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Class Information
Number: 375/308
Name: Pulse or digital communications > Transmitters > Angle modulation > Phase shift keying
Description: Subject matter where the carrier wave is modulated by varying its phase in accordance with the pulses to be transmitted.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7627058 |
Alternating quadratures differential binary phase shift keying modulation and demodulation method |
Dec. 1, 2009 |
| 7623000 |
Hybrid linear and polar modulation apparatus |
Nov. 24, 2009 |
| 7606321 |
System and method for simplifying analog processing in a transmitter incorporating a randomization circuit |
Oct. 20, 2009 |
| 7599446 |
Modulation and demodulation based on hierarchical modulation |
Oct. 6, 2009 |
| 7595702 |
Modulation apparatus capable of correcting non-linearity of voltage controlled oscillator |
Sep. 29, 2009 |
| 7596187 |
Digital modulation circuit and method as well as digital demodulation circuit and method |
Sep. 29, 2009 |
| 7586293 |
Digital modulation circuit |
Sep. 8, 2009 |
| 7583894 |
Interferometric operation of electroabsorption modulators |
Sep. 1, 2009 |
| 7570702 |
Signal generation apparatus, systems, and methods |
Aug. 4, 2009 |
| 7564923 |
Frequency offset and method of offsetting |
Jul. 21, 2009 |
| 7555061 |
Optical communication device |
Jun. 30, 2009 |
| 7551903 |
Reflecting modulator circuit comprising a negative impedance amplifier |
Jun. 23, 2009 |
| 7551904 |
Apparatus and method for high efficiency power amplification for a mobile communication system |
Jun. 23, 2009 |
| 7545884 |
Digital baseband modulation apparatus and demodulation apparatus |
Jun. 9, 2009 |
| 7541864 |
Power amplifier and pulse-width modulated amplifier |
Jun. 2, 2009 |
| 7542511 |
Wireless RF link for uncompressed transmission of HDTV signals |
Jun. 2, 2009 |
| 7543213 |
Turbo decoder and dynamic decoding method used for same |
Jun. 2, 2009 |
| 7539271 |
System and method for multi-band ultra-wide band signal generators |
May. 26, 2009 |
| 7539266 |
Phase shift keying wireless communication apparatus and method |
May. 26, 2009 |
| 7535310 |
Distortion compensation circuit |
May. 19, 2009 |
| 7535965 |
Systems and methods for wireless transmission of uncompressed HDTV signals |
May. 19, 2009 |
| 7535973 |
Correction method and correction loop for a complex digital signal |
May. 19, 2009 |
| 7535983 |
Method for identifying the beginning of a UWB pulse sequence |
May. 19, 2009 |
| 7532680 |
Multi-mode radio frequency transmitter |
May. 12, 2009 |
| 7522658 |
Design method and implementation of optimal linear IIR equalizers for RF transceivers |
Apr. 21, 2009 |
| 7515651 |
Parallel processing for programmable wideband digital modulation |
Apr. 7, 2009 |
| 7515652 |
Digital modulator for a GSM/GPRS/EDGE wireless polar RF transmitter |
Apr. 7, 2009 |
| 7512188 |
Phase shift keying signaling for integrated circuits |
Mar. 31, 2009 |
| 7508860 |
Pulse signal generator for ultra-wideband radio transception and radio transceiver having the same |
Mar. 24, 2009 |
| 7502423 |
Digital modulator and digital modulation method |
Mar. 10, 2009 |
| 7496153 |
Modulating signals for coherent and differentially coherent receivers |
Feb. 24, 2009 |
| 7489660 |
Circuit for preventing signal quality degradation in CDMA system and method thereof |
Feb. 10, 2009 |
| 7469022 |
Methods and apparatus for symmetrical phase-shift keying |
Dec. 23, 2008 |
| 7463651 |
Method and system for exploiting spare link bandwidth in a multilane communication channel |
Dec. 9, 2008 |
| 7463869 |
Low noise high isolation transmit buffer gain control mechanism |
Dec. 9, 2008 |
| 7460606 |
VSB transmission system |
Dec. 2, 2008 |
| 7460832 |
Methods and apparatuses for minimizing co-channel interference |
Dec. 2, 2008 |
| 7449960 |
Frequency modulation linearization system for a Fractional-N offset PLL |
Nov. 11, 2008 |
| 7450660 |
Apparatus and method for digital modulation |
Nov. 11, 2008 |
| 7443921 |
Mobile body communication apparatus |
Oct. 28, 2008 |
| 7439813 |
Method and system for generating carrier frequencies for UWB application |
Oct. 21, 2008 |
| 7436902 |
Multi-dimensional space Gray code maps for multi-dimensional phase modulation as applied to LDPC (Low Density Parity Check) coded modulation |
Oct. 14, 2008 |
| 7433418 |
Method and apparatus for efficient storage of training sequences for peak to average power constrained modulation formats |
Oct. 7, 2008 |
| 7430252 |
Apparatus and method for WGIO phase modulation |
Sep. 30, 2008 |
| 7428273 |
Method and apparatus for efficient preamble detection in digital data receivers |
Sep. 23, 2008 |
| 7428426 |
Method and apparatus for controlling transmit power in a wireless communications device |
Sep. 23, 2008 |
| 7426246 |
Dual layer signal processing in a layered modulation digital signal system |
Sep. 16, 2008 |
| 7424662 |
Method and system for providing low density parity check (LDPC) encoding |
Sep. 9, 2008 |
| 7424065 |
Apparatus and method for ultra narrow band wireless communications |
Sep. 9, 2008 |
| 7412006 |
Method and apparatus for RF carrier feedthrough suppression |
Aug. 12, 2008 |
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