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Class Information
Number: 375/323
Name: Pulse or digital communications > Receivers > Angle modulation > Combined phase shift keyed and frequency shift keyed
Description: Subject matter in which the received carrier has been modulated both as to its phase and frequency.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8712336 Data unit receiver and sender control method Apr. 29, 2014
8654898 Digital equalizer for high-speed serial communications Feb. 18, 2014
8619895 Apparatus and method for transmitting/receiving broadcast data in digital broadcasting system Dec. 31, 2013
8619909 Signal detector using matched filter for training signal detection Dec. 31, 2013
8576903 Techniques for adaptively adjusting decision levels of a PAM-N decision feedback equalizer Nov. 5, 2013
8548097 Coarse phase estimation for highly-spectrally-efficient communications Oct. 1, 2013
8488722 Communication signal decoding and soft demapping methods and systems Jul. 16, 2013
8457255 Method and system for applying Viterbi type PSK demodulation for optimum correlation of GPS signals Jun. 4, 2013
8385445 Method for processing digital signals, and transmission/reception system implementing said method Feb. 26, 2013
8275073 Methods and systems to discriminate between PSK and FSK signals Sep. 25, 2012
8248209 Device for communicating between a mobile element and a fixed element Aug. 21, 2012
8116410 Communication signal decoding and soft demapping methods and systems Feb. 14, 2012
8068562 Signal processing for multiple chains including barker code correlation and auto-correlation Nov. 29, 2011
7933358 GFSK/FSK modulation circuit and related method implemented in a digital manner Apr. 26, 2011
7860192 FSK demodulator, FM demodulator, and related method with a build-in band-pass filter Dec. 28, 2010
7792209 Digital DPSK demodulation method and system Sep. 7, 2010
7782815 Method for transmitting an information of a mobile telecommunication system Aug. 24, 2010
7760616 Extracting the phase of an OFDM signal sample Jul. 20, 2010
7756480 System and method for transmitter leak-over cancellation Jul. 13, 2010
7719376 Avoidance of discontinuities when switching between modulation schemes May. 18, 2010
7697466 Base station apparatus, mobile station apparatus, radio communication system, and radio communication method Apr. 13, 2010
7680225 Receiving apparatus and C/N ratio indication method thereof Mar. 16, 2010
7672643 System and method for transmitter leak-over cancellation with closed loop optimization Mar. 2, 2010
7668259 Signal recognition for combined receiver for remote keyless entry and tire pressure monitoring systems Feb. 23, 2010
7646784 Apparatus for estimating frequency offset from received signal and method for the same Jan. 12, 2010
7623594 Satellite receiver system Nov. 24, 2009
7567626 Radio receiver for the reception of data bursts which are modulated with two modulation types Jul. 28, 2009
7492836 Wireless data communication demodulation device and demodulation method Feb. 17, 2009
7486751 Joint time/frequency domain maximum ratio combining architectures for multi input multi output wireless receivers Feb. 3, 2009
7443928 Signal detection using sphere decoding technique Oct. 28, 2008
7424662 Method and system for providing low density parity check (LDPC) encoding Sep. 9, 2008
7424068 Method and system for coding/decoding signals and computer program product therefor Sep. 9, 2008
RE40254 Method and system for realising a fast control channel in a cellular radio network Apr. 22, 2008
7289577 Modulation method and radio communication system Oct. 30, 2007
7280619 Method and apparatus for compensating I/Q imbalance in receivers Oct. 9, 2007
7254187 Narrow band chaotic bi-phase shift keying Aug. 7, 2007
7177364 System, decoder and method for transmitting, receiving and decoding high-speed digital data signals with reduced electromagnetic emissions Feb. 13, 2007
7142617 Narrow band chaotic frequency shift keying Nov. 28, 2006
7139334 Cooperative code-enhanced multi-user communications system Nov. 21, 2006
7039123 Signal demodulation method and apparatus for reproducing data from received signal May. 2, 2006
7035354 CDMA multi-user detection with a real symbol constellation Apr. 25, 2006
7035029 Method of and apparatus for recording/reading information, circuit for recording/reading signal Apr. 25, 2006
7031334 Method and system for realising a fast control channel in a cellular radio network Apr. 18, 2006
6947508 Method and apparatus for estimating the frequency and/or phase of a digital signal Sep. 20, 2005
6937871 Anti-demodulator circuit, filtering device and demodulator circuit Aug. 30, 2005
6928110 Adaptive equalizer training circuit, modem apparatus and communication apparatus Aug. 9, 2005
6611198 Electronic reader for reading a special characteristic of an object Aug. 26, 2003
6522637 System and method for allocating a carrier wave frequency of one channel between two carrier wave frequencies of another channel Feb. 18, 2003
6470056 Offset QPSK modulation analytic system Oct. 22, 2002
6456671 Decision feedback phase tracking demodulation Sep. 24, 2002

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