ClassID:

225921

H04L2027/0095 - CPC Classification

Classification description:

Modulated-carrier systems; Carrier regulation; Signalling arrangements; In-band signals; Intermittant signals in a preamble or similar structure

Recent Application in this class:
#1
20240314011
2024-09-19

Transmitting Data or Determining A Frequency and Timing Estimate of a Received Signal

#2
20230269204
2023-08-24

Methods and Apparatus for Preamble Detection in A Communication Network

#3
20230143144
2023-05-11

CONVERGED RADIO UNIT CONFIGURED FOR SEMANTIC-LESS RETRANSMISSIONS

#4
20220141060
2022-05-05

Method and device for detecting the possible presence of at least one digital pattern within a signal

#5
20210281452
2021-09-09

Method and device for detecting the possible presence of at least one digital pattern within a signal

#6
20210266986
2021-08-26

Random access coverage extension in wireless communications

#7
20210243820
2021-08-05

Method of determining frequency-domain offset parameter, user equipment (UE), random access method, method for configuring random access information, corresponding device and computer readable medium

#8
20210185656
2021-06-17

Control information sending method and detecting method, base station, terminal, and storage medium

#9
20210091990
2021-03-25

Partial discrete fourier transform-based sequence design and application to random access channel preambles

#10
20210051730
2021-02-18

Two-root preamble design for delay and frequency shift

#11
20210029530
2021-01-28

Discovery preamble content for a device discovery procedure

#12
20210007133
2021-01-07

Preamble group selection in random access of wireless networks

#13
20200359414
2020-11-12

Method and apparatus for transmitting a random access preamble in a narrow band IoT system supporting time division duplexing

#14
20200177360
2020-06-04

FREQUENCY OFFSET CORRECTION IN NARROWBAND MACHINE-TO-MACHINE

#15
20200154490
2020-05-14

METHOD AND APPARATUS FOR ESTABLISHING USER EQUIPMENT COOPERATION GROUP

#16
20200083947
2020-03-12

System and method for beam adjustment request

#17
20190349228
2019-11-14

Demodulator for use in radio communication receivers

#18
20190327766
2019-10-24

Random access coverage extension in wireless communications

#19
20190326978
2019-10-24

Signal sending method and apparatus, and signal receiving method and apparatus

#20
20190289587
2019-09-19

Control information sending method and detecting method, base station, terminal, and storage medium

#21
20190253867
2019-08-15

Discovery preamble content for a device discovery procedure

#22
20190253866
2019-08-15

Waveform design of discovery signals

#23
20190222302
2019-07-18

Frequency adjustment for high speed LTE deployments

#24
20190215877
2019-07-11

Method of determining frequency-domain offset parameter, user equipment (UE), random access method, method for configuring random access information, corresponding device and computer readable medium

#25
20190190765
2019-06-20

Controller for detection of Bluetooth Low Energy Packets

#26
20190165899
2019-05-30

Transmission method and apparatus for feedback information of uplink transmission

#27
20190159248
2019-05-23

Method and apparatus for transmitting a random access preamble in a narrow band IoT system supporting time division duplexing

#28
20190045567
2019-02-07

Device and method of handling carrier aggregation and dual connectivity

#29
20190045467
2019-02-07

Device and method of handling carrier aggregation and dual connectivity

#30
20180376525
2018-12-27

Method for transmitting data via sidelink and terminal

#31
20180375698
2018-12-27

Radio-network node, wireless device and methods performed therein

#32
20180367356
2018-12-20

Distributed and scalable physical layer and medium access design for uplink multiuser multiple-input, multiple-output (MU-MIMO) in wireless local area network (WLAN) systems

