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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
8599912 Apparatus and method for channel estimation in mobile communication system Dec. 3, 2013
8594250 Apparatus and methods for computing constant amplitude zero auto-correlation sequences Nov. 26, 2013
8594167 Determining spectral samples of a finite length sequence at non-uniformly spaced frequencies Nov. 26, 2013
8593938 Ultra-wideband radio reception using variable sampling rates over a spreading sequence cycle Nov. 26, 2013
8588087 Method for positioning mobile devices and apparatus for positioning mobile devices Nov. 19, 2013
8583183 Transmission and reception parameter control Nov. 12, 2013
8582687 System and method for controlling combined radio signals Nov. 12, 2013
8582495 Relay station and radio communication relay method Nov. 12, 2013
8582420 Time domain signal generation Nov. 12, 2013
8577946 Signal receiving apparatus and communication system Nov. 5, 2013
8576961 System and method for adaptive overlap and add length estimation Nov. 5, 2013
8576696 Mobile multimedia broadcast transmission system Nov. 5, 2013
8576692 Transmission of UE-specific reference signal for wireless communication Nov. 5, 2013
8571122 Method and apparatus for multiplexing data and control information in wireless communication systems based on frequency division multiple access Oct. 29, 2013
8565352 Digital IQ imbalance compensation for dual-carrier double conversion receiver Oct. 22, 2013
8565181 Methods and apparatus for multi-carrier communications with efficient control signaling Oct. 22, 2013
8565166 User apparatus, base station apparatus and method Oct. 22, 2013
8565065 Methods and systems for utilizing a multicast/broadcast CID scheduling MAC management message Oct. 22, 2013
8559297 User apparatus, base station apparatus, and communication control method for controlling coverage area and data rate according to environments Oct. 15, 2013
8559296 Method and system for an OFDM joint timing and frequency tracking system Oct. 15, 2013
8559292 Determining of coupling coefficients in a vector transmission system Oct. 15, 2013
8553810 Frequency offset and channel gain tracking for enhanced transmission efficiency Oct. 8, 2013
8553792 Non-coherent space-time trellis-coded modulations for network-coded wireless relay communications Oct. 8, 2013
8553751 Radio equipment controller, radio control method, radio station, and radio communication system Oct. 8, 2013
8553730 Short and long training fields Oct. 8, 2013
8553521 MIMO beamforming-based single carrier frequency division multiple access system Oct. 8, 2013
8549059 In-place fast fourier transform processor Oct. 1, 2013
8548105 Joint time-frequency automatic gain control for wireless communication Oct. 1, 2013
8548081 Methods and apparatus for diversity combining of repeated signals in OFDMA systems Oct. 1, 2013
8547911 Method and system for channel scanning in a wireless communications system Oct. 1, 2013
8547882 Wireless communication apparatus, mobile wireless communications control method, and wireless station Oct. 1, 2013
8547824 Systems and methods for orthogonal frequency divisional multiplexing Oct. 1, 2013
8547823 OFDM/DMT/ digital communications system including partial sequence symbol processing Oct. 1, 2013
8542758 Signal generation device and signal generation method Sep. 24, 2013
8542659 Cyclic shift delays in multi-user packets with resolvable very high throughput long training fields (VHTLTFs) Sep. 24, 2013
8542573 Uplink baseband signal compression method, decompression method, device and system Sep. 24, 2013
8539105 System and method for synchronized content rendering in a multi-node network Sep. 17, 2013
8537658 Method of codebook design and precoder feedback in wireless communication systems Sep. 17, 2013
8532581 Wireless communication apparatus and method for selecting quality-reporting sub-carrier bands based on sub-carrier band quantity information from base station Sep. 10, 2013
8526970 Systems and methods for mobile phone location with digital distributed antenna systems Sep. 3, 2013
8526529 Radio access method for reduced PAPR Sep. 3, 2013
8526412 Frequency division multiplexing of multiple data streams in a wireless multi-carrier communication system Sep. 3, 2013
8520650 Methods and apparatus for OFDM peer discovery Aug. 27, 2013
8520501 Sequence-generating method, and apparatus for same Aug. 27, 2013
8520500 Buffered demod and demap functions Aug. 27, 2013
8520494 Precoding method for reducing uplink PAPR and apparatus thereof Aug. 27, 2013
8514815 Training signals for selecting antennas and beams in MIMO wireless LANs Aug. 20, 2013
8503287 Ultra-wide bandwidth system and method for in-premises wireless networking Aug. 6, 2013
8503284 Pilot arrangement method in mobile radio communication system and transmitter/receiver adopting same Aug. 6, 2013
8498358 Multiple antenna communication system including adaptive updating and changing of codebooks Jul. 30, 2013

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