ClassID:

225948

H04L27/183 - CPC Classification

Classification description:

Modulated-carrier systems; Phase-modulated carrier systems, i.e. using phase-shift keying Multiresolution systems

Recent Application in this class:
#1
20250027508
2025-01-23

CEILING FAN, BLADE, AND BLADE CONNECTOR

#2
20240340209
2024-10-10

PROBABILISTIC AMPLITUDE SHAPING APPLIED TO PAPR REDUCTION

#3
20240097734
2024-03-21

Ceiling fan, blade, and blade connector

#4
20230318902
2023-10-05

Technologies for generating and processing signals

#5
20230318898
2023-10-05

IBOC compatible superposition modulation by independent modulators utilizing clipping noise from peak-to-average power reduction

#6
20230006707
2023-01-05

Communication system and communication method

#7
20220141078
2022-05-05

Transmission method, transmission device, reception method, and reception device

#8
20220021570
2022-01-20

Data compression method and apparatus

#9
20210392020
2021-12-16

Device and method for modulating information

#10
20210392019
2021-12-16

Device and method for improved demodulation of multiple modulation schemes

#11
20210297683
2021-09-23

Method and apparatus for performing superposition coded modulation scheme in a broadcasting or communication system

#12
20210243062
2021-08-05

IBOC compatible superposition modulation by independent modulators utilizing clipping noise from peak-to-average power reduction

#13
20210203540
2021-07-01

Transmission method, transmission device, reception method, and reception device

#14
20210105168
2021-04-08

Signal transmission method and apparatus

#15
20200374163
2020-11-26

Uplink signal sending method and receiving method, communications device, and network device

#16
20200374027
2020-11-26

Transmission device, reception device, transmission method, and reception method

#17
20200252099
2020-08-06

Communication system and communication method

#18
20200244508
2020-07-30

Transmission method, transmission device, reception method, and reception device

#19
20200099557
2020-03-26

Multichannel-based signal transmission method and apparatus

#20
20200067558
2020-02-27

Communication system and communication method

#21
20190387472
2019-12-19

Wireless communication system and method to improve coexistence for wake-up packets

#22
20190312769
2019-10-10

Transmission method, transmission device, reception method, and reception device

#23
20190305997
2019-10-03

Broadcast signal frame generation apparatus and broadcast signal frame generation method using layered division multiplexing

#24
20190253113
2019-08-15

Transmission device and reception device

#25
20190238173
2019-08-01

Integrated circuit

#26
20190215133
2019-07-11

Wireless network configured to provide mixed services

#27
20190182095
2019-06-13

Semi-orthogonal multiple access with power-adaptive constellation

#28
20190173729
2019-06-06

Signal transmission method and apparatus

#29
20190149375
2019-05-16

Multichannel-based signal transmission method and apparatus

#30
20190081674
2019-03-14

Multi-resolution beam training in MMW WLAN systems

#31
20190050956
2019-02-14

Phase rotation watermarking for phase modulation

#32
20190044566
2019-02-07

Integrated circuit

#33
20190028228
2019-01-24

Transmission device, reception device, transmission method, and reception method

#34
20180302253
2018-10-18

Broadcast signal frame generation apparatus and broadcast signal frame generation method using layered division multiplexing

#35
20180270491
2018-09-20

Method and apparatus for performing superposition coded modulation scheme in a broadcasting or communication system

#36
20180219590
2018-08-02

Transmission device and reception device

#37
20180191549
2018-07-05

Apparatus and method for reusing existing constellation for superposed transmission

#38
20180084593
2018-03-22

Method and apparatus for mapping initial access signals in wireless systems

#39
20180048505
2018-02-15

Broadcast signal frame generation apparatus and broadcast signal frame generation method using layered division multiplexing

#40
20170324513
2017-11-09

Data transmitting or receiving method and device for dual TBs, transmitter and receiver

#41
20170310345
2017-10-26

Rotary system mounted piezoelectric generator, self-powered wireless communication terminal and wireless communication system

#42
20170295049
2017-10-12

DUAL CARRIER MODULATION THAT MITIGATES PAPR

#43
20170265229
2017-09-14

Ultra-reliable and low priority communications

#44
20170222851
2017-08-03

Multi-carrier superposition method and device

#45
20170069333
2017-03-09

Multiresolution coding and modulation system

#46
20170012754
2017-01-12

Reference signal and signalling design for non-orthogonal multiple access with legacy user equipment as a base layer

#47
20160373284
2016-12-22

Information transmission method, apparatus, and device

#48
20160323074
2016-11-03

REVERSE LINK PILOT INTEGRATED WITH BLOCK CODES

#49
20160134458
2016-05-12

Control information transmission method and sending and receiving device

#50
20160127046
2016-05-05

System and method for multi-dimensional modulation using multiple constellations

#51
20160065351
2016-03-03

Superposition coding method, apparatus, and system

#52
20150156050
2015-06-04

Communication system, transmission apparatus, reception apparatus, and digital transmission method

