ClassID:

225985

H04L27/2334 - 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 filters

Recent Application in this class:
#1
20240121142
2024-04-11

Multi-phase vector synthesis demodulation method and apparatus

#2
20230370313
2023-11-16

METHODS AND APPARATUS FOR PHASE CHANGE DETECTION USING A RESONATOR

#3
20230283505
2023-09-07

Frequency offset estimation

#4
20230073105
2023-03-09

MULTIPLEXER, RADIO FREQUENCY CIRCUIT, AND COMMUNICATION DEVICE

#5
20230072942
2023-03-09

Matched filter bank

#6
20210234738
2021-07-29

Matched filter bank

#7
20210028965
2021-01-28

Innovative use of the kalman filter in reception matrices for perfoming an improved estimation of telecommunication signals

#8
20210021449
2021-01-21

Methods and apparatus for phase change detection using a resonator

#9
20200403675
2020-12-24

Reference signal design

#10
20200395968
2020-12-17

Method for compensating gain flatness of transceiver

#11
20200351132
2020-11-05

Matched-filter radio receiver

#12
20200099559
2020-03-26

Systems and methods for combining signals from multiple active wireless receivers

#13
20200052730
2020-02-13

WIRELESS COMMUNICATION DEVICE WITH A LOW NOISE RECEIVER

#14
20190349228
2019-11-14

Demodulator for use in radio communication receivers

#15
20190260619
2019-08-22

BPSK demodulation

#16
20190138572
2019-05-09

Method and device for reducing noise in a modulated signal

#17
20180324013
2018-11-08

PHASE INTERPOLATION CALIBRATION FOR TIMING RECOVERY

#18
20180270097
2018-09-20

Method and apparatus for converting analog radio frequency (RF) signals to the digital domain in a multiband and multicarrier wireless communication system

#19
20180167241
2018-06-14

Method and apparatus for frequency domain inter-carrier interference compensation

#20
20180131546
2018-05-10

BPSK demodulation

#21
20180123834
2018-05-03

Device and method for detecting transmission signal

#22
20180076991
2018-03-15

Apparatus and method for estimating carrier frequency offset

#23
20170373912
2017-12-28

Method and system for I/Q mismatch calibration and compensation for wideband communication receivers

#24
20170331654
2017-11-16

Apparatus and method for single antenna interference cancellation (SAIC) enhancement

#25
20170331504
2017-11-16

Wireless communication device with a low noise receiver

#26
20170302283
2017-10-19

Phase detection method based on a plurality of consecutive values of a receiving signal

#27
20170293485
2017-10-12

Direct digital synthesis of signals using maximum likelihood bit-stream encoding

#28
20170279643
2017-09-28

Method for detecting presence or absence of phase shift keying modulations

#29
20170257241
2017-09-07

Low power wideband non-coherent binary phase shift keying demodulator to align the phase of sideband differential output comparators for reducing jitter, using first order sideband filters with phase 180 degree alignment

#30
20170207836
2017-07-20

Base station device in mobile communication system and circulator arrangement to increase isolation between co-located antennas

#31
20170207835
2017-07-20

Base station device in mobile communication system and circulator arrangement to increase isolation between co-located antennas

#32
20170201409
2017-07-13

Apparatus and method for estimating carrier frequency offset for multipath signals

#33
20170171007
2017-06-15

Ultra low power wideband non-coherent binary phase shift keying demodulator using first order sideband filters with phase zero alignment

#34
20170118059
2017-04-27

Method and apparatus for converting analog radio frequency (RF) signals to the digital domain in a multiband and multicarrier wireless communication system

