| |
 |
|
Class Information
Number: 329/304
Name: Demodulators > Phase shift keying or quadrature amplitude demodulator
Description: Subject matter where the demodulator extracts the modulating signal from a signal which has undergone phase shift keying modulation or quadrature amplitude modulation.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7415078 |
Demodulation for phase modulation |
Aug. 19, 2008 |
| 7409015 |
Adaptive modulation scheme based on cutoff rate with imperfect channel state information |
Aug. 5, 2008 |
| RE40376 |
Radio apparatus carrying out automatic gain control and gain control method |
Jun. 10, 2008 |
| 7362814 |
Memoryless spectrum correction algorithm for non-ideal I/Q demodulators |
Apr. 22, 2008 |
| 7336717 |
Receiver circuit, in particular for a mobile radio |
Feb. 26, 2008 |
| 7336731 |
Demodulator with phase-adjusting function |
Feb. 26, 2008 |
| 7336732 |
Carrier frequency detection for signal acquisition |
Feb. 26, 2008 |
| RE39983 |
Carrier injecting waveform-based modulation scheme for reducing satellite transponder power requirements and earth terminal antenna size |
Jan. 1, 2008 |
| 7315578 |
Fast soft value computation methods for gray-mapped QAM |
Jan. 1, 2008 |
| 7315587 |
Demodulation method and apparatus based on differential detection system for .pi./4 shifted QPSK modulated wave |
Jan. 1, 2008 |
| 7308049 |
Method and apparatus for noncoherent signal processing in pilotless wireless systems |
Dec. 11, 2007 |
| 7302013 |
Multi-mode variable rate digital satellite receiver |
Nov. 27, 2007 |
| 7295638 |
Communication device |
Nov. 13, 2007 |
| 7260158 |
Digital broadcast receiver and digital broadcast receiving method |
Aug. 21, 2007 |
| 7251573 |
Phase detector |
Jul. 31, 2007 |
| 7245672 |
Method and apparatus for phase-domain semi-coherent demodulation |
Jul. 17, 2007 |
| 7242729 |
Signal decoding method and apparatus |
Jul. 10, 2007 |
| 7230999 |
Method for extended coherent data demodulation for GPS receivers |
Jun. 12, 2007 |
| 7203253 |
Method and apparatus of cross-correlation |
Apr. 10, 2007 |
| 7200189 |
Method and system for providing adaptive timing recovery for low power application |
Apr. 3, 2007 |
| 7197136 |
Digital portable telephone set |
Mar. 27, 2007 |
| 7190733 |
Memoryless spectrum correction algorithm for non-ideal I/Q demodulators |
Mar. 13, 2007 |
| 7190216 |
Demodulation circuit and receiving set |
Mar. 13, 2007 |
| 7187728 |
Coding method and use of a receiver with a convolutional decoder |
Mar. 6, 2007 |
| 7173981 |
Dual layer signal processing in a layered modulation digital signal system |
Feb. 6, 2007 |
| 7170930 |
Receiver |
Jan. 30, 2007 |
| 7158577 |
Communication system |
Jan. 2, 2007 |
| 7109787 |
High-efficiency circuit for demodulating carriers in quadrature |
Sep. 19, 2006 |
| 7095810 |
Practical M-ary demodulator and method of operation for use in a CDMA wireless network base station |
Aug. 22, 2006 |
| 7095809 |
Practical M-ary demodulator using hard decision circuit and method of operation for use in a CDMA wireless network base station |
Aug. 22, 2006 |
| 7095274 |
System for demodulation of phase shift keying signals |
Aug. 22, 2006 |
| 7092469 |
Synchronization signal detector and method of detection of synchronization signal |
Aug. 15, 2006 |
| 7084714 |
Quadrature modulator and demodulator |
Aug. 1, 2006 |
| 7072426 |
Demodulation apparatus and method in a communication system employing 8-ary PSK modulation |
Jul. 4, 2006 |
| 7065160 |
Method and apparatus for correcting the phase of a clock in a data receiver |
Jun. 20, 2006 |
| 7061993 |
CDMA receiver architecture for lower bypass switch point |
Jun. 13, 2006 |
| 7042954 |
Apparatus and method for calculating soft decision value input to channel decoder in a data communication system |
May. 9, 2006 |
| 7039130 |
RF receiver phase correction circuit using cordic and vector averaging functions and method of operation |
May. 2, 2006 |
| 7031399 |
Demodulator having automatic quadrature control function |
Apr. 18, 2006 |
| 7027502 |
Run-time coefficient generation for digital filter with slewing bandwidth |
Apr. 11, 2006 |
| 7019599 |
Apparatus for continuous phase quadrature amplitude modulation and demodulation |
Mar. 28, 2006 |
| 7016425 |
Quasi-differential modulation/demodulation method for multi-amplitude digital modulated signals and OFDM system |
Mar. 21, 2006 |
| 7006584 |
Demodulator and demodulating method for mobile phone |
Feb. 28, 2006 |
| 6996193 |
Timing error detection circuit, demodulation circuit and methods thereof |
Feb. 7, 2006 |
| 6993096 |
BS digital broadcasting receiver |
Jan. 31, 2006 |
| RE38932 |
Digital demodulator |
Jan. 10, 2006 |
| 6983029 |
Blind channel estimation and data detection for PSK OFDM-based receivers |
Jan. 3, 2006 |
| 6975165 |
Method and system for the conversion of phase shift keying signals (PSK) into amplitude shift keying signals (ASK) |
Dec. 13, 2005 |
| 6965654 |
Frequency offset quantity detecting apparatus |
Nov. 15, 2005 |
| 6922451 |
Frequency shifting circuit and method |
Jul. 26, 2005 |
|
|
|
