Patents for H04L 27 - Modulated-carrier systems (89,721) |
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04/10/2008 | US20080084941 Techniques to efficiently transmit control messages to idle and sleep mode users in ofdma based wireless networks |
04/10/2008 | US20080084939 Sample Buffer Size Reduction for Synchronized DMT-VDSL With Shared FFT Compute Units |
04/10/2008 | US20080084938 Intersymbol interference mitigation |
04/10/2008 | US20080084922 Multiprotocol multiplex wireless communication apparatus and methods |
04/10/2008 | US20080084917 Method for interference control by an ultra-wideband wireless communication system in a multi-user environment and a receiver for performing the same |
04/10/2008 | DE102007045090A1 Modulatoranordnung und Verfahren zur Signalmodulation Modulator arrangement and method for signal modulation |
04/10/2008 | DE102007044627A1 Frequenzsynthesizer und Verfahren Frequency synthesizer and method |
04/10/2008 | DE102006057602B3 Wireless data transmission method for use in radio frequency identification system, involves assigning time durations to symbol values and selecting data transmission protocol type by describing configuration register in passive transponder |
04/10/2008 | DE102006030915B4 Optischer Empfänger für den Empfang eines Signales mit M-wertiger sternförmiger Quadratur-Amplitudenmodulation mit differenzieller Phasenkodierung und dessen Verwendung An optical receiver for the reception of a signal with m-valent stellate quadrature amplitude modulation with differential phase coding and the use thereof |
04/10/2008 | CA2787754A1 Method and apparatus for processing primary and secondary synchronization signals for wireless communication |
04/10/2008 | CA2665679A1 Scrambled cazac sequences for sc-fdma |
04/10/2008 | CA2665218A1 Method and apparatus for processing primary and secondary synchronization signals for wireless communication |
04/10/2008 | CA2663625A1 Synchronization transmissions in a wireless communication system |
04/09/2008 | EP1909448A2 Apparatus for Transmitting and Receiving Data to Provide High-Speed Data Communication and Method Thereof |
04/09/2008 | EP1909447A1 Peak-to-average power reduction technique |
04/09/2008 | EP1909446A2 Mobile communication system and its signal transfer method |
04/09/2008 | EP1909445A2 Mismatch detection in a PSK receiver |
04/09/2008 | EP1909405A1 Multi-carrier transmission system |
04/09/2008 | EP1909397A1 Demodulation of AM and FM using the Teager-Kaiser operator |
04/09/2008 | EP1908244A1 Bit-operated rearrangement diversity for aico mapping |
04/09/2008 | EP1908243A1 Co-channel interference mitigation for ofdm |
04/09/2008 | EP1908242A2 Method and apparatus for transmitting pilot symbols in wireless communication system |
04/09/2008 | EP1908241A2 Method for transmitting/receiving signal having spread training symbol in mobile communication system |
04/09/2008 | EP1908240A2 Techniques to transmit data rate control signals for multi-carrier wireless systems |
04/09/2008 | EP1908238A2 A method of transmitting and receiving data in a multi-carrier system |
04/09/2008 | EP1908237A1 Distance-dependent spectra with uniform sampling spectrometry |
04/09/2008 | EP1908236A2 Composite crest factor reduction |
04/09/2008 | EP1908164A1 A method for modulating phase or frequency in a communication system using clock division |
04/09/2008 | EP1692779A4 Direct-sequence cdma method and device |
04/09/2008 | EP1293058A4 System and method for peak power reduction in multiple carrier communications systems |
04/09/2008 | EP1264410B1 Device for linearising a high-frequency amplifier |
04/09/2008 | CN201045756Y Transmitter and receiver for implementing space-time processing using asymmetrical modulation and encoding strategy |
04/09/2008 | CN101160899A Increasing channel capacity without needing to reduce signal to noise margin due to inter-symbol interference (isi) by using three states +1, -1 and no |
04/09/2008 | CN101160898A Timing synchronization and channel estimation at a transition between local and wide area waveforms using a designated tdm pilot |
04/09/2008 | CN101160897A Frame synchronization in OFDM system |
04/09/2008 | CN101160896A Method, apparatus, and system for transmitting and receiving data in a digital broadcasting system using a single frequency network |
04/09/2008 | CN101160895A Trend influenced symbol time tracking for an OFDM communication system |
04/09/2008 | CN101160894A Efficient method to compute one shot frequency estimate |
04/09/2008 | CN101160893A Symbol time tracking for an OFDM communication system |
04/09/2008 | CN101160892A Efficient employment of digital upsampling using ifft in OFDM systems for simpler analog filtering |
04/09/2008 | CN101160891A Method and arrangement for recovering a binary dc-free code from a frequency modulated signal |
04/09/2008 | CN101160890A Wireless device using same carrier wave for transmission and reception |
04/09/2008 | CN101160889A Method of determining the location of the fft window and the delay spread for the platinum broadcast channel estimator |
04/09/2008 | CN101160749A Systems and methods for beamforming in multi-input multi-output communication systems |
04/09/2008 | CN101160748A Transmission method and transmission system |
04/09/2008 | CN101159728A Robust transmission mode |
04/09/2008 | CN101159727A IQ data transmission apparatus and method |
04/09/2008 | CN101159726A Apparatus and method for quantization in digital communication system |
