ClassID:

225672

H04L25/0216 - CPC Classification

Classification description:

Baseband systems; Details ; arrangements for supplying electrical power along data transmission lines; Channel estimation of impulse response with estimation of channel length

Recent Application in this class:
#1
20250365179
2025-11-27

METHODS FOR CHANNEL PARAMETER ESTIMATION

#2
20240120983
2024-04-11

TRANSMITTING DEVICE, TRANSMISSION METHOD, RECEIVING DEVICE, AND RECEPTION METHOD

#3
20220078049
2022-03-10

System and method for providing first arrival path (FAP) and delay spread estimation (DSE) in wireless communication system

#4
20220078048
2022-03-10

Method and receiving node for determining channel window length

#5
20220029860
2022-01-27

Method and device for communication detection and air conditioner

#6
20210234587
2021-07-29

Explicit channel state information (CSI) with spatial and time domain compression

#7
20210152674
2021-05-20

Transmitting device, transmission method, receiving device, and reception method

#8
20210075645
2021-03-11

Channel estimation in a multi-layer system

#9
20210058273
2021-02-25

System and method for providing first arrival path (FAP) and delay spread estimation (DSE) in wireless communication system

#10
20190191403
2019-06-20

Time synchronization techniques for wireless communications

#11
20190123946
2019-04-25

Method and system for adaptive guard interval (GI) combining

#12
20190068425
2019-02-28

Tail cancelation and addition of unique word for orthogonal frequency division multiplexing

#13
20190045447
2019-02-07

Microsleep for machine-type communication devices

#14
20180367650
2018-12-20

Transmitting device, transmission method, receiving device, and reception method

#15
20180316523
2018-11-01

Computationally efficient algorithm for mitigating phase noise in OFDM receivers

#16
20180316459
2018-11-01

Method and a system for a receiver design in bandwidth constrained communication systems

#17
20180198662
2018-07-12

Tail cancelation and addition of unique word for orthogonal frequency division multiplexing

#18
20180176040
2018-06-21

Soft-windowing channel estimation

#19
20180152222
2018-05-31

Method and apparatus for estimating channel in communication system supporting MIMO-based beamforming

#20
20180097662
2018-04-05

Echo detection circuit and method for multi-carrier system

#21
20180062808
2018-03-01

Device for transmitting data in wireless communication system

#22
20180013591
2018-01-11

Channel estimation in OFDM communication systems

#23
20170280439
2017-09-28

FTM protocol enhancements for channel delay spread

#24
20170237521
2017-08-17

Apparatus and methods for symbol timing error detection, tracking and correction

#25
20170187564
2017-06-29

Delay span classification for OFDM systems using selective filtering in the frequency domain

#26
20170187441
2017-06-29

Transmission of channel state information based on selected non-frequency domain components of channel responses

#27
20160323133
2016-11-03

Apparatus and methods for symbol timing error detection, tracking and correction

#28
20150319026
2015-11-05

Apparatus and methods for symbol timing error detection, tracking and correction

#29
20150295733
2015-10-15

Sparse ordered iterative group multi-antenna channel estimation

#30
20150222466
2015-08-06

Method and system for adaptive guard interval (GI) combining

#31
20150124860
2015-05-07

Systems and methods for loop length and bridged tap length determination of a transmission line

#32
20150094082
2015-04-02

CHANNEL ESTIMATION USING CYCLIC CORRELATION

#33
20140269894
2014-09-18

Method and a system for a receiver design in bandwidth constrained communication systems

#34
20140269883
2014-09-18

Non-linear time domain channel estimation in OFDM systems

#35
20140241413
2014-08-28

Information processor, receiver, and information processing method

#36
20140226587
2014-08-14

Method and device for denoising in channel estimation, and corresponding computer program and computer readable storage medium

#37
20140211836
2014-07-31

Systems and methods for loop length and bridged tap length determination of a transmission line

#38
20140192854
2014-07-10

Receiver apparatus, method for processing received signal and computer program product