#35
20170070997
2017-03-09

System and method for enhancing channel estimation at a receiver

#36
20160365950
2016-12-15

Direct digital synthesis of signals using maximum likelihood bit-stream encoding

#37
20160149734
2016-05-26

Apparatus and method for switching between receivers in communication system

#38
20160087824
2016-03-24

Phase-domain digitizer

#39
20160072652
2016-03-10

Digital radio transmissions

#40
20160072647
2016-03-10

Direct digital synthesis of signals using maximum likelihood bit-stream encoding

#41
20160065404
2016-03-03

Method and system for I/Q mismatch calibration and compensation for wideband communication receivers

#42
20150263873
2015-09-17

Synchronous demodulator electronic circuit for phase modulation signals

#43
20150215143
2015-07-30

Systems and methods for combining signals from multiple active wireless receivers

#44
20140376673
2014-12-25

Method and system for I/Q mismatch calibration and compensation for wideband communication receivers

#45
20140112423
2014-04-24

Method and faculty to measure and compensate DCO frequency distortions using a DPLL

#46
20140108477
2014-04-17

Vector processor having instruction set with vector convolution function for fir filtering

#47
20140086367
2014-03-27

Maximum likelihood bit-stream generation and detection using M-algorithm and infinite impulse response filtering

#48
20140086356
2014-03-27

Software digital front end (SoftDFE) signal processing

#49
20140075162
2014-03-13

Digital processor having instruction set with complex exponential non-linear function

#50
20140072073
2014-03-13

Block-based crest factor reduction (CFR)

#51
20140064417
2014-03-06

Direct digital synthesis of signals using maximum likelihood bit-stream encoding

#52
20130156129
2013-06-20

Method and faculty to measure and compensate DCO frequency distortions using a DPLL

#53
20130117342
2013-05-09

Combined RF equalizer and I/Q imbalance correction

#54
20130114762
2013-05-09

Recursive digital pre-distortion (DPD)

#55
20130114761
2013-05-09

Multi-stage crest factor reduction (CFR) for multi-channel multi-standard radio

#56
20130114652
2013-05-09

Crest factor reduction (CFR) using asymmetrical pulses

#57
20120281787
2012-11-08

Method and system for I/Q mismatch calibration and compensation for wideband communication receivers

#58
20120106686
2012-05-03

Digital I/Q imbalance compensation in a quadrature receiver

#59
20120082072
2012-04-05

Systems and methods for combining signals from multiple active wireless receivers

#60
20120063555
2012-03-15

Saw-less, LNA-less low noise receiver

#61
20110244818
2011-10-06

Receiver

#62
20110084810
2011-04-14

RFID transponder

#63
20100054379
2010-03-04

Burst demodulator

#64
20100034318
2010-02-11

Binary continuous phase modulation (CPM) data demodulation receiver

#65
20090310717
2009-12-17

Signal converters

#66
20080260072
2008-10-23

Method for receiving and recovering frequency shift keyed symbols

#67
20080030236
2008-02-07

Multitask Circuit Comprising Resonant Element For Supplying Address And Data

#68
20070230624
2007-10-04

Demodulation method and apparatus

#69
20070047673
2007-03-01

Intermediate frequency receivers

#70
20050249307
2005-11-10

Integrated burst FSK receiver

#71
20050105643
2005-05-19

Gaussian FSK modulation with more than two modulation states

#72
18172913
2024-07-16

Cluster correlator for a demodulator

#73
16182966
2020-04-28

Method and apparatus for high speed mixed moment estimation using quantization

#74
15874191
2019-02-26

Beamforming transmission with analog hardware resource sharing

#75
15613293
2018-06-26

Small-footprint digital receiver for extracting narrowband frequency-slices

#76
15387082
2018-05-29

Systems and methods for IQ demodulation with error correction

#77
15284386
2018-02-20

BPSK demodulation

#78
14570640
2016-09-06

Method and apparatus for converting analog radio frequency (RF) signals to the digital domain in a multiband and multicarrier wireless communication system

#79
14322103
2015-08-18

Device, system and method for bi-phase modulation decoding

#80
14076129
2015-06-23

Digital radio data system receiver methods and apparatus