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Class Information
Number: 375/259
Name: Pulse or digital communications > Systems using alternating or pulsating current
Description: Subject matter using alternating, sine, or similar wave currents or using pulsating currents in the transmission and reception of pulse or digital communications.










Sub-classes under this class:

Class Number Class Name Patents
375/268 Amplitude modulation 173
375/271 Angle modulation 165
375/285 Antinoise or distortion 1,324
375/260 Plural channels for transmission of a single pulse train 5,039


Patents under this class:

Patent Number Title Of Patent Date Issued
8711983 Phase locking loop Apr. 29, 2014
8711969 Global codebook for coordinated multi-point processing Apr. 29, 2014
8711956 Modified continuous phase modulation communications system and related methods Apr. 29, 2014
8711955 Spreading technique applied to broadband mobile communications by satelite relying on DVB-RCS Apr. 29, 2014
8710964 Reception circuit and signal reception method Apr. 29, 2014
8705668 Calculation of soft values for uplink communication Apr. 22, 2014
8705639 Signal monitoring platform Apr. 22, 2014
8705638 Method for signal transmission and user equipment Apr. 22, 2014
8705443 System and method for reduced feedback in multiuser multiple input, multiple output wireless communications Apr. 22, 2014
8693599 Wireless receiving apparatus Apr. 8, 2014
8693575 Wireless precoding methods Apr. 8, 2014
8693572 Method for transmitting signal of orthogonal frequency division multiplexing type, and apparatus applied to the same Apr. 8, 2014
8693561 Receive signal detection of multi-carrier signals Apr. 8, 2014
8693560 Transmission apparatus, transmission method, communication system, and communication method Apr. 8, 2014
8693558 Providing delimiters for low-overhead communication in a network Apr. 8, 2014
8693557 AC coupled clock receiver with common-mode noise rejection Apr. 8, 2014
8693555 Communication system Apr. 8, 2014
8693525 Multi-carrier transmitter for wireless communication Apr. 8, 2014
8693523 QAM CDMA and TDMA communication methods Apr. 8, 2014
8687723 Adaptive signal decompression Apr. 1, 2014
8687720 Treatment process of a multicarrier signal with filter banks for synchronisation by preamble Apr. 1, 2014
8687719 Method and apparatus for OFDM spectral diversity using guard bands Apr. 1, 2014
8687716 Digital signal transmission and reception Apr. 1, 2014
8687714 Method, apparatus, and system for coding and modulating data Apr. 1, 2014
8687713 Optimum radio communication method with radio frame variable control and radio communication system using the same Apr. 1, 2014
8687678 Parameterized codebook with subset restrictions for use with precoding MIMO transmissions Apr. 1, 2014
8681901 Apparatus and method for detecting signal in a spatial multiplexing multiple input multiple output communication system Mar. 25, 2014
8681892 Wireless communication method, wireless transmitter and wireless receiver Mar. 25, 2014
8681883 Communicating over powerline media using spot beamforming Mar. 25, 2014
8681848 Linear system for link training Mar. 25, 2014
8675801 Clock generating circuit, transceiver and related method Mar. 18, 2014
8675783 Low complexity distance metrics for maximum likelihood receivers Mar. 18, 2014
8675780 Multiple input multiple output (MIMO) transmitted signal vector estimation employing Monte Carlo sampling techniques Mar. 18, 2014
8675779 Harmonic transmission of data Mar. 18, 2014
8675762 Method of transforming pre-coded signals for multiple-in-multiple-out wireless communication Mar. 18, 2014
8675753 Symbol synchronization for communication Mar. 18, 2014
8675750 Apparatus and method for reducing peak to average power ratio through recombination of orthogonal frequency division multiplexing symbol Mar. 18, 2014
8675749 Channel estimation in OFDM transmission system and method Mar. 18, 2014
8675742 Method and system for synchronously transmitting asynchronous data Mar. 18, 2014
8675570 Scalable OFDM and OFDMA bandwidth allocation in communication systems Mar. 18, 2014
8670508 Method and system for a low-complexity soft-output MIMO detection Mar. 11, 2014
8670499 Efficient MIMO transmission schemes Mar. 11, 2014
8670498 Method and apparatus for reducing interference in space frequency block coding communication Mar. 11, 2014
8670493 Systems and/or methods of increased privacy wireless communications Mar. 11, 2014
8670492 Data communication system and data communication device Mar. 11, 2014
8665984 Method and system for precoding data Mar. 4, 2014
8665691 Frame and data pattern structure for multi-carrier systems Mar. 4, 2014
8660197 Method of and equipment for compensating carrier frequency offset in an orthogonal frequency division multiplexing wireless radio transmission system Feb. 25, 2014
8660196 Communications system using beamforming Feb. 25, 2014
8660167 Device and method for distortion-robust decoding Feb. 25, 2014











 
 
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