ClassID:

226083

H04L27/3854 - 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; Demodulator circuits; Receiver circuits using non - coherent demodulation, i.e. not using a phase synchronous carrier using a non - coherent carrier, including systems with baseband correction for phase or frequency offset

Sub-classes:
Recent Application in this class:
#1
20250158858
2025-05-15

HYBRID CLOCKING SCHEME FOR SERDES PHYSICAL LAYER CIRCUITS

#2
20240097962
2024-03-21

SIGNAL PROCESSING

#3
20230275798
2023-08-31

DEVICE FOR LINEAR RECEPTION PROCESSING OF LOW-COMPLEXITY LIGHT OF MULTI-ANTENNA WIRELESS COMMUNICATION SYSTEM, AND OPERATING METHOD THEREFOR

#4
20220070046
2022-03-03

Modulation format estimation device, and modulation format estimation method

#5
20210266217
2021-08-26

Apparatus and method for correcting deviation between plurality of transmission channels

#6
20200328929
2020-10-15

Apparatus and method for correcting deviation between plurality of transmission channels

#7
20200244509
2020-07-30

IN-PHASE AND QUADRATURE-PHASE ESTIMATION AND CORRECTION USING KERNEL ANALYSIS

#8
20200059701
2020-02-20

Broadcast signal frame generation device and broadcast signal frame generation method using bootstrap including symbol for signaling BICM mode of preamble and OFDM parameter together

#9
20190173487
2019-06-06

Method for transmitting and receiving compressed data and apparatus for the same

#10
20190082228
2019-03-14

Broadcast signal frame generation device and broadcast signal frame generation method using bootstrap including symbol for signaling BICM mode of preamble and OFDM parameter together

#11
20180337814
2018-11-22

Signal design for diverse data rates

#12
20180198573
2018-07-12

Systems and methods for asynchronous re-modulation with adaptive I/Q adjustment

#13
20180183527
2018-06-28

Channel estimation using intra-symbol frequency domain averaging

#14
20180098293
2018-04-05

System and method that facilitates a coexistence of fifth generation new radio resource technology with narrowband internet-of-things technology

#15
20180054654
2018-02-22

Broadcast signal frame generation device and broadcast signal frame generation method using bootstrap including symbol for signaling BICM mode of preamble and OFDM parameter together

#16
20180054344
2018-02-22

Apparatus and method for estimating carrier frequency offset

#17
20170359210
2017-12-14

Systems and methods for estimating skew

#18
20170331664
2017-11-16

Methods and apparatus for frequency offset estimation

#19
20170244589
2017-08-24

Receiving circuit for estimating frequency offset and associated method

#20
20160241426
2016-08-18

System and method for transmitting data with useful signal detection at the receiver end

#21
20150295748
2015-10-15

Bit-likelihood calculating apparatus and bit-likelihood calculating method

#22
20150215084
2015-07-30

Systems and methods for asynchronous re-modulation with adaptive I/Q adjustment

#23
20150023456
2015-01-22

Systems and methods for asynchronous re-modulation with adaptive I/Q adjustment

#24
20140314184
2014-10-23

Wireless transmitter for multi-mode concurrent transmission of signals complying with different communication standards

#25
20140247912
2014-09-04

Method and apparatus for correcting in-phase signal and quadrature-phase signal

#26
20140128016
2014-05-08

Systems and methods for asynchronous re-modulation with adaptive I/Q adjustment

#27
20130259173
2013-10-03

Receiver-side estimation of and compensation for signal impairments

#28
20130259153
2013-10-03

Paired OFDM pilot symbols

#29
20130170576
2013-07-04

Assembly and Method for Detecting Multiple Level Signals

#30
20130155833
2013-06-20

Apparatus and method for I/Q offset cancellation in SC-FDMA system

#31
20130121389
2013-05-16

Estimation of intentional phase shift in a calibration apparatus

#32
20130101001
2013-04-25

Modem device and amplitude adjustment method

#33
20130064148
2013-03-14

Single frequency synthesizer based FDD transceiver

#34
20120170622
2012-07-05

Estimation of intentional phase shift in a calibration apparatus

#35
20120163499
2012-06-28

Apparatus, method, and system for transmitting and receiving high-speed data in point-to-point fixed wireless communication

#36
20120142300
2012-06-07

Communication device including multiple LO receivers

#37
20120140685
2012-06-07

SIMPLIFIED ADAPTIVE FILTER ALGORITHM FOR THE CANCELLATION OF TX-INDUCED EVEN ORDER INTERMODULATION PRODUCTS

#38
20120126877
2012-05-24

Demodulation mixing for a near field communications (NFC) device

#39
20120026860
2012-02-02

APPARATUS AND METHOD FOR CROSS PHASE MODULATION RECOVERY

#40
20120014472
2012-01-19

Method, apparatus, and system for microwave signal correction

#41
20110110472
2011-05-12

Method, apparatus, and system for microwave signal correction

#42
20100283909
2010-11-11

Decoupled data-aided carrier tracking loop and symbol timing recovery loop

#43
20100265991
2010-10-21

RECEIVING APPARTUS, RECEIVING METHOD, PHASE TRACKING APPARATUS, AND PHASE TRACKING METHOD OF PULSE-BASED UWB WIRELESS SYSTEM

#44
20100142658
2010-06-10

Apparatus and method for removing common phase error in a DVB-T/H receiver

#45
20100119013
2010-05-13

Apparatus and method for removing common phase error in a DVB-T/H receiver

#46
20090310524
2009-12-17

Receiver and receiving method of the receiver

#47
20090274240
2009-11-05

Communication system

#48
20080309436
2008-12-18

MULTI-INPUT MULTI-OUTPUT AMPLIFIER, AN ACTIVE INDUCTOR, A FILTER AND A RADIO COMMUNICATION DEVICE

#49
20080298511
2008-12-04

Soft-Output Demodulation Apparatus and Method

#50
20080215951
2008-09-04

Communication system

#51
20080069259
2008-03-20

Communication system

#52
20080043870
2008-02-21

Communication system

#53
20070297534
2007-12-27

High bit rate RFID system

#54
20070293256
2007-12-20

Efficient doppler compensation method and receiver for orthogonal-frequency-division-multiplexing (OFDM) systems

#55
20070268978
2007-11-22

Carrier offset estimator

#56
20050170805
2005-08-04

Mobile radio receiver device

#57
20050129148
2005-06-16

Control algorithm in QAM modems

#58
20050018785
2005-01-27

Communication system

#59
18320091
2024-10-08

Modulation order selection associated with resiliency against spur impairment

#60
17305578
2023-08-22

Digitally-controlled quadrature correction loop

#61
16155715
2020-02-11

Digital compensation for RF imperfections of a system composed of multiple modules

#62
14548320
2015-11-10

Methods and apparatus for wideband imbalance compensation