ClassID:

225910

H04L2027/0073 - CPC Classification

Classification description:

Modulated-carrier systems; Carrier regulation; Control loops for carrier regulation; Control of loops Detection of synchronisation state

Recent Application in this class:
#1
20250330366
2025-10-23

METHOD AND APPARATUS FOR TRANSMITTING REFERENCE SIGNAL FOR FREQUENCY OFFSET ESTIMATION IN NEW WIRELESS COMMUNICATION SYSTEM

#2
20240314016
2024-09-19

METHOD AND APPARATUS FOR TRANSMITTING REFERENCE SIGNAL FOR FREQUENCY OFFSET ESTIMATION IN NEW WIRELESS COMMUNICATION SYSTEM

#3
20230103739
2023-04-06

Method and apparatus for transmitting reference signal for frequency offset estimation in new wireless communication system

#4
20220407524
2022-12-22

Direct digital synthesizer with frequency correction

#5
20210288836
2021-09-16

Receiver synchronization

#6
20210266216
2021-08-26

Method and apparatus for transmitting reference signal for frequency offset estimation in new wireless communication system

#7
20200153666
2020-05-14

User equipment receiver processing for multi-transmit-receive-point communication

#8
20200099554
2020-03-26

Synchronization between an object and a reader contactlessly communicating by active load modulation

#9
20200059393
2020-02-20

Method and apparatus for transmitting reference signal for frequency offset estimation in new wireless communication system

#10
20160142064
2016-05-19

Automatic frequency control

#11
20160036524
2016-02-04

Method for estimating frequency offset, apparatus and system

#12
20160021662
2016-01-21

Digital auto frequency control for a general purpose if subsystem with multi-modulation schemes

#13
20130259173
2013-10-03

Receiver-side estimation of and compensation for signal impairments

#14
20130259153
2013-10-03

Paired OFDM pilot symbols

#15
20130231071
2013-09-05

Hysteresis nonlinear state machine with overlapping thresholds for automatic frequency control

#16
20120281140
2012-11-08

Coherent synchronization and framing in a digital television receiver

#17
20120207251
2012-08-16

Blind frequency-offset estimation for spatially correlated signal

#18
20120106678
2012-05-03

Method and apparatus to improve acquisition of a quadrature amplitude modulated (QAM) signal having a frequency offset

#19
20110111718
2011-05-12

Hysteresis nonlinear state machine with overlapping thresholds for automatic frequency control

#20
20110021155
2011-01-27

Frequency control device, frequency control method, base station apparatus, and mobile station apparatus

#21
20100215126
2010-08-26

Carrier recovery apparatus and method thereof

#22
20100142967
2010-06-10

Reference clock rate detection for variable rate transceiver modules

#23
20100128824
2010-05-27

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

#24
20090274250
2009-11-05

Method and apparatus for estimating carrier frequency offset

#25
20080260086
2008-10-23

Carrier synchronizing circuit and carrier synchronizing method

#26
20080151839
2008-06-26

Frequency Synchronization During Cell Search in a Universal Mobile Telephone System Receiver

#27
20080031316
2008-02-07

Carrier Recovery Architecture With Improved Acquisition

#28
20070189195
2007-08-16

Method and apparatus for use in carrier recovery in a communications system

#29
20070098114
2007-05-03

Detection of large carrier offsets using a timing loop

#30
20070071141
2007-03-29

Trellis-based lock detector

#31
20060171487
2006-08-03

Wireless reception device automatically establishing frequency synchronization or phase synchronization

#32
20060146954
2006-07-06

Carrier tracking loop lock detector

#33
20060072625
2006-04-06

Byte to byte alignment of multi-path data

#34
20060072619
2006-04-06

Latency optimized data alignment racheting scheme

#35
20050152477
2005-07-14

Wireless signal loss detection