ClassID:

225900

H04L2027/0053 - CPC Classification

Classification description:

Modulated-carrier systems; Carrier regulation; Control loops for carrier regulation Closed loops

Sub-classes:
Recent Application in this class:
#1
20240205084
2024-06-20

APPARATUS, METHOD, AND COMPUTER PROGRAM FOR COORDINATING INTERDEPENDENT CLOSED LOOPS

#2
20220263551
2022-08-18

Base station apparatus, terminal apparatus, wireless communication system and integrated circuit

#3
20210153133
2021-05-20

Power control method, terminal device and network device

#4
20200386844
2020-12-10

Angle of arrival measurements using RF carrier synchronization and phase alignment methods

#5
20200259538
2020-08-13

Base station apparatus, terminal apparatus, wireless communication system and integrated circuit

#6
20200217891
2020-07-09

Testing device and testing method for testing a device under test

#7
20190364511
2019-11-28

Power control method, terminal device and network device

#8
20190320400
2019-10-17

RF carrier synchronization and phase alignment methods and systems

#9
20190245596
2019-08-08

Base station apparatus, terminal apparatus, wireless communication system and integrated circuit

#10
20190229857
2019-07-25

Reference symbol indication method, device, and system

#11
20190215206
2019-07-11

OFDM system synchronization tracking method and apparatus

#12
20190068200
2019-02-28

Digital phase locked loop frequency estimation

#13
20190007189
2019-01-03

Clock and data recovery having shared clock generator

#14
20180262221
2018-09-13

Local oscillator feedthrough signal correction apparatus and method, and microprocessor control unit

#15
20180234933
2018-08-16

RF carrier synchronization and phase alignment methods and systems

#16
20180191489
2018-07-05

Digital phase locked loop frequency estimation

#17
20170227623
2017-08-10

Angle of arrival measurements using RF carrier synchronization and phase alignment methods

#18
20160219544
2016-07-28

RF carrier synchronization and phase alignment methods and systems

#19
20160134457
2016-05-12

Robust scalable and adaptive frequency estimation and frequency tracking for wireless systems

#20
20150304001
2015-10-22

Base station apparatus, terminal apparatus, wireless communication system and integrated circuit

#21
20150295704
2015-10-15

RF carrier synchronization and phase alignment methods and systems

#22
20150295703
2015-10-15

RF carrier synchronization and phase alignment methods and systems

#23
20150078495
2015-03-19

Clock and data recovery having shared clock generator

#24
20150010108
2015-01-08

Highly-spectrally-efficient transmission using orthogonal frequency division multiplexing

#25
20140179254
2014-06-26

Carrier frequency offset compensation apparatus and associated method

#26
20140112378
2014-04-24

Robust scalable and adaptive frequency estimation and frequency tracking for wireless systems

#27
20140093024
2014-04-03

RF carrier synchronization and phase alignment methods and systems

#28
20140093023
2014-04-03

RF carrier synchronization and phase alignment methods and systems

#29
20130242820
2013-09-19

Digital filter control for filter tracking speedup

#30
20130231071
2013-09-05

Hysteresis nonlinear state machine with overlapping thresholds for automatic frequency control

#31
20130016800
2013-01-17

Method and apparatus for precise open loop tuning of reference frequency within a wireless device

#32
20120328052
2012-12-27

Spur mitigation for radio frequency receivers utilizing a free-running crystal

#33
20120300881
2012-11-29

Receiving apparatus

#34
20120281140
2012-11-08

Coherent synchronization and framing in a digital television receiver

#35
20120207251
2012-08-16

Blind frequency-offset estimation for spatially correlated signal

#36
20120189046
2012-07-26

Asymmetric multi-channel adaptive equalizer

#37
20120147998
2012-06-14

Differential reception system in cellular receiver and method for realizing signal reception thereof

#38
20120069942
2012-03-22

Sync detection and frequency recovery for satellite systems

#39
20120063521
2012-03-15

Fractional-N phase locked loop, operation method thereof, and devices having the same

#40
20120063520
2012-03-15

Semiconductor integrated circuit, radio communication device and time to digital converter

#41
20120057664
2012-03-08

Method and apparatus for symbol timing recovery

#42
20120057653
2012-03-08

Method for tuning a digital compensation filter within a transmitter, and associated digital compensation filter