04/09/2008 | CN101159643A Wireless transmitter, wireless receiver, wireless communication system, and wireless signal control method |
04/09/2008 | CN101159488A Physical broadcasting channel transmitting method of TDD system |
04/09/2008 | CN101159470A Method of mapping downlink control signaling indication channel to physical resource |
04/09/2008 | CN101159469A Method and system for channel estimation of transmission channels by means of complementary sequences |
04/09/2008 | CN101159467A Receiving method of deleting parallel subchannel transmitting interference |
04/09/2008 | CN101159024A Semiconductor integrated circuit device and receiving device |
04/09/2008 | CN100380957C Orthogonal frequency division multiplexing transmitter with modified pseudo-random noise sequence and inserted code element |
04/09/2008 | CN100380899C Wireless receiving device shared by peripheral equipment of computer |
04/09/2008 | CN100380856C A simplified decoder for a bit interleaved COFDM-MIMO system |
04/09/2008 | CN100380833C Generator and generating method for superwide band pulse sequence, data communication apparatus and method |
04/09/2008 | CN100380832C Variable-length correlator for spread-spectrum communications |
04/09/2008 | CN100380822C Uwb transceiving apparatus and method for dynamically reducing interference |
04/09/2008 | CN100380821C Downward compatible AM broadcast digitalized transmission method |
04/09/2008 | CN100380816C Soft demodulation method and apparatus |
04/09/2008 | CN100380808C Interference estimation and scaling for efficient metric storage and interference immunity |
04/09/2008 | CN100380805C FM signal receriver and wireless communication device using the receiver |
04/08/2008 | USRE40231 High data spread spectrum transceiver and associated methods |
04/08/2008 | US7356324 Mobile radio receiver device |
04/08/2008 | US7356110 Gain control method for a receiver of signals transmitted in bursts and receiver exploiting it |
04/08/2008 | US7356103 Signal processing circuit and quadrature demodulation apparatus and method of estimating error thereof |
04/08/2008 | US7356102 Gain compensation over temperature and frequency variations in wireless transceivers |
04/08/2008 | US7356101 Apparatus and a method for calculation of a correlation value corresponding to a frequency error, and a recording medium with a recorded correlation value calculation program |
04/08/2008 | US7356100 Estimating channel impulse response and equalizer coefficients in UWB communication systems |
04/08/2008 | US7356099 Method for processing protocol data units in a high-speed downlink packet access communication system |
04/08/2008 | US7356098 Method, communication system and communication unit for synchronisation for multi-rate communication |
04/08/2008 | US7356096 Multiple hypothesis channel estimation and prediction for OFDM systems |
04/08/2008 | US7356094 Digital broadcast receiving apparatus |
04/08/2008 | US7356093 Enhanced wireless communication system and method thereof |
04/08/2008 | US7356092 Wireless communication system and communication semiconductor integrated circuit device |
04/08/2008 | US7356091 Apparatus, methods and articles of manufacture for signal propagation using unwrapped phase |
04/08/2008 | US7356090 Transmission/reception apparatus for a wireless communication system with three transmission antennas |
04/08/2008 | US7356089 Phase offset spatial multiplexing |
04/08/2008 | US7356087 Bit mapping for variable-size higher-order digital modulations |
04/08/2008 | US7356069 Spread spectrum demodulation using a subsampling communication receiver architecture |
04/08/2008 | US7356017 Data loading method, transmitter, and base station |
04/08/2008 | US7355993 Method and apparatus for forward link gain control in a power controlled repeater |
04/08/2008 | US7355964 Systems for contention-based bandwidth requests in orthogonal frequency division multiplexing systems |
04/08/2008 | US7355963 Tone allocation in multipoint-to-point communication using orthgonal frequency division multiplexing |
04/08/2008 | US7355962 Multi-carrier communications with group-based subcarrier allocation |
04/08/2008 | US7355961 Method and arrangement for digital signal transmission using layered space-time codes |
04/08/2008 | US7355960 Channel estimation apparatus and method for adaptive channel allocation in an orthogonal frequency division multiple access system |
04/08/2008 | US7355959 Interference suppression for OFDM-based UWB communication |
04/08/2008 | US7355958 Blind OFDM channel estimation and identification using receiver diversity |
04/08/2008 | CA2311349C Hierarchical transmission digital demodulator |
04/08/2008 | CA2300449C Apparatus and method for generating transmitter antenna weights |
04/03/2008 | WO2008039952A1 Methods and apparatus for configuring a pilot symbol in a wireless communication system |
04/03/2008 | WO2008039951A1 Methods and apparatus for transmitting a frame structure in a wireless communication system |
04/03/2008 | WO2008039183A1 Systems and methods for controlling a dc motor |
04/03/2008 | WO2008039142A1 Contention based random access method with autonomous carrier selection |
04/03/2008 | WO2008039125A1 Method and system for reducing adjacent channel interference using time division duplex (tdd) |
04/03/2008 | WO2008039097A1 Channel quality assessment method in ofdm(a) communications and a corresponding system |
04/03/2008 | WO2008039096A1 Interfering base stations recognition method and scheme for 802.16e systems |