#39
20140126568
2014-05-08

Cell search in wireless communication system

#40
20140112165
2014-04-24

Channel estimation method for TD-SCDMA

#41
20140105333
2014-04-17

Apparatus and method for estimating channel in wireless communication system

#42
20140050288
2014-02-20

Apparatus and methods for symbol timing error detection, tracking and correction

#43
20140044212
2014-02-13

Method for adaptive channel estimation for wireless communication between a vehicle and other communication subscribers using the measurement results of the environment sensor system

#44
20140023130
2014-01-23

Apparatus and method for selective single-carrier equalization

#45
20140016677
2014-01-16

Method and apparatus to dynamically select UE processing capabilities based on channel impulse response estimates

#46
20140003304
2014-01-02

System and apparatus for interference suppression using macrodiversity in mobile wireless networks

#47
20130308131
2013-11-21

Optical system and method for measuring in three-dimensional structures

#48
20130114770
2013-05-09

Method for reducing channel length and corresponding filter and signal

#49
20130094476
2013-04-18

Method and system for blind channel impulse response combining for noise mitigation in channel estimation in a TD-SCDMA receiver

#50
20130070678
2013-03-21

Adaptive pilot structure to assist channel estimation in spread spectrum systems

#51
20130064184
2013-03-14

Receiving apparatus and data obtaining method

#52
20130064126
2013-03-14

Receiving apparatus and data obtaining method

#53
20130051450
2013-02-28

Delay restricted channel estimation for multi-carrier systems

#54
20130028294
2013-01-31

Adaptive pilot structure to assist channel estimation in spread spectrum systems

#55
20130010903
2013-01-10

Method and system for diversity and mask matching in channel estimation in OFDM communication networks using circular convolution

#56
20120314750
2012-12-13

Apparatus and method for selective single-carrier equalization

#57
20120309426
2012-12-06

Method for transmitting location based service-reference signal in wireless communication system and apparatus therefor

#58
20120307939
2012-12-06

Estimation of channel impulse response in a communication receiver

#59
20120224615
2012-09-06

Apparatus and associated methods to perform space-frequency interleaving in a multicarrier wireless communication channel

#60
20120213264
2012-08-23

Channel estimating method and device

#61
20120209900
2012-08-16

Communication system with signal processing mechanism and method of operation thereof

#62
20120183107
2012-07-19

Method and system for adaptive guard interval (GI) combining

#63
20120163503
2012-06-28

Process for estimating the channel from the PSS signal in a LTE communication network, and receiver for the same

#64
20120121032
2012-05-17

Communication station and method for transmitting OFDM symbols with cyclic-delay diversity (CDD)

#65
20120114031
2012-05-10

OFDM signal demodulation method and device thereof

#66
20120106609
2012-05-03

System and method for channel classification

#67
20120106596
2012-05-03

ADAPTIVE PILOT STRUCTURE TO ASSIST CHANNEL ESTIMATION IN SPREAD SPECTRUM SYSTEMS

#68
20120106530
2012-05-03

Multicarrier radio receiver and method for receiving multiple carriers

#69
20120099522
2012-04-26

Cell selecting apparatus and cell selecting method

#70
20120082269
2012-04-05

METHOD FOR CHANNEL ESTIMATION AND DELAY SPREAD APPROXIMATION IN A WIRELESS COMMUNICATION SYSTEM

#71
20120072192
2012-03-22

Systems and methods for loop length and bridged tap length determination of a transmission line

#72
20120027048
2012-02-02

Method and arrangement of delay spread compensation

#73
20120020439
2012-01-26

Receiver with channel estimation circuitry

#74
20110310999
2011-12-22

Dynamic optimization of overlap-and-add length

#75
20110280349
2011-11-17

Apparatus and methods for symbol timing error detection, tracking and correction

#76
20110274187
2011-11-10

Method and a channel estimating arrangement for performing channel estimation

#77
20110255433
2011-10-20

Robust packet detection, symbol timing, channel length estimation and channel response estimation for wireless systems

