogonal Frequency Division Multiplexing) relay network
10/27/2010CN101873697A Resource mapping method
10/27/2010CN101873296A Method, system and device for implementing orthogonal optical mark switching technique
10/27/2010CN101873295A Signal processing method and device as well as signal receiving method and receiving machine
10/27/2010CN101873294A Method for obtaining sub-information channel modulation code and data transmission method for wireless local area network
10/27/2010CN101873293A Non-sinusoidal time domain orthogonal demodulation signal synchronization method
10/27/2010CN101873292A Signal emission and reception method of transform domain communication system and functional module framework
10/27/2010CN101873291A Method, apparatus and computer program product for interference avoidance in uplink coordinated multi-point reception
10/27/2010CN101873290A Novel frequency estimation algorithm
10/27/2010CN101873289A Novel fast frame synchronization algorithm
10/27/2010CN101873288A Method and device for code acquisition
10/27/2010CN101873287A Baseband OFDM (Orthogonal Frequency Division Multiplexing) communication system teaching platform
10/27/2010CN101873286A Half-duplex modem compatible with FM and FM/Chirp modulation
10/27/2010CN101873285A Device and method for correcting frequency offset
10/27/2010CN101873283A Carrier recovery device and related method thereof
10/27/2010CN101873277A VLSI structure suitable for suppressing channel estimation and equalization algorithms of long echo in DTMB system
10/27/2010CN101873209A Multi-antenna retransmission method and device
10/27/2010CN101873204A CSI-RS (Channel Status Information-Reference Signal) pilot frequency mode design of OFDM (Orthogonal Frequency Division Multiplexing) system
10/27/2010CN101873201A Multi-antenna diversity method and device
10/27/2010CN101873171A Control device and method of delay interferometer of DPSK (Differential Phase Shift Keying)/DQPSK (Differential Quadrature-Phase Shift Keying) module
10/27/2010CN101873152A Doppler frequency shift estimation method based on optimal bandwidth filtering pretreatment
10/27/2010CN101873150A Method for transmitting data over voice channel
10/27/2010CN101420408B Interference resistant modulation method for digital television terrestrial broadcast transmitter
10/27/2010CN101383803B Digital television ground broadcast transmitter space-frequency modulation method based on embedded training sequence
10/27/2010CN101312443B System and method for equalization and demodulation of orthogonal frequency division multiplexing communication
10/27/2010CN101073233B Method and system for type identification of DSL modem
10/27/2010CN101064578B OFDMA communication apparatus
10/27/2010CN101043235B Method for controlling emission power of pilot signal
10/26/2010US7823047 Device and method for generating a base band signal and program causing computer to execute the method
10/26/2010US7822156 Channel estimation
10/26/2010US7822154 Signal, interference and noise power measurement
10/26/2010US7822153 Automatic gain control apparatus and method in an orthogonal frequency division multiple access system
10/26/2010US7822152 Symbol timing detection method and apparatus, and preamble detection method and apparatus
10/26/2010US7822151 Reception device
10/26/2010US7822150 Spherical decoder for wireless communications
10/26/2010US7822149 Method to enable single frequency network optimization
10/26/2010US7822148 MIMO-adapted distributed antenna system
10/26/2010US7822145 Method and system for generating synthetic wavefront phase/time delta of arrival
10/26/2010US7822144 Communication system having reduced delay time
10/26/2010US7822142 Method and device for cancelling interference in wireless communication system
10/26/2010US7822137 System and method for symbol rate estimation using vector velocity
10/26/2010US7822136 System and method for reducing peak-to-average power ratio for multi-carrier communication systems
10/26/2010US7822135 MIMO transmitter and method for transmitting an OFDM symbol in accordance with an IEEE 802.11 communication standard over a plurality of spatial channels
10/26/2010US7822134 Digital broadcasting system and method of processing data
10/26/2010US7822131 Reducing a peak-to-average ratio of a signal
10/26/2010US7822129 Constructive method of peak power reduction in multicarrier transmission
10/26/2010US7822127 Method and apparatus for minimizing signal loss in transit
10/26/2010US7822112 Apparatus for and method of controlling a feedforward filter of an equalizer
10/26/2010US7822102 Method and system for an efficient channel quantization method for MIMO pre-coding systems
10/26/2010US7822101 Method and apparatus for interference suppression in a wireless communication receiver
10/26/2010US7821982 Packet communications taking into account channel quality and buffered data amount
10/26/2010US7821918 System and method for communication channel and device control via an existing audio channel
10/26/2010CA2401180C A modulation scheme for fdd/tdd transceivers
10/21/2010WO2010120890A2 Phase tracking in frequency domain in a wireless communication system
10/21/2010WO2010120692A1 Physical layer frame format for wlan
10/21/2010WO2010120135A2 Center frequency control method in wireless access system
10/21/2010WO2010120098A2 Non-coherent detection apparatus and method for ieee 802.15.4 lr-wpan bpsk receiver
10/21/2010WO2010120092A2 Method for transmitting and receiving data in wireless communication system
10/21/2010WO2010120076A2 Method for transmitting and receiving data in a wireless communication system
10/21/2010WO2010119394A1 Improved blind modulation detection
10/21/2010WO2010119047A1 Method and device for processing a digital complex modulated signal within a polar modulation transmission chain
10/21/2010WO2010118779A1 Method and receiver for jointly decoding received communication signals using maximum likelihood detection
10/21/2010WO2010118596A1 Method and device for correcting frequency offset
10/21/2010WO2010118590A1 Method for indicating the bit mapping
10/21/2010WO2010118588A1 Channel estimation method and device of orthogonal frequency division multiplexing system
10/21/2010WO2010083451A3 Method and apparatus for transmitting overload indicator over the air
10/21/2010WO2009123989A3 Apparatus and method for area and speed efficient fast fourier transform (fft) processoring with runtime and static programmability of number of points
10/21/2010US20100266282 Parallel Digital Coherent Detection Using Symmetrical Optical Interleaver and Direct Optical Down Conversion
10/21/2010US20100266076 Frequency offset acquisition method and apparatus thereof
10/21/2010US20100266075 Infrared signal decode circuit and infrared signal decode method
10/21/2010US20100266074 Method for determining characteristics of signal and apparatus using the same
10/21/2010US20100266073 Accelerated turbo transceiver and method for mimo system
10/21/2010US20100266072 Method and apparatus for receiving signal for mimo system
10/21/2010US20100266071 Method and apparatus for generating soft bit values in reduced-state equalizers
10/21/2010US20100266070 Semiconductor device
10/21/2010US20100266069 Iterative receiver and iterative decoder
10/21/2010US20100266068 Low-IF terrestrial data receiver and related communication systems and methods
10/21/2010US20100266067 Compensator unit and compensation method for i/q imbalance errors
10/21/2010US20100266066 Power amplifier and radio wave transmitter having the same
10/21/2010US20100266065 Radio communication system, reception device, and reception method
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