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Class Information
Number: 370/203
Name: Multiplex communications > Generalized orthogonal or special mathematical techniques
Description: Subject matter wherein (a) a multiplexed channel is uniquely identified and separated from other multiplexed channels by members of a pair of mathematical functions having a sum of products or having an integral that is zero or sometimes one under specified conditions, or (b) particular mathematical processes are used to achieve multiplexing techniques.

Sub-classes under this class:

Class Number Class Name Patents
370/210 Fourier transform 1,143
370/211 Level multiplex 52
370/208 Particular set of orthogonal functions 2,105
370/204 Plural diverse modulation techniques 479
370/206 Quadrature carriers 592

Patents under this class:

Patent Number Title Of Patent Date Issued
8619890 Data processing apparatus and method for use in a 0.5K mode interleaver in a digital video broadcasting standard including DVB-Terrestrial2 Dec. 31, 2013
8619542 Closed-loop feedback in wireless communications system Dec. 31, 2013
8615391 Method and apparatus to extract important spectral component from audio signal and low bit-rate audio signal coding and/or decoding method and apparatus using the same Dec. 24, 2013
8611476 Phase-adjusted channel estimation for frequency division multiplexed channels Dec. 17, 2013
8611264 Method and apparatus for transmitting data Dec. 17, 2013
8606280 Apparatus and method for allocating resources based on error vector magnitude (EVM) in a broadband wireless communication system Dec. 10, 2013
8605806 Schemes for detecting guard intervals in OFDM system Dec. 10, 2013
8605644 Transmission power control for sounding signal for wireless networks Dec. 10, 2013
8605635 Physical layer frame format design for wideband wireless communications systems Dec. 10, 2013
8605569 Methods for superframe/frame overhead reduction within OFDMA-based communication systems Dec. 10, 2013
8605568 PHY layer options for body area network (BAN) devices Dec. 10, 2013
8594229 Method of generating reference signal in wireless communication system Nov. 26, 2013
8593932 Efficient signal transmission methods and apparatus using a shared transmission resource Nov. 26, 2013
8588201 Method and apparatus for improving RF coverage area in a wireless network Nov. 19, 2013
8588053 Transmitting apparatus, transmission control method, and communication apparatus Nov. 19, 2013
8588052 Method and apparatus for DMT network data transfer Nov. 19, 2013
8583183 Transmission and reception parameter control Nov. 12, 2013
8582417 Pilot pattern design for a STTD scheme in an OFDM system Nov. 12, 2013
8570983 FDD/TDD wireless link for UNII band Oct. 29, 2013
8570946 RF and baseband means buffering data until after demodulating control Oct. 29, 2013
8570852 Method of transmitting control signals in wireless communication system Oct. 29, 2013
8570851 FFT/IFFT clock adjustment Oct. 29, 2013
8565352 Digital IQ imbalance compensation for dual-carrier double conversion receiver Oct. 22, 2013
8565061 Methods and systems for mobile wimax three-way downlink concurrent processing and three-way handover Oct. 22, 2013
8559294 Method and apparatus for major group scheduling in a fixed beam communication system Oct. 15, 2013
8555138 Symbol error detection method Oct. 8, 2013
8554241 Method for avoiding inter-cell interference in a multi-cell environment Oct. 8, 2013
8553792 Non-coherent space-time trellis-coded modulations for network-coded wireless relay communications Oct. 8, 2013
8553523 Method and apparatus for resource mapping and code division multiplexing Oct. 8, 2013
8553522 OFDMA-based radio communication apparatus and learning signal generation method for compensation of non-linear distortion in the radio communication apparatus Oct. 8, 2013
8553521 MIMO beamforming-based single carrier frequency division multiple access system Oct. 8, 2013
8548081 Methods and apparatus for diversity combining of repeated signals in OFDMA systems Oct. 1, 2013
8547901 Method and apparatus for ordered partial detection with MIMO cooperation Oct. 1, 2013
8542758 Signal generation device and signal generation method Sep. 24, 2013
8542639 Frame for flexibly supporting heterogeneous modes and TDD/FDD modes, and method for transmitting signals using the same Sep. 24, 2013
8542570 Apparatus and method for transceiving signals using frame structure in wireless communication system Sep. 24, 2013
8537656 Method for compensating for multi-path of a CDMA reverse link utilizing an orthogonal channel structure 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
8532165 Indicating and detecting the start of signal transmission employing frequency division multiplexing Sep. 10, 2013
8532112 Interleaving for wideband code division multiple access Sep. 10, 2013
8531939 Apparatus and method for transmitting and receiving of cyclic shift parameter for supporting orthogonality in MIMO environment Sep. 10, 2013
8531938 Transmit processing using receiver functions Sep. 10, 2013
8531937 Channel sounding for improved system performance Sep. 10, 2013
8526295 Method, system and device for beam shaping transmission Sep. 3, 2013
8526294 Data exchange device using orthogonal vectors Sep. 3, 2013
8520769 Transmission method, transmission apparatus, reception method, and reception apparatus Aug. 27, 2013
8520750 Transmission method and apparatus for cancelling inter-carrier interference Aug. 27, 2013
8520501 Sequence-generating method, and apparatus for same Aug. 27, 2013
8520493 Device for exchanging data between components of an integrated circuit Aug. 27, 2013
8520492 Method and apparatus for transmitting SRS in LTE TDD system Aug. 27, 2013

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