#53
20140247900
2014-09-04

Data retransmission request device, a data transmitter, and a data retransmission method for multi-tone systems

#54
20140037023
2014-02-06

Transmitting system and receiving system, and transmitting method and receiving method

#55
20130272451
2013-10-17

Apparatus and method of transmitting hierarchically modulated signal

#56
20130121350
2013-05-16

Overlay modulation of COFDM using phase and amplitude offset carriers

#57
20130039442
2013-02-14

Method of improving performance in a hierarchical modulation system

#58
20130039236
2013-02-14

Hierarchical modulation for communication channels in single-carrier frequency division multiple access

#59
20120314687
2012-12-13

Method and apparatus for transmitting and receiving training sequence code in communication system

#60
20120219087
2012-08-30

APPARATUS AND METHOD FOR IMPROVING HIGH-POWER SIGNAL RECEIVING PERFORMANCE USING LOW-POWER SIGNALS

#61
20120201331
2012-08-09

Data transmission apparatus and method, and data reconstitution apparatus and method

#62
20120087364
2012-04-12

Reverse link pilot integrated with block codes

#63
20120076239
2012-03-29

Transmitter for multi-format data

#64
20120027006
2012-02-02

System and method for joint voice and data transmission

#65
20110320859
2011-12-29

Method and system for interference detection and mitigation

#66
20110310933
2011-12-22

Meta-carrier embedding technique with improved performance for BPSK, MSK, and O-QPSK modulation

#67
20110274212
2011-11-10

Method and apparatus for transmitting data in a digital communication system, and computer-readable storage medium relating thereto

#68
20110274018
2011-11-10

Content differentiated hierarchical modulation used in radio frequency communications

#69
20110222634
2011-09-15

Communication system utilizing a hierarchically modulated signal and method thereof

#70
20110202814
2011-08-18

Interleaving scheme for an LDPC coded 32 APSK system

#71
20110194653
2011-08-11

Receiver and reception method for layered modulation

#72
20110173517
2011-07-14

Symbol-level random network coded cooperation with hierarchical modulation in relay communication

#73
20110161776
2011-06-30

Compress-forward coding with N-PSK modulation for the half-duplex gaussian relay channel

#74
20110158352
2011-06-30

APPARATUS AND METHOD OF MULTI-STAGE HIGH BIT PER SYMBOL ANALOG DEMODULATION

#75
20110129025
2011-06-02

Apparatus for assigning and estimating transmission symbols

#76
20110107183
2011-05-05

Interleaving scheme for an LDPC coded 16APSK system

#77
20110103507
2011-05-05

System and method for combined predistortion and interference cancellation in a satellite communications system

#78
20110090984
2011-04-21

Systems and methods for providing ATC overlay protocols

#79
20110038403
2011-02-17

Orthogonal frequency division multiplex modem circuit

#80
20110007624
2011-01-13

Timeslot Sharing Using Unbalanced QPSK Modulation

#81
20100329314
2010-12-30

Method and a device for transmitting and receiving signals with modulation compression

#82
20100315282
2010-12-16

Systems and methods for enhanced ATC overlay modulation

#83
20100302990
2010-12-02

Method of power control

#84
20100272210
2010-10-28

Method of transmitting data for digital broadcasting in wireless communication system

#85
20100158138
2010-06-24

SATELLITE BROADCASTING SYSTEM AND SIGNAL RECEIVING METHOD THEREOF

#86
20100111228
2010-05-06

Wireless communication apparatus and wireless communication method

#87
20100067606
2010-03-18

Method and apparatus for transmitting/receiving MBMS based on hm

#88
20100002575
2010-01-07

Adaptive modulation and coding in a SC-FDMA system

#89
20090279620
2009-11-12

Data communication

#90
20090279418
2009-11-12

Overlay modulation of COFDM using phase and amplitude offset carriers

#91
20090274240
2009-11-05

Communication system

#92
20090168809
2009-07-02

METHOD AND APPARATUS TO JOINTLY SYNCHRONIZE A LEGACY SDARS SIGNAL WITH OVERLAY MODULATION

#93
20090116469
2009-05-07

Reverse link pilot integrated with block codes

#94
20090110047
2009-04-30

Demodulator with configurable adaptive equalizer

#95
20090097592
2009-04-16

Hierarchical offset compensation to improve synchronization and performance

#96
20090097589
2009-04-16

Lower complexity layered modulation signal processor

#97
20090059783
2009-03-05

Communication system and method of receiving high priority signals and low priority signals

#98
20090052590
2009-02-26

LAYERED MODULATION FOR DIGITAL SIGNALS

#99
20090042511
2009-02-12

Hierarchical modulation for communication channels in single-carrier frequency division multiple access

#100
20090034635
2009-02-05

Method for reducing ambiguity levels of transmitted symbols

#101
20080311920
2008-12-18

Methods and apparatus for balancing modulation in cellular communications over noisy channels

