ClassID:

226046

H04L27/2698 - CPC Classification

Classification description:

Modulated-carrier systems; Systems using multi-frequency codes; Multicarrier modulation systems in combination with other modulation techniques double density OFDM/OQAM system, e.g. OFDM/OQAM-IOTA system

Recent Application in this class:
#1
20250202753
2025-06-19

OFDM TRANSMITTER DEVICE HAVING A SYMBOL GENERATOR FOR GENERATING NON-ZERO CONTROL SYMBOLS, AND OFDM TRANSMISSION METHOD INCLUDING GENERATING NON-ZERO CONTROL SYMBOLS

#2
20240422049
2024-12-19

Methods and Systems for Digital Representation of Encoded Communications Data and Simplified Evaluation of Precoding in Systems using Phase-Cyclical Precoding

#3
20240235916
2024-07-11

OFDM transmitter device having a symbol generator for generating non-zero control symbols, and OFDM transmission method including generating non-zero control symbols

#4
20240073079
2024-02-29

METHODS AND APPARATUS FOR USING A PHASE TRACKING REFERENCE SIGNAL WITH A SINGLE CARRIER WAVEFORM

#5
20230353436
2023-11-02

Signal processing circuit for subcarrier sorting and associated signal processing method

#6
20230208695
2023-06-29

OFDM transmitter device having a symbol generator for generating non-zero control symbols, and OFDM transmission method including generating non-zero control symbols

#7
20220321391
2022-10-06

Dual-polarization FBMC in wireless communication systems

#8
20220271984
2022-08-25

OFDM transmitter device having a symbol generator for generating non-zero control symbols, and OFDM transmission method including generating non-zero control symbols

#9
20210176108
2021-06-10

System and method for transmitting and receiving single-carrier OQAM symbols

#10
20210144041
2021-05-13

OFDM transmitter device having a symbol generator for generating non-zero control symbols, and OFDM transmission method including generating non-zero control symbols

#11
20210099330
2021-04-01

System and method for transmitting and receiving single-carrier OQAM symbols with non-nyquist transmit pulse shaping

#12
20210075661
2021-03-11

System and method for transmitting and receiving single-carrier OQAM symbols

#13
20200322196
2020-10-08

Overlap-save FBMC receiver

#14
20200266902
2020-08-20

Systems and methods for underwater illumination, survey, and wireless optical communications

#15
20200213178
2020-07-02

Systems and methods for transmitting data via an electrical cable

#16
20200119964
2020-04-16

OFDM transmitter device having a symbol generator for generating non-zero control symbols, and OFDM transmission method including generating non-zero control symbols

#17
20200008102
2020-01-02

Base station apparatus, terminal apparatus, communication method, and integrated circuit

#18
20190386866
2019-12-19

Method for producing a multi-carrier signal, device, and corresponding computer program

#19
20190372814
2019-12-05

Range extension mode for WiFi

#20
20190342043
2019-11-07

DATA RECEIVING METHOD, DATA SENDING METHOD, RECEIVING DEVICE, AND SENDING DEVICE

#21
20190199572
2019-06-27

COFDM DCM communications systems with preferred labeling diversity formats

#22
20190190671
2019-06-20

Wireless communication method and wireless communication device for generating a pilot pattern and performing channel estimation

#23
20190173728
2019-06-06

Frequency translating backscatter modulator with envelope control to support OFDM/QAM and other envelope modulated wireless protocols

#24
20190132179
2019-05-02

OFDM transmitter device having a symbol generator for generating non-zero control symbols, and OFDM transmission method including generating non-zero control symbols

#25
20190052511
2019-02-14

Encoder input selector

#26
20190052500
2019-02-14

Apparatus and method for filter bank multi-carrier signal modulation with low PAPR in multiple antenna system

#27
20190028251
2019-01-24

Pilot signal transmission method and apparatus, and transmitting terminal

#28
20190007255
2019-01-03

Receivers for COFDM signals conveying the same data in lower- and upper-frequency sidebands

#29
20180375704
2018-12-27

Transmit diversity from orthogonal design for FBMC/OQAM

#30
20180367353
2018-12-20

TRANSMIT DIVERSITY FROM ORTHOGONAL DESIGN FOR FBMC/OQAM

#31
20180359120
2018-12-13

Precompensation of interference induced by an OFDM/OQAM modulation that is faster than Nyquist