#78
20110244915
2011-10-06

System and apparatus for interference suppression using macrodiversity in mobile wireless networks

#79
20110243284
2011-10-06

Delay restricted channel estimation for multi-carrier systems

#80
20110235729
2011-09-29

Receiver with high performance channel estimation

#81
20110235688
2011-09-29

Receiving device

#82
20110222632
2011-09-15

Receiving apparatus and receiving method

#83
20110200073
2011-08-18

Device and method for estimating doppler spread in a mobile communications terminal

#84
20110170588
2011-07-14

Apparatus and method for chip level equalization in wireless communication system

#85
20110129035
2011-06-02

Self-adaptive frequency interpolator for use in a multi-carrier receiver

#86
20110116533
2011-05-19

Apparatus and methods for reducing channel estimation noise in a wireless transceiver

#87
20110116396
2011-05-19

Methods and apparatus for time tracking using assistance from TDM pilots in a communication network

#88
20110110447
2011-05-12

Scattered pilot correlation in DVB-H systems

#89
20110110446
2011-05-12

Scattered pilot correlation in DVB-H systems

#90
20110080844
2011-04-07

Adaptative Multi-Carrier Code Division Multiple Access

#91
20110069790
2011-03-24

Receiver and method

#92
20110064128
2011-03-17

Receiving device and channel estimation method

#93
20110058597
2011-03-10

Equalisation processing

#94
20110051863
2011-03-03

Channel estimator

#95
20110038404
2011-02-17

Method and apparatus for estimating channel length in wired communication system

#96
20110026652
2011-02-03

Method and system for diversity and mask matching in channel estimation in OFDM communication networks using circular convolution

#97
20110026569
2011-02-03

Systems and methods for loop length and bridged tap length determination of a transmission line

#98
20110013687
2011-01-20

Low complexity fine timing synchronization method and system for stimi

#99
20110002403
2011-01-06

Method and apparatus for positioning an FFT-window in an OFDM-receiver

#100
20100329400
2010-12-30

Estimating method for maximum channel delay and cyclic prefix (CP) averaging method in OFDM receiver

#101
20100316044
2010-12-16

Timing synchronization and channel estimation at a transition between local and wide area waveforms using a designated TDM pilot

#102
20100304699
2010-12-02

Method and apparatus for position signal assisted window placement

#103
20100303161
2010-12-02

Receiver apparatus

#104
20100290570
2010-11-18

Method and apparatus for channel estimation in OFDM

#105
20100278283
2010-11-04

Apparatus and associated methods to perform space-frequency interleaving in a multicarrier wireless communication channel

#106
20100265968
2010-10-21

Synchronization time difference measurements in OFDM systems

#107
20100246639
2010-09-30

Time-hopping sequence for burst mode communications

#108
20100246637
2010-09-30

Wireless communication device, wireless communication system, and method for detecting receive timing of direct wave

#109
20100246564
2010-09-30

Methods and systems for timing acquisition robust to channel fading

#110
20100239034
2010-09-23

Method for transmitting location based service—reference signal in wireless communication system and apparatus therefor

#111
20100238980
2010-09-23

Signal Reception with Adjustable Processing Delay Placement

#112
20100226423
2010-09-09

Method and apparatus for equalization in clustered channels

#113
20100220797
2010-09-02

COMMUNICATION APPARATUS

#114
20100215368
2010-08-26

Single wavelength source-free OFDMA-PON communication systems and methods

#115
20100215083
2010-08-26

Method for Allocating Rake Fingers in Multi-Carrier Systems

#116
20100215081
2010-08-26

Determining channel coefficients in a multipath channel

#117
20100208603
2010-08-19

RECEIVING APPARATUS AND DATA OBTAINING METHOD

#118
20100202301
2010-08-12

METHOD FOR SWITCHING BETWEEN A LONG GUARD INTERVAL AND A SHORT GUARD INTERVAL AND MODULE USING THE SAME

#119
20100172399
2010-07-08

Channel selection exploiting multiple observations of the channel delay spread

#120
20100167679
2010-07-01

Method and arrangement for improved model order selection

#121
20100142602
2010-06-10

Systems and methods for loop length and bridged tap length determination of a transmission line

