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Class Information
Number: 370/207
Name: Multiplex communications > Generalized orthogonal or special mathematical techniques > Quadrature carriers > Having a signaling constellation
Description: Subject matter wherein supervisory information is transmitted or received in a symbol pattern different from the symbol pattern carrying the primary information, and wherein the symbol patterns are generated using quadrature modulation technique (e.g., QAM, QPSK, etc.).










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8687751 Multiple-input multiple-output receivers using successive interference cancellation based on cyclic redundancy check Apr. 1, 2014
8659987 Adaptive modulation for fixed wireless link in cable transmission system Feb. 25, 2014
8660199 Method of demodulating a quadrature amplitude modulation signal and method of data communication Feb. 25, 2014
8638654 Method for transmitting downlink control channel in a mobile communication system and a method for mapping the control channel to physical resource using block interleaver in a mobile communic Jan. 28, 2014
8509351 Multi-mode radio frequency modulation circuitry Aug. 13, 2013
8462866 Transmitting apparatus and method, and receiving apparatus and method Jun. 11, 2013
8412125 Wireless communication system with transmit diversity designs Apr. 2, 2013
8396034 Method for determining cell identity in wireless communication system and apparatus therefor Mar. 12, 2013
8379581 Systems and methods for uplink power control Feb. 19, 2013
8379769 Communication system utilizing a hierarchically modulated signal and method thereof Feb. 19, 2013
8374073 Data modulation in a communication system Feb. 12, 2013
8335152 Method and transmission unit for adaptive coding, modulation and transmission of data words in a wireless communication system Dec. 18, 2012
8279955 Systems and methods for calibrating digital baseband DC offset in an OFDM receiver Oct. 2, 2012
8254483 Transmission of ACK/NACK bits and their embedding in the CQI reference signal Aug. 28, 2012
8254245 Method for transmitting downlink control channel in a mobile communications system and a method for mapping the control channel to physical resource using block interleaver in a mobile communi Aug. 28, 2012
8254244 Arrangement and method for transmitting control information in wireless communication systems Aug. 28, 2012
8248909 Method and device for the baseband process of the space-time/space-frequency/spatial diversity transmitter Aug. 21, 2012
8238450 Dynamic transmitter noise level adjustment for digital subscriber line systems Aug. 7, 2012
8218421 Data transmission in a mobile communication system apparatus, system and method Jul. 10, 2012
8179779 Pilot signal allocation method and apparatus for multi-user wireless systems May. 15, 2012
8159969 Systems and methods for high rate OFDM communications using first and second cyclic prefix lengths Apr. 17, 2012
8149938 Transmission of ACK/NACK bits and their embedding in the CQI reference signal Apr. 3, 2012
8144815 Demand-assigned multiple access (DAMA) communication device and associated acquisition methods Mar. 27, 2012
8139472 Bit swap architecture in digital subscriber line communication systems Mar. 20, 2012
8130948 Addressing of groups of broadcast satellite receivers within a portion of the satellite footprint Mar. 6, 2012
8121018 Signal transmitting method, signal receiving method and signal receiving device in OFDM system Feb. 21, 2012
8116389 Radio apparatus Feb. 14, 2012
8116406 Apparatus and method for generating soft bit metric and M-ary QAM receiving system using the same Feb. 14, 2012
8102949 Bit log likelihood ratio evaluation Jan. 24, 2012
8086271 Network architecture for mobile communication network with billing module for shared resources Dec. 27, 2011
8059750 Method and apparatus for generating training sequence code in a communication system Nov. 15, 2011
8050340 Method and a device for dynamically selecting orthogonal functions of an orthogonal transmission system Nov. 1, 2011
8045450 Transmit diversity technique based on channel randomization for OFDM systems Oct. 25, 2011
8023396 Adaptive modulation for fixed wireless link in cable transmission system Sep. 20, 2011
8005091 Apparatus and method of generating and maintaining hybrid connection identifications (IDs) for peer-to-peer wireless networks Aug. 23, 2011
8000222 Wireless communication device adopting OFDM modulation Aug. 16, 2011
8000401 Signal generation using phase-shift based pre-coding Aug. 16, 2011
7991069 Method for adapting filter cut-off frequencies for the transmission of discrete multitone symbols Aug. 2, 2011
7983141 Synchronized multipoint-to-point communication using orthogonal frequency division Jul. 19, 2011
7949069 Method, system and apparatus for applying hybrid ARQ to the control of transmit diversity May. 24, 2011
7924801 Apparatus and method for detecting packet in wireless LAN based on orthogonal frequency division multiplexing Apr. 12, 2011
7889632 Radio communication system and radio communication method Feb. 15, 2011
7848217 Software based spread spectrum signal processing Dec. 7, 2010
7844006 Method of non-uniform doppler compensation for wideband orthogonal frequency division multiplexed signals Nov. 30, 2010
7835262 Multi-band OFDM communications system Nov. 16, 2010
7817532 Adaptive allocation for variable bandwidth multicarrier communication Oct. 19, 2010
7818635 Digital broadcast receiver Oct. 19, 2010
7808882 Method and system for optimized reference signal downlink transmission in a wireless communication system Oct. 5, 2010
7804765 High rate OFDM communications with a variable cyclic prefix Sep. 28, 2010
7804762 Method and apparatus for implementing downlink SDMA in a wireless network Sep. 28, 2010

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