ClassID:

225897

H04L2027/0046 - CPC Classification

Classification description:

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

Sub-classes:
Recent Application in this class:
#1
20200396111
2020-12-17

Method and receiver device for estimating a frequency offset and a frequency drift of a useful signal

#2
20200386844
2020-12-10

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

#3
20190320400
2019-10-17

RF carrier synchronization and phase alignment methods and systems

#4
20190229857
2019-07-25

Reference symbol indication method, device, and system

#5
20180234933
2018-08-16

RF carrier synchronization and phase alignment methods and systems

#6
20180205500
2018-07-19

Method and apparatus for implementing space frequency block coding in an orthogonal frequency division multiplexing wireless communication system

#7
20170227623
2017-08-10

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

#8
20170163382
2017-06-08

Method and apparatus for implementing space frequency block coding in an orthogonal frequency division multiplexing wireless communication system

#9
20170078125
2017-03-16

Radio communication

#10
20170026203
2017-01-26

Phase noise tracking and reduction

#11
20160315656
2016-10-27

Using multiple correlators to determine signal sent and frequency offset

#12
20160219544
2016-07-28

RF carrier synchronization and phase alignment methods and systems

#13
20160134449
2016-05-12

Cycle-slip detection method and apparatus, and receiver

#14
20160080906
2016-03-17

Method and device for demodulating a signal

#15
20160036524
2016-02-04

Method for estimating frequency offset, apparatus and system

#16
20150311986
2015-10-29

Phase noise tracking and reduction

#17
20150295704
2015-10-15

RF carrier synchronization and phase alignment methods and systems

#18
20150295703
2015-10-15

RF carrier synchronization and phase alignment methods and systems

#19
20150139219
2015-05-21

Method and apparatus for estimating frequency errors

#20
20140247861
2014-09-04

Fractional symbol based phase noise mitigation

#21
20140205045
2014-07-24

Method, apparatus, and system for frequency offset estimation and channel estimation

#22
20140093024
2014-04-03

RF carrier synchronization and phase alignment methods and systems

#23
20140093023
2014-04-03

RF carrier synchronization and phase alignment methods and systems

#24
20140072020
2014-03-13

Digital data-aided frequency offset estimation

#25
20130294783
2013-11-07

Method and apparatus of algorithm for coherent receivers with M-QAM modulation format

#26
20130034194
2013-02-07

Radio receiver

#27
20130016800
2013-01-17

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

#28
20120328064
2012-12-27

Phase tracking in communications systems

#29
20120307871
2012-12-06

RF chirp receiver synchronization

#30
20120281791
2012-11-08

Frequency correction circuit, radio receiving apparatus, and frequency correction method

#31
20120236809
2012-09-20

Frequency deviation estimating method and base station apparatus

#32
20120189043
2012-07-26

Recursive frequency estimation

#33
20120163426
2012-06-28

Automatic frequency control under low signal-to-noise conditions

#34
20120155573
2012-06-21

Phase Shifting Circuitry

#35
20110255394
2011-10-20

System and method for SSS detection under carrier frequency offset in an orthogonal frequency-division multiple access downlink channel

#36
20110194588
2011-08-11

Wireless communication system and method of processing a wireless signal

#37
20110158329
2011-06-30

SYSTEM AND METHOD FOR BI-PHASE MODULATION DECODING

#38
20110148479
2011-06-23

Signal receiving device and signal receiving method using same, and signal supplying unit and signal supplying method using same

#39
20110116809
2011-05-19

Phase recovery device, phase recovery method and receiver for 16 QAM data modulation

#40
20100310015
2010-12-09

Transmitting/receiving system and method of processing broadcast signal in transmitting/receiving system

#41
20100301931
2010-12-02

Recursive demodulation apparatus and method

#42
20100253400
2010-10-07

Phase-locked loop (PLL) having extended tracking range

#43
20100158165
2010-06-24

Parallel automatic frequency offset estimation method and apparatus

#44
20100135363
2010-06-03

Supporting a Signal Acquisition

#45
20100040115
2010-02-18

APPARATUS FOR ACQUIRING REFINE CARRIER FREQUENCY BY OPTIMIZING SEARCH AREAS AND METHOD USING THE SAME

#46
20100034331
2010-02-11

Frequency synchronization apparatus

#47
20100027594
2010-02-04

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

#48
20090245427
2009-10-01

Joint synchronizer and decoder

#49
20090238306
2009-09-24

Phase tracking circuit and radio receiver using the same

#50
20090207944
2009-08-20

Communications device and related method that detects symbol timing

#51
20090154619
2009-06-18

Frequency error estimator using second-order loop filter and operating method of the frequency error estimator

#52
20090154602
2009-06-18

Communications device and related method with reduced false detects during start of message bit correlation

#53
20090141832
2009-06-04

Method for estimating frequency offset at a subscriber station receiver in a multi-carrier system

#54
20090135956
2009-05-28

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

#55
20090129499
2009-05-21

Method and apparatus for implementing space frequency block coding in an orthogonal frequency division multiplexing wireless communication system

#56
20090080578
2009-03-26

Phase noise limiting apparatus, phase noise limiting method, receiving apparatus, receiving method, and programs

#57
20090042591
2009-02-12

Apparatus and method for acquiring synchronization to support multi-frequency in mobile communication terminal

#58
20090041095
2009-02-12

Method and apparatus for fine frequency synchronization in wireless broadband (WiBro) system without using global positioning system (GPS) receiver

