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Class Information
Number: 370/482
Name: Multiplex communications > Communication techniques for information carried in plural channels > Combining or distributing information via frequency channels > Particular carrier generation
Description: Subject matter including features specific to a generation of a basic frequency wave (carrier wave); such basic wave is modulated by an information bearing signal (modulating signal) in a modulation process.

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8688153 Signal transmission apparatus, electronic device, and signal transmission method Apr. 1, 2014
8654707 Method and system of implementing a radio network in unlicensed spectrum Feb. 18, 2014
8644399 Transmission apparatus, transmission method, reception apparatus, reception method, and transmission system Feb. 4, 2014
8626225 Power headroom reporting for carrier aggregation Jan. 7, 2014
8619844 Method for reducing interferences between a first carrier current signal transmitted between modems of a power grid and a second signal transmitted between modems of another grid Dec. 31, 2013
8605835 Receiver device, integrated circuit, receiving method, and receiving program Dec. 10, 2013
8559297 User apparatus, base station apparatus, and communication control method for controlling coverage area and data rate according to environments Oct. 15, 2013
8515382 Power line communication methods and devices Aug. 20, 2013
8494006 Method and apparatus for transmitting downlink reference signal in wireless communication system supporting multiple antennas Jul. 23, 2013
8494129 Communication apparatus, integrated circuit, and communication method Jul. 23, 2013
8483294 Method and apparatus for transmitting and receiving common control channels in a mobile communication system Jul. 9, 2013
8477808 Method and apparatus of assigning in wireless communication systems Jul. 2, 2013
8472425 System, method and apparatus for an efficient information broadcast in a multi-carrier wireless network Jun. 25, 2013
8462760 Method and device for controlling signal transmission Jun. 11, 2013
8363800 Communication apparatus, integrated circuit, and communication method Jan. 29, 2013
8340014 Method for transmitting and receiving signals using multi-band radio frequencies Dec. 25, 2012
8320314 Method for efficiently performing initial access in a multi-carrier broadband wireless access system Nov. 27, 2012
8275344 Power line communication methods and devices Sep. 25, 2012
8229052 Apparatus and method for transmitting/receiving secondary synchronization channel in a broadband wireless communication system Jul. 24, 2012
8208397 Efficient uplink transmission of channel state information Jun. 26, 2012
8185085 Power line communication methods and devices May. 22, 2012
8170064 Method and apparatus for orthogonal frequency division multiplexing communication May. 1, 2012
8155224 Transmission method, transmission apparatus, and reception apparatus Apr. 10, 2012
8140049 Power line communication methods and devices Mar. 20, 2012
8102882 Subcarrier truncating data transmission scheme in OFDM system Jan. 24, 2012
8102755 Method for mapping a physical downlink control format indicator channel to physical resources Jan. 24, 2012
8073065 Radio transmitting apparatus and multicarrier signal generating method Dec. 6, 2011
8050291 System and method for indoor wireless service distribution via ultra-wideband signals, and aggregation of combined digital signals for wireless service Nov. 1, 2011
8014422 Method and system for utilizing a single PLL to clock an array of DDFS for multi-protocol applications Sep. 6, 2011
8000273 Method for transmitting uplink sounding reference signal for LTE system Aug. 16, 2011
7924990 Communication apparatus, integrated circuit, and communication method Apr. 12, 2011
7885633 Power line communication methods and devices Feb. 8, 2011
7821914 Method of generation and set of implementation efficient preambles for OFDM systems Oct. 26, 2010
7764593 Downlink signal configuring method and device in mobile communication system, and synchronization and cell searching method and device using the same Jul. 27, 2010
7706428 Low complexity inter-carrier interference cancellation Apr. 27, 2010
7634023 Orthogonal frequency digital multiplexing correlation canceller Dec. 15, 2009
7593473 Tree structured multicarrier multiple access systems Sep. 22, 2009
7558327 Pattern position measuring device, method, and program, and record medium on which the program is recorded Jul. 7, 2009
7450489 Multiple-antenna communication systems and methods for communicating in wireless local area networks that include single-antenna communication devices Nov. 11, 2008
7426242 Orthogonal frequency digital multiplexing correlation canceller Sep. 16, 2008
7400651 Device and method for interpolating frequency components of signal Jul. 15, 2008
7327765 Home phone line networking next generation enhancements Feb. 5, 2008
7269127 Preamble structures for single-input, single-output (SISO) and multi-input, multi-output (MIMO) communication systems Sep. 11, 2007
7230993 Method and apparatus for modulation using an at least four-dimensional signal constellation Jun. 12, 2007
7187734 Method of slip compensation for integer frequency offset correction in a wireless communication system Mar. 6, 2007
7035288 Modulation of a pilot carrier, and means to perform this modulation Apr. 25, 2006
7031250 Method and apparatus for channel estimation Apr. 18, 2006
7016298 Signal transmission/reception system of orthogonal frequency division multiplexing Mar. 21, 2006
7012505 Method and system for communication on a power distribution line Mar. 14, 2006
6993317 Method and system for signal repeating in powerline communications Jan. 31, 2006

1 2 3

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