#122
20100097997
2010-04-22

MIMO transmitter and methods for transmitting OFDM symbols with cyclic-delay diversity

#123
20100085865
2010-04-08

Method and an apparatus for estimating a delay spread of a multipath channel

#124
20100085362
2010-04-08

Equalization simulator with training sequence detection for an oscilloscope

#125
20100074382
2010-03-25

Receiving device, receiving method, and program

#126
20100074317
2010-03-25

Truncation of noisy taps in channel estimation

#127
20100046652
2010-02-25

Receiving device, signal processing method, and program

#128
20100040176
2010-02-18

Channel impulse response estimate management

#129
20100027720
2010-02-04

Channel estimating method and channel estimator

#130
20100027410
2010-02-04

Apparatus and associated methods to perform space-frequency interleaving in a multicarrier wireless communication channel

#131
20090316837
2009-12-24

Sample rearrangement for a communication system with cyclic extension

#132
20090304122
2009-12-10

RECEIVER ARCHITECTURE

#133
20090304063
2009-12-10

Equalizer based receiver operation method and apparatus in a mobile communication system

#134
20090290664
2009-11-26

Receiver for wireless communication network with extended range

#135
20090285317
2009-11-19

Methods and systems for effective channel estimation in OFDM systems

#136
20090285314
2009-11-19

Adaptive frequency domain equalization in OFDM based communication system

#137
20090279589
2009-11-12

Adaptive pilot structure to assist channel estimation in spread spectrum systems

#138
20090279420
2009-11-12

BASE STATION APPARATUS, RADIO TRANSMISSION SYSTEM, RADIO BASE STATION PROGRAM, AND TIMING ESTIMATION METHOD

#139
20090274252
2009-11-05

Delay restricted channel estimation for multi-carrier systems

#140
20090268825
2009-10-29

Receiver, transmission method and transmission system

#141
20090257515
2009-10-15

Transmission method of wireless signal and transmitter using the same

#142
20090245338
2009-10-01

Method and device for channel response determination

#143
20090225823
2009-09-10

Equalization apparatus, equalization method and receiver using the same

#144
20090221254
2009-09-03

Reception apparatus, reception method and program

#145
20090213950
2009-08-27

PILOT SIGNAL TRANSMISSION FOR AN ORTHOGONAL FREQUENCY DIVISION WIRELESS COMMUNICATION SYSTEM

#146
20090190675
2009-07-30

SYNCHRONIZATION IN A BROADCAST OFDM SYSTEM USING TIME DIVISION MULTIPLEXED PILOTS

#147
20090161733
2009-06-25

Radio communication system, transmitter, receiver and radio communicating method

#148
20090154547
2009-06-18

Scattered pilot correlation in DVB-H systems

#149
20090122927
2009-05-14

Receiver for wireless communication network with extended range

#150
20090110099
2009-04-30

Signal receiving apparatus, signal receiving method and program

#151
20090103640
2009-04-23

Method and an apparatus for timing control of channel estimation

#152
20090092194
2009-04-09

Adaptive pilot design for mobile system

#153
20090080548
2009-03-26

OFDM demodulation device

#154
20090074100
2009-03-19

Apparatus and method for detecting cyclic prefix length in mobile communication system

#155
20090060100
2009-03-05

Wireless communication apparatus and wireless communication method

#156
20090059885
2009-03-05

Adaptive time-domain interpolation for OFDM scattered pilot symbols

#157
20090046792
2009-02-19

Method and system of time-of-arrival estimation for ultra wideband multi-band orthogonal frequency division multiplexing signals

