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Browse by Category: Main > Communications
Class Information
Number: 455/45
Name: Telecommunications > Transmitter and receiver at separate stations > Frequency or phase modulation > Via subcarrier
Description: Subject matter where an intermediate frequency wave is modulated by a modulating signal representative of an intelligence or message and in turn is applied as a modulation signal to a main carrier wave, either alone or in conjunction with other subcarriers.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8705496 Method and apparatus for controlling transmission and reception of dedicated pilots according to MCS level in a wireless communication system Apr. 22, 2014
8706124 Data path transfer for multiband communication Apr. 22, 2014
8687722 Channel estimation in a multi-user MIMO-OFDM system in the presence of user terminal symbol-specific phase offsets Apr. 1, 2014
8634761 Cross-transport authentication Jan. 21, 2014
8626225 Power headroom reporting for carrier aggregation Jan. 7, 2014
8594574 Digital radio data system receiver methods and apparatus Nov. 26, 2013
8565754 Communication device, communication system, and communication method Oct. 22, 2013
8514694 Method and arrangement in a telecommunication system Aug. 20, 2013
8503373 Localized and distributed allocation multiplexing and control Aug. 6, 2013
RE44390 Two channel communication system using RDS datastream broadcasting Jul. 23, 2013
8477696 Transmission apparatus and transmission method for a downlink channel Jul. 2, 2013
8467728 Method of allocating radio resources in multi-carrier system Jun. 18, 2013
8457572 Audio comparison method and apparatus Jun. 4, 2013
8442439 Method of allocating radio resources in multi-carrier system May. 14, 2013
8437697 Processing of multi-carrier signals before power amplifier amplification May. 7, 2013
8374594 Method and system for radio communications using mobile terminal moving route prediction Feb. 12, 2013
8320320 Method and system for downlink transmission scheduling in multi-carrier networks Nov. 27, 2012
8315568 Digital radio data system receiver methods and apparatus Nov. 20, 2012
8275059 Frequency synchronization apparatus and method in OFDM system Sep. 25, 2012
8275319 Processing of multi-carrier signals before power amplifier amplification Sep. 25, 2012
8265182 Radio transmission device and radio reception device Sep. 11, 2012
8249001 Base station apparatus, mobile station apparatus, and method of assigning subcarriers Aug. 21, 2012
8244192 System and method for wireless communication of magnetic resonance data Aug. 14, 2012
8238811 Cross-transport authentication Aug. 7, 2012
8195465 Time-warping of decoded audio signal after packet loss Jun. 5, 2012
8165594 Resource allocation, scheduling, and signaling for grouping real time services Apr. 24, 2012
8160119 Method and device for anti-interference fighting in a telecommunications system Apr. 17, 2012
8098604 WiMAX based point to multipoint system operating in frequencies below 1 GHz Jan. 17, 2012
8099090 Information system with detachable information module Jan. 17, 2012
8099050 Digital radio data system receiver methods and apparatus Jan. 17, 2012
8090316 Digital FM radio transmitter Jan. 3, 2012
8078458 Packet loss concealment for sub-band predictive coding based on extrapolation of sub-band audio waveforms Dec. 13, 2011
8064833 Radio communication apparatus and method Nov. 22, 2011
8064834 Method of allocating radio resources in multi-carrier system Nov. 22, 2011
8059941 Multiplex DVD player Nov. 15, 2011
8024192 Time-warping of decoded audio signal after packet loss Sep. 20, 2011
8018985 CDMA receivers for the golden code Sep. 13, 2011
8014361 Random access channel for OFDM-MIMO system Sep. 6, 2011
8005678 Re-phasing of decoder states after packet loss Aug. 23, 2011
8000960 Packet loss concealment for sub-band predictive coding based on extrapolation of sub-band audio waveforms Aug. 16, 2011
7986723 Delay estimation apparatus and method Jul. 26, 2011
7986612 Communication terminal apparatus, base station apparatus and reception quality reporting method Jul. 26, 2011
7983355 System and method for RF signal combining and adaptive bit loading for data rate maximization in multi-antenna communication systems Jul. 19, 2011
7979208 Mobile terminal with position measurement function Jul. 12, 2011
7941098 Common data line signaling and method May. 10, 2011
7885645 Information system with detachable information module Feb. 8, 2011
7852815 Voice synchronization during call handoff Dec. 14, 2010
7835696 Adaptive subcarrier loading Nov. 16, 2010
7796016 Radio communication system, radio communication device, and radio communication method Sep. 14, 2010
7773946 Method and apparatus for transmitting/receiving data in a cellular communication system Aug. 10, 2010

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