#59
20080310566
2008-12-18

FREQUENCY SYNCHRONIZING CIRCUIT, METHOD, AND RECEIVING APPARATUS USING THE CIRCUIT AND THE METHOD

#60
20080292029
2008-11-27

Method and Apparatus For Carrier Recovery Using Multiple Sources

#61
20080292023
2008-11-27

Direct sampling type wireless receiver and method using the same

#62
20080292004
2008-11-27

Carrier phase ambiguity correction

#63
20080291992
2008-11-27

System and method of detecting burst noise and minimizing the effect of burst noise

#64
20080272819
2008-11-06

Clock receivers

#65
20080260006
2008-10-23

Frequency offset estimator

#66
20080252512
2008-10-16

Method, a program and a module to estimate a doppler maximum frequency and an oscillator frequency offset, receiver including the module

#67
20080212708
2008-09-04

Method and Apparatus for Carrier Recovery in a Communications System

#68
20080095274
2008-04-24

Statistical procedures for carrier frequency tracking

#69
20070268871
2007-11-22

Carrier frequency offset estimation preamble symbols

#70
20070258534
2007-11-08

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

#71
20070248195
2007-10-25

Apparatus for and method of robust packet detection and frequency offset estimation

#72
20070189195
2007-08-16

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

#73
20070183484
2007-08-09

SYSTEM AND METHOD OF FREQUENCY ACQUISITION

#74
20070177691
2007-08-02

Device for detecting a frequency offset

#75
20070177690
2007-08-02

Radio-controlled method and device for measuring time

#76
20070171999
2007-07-26

Carrier phase ambiguity correction via dc offset

#77
20070147225
2007-06-28

Apparatus and method for estimating frequency offset

#78
20070140104
2007-06-21

System and method for timing acquisition and carrier frequency offset estimation in wireless communication based on OFDM

#79
20070110141
2007-05-17

Method for receiving spectrum spreading signals with frequency shift correction

#80
20070098117
2007-05-03

Phase tracking in communications systems

#81
20070092049
2007-04-26

Soft-decision phase detector for low signal-to-noise (SNR) phase tracking

#82
20070071136
2007-03-29

System and method for executing preamble detection, symbol timing recovery, and frequency offset estimation

#83
20070036248
2007-02-15

Frequency offset estimator

#84
20070030927
2007-02-08

Robust frequency offset estimation

#85
20070030924
2007-02-08

An Iterative Frequency Offset Estimator for PSK Modulation

#86
20070030923
2007-02-08

High accuracy non data-aided frequency estimator for M-ary phase shift keying modulation

#87
20060269015
2006-11-30

Receivers for DPSK signals

#88
20060239178
2006-10-26

Reduced complexity channel estimation in OFDM systems

#89
20060222137
2006-10-05

Storage efficient sliding window sum

#90
20060189295
2006-08-24

Demodulator and phase compensation method thereof

#91
20060183451
2006-08-17

Method and system for continuously compensating for phase variations introduced into a communication signal by automatic gain control adjustments

#92
20060182209
2006-08-17

Multi-sampling monobit receiver

#93
20060146961
2006-07-06

Frequency offset estimating method and receiver employing the same

#94
20060140308
2006-06-29

Carrier tracking circuit and method including dual numerically controlled oscillators and feedforward phase correction coefficient

#95
20060133459
2006-06-22

Method for receiving spectrum spreading signals with frequency shift correction

#96
20060120487
2006-06-08

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

#97
20060104394
2006-05-18

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

#98
20060072677
2006-04-06

Method and apparatus for implementing space frequency block coding in an orthogonal frequency division multiplexing wireless communication system

#99
20060067431
2006-03-30

Circuit and method for recovering a carrier

#100
20060034350
2006-02-16

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

#101
20060023823
2006-02-02

Apparatus for frequency synchronization and method for the same

#102
20050286614
2005-12-29

Carrier frequency offset detecting apparatus in a digital receiver system and a method thereof

#103
20050220225
2005-10-06

Method and apparatus for frequency correction in wireless local area network systems

#104
20050215224
2005-09-29

Multi-carrier receiving method and apparatus

#105
20050207519
2005-09-22

Digital radio receiver

#106
20050180546
2005-08-18

Terrestrial optical communication system having remotely powered nodes

#107
20050169404
2005-08-04

Demodulator and address information extractor

#108
20050164659
2005-07-28

Apparatus and method for correcting sudden phase changes in received signals in mobile stations

#109
20050129149
2005-06-16

Detecting GSM downlink signal frequency correction burst

#110
20050111603
2005-05-26

Process for providing a pilot aided phase synchronization of carrier

#111
20050111530
2005-05-26

Communication receiver

#112
20050101275
2005-05-12

Method and system for frequency offset estimation

#113
20050089115
2005-04-28

Method and receiving unit for compensation for a frequency offset and/or for a change in the phase of a transmission channel over time by receiver-end evaluation of edge symbols of a received data burst

#114
20050084042
2005-04-21

Dat-aided frequency offset detection using phase unwrapping

#115
20050078774
2005-04-14

Frequency error estimation using multiple integration lengths

#116
20050078740
2005-04-14

Rake receiver with individual finger compensator(s)

#117
20050069066
2005-03-31

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

#118
20050058229
2005-03-17

Hybrid frequency offset estimator

#119
20050058224
2005-03-17

Joint synchronizer and decoder

#120
20050025222
2005-02-03

System and method for despreading in a spread spectrum matched filter

#121
20050018759
2005-01-27

System and method for despreading in a spread spectrum matched filter

#122
16680478
2020-05-26

Smart phase switching method and smart phase switching system for a timing recovery process