#32
20180287847
2018-10-04

Method and apparatus for the extrication of quadrature pairs of amplitude modulated signals from intermingled extraneous signals

#33
20180287753
2018-10-04

Method and apparatus for transmitting and receiving preamble based reference signal

#34
20180254937
2018-09-06

FBMC-MIMO transmission/reception system with ML detection

#35
20180254936
2018-09-06

Apparatus and method for signal modulation and demodulation in filter bank multi-carrier system

#36
20180212813
2018-07-26

Communication device and method in filter-bank based single carrier frequency division multiple access system

#37
20180212799
2018-07-26

Multicarrier communication system and channel estimation method thereof

#38
20180183641
2018-06-28

Multiple stream transmission method comprising multicarrier modulation selection according to the associated communication type

#39
20180159714
2018-06-07

Transmitting/receiving device and method in wireless communication system

#40
20180083814
2018-03-22

OFDM transmitter with filter banks and corresponding transmission/reception system

#41
20180062766
2018-03-01

Systems and methods for underwater illumination, survey, and wireless optical communications

#42
20180034677
2018-02-01

Double-sideband COFDM signal receivers that demodulate unfolded frequency spectrum

#43
20180019905
2018-01-18

Method and auxiliary method, apparatus base station and user equipment for interference cancellation

#44
20170366222
2017-12-21

Receiver architecture for linear modulation based communication systems

#45
20170359204
2017-12-14

Method and apparatus for controlling interference in QAM-FBMC system

#46
20170331536
2017-11-16

MIMO-FBMC transmitter/receiver with linear precoding implemented in the frequency domain

#47
20170310525
2017-10-26

Method for transmitting a multi-carrier signal, a receiving method, devices, and associated computer programs

#48
20170310515
2017-10-26

Range extension mode for WiFi

#49
20170310514
2017-10-26

Range extension mode for WiFi

#50
20170310505
2017-10-26

Filter for linear modulation based communication systems

#51
20170302408
2017-10-19

Transmitter for FBMC system with block-alamouti type space-time coding

#52
20170295047
2017-10-12

Filtered orthogonal binary phase shift keying modulation with low peak-to-average-power ratio

#53
20170230202
2017-08-10

Channel estimation for FBMC modulation

#54
20170171010
2017-06-15

FBMC signal transmitting method and receiving method, transmitter and receiver

#55
20170134203
2017-05-11

Method and apparatus for generating, transmitting and receiving signals based on filter bank in wireless communication system

#56
20170078061
2017-03-16

Radio base station, user terminal and radio communication method

#57
20170054586
2017-02-23

Method for transmitting a signal with a preamble and corresponding devices, signal with corresponding preamble for synchronization of a receiver

#58
20160330060
2016-11-10

Apparatus for transmitting and receiving a signal and method of transmitting and receiving a signal

#59
20160330057
2016-11-10

Tone count selection

#60
20160212004
2016-07-21

Packet transmission method and apparatus for use in filter bank-based multi-carrier wireless communication

#61
20160164713
2016-06-09

Generalized frequency division multiplexing radio transmission using frequency domain offset-QAM

#62
20160164712
2016-06-09

Orthogonal multicarrier transmission system using conjugate-root Offset-QAM

#63
20160149623
2016-05-26

System and method for multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) offset quadrature amplitude modulation (OQAM)

#64
20160112229
2016-04-21

Modulation method and device delivering a multicarrier signal, and corresponding demodulation method and device and computer program

#65
20160105258
2016-04-14

Systems and methods for circular convolution

#66
20160056936
2016-02-25

Method and system for sending a reference signal, method and system for receiving a reference signal

#67
20160028577
2016-01-28

Reception of 2-subcarriers coherent orthogonal frequency division multiplexed signals

#68
20150312080
2015-10-29

System and method for orthogonal frequency division multiplexing-offset quadrature amplitude modulation

#69
20150304145
2015-10-22

Apparatus for transmitting and receiving a signal and method of transmitting and receiving a signal

#70
20150304144
2015-10-22

Method for determining at least one filter of a filter bank of a transmission or coding system, corresponding device and computer program

