ClassID:

226019

H04L27/2642 - CPC Classification

Classification description:

Modulated-carrier systems; Systems using multi-frequency codes; Multicarrier modulation systems; Arrangements specific to the transmitter only; Modulators Wavelet transform modulators

Recent Application in this class:
#1
20260142862
2026-05-21

A METHOD FOR REMAPPING A TIME-CONTINUOUS SIGNAL TO ONE OR MORE TIME-FREQUENCY SPACE COEFFICIENTS AND DEVICES THEREFORE

#2
20250231579
2025-07-17

METHODS FOR DESIGNING HIGH FREEDOM PARAMETERIZED FREQUENCY-MODULATED CODED WAVEFORM

#3
20210226834
2021-07-22

Efficient peak-to-average-power reduction for OFDM and MIMO-OFDM

#4
20170054471
2017-02-23

Transmission signal generating/detecting method using code sequences, communication system using the same and measurement system using the same

#5
20150382237
2015-12-31

NETWORK APPARATUS BASED ON ORTHOGONAL FREQUENCY-DIVISION MULTIPLEXING (OFDM) AND DATA COMPRESSION AND DATA RECOVERY METHOD THEREOF USING COMPRESSED SENSING

#6
20150326246
2015-11-12

Method for collecting signal with sampling frequency lower than Nyquist frequency

#7
20140235186
2014-08-21

Radio frequency signal transmission method and device

#8
20140037291
2014-02-06

Butterfly filter coefficient setting method and device, receiver and receiving method

#9
20140036964
2014-02-06

Transmission signal generating/detecting method using code sequences, communication system using the same and measurement system using the same

#10
20120321318
2012-12-20

Carrier and subcarrier hopping for optical OFDM security

#11
20120230694
2012-09-13

Optical transmitter

#12
20110058594
2011-03-10

COMMUNICATION METHOD AND POWER LINE COMMUNICATION TERMINAL

#13
20090310699
2009-12-17

Communication apparatus, communication method, and integrated circuit

#14
20090220018
2009-09-03

TRANSMITTER AND METHOD FOR DIGITAL MULTI-CARRIER TRANSMISSION

#15
20090141836
2009-06-04

Reception device

#16
20080316912
2008-12-25

Combined OFDM and wavelet multi-carrier transceiver

#17
20070009055
2007-01-11

Multicarrier communication apparatus, integrated circuit, and multicarrier communication method

#18
20060133528
2006-06-22

Receiver and communication method for digital multi-carrier communication

#19
20050152464
2005-07-14

Multi-channel wavelet codec

#20
20050031048
2005-02-10

Transmitter and method for digital multi-carrier transmission

#21
20050008086
2005-01-13

Receiver and method for digital multi carrier transmission