H04L27/3461 - CPC Classification Index

ClassID:

226061 ⎘

H04L27/3461 - 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

Sub-classes:

H04L27/3466 » {by providing an alternative to one signal point} 6
H04L27/3472 » {by switching between alternative constellations} 46
H04L27/3477 » {by using the outer points of the constellation or of the constituent two-dimensional constellations} 18
H04L27/3483 » {using a modulation of the constellation points} 137

Recent Application in this class:

20260074944

2026-03-12

WIRELESS COMMUNICATION DEVICE AND METHOD FOR IQ CALIBRATION

20240015060

2024-01-11

EHT capability design for PPE threshold

20220086835

2022-03-17

Method for transmitting information, terminal device and network device

20220029872

2022-01-27

EHT capability design for PPE threshold

20210168849

2021-06-03

Method, apparatus, and system for allocating resources in wireless communication system

20190020525

2019-01-17

Method and apparatus for data transmission in a multiuser downlink cellular system

20180337814

2018-11-22

Signal design for diverse data rates

20180249001

2018-08-30

Systems and methods for establishing a diagnostic transmission mode and communicating over the same

20180076998

2018-03-15

Communication control device and communication control system

#10

20170324513

2017-11-09

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

#11

20170288902

2017-10-05

Method and Apparatus for Detecting Data in Wireless Communication Networks

#12

20170171011

2017-06-15

Data transmission method and device

#13

20170041178

2017-02-09

Method and apparatus for data transmission in a multiuser downlink cellular system

#14

20170034343

2017-02-02

Systems and methods for establishing a diagnostic transmission mode and communicating over the same

#15

20160323855

2016-11-03

Terminal device and base station device

#16

20160278070

2016-09-22

Methods and apparatus for mitigating resource conflicts between ultra low latency (ULL) and legacy transmissions

#17

20160269216

2016-09-15

Transmitter, receiver and methods therein for wireless communication

#18

20160227026

2016-08-04

Systems and methods for establishing a diagnostic transmission mode and communicating over the same

#19

20160165042

2016-06-09

Systems and methods for establishing a diagnostic transmission mode and communicating over the same

#20

20160127537

2016-05-05

Systems and methods for establishing a diagnostic transmission mode and communicating over the same

#21

20160112995

2016-04-21

Method and apparatus for enhancing channel capacity and spectral efficiency in a wireless communication system

#22

20150341488

2015-11-26

Systems and methods for establishing a diagnostic transmission mode and communicating over the same

#23

20150043621

2015-02-12

Optimized data transfer utilizing optimized code table signaling

#24

20140254645

2014-09-11

Systems and methods for establishing a diagnostic transmission mode and communicating over the same

#25

20140126616

2014-05-08

Systems and methods for establishing a diagnostic transmission mode and communicating over the same

#26

20140044089

2014-02-13

Multi-user multiple input multiple output radio communications

#27

20130243049

2013-09-19

Systems and methods for a transceiver to transmit or receive test information over a communication channel using multicarrier modulation

#28

20130215984

2013-08-22

Overlay modulation technique for COFDM signals based on amplitude offsets

#29

20120287801

2012-11-15

Using maximal sum-rate mutual information to optimize JCMA constellations

#30

20120243591

2012-09-27

Method and system of payload encoding and modulation for channel quality feedback

#31

20120230476

2012-09-13

Multicarrier modulation messaging for power level per subchannel information

#32

20110310933

2011-12-22

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

#33

20110142160

2011-06-16

Method and apparatus for transmitting urgent data

#34

20110103443

2011-05-05

Systems and methods for establishing a diagnostic transmission mode and communicating over the same

#35

20100226418

2010-09-09

Multicarrier modulation messaging for power level per subchannel information

#36

20100220775

2010-09-02

Multicarrier modulation messaging for SNR per subchannel during showtime information

#37

20100203826

2010-08-12

Data relay apparatus, communication apparatus and communication method

#38

20100164615

2010-07-01

System and method for relative phase shift keying

#39

20100081445

2010-04-01

METHOD AND APPARATUS FOR INCREASING CONTROL CHANNEL CAPACITY IN GERAN

#40

20090238254

2009-09-24

Multicarrier modulation messaging for frequency domain received idle channel noise information

#41

20090161777

2009-06-25

Overlay modulation technique for COFDM signals based on amplitude offsets

#42

20090073867

2009-03-19

Determining of coupling coefficients in a vector transmission system

#43

20090059830

2009-03-05

Method of signalling, a communication system and a communication equipment

#44

20080222682

2008-09-11

Satellite distribution apparatus, control means for use in satellite distribution apparatus and method of use thereof

#45

20070041463

2007-02-22

Superimposed training for multiple antenna communications