#71
20150188744
2015-07-02

OFDM transmitter device having a symbol generator for generating non-zero control symbols, and OFDM transmission method including generating non-zero control symbols

#72
20150180697
2015-06-25

Method of wireless communication with a multi-antenna receiver

#73
20150172013
2015-06-18

Mobile device and method for multiple bandwidth operation with tone count selection

#74
20150171950
2015-06-18

Method of high-bitrate wireless communication with a multi-antenna receiver

#75
20150092885
2015-04-02

Systems and methods for providing and/or using an OFDN-OQAM structure

#76
20150049836
2015-02-19

Method and apparatus for filter bank multi-carrier signal transmission and channel estimation

#77
20150036759
2015-02-05

COFDM using pseudo orthogonal QPSK coding

#78
20150030063
2015-01-29

Characterizing a broadband wireless channel

#79
20140376663
2014-12-25

Apparatus for transmitting and receiving a signal and method of transmitting and receiving a signal

#80
20140348268
2014-11-27

Method, devices and computer program product for modulation and demodulation delivering OFDM/OQAM symbols

#81
20140348267
2014-11-27

Low latency OFDM system

#82
20140348252
2014-11-27

Method for transmitting at least one multi-carrier signal consisting of OFDM-OQAM symbols

#83
20140233664
2014-08-21

System and method for orthogonal frequency division multiplexing-offset quadrature amplitude modulation

#84
20140153675
2014-06-05

Estimation of a time, phase and frequency shift of an OQAM multicarrier signal

#85
20140064407
2014-03-06

Method for modulating an OQAM type multi-carrier signal, and corresponding computer program and modulator

#86
20140016558
2014-01-16

Adaptive system for efficient transmission of power and data through acoustic media

#87
20130148488
2013-06-13

Offset modulation orthogonal frequency division multiplexing (OFDM) and multi-access transmission method with cyclic prefix (CP)

#88
20120243625
2012-09-27

Treatment process of a multicarrier signal with filter banks for synchronisation by preamble

#89
20120093176
2012-04-19

Methods for transmitting and receiving a multicarrier signal implementing prototype filters, corresponding devices for transmitting and receiving, signal and computer program

#90
20110317682
2011-12-29

OFDM transmitter device having a symbol generator for generating non-zero control symbols, and OFDM transmission method including generating non-zero control symbols

#91
20110293029
2011-12-01

Tone count selection

#92
20110188588
2011-08-04

Apparatus for transmitting and receiving a signal and method of transmitting and receiving a signal

#93
20110150110
2011-06-23

Tone count selection

#94
20110110458
2011-05-12

Methods for transmitting and receiving a multicarrier signal comprising a guard interval, corresponding computer program products, transmitting and receiving devices, and signal

#95
20110002408
2011-01-06

Method of transmitting multi-carrier signals in a multi-antenna system

#96
20100290334
2010-11-18

Spectrum characterization for communication equipment

#97
20090316569
2009-12-24

Methods for transmitting and receiving a multicarrier signal, carrying out a channel estimation, and corresponding devices and computer program products

#98
20090268837
2009-10-29

Multicarrier modulation scheme as well as transmission apparatus and reception apparatus using the scheme

#99
20090257518
2009-10-15

Methods for sending and receiving a multicarrier signal comprising a preamble comprising data elements, corresponding devices and computer products

#100
20090122900
2009-05-14

Noise power interpolation in a multi-carrier system

#101
20080260061
2008-10-23

Method for the coding of an OFDM/OQAM signal using symbols with complex values, and corresponding signal, devices and computer programs

#102
20080247482
2008-10-09

OFDM reception in multi-antenna mode

#103
20080159423
2008-07-03

Multicarrier transmission method, multicarrier modulation signal transmission apparatus, multicarrier modulation signal reception apparatus, multicarrier modulation signal transmission method, and pilot signal generation method

#104
20050136934
2005-06-23

Cellular radiotelephone signal with additional channel assigned to downlink, corresponding method, system, mobile and base station

#105
17367395
2023-06-13

Systems and methods for transmitting data via a cable

#106
16729079
2021-01-12

Detector and interference cancellation method for spatial multiplexing filter bank multicarrier with offset quadrature amplitude modulation

#107
14511872
2015-12-08

Systems and methods for circular convolution