#43
20120051478
2012-03-01

Fast cycle slip detection and correction

#44
20120045028
2012-02-23

Feed-forward carrier recovery system and method

#45
20120039380
2012-02-16

METHOD AND APPARATUS FOR ITERATIVE TIMING AND CARRIER RECOVERY

#46
20120033773
2012-02-09

Phase interpolation-based clock and data recovery for differential quadrature phase shift keying

#47
20120014427
2012-01-19

Methods and apparatus for determining a phase error in signals

#48
20110311008
2011-12-22

Apparatus and method thereof for clock and data recovery of N-PAM encoded signals using a conventional 2-PAM CDR circuit

#49
20110299620
2011-12-08

Method and apparatus for increasing the channel capacity of a bandwidth limited communications path

#50
20110299572
2011-12-08

Method and apparatus for subband signal demodulation in a transponder satellite communication link containing a component of relayed interference

#51
20110249771
2011-10-13

Adaptive gain control based on echo canceller performance information

#52
20110243127
2011-10-06

Voice and data exchange over a packet based network

#53
20110200091
2011-08-18

Asymmetric multi-channel adaptive equalizer

#54
20110194571
2011-08-11

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

#55
20110158202
2011-06-30

Code division multiple access (CDMA) communication system

#56
20110142170
2011-06-16

Signal receiver and method for estimating residual doppler frequencies of signals thereof

#57
20110111718
2011-05-12

Hysteresis nonlinear state machine with overlapping thresholds for automatic frequency control

#58
20110041025
2011-02-17

Method of communication, in particular with capability of frame abortion or retransmission indication, between a transmitter and a receiver based on frames and corresponding communication node

#59
20100308879
2010-12-09

Phase synchronization device and phase synchronization method

#60
20100283918
2010-11-11

APPARATUS AND METHOD FOR ESTIMATING CARRIER FREQUENCY ERROR

#61
20100283910
2010-11-11

DECOUPLED DATA-AIDED TIMING AND CARRIER TRACKING LOOP

#62
20100272155
2010-10-28

CODE DETECTION

#63
20100260291
2010-10-14

Carrier Recovery Device and Related Method

#64
20100183091
2010-07-22

Method for tuning a digital compensation filter within a transmitter, and associated digital compensation filter and associated calibration circuit

#65
20100183054
2010-07-22

METHOD FOR THE ROBUST SYNCHRONIZATION OF A MULTI-CARRIER RECEIVER USING FILTER BANKS AND CORRESPONDING RECEIVER AND TRANSCEIVER

#66
20100157950
2010-06-24

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

#67
20100142651
2010-06-10

Frame-based carrier frequency and phase recovery system and method

#68
20100128824
2010-05-27

Blind frequency-offset estimation for temporally and/or spatially correlated signal

#69
20100074374
2010-03-25

Phase calibration circuit and related phase calibration method

#70
20100061488
2010-03-11

Joint, adaptive control of equalization, synchronization, and gain in a digital communications receiver

#71
20100002752
2010-01-07

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

#72
20090310713
2009-12-17

Receiving apparatus, receiving method, and program

#73
20090274240
2009-11-05

Communication system

#74
20090268850
2009-10-29

Coarse frequency offset estimation in ISDB receivers

#75
20090225909
2009-09-10

Correlator for tracking satellite signal

#76
20090197553
2009-08-06

Method and Apparatus for Determining Frequency Offset in a Receiver

#77
20090140787
2009-06-04

Quadrature modulator with phase controller apparatus and error detector

#78
20090135956
2009-05-28

Method and apparatus for precise open loop tuning of reference frequency within a wireless device

#79
20090109881
2009-04-30

Voice and data exchange over a packet based network

#80
20090103508
2009-04-23

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

#81
20090086738
2009-04-02

Method and system for utilizing a single PLL to clock an array of DDFS for multi-protocol applications

#82
20090050685
2009-02-26

Reducing leakage noise in directly sampled radio frequency signals

#83
20090028275
2009-01-29

Frame-based carrier frequency and phase recovery system and method

#84
20090028223
2009-01-29

Signal receiver and method for estimating residual doppler frequencies of signals thereof

#85
20080292022
2008-11-27

Radio receiver including a delay-locked loop (DLL) for phase adjustment

#86
20080292004
2008-11-27

Carrier phase ambiguity correction

#87
20080260086
2008-10-23

Carrier synchronizing circuit and carrier synchronizing method

#88
20080240309
2008-10-02

Efficient and flexible numerical controlled oscillators for navigational receivers

