ClassID:

225984

H04L27/2332 - CPC Classification

Classification description:

Modulated-carrier systems; Phase-modulated carrier systems, i.e. using phase-shift keying; Demodulator circuits; Receiver circuits using non-coherent demodulation using a non-coherent carrier

Recent Application in this class:
#1
20250274319
2025-08-28

Systems and Methods for Phase Noise Tracking Reference Signal Sequence Generation Using Demodulation Reference Signals

#2
20240291701
2024-08-29

Systems and methods for phase noise tracking reference signal sequence generation using demodulation reference signals

#3
20240235909
2024-07-11

Method and apparatus for transmitting PLCP frame in wireless local area network system

#4
20230246892
2023-08-03

Systems and methods for phase noise tracking reference signal sequence generation using demodulation reference signals

#5
20220345341
2022-10-27

Method and apparatus for transmitting PLCP frame in wireless local area network system

#6
20220247611
2022-08-04

Systems and methods for phase noise tracking reference signal sequence generation using demodulation reference signals

#7
20210336834
2021-10-28

Repetition on subcarriers for noncoherent modulation

#8
20210167729
2021-06-03

Electronic envelope detection circuit and corresponding demodulator

#9
20210058280
2021-02-25

Driver architecture for multiphase and amplitude encoding transmitters

#10
20200228061
2020-07-16

Electronic envelope detection circuit and corresponding demodulator

#11
20200204413
2020-06-25

Method and apparatus for transmitting PLCP frame in wireless local area network system

#12
20200153589
2020-05-14

Systems and methods for phase noise tracking reference signal sequence generation using demodulation reference signals

#13
20190361113
2019-11-28

Combined radar and communications system using common signal waveform

#14
20190052496
2019-02-14

Method and apparatus for transmitting PLCP frame in wireless local area network system

#15
20180331710
2018-11-15

Radio modulation technique using DMPSK for immproved BER

#16
20180241347
2018-08-23

Digital dynamic bias circuit

#17
20180109411
2018-04-19

All digital multi-channel RF transmitter for paralel magnetic resonance imaging with SSB modulation

#18
20180109405
2018-04-19

Method and apparatus for transmitting PLCP frame in wireless local area network system

#19
20170294983
2017-10-12

Rate adaptive turbo forward error correction

#20
20170201278
2017-07-13

RF receiver with frequency tracking

#21
20170033888
2017-02-02

Rate adaptive turbo forward error correction

#22
20160380792
2016-12-29

Receiving method and receiver for satellite-based automatic identification systems

#23
20160112228
2016-04-21

Method and apparatus for transmitting PLCP frame in wireless local area network system

#24
20160072652
2016-03-10

Digital radio transmissions

#25
20150326252
2015-11-12

Rate adaptive turbo forward error correction

#26
20150312073
2015-10-29

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

#27
20140181938
2014-06-26

Packet processor verification methods and systems

#28
20130288630
2013-10-31

Digital demodulation circuit using automatic gain control circuit having temperature compensation function

#29
20130064148
2013-03-14

Single frequency synthesizer based FDD transceiver

#30
20130034027
2013-02-07

Method and apparatus for performing transmission and reception simultaneously in same frequency band

#31
20110206144
2011-08-25

RECEIVER AND TRANSMISSION/RECEPTION SYSTEM

#32
20110194571
2011-08-11

ADAPTIVE FORWARD POWER CONTROL AND ADAPTIVE REVERSE POWER CONTROL FOR SPREAD-SPECTRUM COMMUNICATIONS

#33
20110158202
2011-06-30

Code division multiple access (CDMA) communication system

#34
20110122932
2011-05-26

High data rate milllimeter wave radio on a chip

#35
20110110348
2011-05-12

Method and apparatus for transmitting PLCP frame in wireless local area network system