#33
20180248738
2018-08-30

Apparatus for a radio device

#34
20180191487
2018-07-05

Frequency offset correction in narrowband machine-to-machine

#35
20180138962
2018-05-17

System and method for beam adjustment request

#36
20180123673
2018-05-03

MULTI-SUBCARRIER BASED RADIO FRAME TRANSMISSION METHOD AND COMMUNICATION NODE THEREFOR

#37
20180042052
2018-02-08

COMMUNICATION EFFICIENCY

#38
20170373976
2017-12-28

Methods and arrangements for WLAN communication of multi-user data in a single data packet

#39
20170223732
2017-08-03

Preamble group selection in random access of wireless networks

#40
20160218995
2016-07-28

Method and apparatus for phase-based multi-carrier modulation (MCM) packet detection

#41
20160218856
2016-07-28

Frequency offset correction in narrowband machine-to-machine

#42
20160142064
2016-05-19

Automatic frequency control

#43
20160134449
2016-05-12

Cycle-slip detection method and apparatus, and receiver

#44
20160072652
2016-03-10

Digital radio transmissions

#45
20150372787
2015-12-24

End of communication detection

#46
20150372766
2015-12-24

Optical transmission system, phase compensation method, and optical reception apparatus

#47
20150180608
2015-06-25

End of communication detection

#48
20150139283
2015-05-21

Method and apparatus for detecting a preamble in a received radio signal

#49
20150139219
2015-05-21

Method and apparatus for estimating frequency errors

#50
20150103965
2015-04-16

Temperature compensated carrier offset correction of a received signal

#51
20140092893
2014-04-03

Preamble structure and acquisition for a wireless communication system

#52
20140072082
2014-03-13

Receiving circuit, use, and method for receiving an encoded and modulated radio signal

#53
20140010326
2014-01-09

Carrier offset correction of a received signal

#54
20140003555
2014-01-02

Phase compensation receiver

#55
20130259173
2013-10-03

Receiver-side estimation of and compensation for signal impairments

#56
20130259153
2013-10-03

Paired OFDM pilot symbols

#57
20130250775
2013-09-26

Method of frequency synchronization in distributed network

#58
20130195229
2013-08-01

Multiple correlators for communication device detection

#59
20130162466
2013-06-27

Methods to extend the frequency lock range of a received RF signal using a preamble-based frequency estimate

#60
20130162401
2013-06-27

APPARATUS AND METHOD FOR TRANSMITTING TAG DATA

#61
20120327793
2012-12-27

Apparatus and methods for estimating an unknown frequency error of a tone signal

#62
20120250741
2012-10-04

Method for frequency offset estimation and automatic frequency control for filtered signal with destroyed phase information and signal transceiver

#63
20120176541
2012-07-12

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

#64
20120163504
2012-06-28

Automatic frequency offset compensation in zero-intermediate frequency receivers using minimum-shift keying (MSK) signaling

#65
20120163426
2012-06-28

Automatic frequency control under low signal-to-noise conditions

#66
20120163231
2012-06-28

Preamble group selection in random access of wireless networks

#67
20120147939
2012-06-14

Signal demodulation method and apparatus and signal modulation method and apparatus in return link of satellite system

#68
20120069916
2012-03-22

Frequency offset estimator for upstream cable signals

#69
20120014427
2012-01-19

Methods and apparatus for determining a phase error in signals

#70
20110280348
2011-11-17

Method and apparatus for code acquisition

#71
20110154148
2011-06-23

Spectral content based decoding and frequency offset estimation

#72
20110080517
2011-04-07

PHASE NOISE AND FREQUENCY ERROR RESILIENT DEMODULATION SCHEME FOR MOCA

#73
20110069707
2011-03-24

Packet detection and coarse symbol timing for rotated differential M-ary PSK modulated preamble signal

#74
20110064161
2011-03-17

FREQUENCY SELECTIVE TRANSMISSION APPARATUS

#75
20110051612
2011-03-03

Arrangement for determining a characteristic form of an input signal

#76
20110039588
2011-02-17

Radio communication system, transmission device, reception device, radio communication method, transmission method, reception method