#89
20080240296
2008-10-02

Iterative sequential carrier acquisition

#90
20080220733
2008-09-11

Fast frequency range selection in ranged controlled oscillators

#91
20080219383
2008-09-11

Method and Apparatus for Carrier Recovery Using Multiple Sources

#92
20080215951
2008-09-04

Communication system

#93
20080187038
2008-08-07

Asymmetric multi-channel adaptive equalizer

#94
20080182582
2008-07-31

Frequency synchronization in wireless communication systems

#95
20080181345
2008-07-31

Frequency synchronization method and apparatus

#96
20080089458
2008-04-17

Method and apparatus for clock correction in MIMO OFDM

#97
20080069259
2008-03-20

Communication system

#98
20080063121
2008-03-13

Method for Estimating the Phase and the Gain of Observation Data Transmitted Over a Qam-Modulated Transmission Channel

#99
20080056338
2008-03-06

Power Line Communication Device and Method with Frequency Shifted Modem

#100
20080056305
2008-03-06

Phase correction for OFDM and MIMO transmissions

#101
20080043870
2008-02-21

Communication system

#102
20080037475
2008-02-14

Data rate controller

#103
20070274416
2007-11-29

Phase error correction circuit

#104
20070230641
2007-10-04

Adaptive receiver loops with weighted decision-directed error

#105
20070230637
2007-10-04

System and method for improved carrier recovery

#106
20070153885
2007-07-05

High-frequency HomePNA

#107
20070153879
2007-07-05

Apparatus and method for estimating and combining frequency errors in a mobile communication system

#108
20070150264
2007-06-28

Voice and data exchange over a packet based network with voice detection

#109
20070127711
2007-06-07

Adaptive gain control based on echo canceller performance information

#110
20070121677
2007-05-31

High-frequency HomePNA

#111
20070098091
2007-05-03

Method and system for residual frequency offset compensation of multi-carrier communication system

#112
20070047511
2007-03-01

Continuously adjustable bandwidth discrete-time phase-locked loop

#113
20070046813
2007-03-01

Frequency shift keying demodulator robust for frequency offset

#114
20070030798
2007-02-08

Doppler frequency calculating apparatus and method and OFDM demodulating apparatus

#115
20070025480
2007-02-01

Voice and data exchange over a packet based network with AGC

#116
20070025479
2007-02-01

GPS front end having an interface with reduced data rate

#117
20070002974
2007-01-04

Trimming of local oscillation in an integrated circuit radio

#118
20060256894
2006-11-16

Frequency offset compensation in radio receiver

#119
20060251190
2006-11-09

Frequency offset estimation for DPSK

#120
20060242545
2006-10-26

Decoding system for eight-to-fourteen modulation or eight-to-sixteen modulation

#121
20060239178
2006-10-26

Reduced complexity channel estimation in OFDM systems

#122
20060220725
2006-10-05

Receiver with decision-directed equalizer

#123
20060217084
2006-09-28

Efficient method to compute one shot frequency estimate

#124
20060187894
2006-08-24

Phase estimation method in a digital and phase locked loop communication system

#125
20060121864
2006-06-08

Methods and apparatus for calibrating oscillators in a receiver

#126
20060120487
2006-06-08

Frequency offset estimating method and frequency offset correcting apparatus utilizing said method

#127
20060104394
2006-05-18

Method and apparatus for precise open loop tuning of reference frequency within a wireless device

#128
20060067432
2006-03-30

Frame-based carrier frequency and phase recovery system and method

#129
20060045209
2006-03-02

Carrier recovery apparatus usable with VSB type receiver and method thereof

#130
20050265430
2005-12-01

Method and subscriber unit for performing power control

#131
20050254601
2005-11-17

Channel acquisition processing for a television receiver

#132
20050243897
2005-11-03

Rapid acquisition spreading codes for spread-spectrum communications

#133
20050243790
2005-11-03

Continuously adjusted-bandwidth discrete-time phase-locked loop

#134
20050226316
2005-10-13

Adaptive equalizing apparatus and method

#135
20050101255
2005-05-12

Radio wave receiver, radio wave reception integrated circuit, wave clock, and repeater

#136
20050094604
2005-05-05

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

#137
20050047520
2005-03-03

Apparatus, methods and articles of manufacture for signal correction using adaptive phase re-alignment

#138
20050036574
2005-02-17

Automatic frequency control device and method of QPSK modulation system

#139
20050018785
2005-01-27

Communication system