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Browse by Category: Main > Communications
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:
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Patent Number Title Of Patent Date Issued
7835476 Method for receiving OFDM signal, and receiver Nov. 16, 2010
7830783 Method and circuit for reducing the crest factor Nov. 9, 2010
7826572 Dynamic optimization of overlap-and-add length Nov. 2, 2010
7822133 Orthogonal frequency division multiplexing (OFDM) receiver, OFDM reception method and terrestrial digital receiver Oct. 26, 2010
7822007 Transmitter in FDMA communication system and method for configuring pilot channel Oct. 26, 2010
7821917 Method and apparatus for data and pilot structures supporting equalization Oct. 26, 2010
7821916 Timing and frequency acquisition for mediaflo systems Oct. 26, 2010
7821915 Channel tracking in an OFDM wireless receiver Oct. 26, 2010
7817733 Method and system for peak power reduction Oct. 19, 2010
7813315 Spectrum sharing in a wireless communication network Oct. 12, 2010
7809078 OFDM modulator Oct. 5, 2010
7808886 Pilot signal in an FDMA communication system Oct. 5, 2010
7808885 Method of transmitting OFDM signal and transmitter and receiver thereof Oct. 5, 2010
7804912 Method and apparatus for encryption of over-the-air communications in a wireless communication system Sep. 28, 2010
7804765 High rate OFDM communications with a variable cyclic prefix Sep. 28, 2010
7804764 Transmitter and receiver Sep. 28, 2010
7801230 Channel estimation method and apparatus in an orthogonal frequency division multiplexing (OFDM) wireless communication system Sep. 21, 2010
7801228 Analog fourier transform channelizer and OFDM receiver Sep. 21, 2010
7801226 Frequency overlay communication system and transmission/reception method thereof Sep. 21, 2010
7801020 Mobile channel estimation algorithm for DVB-H COFDM demodulator Sep. 21, 2010
7801019 Adaptive time diversity and spatial diversity for OFDM Sep. 21, 2010
7796577 Method for designing operation schedules of FFT and MIMO-OFDM modem thereof Sep. 14, 2010
7796498 Weighted tone reservation for OFDM PAPR reduction Sep. 14, 2010
7787558 Rapid re-synchronization of communication channels Aug. 31, 2010
7782752 Pilot based sampling frequency offset estimation and correction for an OFDM system Aug. 24, 2010
7778350 Multi-carrier communication device, and multi-carrier communication method Aug. 17, 2010
7778153 Method for estimating transmission delay and receiver using the same Aug. 17, 2010
7778152 Non-intrusive method and system for coupling powerline communications signals to a powerline network Aug. 17, 2010
7778151 Efficient scheduling request channel for wireless networks Aug. 17, 2010
7778148 Method for allocating physical hybrid automatic repeat request indicator channel Aug. 17, 2010
7773679 Base station methods and apparatus for DC tone special treatment Aug. 10, 2010
7773499 Channel estimation in a multicarrier radio receiver Aug. 10, 2010
7764744 Apparatus and method for extending number of antennas in a wireless communication system using multiple antennas Jul. 27, 2010
7764742 Notch filtering for OFDM system with null postfix Jul. 27, 2010
7760811 Radio transmission device, radio reception device, radio transmission method, and radio reception method Jul. 20, 2010
7760616 Extracting the phase of an OFDM signal sample Jul. 20, 2010
7756215 Radio communication base station apparatus and radio communication method in multi-carrier communications Jul. 13, 2010
7756211 Channel estimation method in a MIMO wireless communication system Jul. 13, 2010
7756209 Apparatus, method, and program for identifying modulation mode Jul. 13, 2010
7756007 Method to improve channel estimate in broadband SIMO/MIMO cellular radio networks during abrupt interference variations Jul. 13, 2010
7756006 Communication device Jul. 13, 2010
7756001 Apparatus and method of deciding received symbol in M-PSK system Jul. 13, 2010
7751309 WIC and LIC estimation in MediaFLO systems Jul. 6, 2010
7751304 Apparatus and method for transmitting/receiving pilot code pattern for identification of base station in communication system using orthogonal frequency division multiplexing scheme Jul. 6, 2010
7746948 Wireless communication apparatus and wireless communication method Jun. 29, 2010
7746761 Techniques to generate constant envelope multicarrier transmission for wireless networks Jun. 29, 2010
7742391 Apparatus and method for estimating frequency offset Jun. 22, 2010
7742386 Multiple channel interference cancellation Jun. 22, 2010
7738573 System and method for crest factor reduction Jun. 15, 2010
7738358 Interference suppressing OFDM method for wireless communications Jun. 15, 2010

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