#77
20110033016
2011-02-10

Method and apparatus for providing carrier synchronization in digital broadcast and interactive systems

#78
20100310015
2010-12-09

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

#79
20100254475
2010-10-07

Receiving apparatus, receiving method, and program

#80
20100246458
2010-09-30

Controlling power in a spread spectrum system

#81
20100232797
2010-09-16

Detection of data in signals with data pattern dependent signal distortion

#82
20100208849
2010-08-19

Receiving circuit, use, and method for receiving an encoded and modulated radio signal

#83
20100195553
2010-08-05

CONTROLLING POWER IN A SPREAD SPECTRUM SYSTEM

#84
20100142651
2010-06-10

Frame-based carrier frequency and phase recovery system and method

#85
20100135375
2010-06-03

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

#86
20100111229
2010-05-06

METHOD AND APPARATUS OF GENERATING PACKET PREAMBLE

#87
20100080318
2010-04-01

SYSTEM AND METHOD FOR IMPROVED FREQUENCY ESTIMATION FOR HIGH-SPEED COMMUNICATION

#88
20100074130
2010-03-25

Preamble group selection in random access of wireless networks

#89
20100067363
2010-03-18

Method and system for radio frequency (RF) group delay compensation in a broadcast system

#90
20100034300
2010-02-11

Receiver and method for receiving digital signal

#91
20100034182
2010-02-11

Wireless communication apparatus and method

#92
20100008216
2010-01-14

Apparatus and method for estimating and compensating time offset and/or carrier frequency offset in MIMO system based OFDM/OFDMA

#93
20090304127
2009-12-10

Narrow band receiver

#94
20090274250
2009-11-05

Method and apparatus for estimating carrier frequency offset

#95
20090225822
2009-09-10

System and methods for receiving OFDM symbols having timing and frequency offsets

#96
20090219786
2009-09-03

Modem and method for transmitting data in a medium notably such as air and water

#97
20090207944
2009-08-20

Communications device and related method that detects symbol timing

#98
20090196331
2009-08-06

Signal processing unit and wireless communication device

#99
20090180525
2009-07-16

Signal processing unit and wireless communication device

#100
20090154602
2009-06-18

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

#101
20090147836
2009-06-11

Method for frequency offset estimation and automatic frequency control for filtered signal with destroyed phase information and signal transceiver

#102
20090141836
2009-06-04

Reception device

#103
20090129514
2009-05-21

Accurate data-aided frequency tracking circuit

#104
20090103633
2009-04-23

Data aided detection of spectrum inversion

#105
20090092204
2009-04-09

Detection circuit and detection method of carrier offset

#106
20090041167
2009-02-12

Demodulator, receiver, and demodulation method

#107
20090037503
2009-02-05

Time delay and frequency offset calculation system and related methods

#108
20090028275
2009-01-29

Frame-based carrier frequency and phase recovery system and method

#109
20080310572
2008-12-18

Frame synchronization apparatus and its control method

#110
20080279220
2008-11-13

Preamble structure and acquisition for a wireless communication system

#111
20080214112
2008-09-04

Method and system for using PSK sync word for fine tuning frequency adjustment

#112
20080186841
2008-08-07

Method and System For Determining a Frequency Offset

#113
20080181344
2008-07-31

Method and apparatus for providing carrier synchronization in digital broadcast and interactive systems

#114
20080170645
2008-07-17

Methods and systems for acquiring signals using coherent match filtering

#115
20080136510
2008-06-12

Reception device, control method, and program

#116
20080130729
2008-06-05

Frequency error correction by using remodulation

#117
20080118010
2008-05-22

Phase error correction circuit and receiver incorporating the same

#118
20080101499
2008-05-01

Transmitter, method for generating a plurality of long preambles and communication device

