H04L27/2271 - CPC Classification Index

ClassID:

225975 ⎘

H04L27/2271 - CPC Classification

Classification description:

Modulated-carrier systems; Phase-modulated carrier systems, i.e. using phase-shift keying; Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals

Sub-classes:

H04L27/2272 » {using phase locked loops } 63
H04L27/2273 » {associated with quadrature demodulation, e.g. Costas loop} 100

Recent Application in this class:

20240406044

2024-12-05

SYSTEMS AND METHODS FOR PROCESSING VARIABLE CODING AND MODULATION (VCM) BASED COMMUNICATION SIGNALS USING FEEDFORWARD CARRIER AND TIMING RECOVERY

20240283458

2024-08-22

CLOCK AND DATA RECOVERY CIRCUIT WITH SPREAD SPECTRUM CLOCKING SYNTHESIZER

20230188142

2023-06-15

Systems and methods for processing variable coding and modulation (VCM) based communication signals using feedforward carrier and timing recovery

20230163765

2023-05-25

Clock and data recovery circuit with spread spectrum clocking synthesizer

20200313945

2020-10-01

Methods and apparatus for performing a high speed phase demodulation scheme using a low bandwidth phase-lock loop

20200235968

2020-07-23

COMMUNICATION DEVICE AND METHOD FOR RECEIVING DATA VIA A RADIO SIGNAL

20180131545

2018-05-10

Methods and apparatus for performing a high speed phase demodulation scheme using a low bandwidth phase-lock loop

20170215144

2017-07-27

Autonomous receive (RX) detector for a radio module

20160344540

2016-11-24

Timing error processor that uses the derivative of an interpolator function

#10

20160105274

2016-04-14

WIRELESS NETWORK THROUGHPUT SYSTEM AND METHOD

#11

20150365115

2015-12-17

Active signal processing personal health signal receivers

#12

20150312073

2015-10-29

Carrier phase and amplitude estimation for phase shift keying using pilots and data

#13

20150263873

2015-09-17

Synchronous demodulator electronic circuit for phase modulation signals

#14

20140334575

2014-11-13

Active signal processing personal health signal receivers

#15

20140241466

2014-08-28

Low symbol rate rapid carrier acquisition with extremely large frequency offset for digital communication receiver

#16

20140029708

2014-01-30

Dynamic optimization of carrier recovery performance for communication systems

#17

20130089341

2013-04-11

Minimum variance carrier recovery

#18

20130039449

2013-02-14

Universal systems and methods for determining an incoming carrier frequency and decoding an incoming signal

#19

20100316158

2010-12-16

Active signal processing personal health signal receivers

#20

20100261434

2010-10-14

Phase noise correction circuit, transmitter, receiver, radio device, radio communication system, and phase noise correction method

#21

20100189198

2010-07-29

Universal systems and methods for determining an incoming carrier frequency and decoding an incoming signal

#22

20090097592

2009-04-16

Hierarchical offset compensation to improve synchronization and performance

#23

20080279172

2008-11-13

Radio communication device, demodulation method, and frequency deflection correction circuit

#24

20080165890

2008-07-10

System and method for setting phase reference points in continuous phase modulation systems by providing pilot symbols at a location other than the location of the phase reference point

#25