#36
20110075713
2011-03-31

High data rate millimeter wave radio

#37
20100303173
2010-12-02

Circuit for demodulating a phase modulated signal

#38
20100272155
2010-10-28

CODE DETECTION

#39
20100157950
2010-06-24

SYSTEM FOR USING RAPID ACQUISITION SPREADING CODES FOR SPREAD-SPECTRUM COMMUNICATIONS

#40
20100034316
2010-02-11

Millimeter wave radio with phase modulation

#41
20100027594
2010-02-04

Method and system for applying Viterbi type PSK demodulation for optimum correlation of GPS signals

#42
20100002752
2010-01-07

EFFICIENT MULTIPATH CENTROID TRACKING CIRCUIT FOR A CODE DIVISION MULTIPLE ACCESS (CDMA) SYSTEM

#43
20090110119
2009-04-30

Digital satellite broadcasting receiving tuner and satellite broadcasting receiving device including the same

#44
20090103508
2009-04-23

Automatic power control system for a code division multiple access (CDMA) communications system

#45
20090060098
2009-03-05

Algorithm for multiple-symbol differential detection

#46
20090017768
2009-01-15

Frequency error estimation and correction

#47
20080118010
2008-05-22

Phase error correction circuit and receiver incorporating the same

#48
20070268978
2007-11-22

Carrier offset estimator

#49
20070258534
2007-11-08

Method and device for synchronizing the carrier frequency of an offset quadrature phase-modulated signal

#50
20070104298
2007-05-10

Wireless device with a non-compensated crystal oscillator

#51
20070047511
2007-03-01

Continuously adjustable bandwidth discrete-time phase-locked loop

#52
20060269015
2006-11-30

Receivers for DPSK signals

#53
20060256895
2006-11-16

Apparatus for compensating for phase mismatch in QPSK demodulator

#54
20060246865
2006-11-02

Frequency error estimation and correction

#55
20060245514
2006-11-02

Modulation device, demodulation device, modulation method and demodulation method

#56
20060209993
2006-09-21

Demodulator and receiver for pre-coded partial response signals

#57
20060115021
2006-06-01

Compensation for the carrier frequency offset in a receiving apparatus, which is designed for a plurality of modulation types, in a mobile communications system

#58
20060093046
2006-05-04

Digital communication method and digital communication device

#59
20060034350
2006-02-16

Method and system for applying Viterbi type PSK demodulation for optimum correlation of GPS signals

#60
20060013339
2006-01-19

Differential decoder followed by non-linear compensator

#61
20050270090
2005-12-08

Direct phase and frequency demodulation

#62
20050265430
2005-12-01

Method and subscriber unit for performing power control

#63
20050243897
2005-11-03

Rapid acquisition spreading codes for spread-spectrum communications

#64
20050243790
2005-11-03

Continuously adjusted-bandwidth discrete-time phase-locked loop

#65
20050227630
2005-10-13

System for synchronizing a portable transceiver to a network

#66
20050208937
2005-09-22

Receiving device and integrated circuit for reception

#67
20050190863
2005-09-01

Receiving device and integrated circuit for reception

#68
20050190862
2005-09-01

Receiving device and integrated circuit for reception

#69
20050190861
2005-09-01

Receiving device and integrated circuit for reception

#70
20050190847
2005-09-01

Demodulation and modulation circuit and demodulation and modulation method

#71
20050176394
2005-08-11

Receiver device

#72
20050175124
2005-08-11

Method and apparatus for noncoherent signal processing in pilotless wireless systems

#73
20050170805
2005-08-04

Mobile radio receiver device

#74
20050105652
2005-05-19

Algorithm for multiple-symbol differential detection

#75
20050094604
2005-05-05

Method and apparatus for adaptive power control for spread-spectrum communications

#76
20050069066
2005-03-31

Method and system for estimating frequency offset for carrier-modulation digital communications system

#77
20050008101
2005-01-13

Computationally efficient demodulation for differential phase shift keying

#78
15668078
2018-09-18

Coherent amplification using phase modulation mediated two-beam coupling