#119
20080012768
2008-01-17

Receive device and method for receiving a receive sequence

#120
20070286263
2007-12-13

SATELLITE RECEIVER

#121
20070280394
2007-12-06

Method for determining a residual frequency offset, communication system, method for transmitting a message, transmitter, method for processing a message and receiver

#122
20070268871
2007-11-22

Carrier frequency offset estimation preamble symbols

#123
20070140212
2007-06-21

Apparatus and method for sampling frequency offset and carrier frequency offset estimation and correction in a communication system

#124
20070053459
2007-03-08

System and method for obtaining accurate symbol rate and carrier phase, frequency, and timing acquisition for minimum shift keyed waveform

#125
20070041479
2007-02-22

Apparatus for determining a frequency offset error and receiver based thereon

#126
20070036247
2007-02-15

Receiver with frequency offset compensation for M-state phase modulation

#127
20070030928
2007-02-08

Frequency offset cancellation circuit for data determination in wireless communications

#128
20070002981
2007-01-04

Apparatus and method for sampling frequency offset estimation and correction in a wireless communication system

#129
20060286954
2006-12-21

Method and apparatus for matching receiver carrier frequency

#130
20060280273
2006-12-14

Initial synchronization for receivers

#131
20060274864
2006-12-07

Frequency control device and information reproduction apparatus

#132
20060217084
2006-09-28

Efficient method to compute one shot frequency estimate

#133
20060194577
2006-08-31

Carrier search methods and related devices

#134
20060193407
2006-08-31

Method and system using preamble detection to demodulate a phase shift key carrier signal

#135
20060165200
2006-07-27

Synchronization device and device for generating a synchronization signal

#136
20060146969
2006-07-06

Joint synchronization and impairments estimation using known data patterns

#137
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

#138
20060077300
2006-04-13

Synchronization signal detection in a digital television receiver

#139
20060072688
2006-04-06

Wireless communication system and method with frequency burst acquisition feature using autocorrelation and narrowband interference detection

#140
20060072524
2006-04-06

Multiple antenna processing on transmit for wireless local area networks

#141
20060067437
2006-03-30

Wireless communication system and method with frequency burst acquisition feature using autocorrelation

#142
20060067432
2006-03-30

Frame-based carrier frequency and phase recovery system and method

#143
20050276354
2005-12-15

IQ imbalance compensation

#144
20050237966
2005-10-27

Ultra wide band communication systems and methods

#145
20050213689
2005-09-29

Demodulator circuit, radio communication system and communication semiconductor integrated circuit

#146
20050213678
2005-09-29

Tracking system comprised in an OFDM receiver

#147
20050207519
2005-09-22

Digital radio receiver

#148
20050197064
2005-09-08

Method and system for using PSK sync word for fine tuning frequency adjustment

#149
20050195888
2005-09-08

CARRIER FREQUENCY OFFSET ESTIMATION IN PREAMBLED SYSTEMS

#150
20050190847
2005-09-01

Demodulation and modulation circuit and demodulation and modulation method

#151
20050159928
2005-07-21

Doppler shift and spread estimation method and apparatus

#152
20050147188
2005-07-07

Frequency control for a mobile communications device

#153
20050135432
2005-06-23

OFDM frequency offset estimation apparatus and method

#154
20050084042
2005-04-21

Dat-aided frequency offset detection using phase unwrapping

#155
20050079850
2005-04-14

DC interference removal in wireless communications

#156
20050069066
2005-03-31

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

#157
20050041693
2005-02-24

Method and apparatus for frequency synchronization in MIMO-OFDM wireless communication systems

#158
20050018762
2005-01-27

Ultra wide band communication systems and methods

#159
20050008089
2005-01-13

Pattern sequence synchronization

#160
17233405
2023-05-16

Methods and apparatus for preamble detection in a communication network

#161
16407638
2020-10-13

Preamble detection during acquisition

#162
15876421
2019-04-30

Reduced-power detection of wireless packets using decimated preamble correlation