ClassID:

225885

H04L2027/0022 - CPC Classification

Classification description:

Modulated-carrier systems; Carrier regulation; Arrangements at the transmitter end using the carrier of the associated receiver of a transceiver

Recent Application in this class:
#1
20250379773
2025-12-11

FREQUENCY MODULATED CONTINUOUS WAVE BASED SYNCHRONIZATION SIGNAL

#2
20210344374
2021-11-04

Systems and methods for die-to-die communication

#3
20200044680
2020-02-06

Systems and methods for die-to-die communication

#4
20170373714
2017-12-28

Systems and methods for die-to-die communication

#5
20170194990
2017-07-06

Transmitter with compensating mechanism of pulling effect

#6
20170111193
2017-04-20

Transceiver group and associated router

#7
20160149746
2016-05-26

Phase synchronization of modulation or demodulation for QAM-based multiband TSV-link

#8
20150078503
2015-03-19

High-frequency signal processing device and wireless communication system

#9
20140334528
2014-11-13

Pre-phase error correction

#10
20140241480
2014-08-28

Hitless efficient transmitter protection of all outdoor radios

#11
20140185694
2014-07-03

Signal receiving system, semiconductor device, and signal receiving method

#12
20130316661
2013-11-28

Transceiver using technique for improvement of phase noise and switching of phase lock loop (PLL)

#13
20130121389
2013-05-16

Estimation of intentional phase shift in a calibration apparatus

#14
20130051290
2013-02-28

High-frequency signal processing device and wireless communication system

#15
20120170622
2012-07-05

Estimation of intentional phase shift in a calibration apparatus

#16
20110279147
2011-11-17

Apparatus and method for phase synchronization in radio frequency transmitters

#17
20110228826
2011-09-22

IQ imbalance correction method in a wireless communication device including a quadrature modulation/demodulation function

#18
20110069744
2011-03-24

Methods and systems to compensate IQ imbalance in wideband zero-if tuners

#19
20110019773
2011-01-27

Signal processing circuit and method with frequency up- and down-conversion

#20
20100261434
2010-10-14

Phase noise correction circuit, transmitter, receiver, radio device, radio communication system, and phase noise correction method

#21
20100056069
2010-03-04

WIRELESS COMMUNICATION APPARATUS

#22
20090196330
2009-08-06

Pre-phase error correction

#23
20090175398
2009-07-09

I/Q imbalance estimation and correction in a communication system

#24
20080254756
2008-10-16

Receiver and wireless communication apparatus

#25
20080139161
2008-06-12

Method for compensating transmission carrier leakage and transceiving circuit embodying the same

#26
20080025435
2008-01-31

Communicating apparatus, method of calculating set value of orthogonal error compensation and orthogonal error compensation program

#27
20070173203
2007-07-26

Frequency offset compensation for communication systems

#28
20060109893
2006-05-25

Inphase/quadrature phase imbalance compensation

#29
20060023796
2006-02-02

ASK communication device

#30
20050105598
2005-05-19

Pre-phase error correction transmitter

#31
20050078743
2005-04-14

Radio frequency control for communication systems