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Class Information
Number: 370/210
Name: Multiplex communications > Generalized orthogonal or special mathematical techniques > Fourier transform
Description: Subject matter utilizing a special mathematical relationship that provides a connection between information in the frequency domain and the time domain.

Patents under this class:

Patent Number Title Of Patent Date Issued
8149962 Estimating frequency shift Apr. 3, 2012
8149685 Covert OFDM transmission using cyclic prefix Apr. 3, 2012
8149684 Code space sharing among multiple modes of operation Apr. 3, 2012
8144827 Method for determining a residual frequency offset, communication system, method for transmitting a message, transmitter, method for processing a message and receiver Mar. 27, 2012
8144573 Method and system for using the synchronization channel to obtain measurements in a cellular communications system Mar. 27, 2012
8144570 Apparatus, method and computer program product providing multiplexing for data-non-associated control channel Mar. 27, 2012
8139681 Frequency error correction by using remodulation Mar. 20, 2012
8139659 Multiple transmit antenna interleaver design Mar. 20, 2012
8139474 Resource block scheduling in communication networks Mar. 20, 2012
8134914 Subcarrier allocation apparatus and method, subcarrier de-allocation apparatus and method in OFDM system Mar. 13, 2012
8134913 Ultra-wide bandwidth system and method for in-premises wireless networking Mar. 13, 2012
8130948 Addressing of groups of broadcast satellite receivers within a portion of the satellite footprint Mar. 6, 2012
8130876 Method for receiving a multi-carrier signal, transmission method, corresponding receiver and transmitter Mar. 6, 2012
8130850 Wireless transmission device Mar. 6, 2012
8130846 System and method for single-carrier space-frequency block coded transmission over frequency selective and fast fading channels Mar. 6, 2012
8130711 Method for allocating pilots Mar. 6, 2012
8130632 Transmitter and SSB signal generation method Mar. 6, 2012
8130631 Orthogonal frequency division multiplexing synchronization Mar. 6, 2012
8126073 Radio transmission device, radio reception device, radio transmission method, and radio reception method Feb. 28, 2012
8121537 Apparatus and method for uplink channel sounding in a wireless communication system Feb. 21, 2012
8121206 Apparatus and method for estimating delay spread of multi-path fading channel in OFDM system Feb. 21, 2012
8121204 OFDM receivers Feb. 21, 2012
8121023 Coaxial network communication node and methods for communicating multimedia over a coaxial network with reduced-length cyclic prefixes Feb. 21, 2012
8121020 QLM demodulation Feb. 21, 2012
8121018 Signal transmitting method, signal receiving method and signal receiving device in OFDM system Feb. 21, 2012
8121017 Frame and signaling pattern structure for multi-carrier systems Feb. 21, 2012
8116402 Method and system for cognitive radio Feb. 14, 2012
8116390 Apparatus and method for allocating resources and performing communication in a wireless communication system Feb. 14, 2012
8116389 Radio apparatus Feb. 14, 2012
8116195 Transmission and reception of reference preamble signals in OFDMA or OFDM communication systems Feb. 14, 2012
8111607 Frequency division multiplexing system with selectable rate Feb. 7, 2012
8107900 Multi-carrier transmission device Jan. 31, 2012
8107520 Wireless communication apparatus having equalizer Jan. 31, 2012
8107357 Optimized FFT/IFFT module Jan. 31, 2012
8107356 Method and apparatus for transmitting/receiving a signal in an FFH-OFDM communication system Jan. 31, 2012
8102907 Space-frequency equalization for oversampled received signals Jan. 24, 2012
8102757 Wireless communication apparatus Jan. 24, 2012
8102756 Method and apparatus for initial acquisition of signaling parameters for a wireless communications network Jan. 24, 2012
8098570 Spectrum characterization for communication equipment Jan. 17, 2012
8090050 Radio communication system, receiver, receiving method, transmitter, transmitting method, and device for and method of calculating delay times for multi-carrier transmission Jan. 3, 2012
8090034 Transmission apparatus and a reception apparatus in a multicarrier transmission system and a transmission method and a reception method using the multicarrier transmission system Jan. 3, 2012
8089859 Device and method for transmitting and receiving pilot signal in wireless communication system Jan. 3, 2012
8089858 Frame and signalling pattern structure for multi-carrier systems Jan. 3, 2012
8089857 Communication equipment which receives OFDM signal, OFDM-based wireless communication system and method for receiving OFDM signal Jan. 3, 2012
8089855 Transmission of overhead information for broadcast and multicast services in a wireless communication system Jan. 3, 2012
8081686 Scalable spectrum CDMA communication systems and methods with dynamic orthogonal code allocation Dec. 20, 2011
8081561 Signal generating unit and signal receiving unit Dec. 20, 2011
8077781 Apparatus and method for receiving an orthogonal frequency division multiplexed signal Dec. 13, 2011
8077599 Adaptive time diversity and spatial diversity for OFDM Dec. 13, 2011
8064501 Method and apparatus for generating a periodic training signal Nov. 22, 2011

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