ClassID:

226063

H04L27/3472 - CPC Classification

Classification description:

Modulated-carrier systems; Carrier systems characterised by combinations of two or more of the types covered by groups , , or; Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems; Modifications of the signal space to allow the transmission of additional information in order to transmit a subchannel by switching between alternative constellations

Recent Application in this class:
#1
20260142745
2026-05-21

BIT INTERLEAVING OF MODULATION SYMBOL MAPPING FOR DATA CARRYING REFERENCE SIGNALS

#2
20250373481
2025-12-04

MODIFIED SUPER-QUADRATURE AMPLITUDE MODULATION (QAM) MODULATION SCHEMES BASED ON LOW ORDER MOTHER QAM

#3
20230308336
2023-09-28

Deep fusing of clos star networks to form a global contiguous web

#4
20230198826
2023-06-22

COMMUNICATION METHOD AND APPARATUS

#5
20230124141
2023-04-20

Iterative phase-noise cancellation

#6
20210288863
2021-09-16

Methods, systems, and computer readable media for efficient compensation of residual phase noise in 5G new radio (NR) downlink (DL) signals

#7
20210058282
2021-02-25

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

#8
20200274576
2020-08-27

Modulation spreading for wireless communications

#9
20200099562
2020-03-26

Configurable waveform for beyond 52.6GHz

#10
20200014577
2020-01-09

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

#11
20190342131
2019-11-07

Wireless communication device and wireless communication method

#12
20190182080
2019-06-13

Target constellation diagram determining method, data sending method, and apparatus

#13
20190149385
2019-05-16

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

#14
20190097678
2019-03-28

Modulation spreading for wireless communications

#15
20190089571
2019-03-21

Adaptive Backscatter Modulation

#16
20180337815
2018-11-22

Transmitter, receiver, and signal processing method

#17
20180337814
2018-11-22

Signal design for diverse data rates

#18
20180287838
2018-10-04

Modulation for a wireless communication network

#19
20180123841
2018-05-03

Methods and devices for modulating and coding data packets

#20
20170302487
2017-10-19

Wireless communication device and wireless communication method

#21
20170005854
2017-01-05

Dynamic envelope elimination and restoration polar transmitter

#22
20160294594
2016-10-06

Wireless communication device and wireless communication method

#23
20160127166
2016-05-05

System and method for multi-dimensional modulation using multiple constellations

#24
20160127046
2016-05-05

System and method for multi-dimensional modulation using multiple constellations

#25
20160028435
2016-01-28

Efficient bandwidth utilization methods for CATV DOCSIS channels and other applications

#26
20160020934
2016-01-21

PACKET DETECTOR

#27
20150071306
2015-03-12

Time and frequency diversity modulation system and method

#28
20140269592
2014-09-18

Application-aware dynamic bit-level error protection for modulation-based communication

#29
20140119362
2014-05-01

Method of reporting phase offsets, user equipment and transmission point device using the method

#30
20130265864
2013-10-10

Efficient bandwidth utilization methods for CATV DOCSIS channels and other applications

#31
20130215942
2013-08-22

Application-aware dynamic bit-level error protection for modulation-based communication

#32
20120275528
2012-11-01

Packet detector

#33
20120002708
2012-01-05

DEVICE METHOD AND SYSTEM FOR TRANSMISSION AND RECEPTION OF DATA

#34
20110317599
2011-12-29

Wireless communication device and wireless communication method

#35
20110310953
2011-12-22

Managing spectra of modulated signals in a communication network

#36
20110274212
2011-11-10

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

#37
20110243266
2011-10-06

Method and system for reducing inter carrier interference for OFDM

#38
20110141994
2011-06-16

Constellation rearrangement for ARQ transmit diversity schemes

#39
20100046644
2010-02-25

SUPERPOSITION CODING

#40
20090262858
2009-10-22

CONSTELLATION REARRANGEMENT FOR ARQ TRANSMIT DIVERSITY SCHEMES

#41
20090034635
2009-02-05

Method for reducing ambiguity levels of transmitted symbols

#42
20080260067
2008-10-23

Bit reliability equalization by modulation switching for HARQ

#43
20070147531
2007-06-28

Constellation rearrangement for ARQ transmit diversity schemes

#44
20070064788
2007-03-22

Managing spectra of modulated signals in a communication network

#45
20060203941
2006-09-14

Method and apparatus to establish for imperfect channel state information at a receiver

#46
20060034390
2006-02-16

Method and system for maximum transmit diversity

#47
20050193307
2005-09-01

Constellation rearrangement for ARQ transmit diversity schemes

#48
20050097424
2005-05-05

Data transmission apparatus using a constellation rearrangement

#49
17807098
2023-08-01

Multi-level coding set partitioning for non-linearity reduction

#50
14521615
2016-01-05

Communication system with QAM modulation