#102
20080298505
2008-12-04

Hierarchical 8PSK performance

#103
20080215951
2008-09-04

Communication system

#104
20080163025
2008-07-03

Bit-interleaved LDPC-coded modulation for high-speed optical transmission

#105
20080159186
2008-07-03

Content differentiated hierarchical modulation used in radio frequency communications

#106
20080151942
2008-06-26

Digital broadcasting system and method of processing data

#107
20080137775
2008-06-12

METHOD AND APPARATUS FOR HIERARCHICAL MODULATION AND DEMODULATION IN DIGITAL BROADCASTING SYSTEM

#108
20080130783
2008-06-05

Transmission apparatus and transmission method

#109
20080069259
2008-03-20

Communication system

#110
20080043870
2008-02-21

Communication system

#111
20070297533
2007-12-27

APPARATUS AND METHODS FOR IMPLEMENTING HIERARCHICAL MODULATION AND DEMODULATION FOR GERAN EVOLUTION

#112
20070268977
2007-11-22

METHOD OF UTILIZING AND MANIPULATING WIRELESS RESOURCES FOR EFFICIENT AND EFFECTIVE WIRELESS COMMUNICATION

#113
20070263751
2007-11-15

Method and apparatus for providing higher order modulation that is backwards compatible with quaternary phase shift keying(QPSK) or offset quaternary phase shift keying (OQPSK)

#114
20070217541
2007-09-20

Compress-forward coding with N-PSK modulation for the half-duplex Gaussian relay channel

#115
20070211805
2007-09-13

Communications system with selective baseband pilot injected carrier (BPIC) and input data modulation and related methods

#116
20070195907
2007-08-23

Method of transmitting and receiving data using superposition modulation in a wireless communication system

#117
20070162818
2007-07-12

Bandwidth efficient coded modulation scheme based on MLC (multi-level code) signals having multiple maps

#118
20070116156
2007-05-24

Layered modulation for digital signals

#119
20070116144
2007-05-24

Optimization technique for layered modulation

#120
20070104294
2007-05-10

Apparatus for independently extracting streams from hierarchically-modulated signal and performing soft-decision, and method thereof

#121
20070104293
2007-05-10

Technique for demodulating level II hierarchical data

#122
20070054614
2007-03-08

Method to minimize compatibility error in hierarchical modulation using variable phase

#123
20070025283
2007-02-01

Repetition coding in a satellite-based communications system

#124
20070011716
2007-01-11

Unified receiver for layered and hierarchical modulation systems

#125
20060276145
2006-12-07

Method to minimize compatibility error in hierarchical modulation using variable phase

#126
20060274855
2006-12-07

Method to enable single frequency network optimization

#127
20060209673
2006-09-21

Orthogonal frequency division multiplex modem circuit

#128
20060198452
2006-09-07

Method to minimize degradation in a D-MPSK hierarchical modulation system

#129
20060153315
2006-07-13

Lower complexity layered modulation signal processor

#130
20060056541
2006-03-16

Improving hierarchical 8PSK performance

#131
20060050805
2006-03-09

Method and apparatus for layered modulation

#132
20060034381
2006-02-16

Method and apparatus using coordinate interleaving to increase diversity in a MIMO system

#133
20060018406
2006-01-26

Amplitude and phase matching for layered modulation reception

#134
20050216821
2005-09-29

Mapping method for encoded bits using LDPC code, transmitting and receiving apparatuses employing this method, and program for executing this method

#135
20050169400
2005-08-04

Backward compatible DVB-S standard transmission system

#136
20050157817
2005-07-21

Method for receiving two decorrelated signals transmitted on a single channel and receiver for implementing said method

#137
20050149843
2005-07-07

Bandwidth efficient coded modulation scheme based on MLC (multi-level code) signals having multiple maps

#138
20050143004
2005-06-30

Method to optimize hierarchical modulation for a diversity system

#139
20050141627
2005-06-30

Method to create hierarchical modulation in OFDM

#140
20050135507
2005-06-23

Apparatus and method for demodulation using detection of channel adaptive modulation scheme

#141
20050117669
2005-06-02

Method to increase performance of secondary data in a hierarchical modulation scheme

#142
20050113040
2005-05-26

Method to minimize compatibility error in hierarchical modulation using variable phase

#143
20050111581
2005-05-26

Method to inject hierarchical data onto single carrier stream

#144
20050111580
2005-05-26

Method to minimize compatibility error in hierarchical modulation

#145
20050089068
2005-04-28

Method and apparatus for providing signal acquisition and frame synchronization in a hierarchical modulation scheme

#146
20050078778
2005-04-14

Coherent averaging for measuring traveling wave tube amplifier nonlinearity

#147
20050018785
2005-01-27

Communication system

#148
20050008100
2005-01-13

Carrier to noise ratio estimations from a received signal

#149
16808700
2020-11-03

Transmission security based on adaptive multiresolution modulation

#150
13780625
2015-06-02

Utilizing an offset QPSK signal to transmit two digital symbols