#158
20090028220
2009-01-29

Robust packet detection, symbol timing, channel length estimation and channel response estimation for wireless systems

#159
20090016455
2009-01-15

Robust channel estimation for wireless systems

#160
20080318613
2008-12-25

System and apparatus for interference suppression using macrodiversity in mobile wireless networks

#161
20080317153
2008-12-25

Adaptive technique for inter-carrier-interference canceling in OFDM systems

#162
20080310565
2008-12-18

Dynamic optimization of overlap-and-add length

#163
20080310484
2008-12-18

Software adaptable high performance multicarrier transmission protocol

#164
20080304605
2008-12-11

Method of providing a data signal for channel estimation and circuit thereof

#165
20080285638
2008-11-20

Channel equalization in a receiver

#166
20080260008
2008-10-23

Methods and apparatus for time tracking using assistance from TDM pilots in a communication network

#167
20080240263
2008-10-02

OFDM/OFDMA timing synchronization using non-consecutive pilot subcarrier assignment

#168
20080165908
2008-07-10

Methods and apparatus for timing synchronization based on transitional pilot symbols

#169
20080165901
2008-07-10

Method and apparatus for processing signals received from a channel having a variable channel length

#170
20080165874
2008-07-10

High performance station

#171
20080123728
2008-05-29

Channel memory length selection method and apparatus for wireless communication systems

#172
20080107201
2008-05-08

Receiver and method performing adaptive overlap and add function in multi band orthogonal frequency division multiplexing scheme

#173
20080075186
2008-03-27

OFDM receiver and OFDM signal receiving method

#174
20080063042
2008-03-13

Equalization method with adjustable equalizer span

#175
20080008081
2008-01-10

Adaptative multi-carrier code division multiple access

#176
20070258509
2007-11-08

Transmission method and transmission apparatus in an OFDM-CDMA communication system

#177
20070223366
2007-09-27

OFDM symbol design for different channel conditions and for backward compatibility with 1xEV-DO and NxEV-DO

#178
20070211765
2007-09-13

Timing synchronization and channel estimation at a transition between local and wide area waveforms using a designated TDM pilot

#179
20070206689
2007-09-06

METHOD AND APPARATUS FOR CHANNEL ESTIMATION IN AN ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING SYSTEM

#180
20070201583
2007-08-30

Ethernet channel estimation device and method

#181
20070183519
2007-08-09

Method for channel estimation in orthogonal frequency division multiplexing system and device thereof

#182
20070177685
2007-08-02

OFDM demodulator, receiver, and method

#183
20070177655
2007-08-02

Method and device for selecting spreading parameters for an OFDM-CDMA system

#184
20070171993
2007-07-26

Adaptive overlap and add circuit and method for zero-padding OFDM system

#185
20070171960
2007-07-26

Apparatus and methods for implementing a split equalizer filter for sparse channels

#186
20070165707
2007-07-19

Hybrid rake/equalizer receiver for spread spectrum systems

#187
20070121712
2007-05-31

Characterizing broadband communication networks

#188
20070110127
2007-05-17

Method and apparatus for deriving a channel impulse response estimate for a wireless channel

#189
20070098120
2007-05-03

Apparatus and methods for reducing channel estimation noise in a wireless transceiver

#190
20070071153
2007-03-29

Adaptive reception techniques for over-sampled receivers

#191
20070041477
2007-02-22

Characterizing channel response in a single upstream burst using redundant information from training tones

#192
20070036231
2007-02-15

Demodulation device and demodulation method

#193
20070014343
2007-01-18

Determination of data rate, based on power spectral density estimates

#194
20060274820
2006-12-07

Receiver for wireless communication network with extended range

#195
20060269016
2006-11-30

Adaptive interpolator for channel estimation

#196
20060245349
2006-11-02

Collection window positioning using time tracking information

#197
20060239367
2006-10-26

Low complexity inter-carrier interference cancellation

#198
20060239178
2006-10-26

Reduced complexity channel estimation in OFDM systems

#199
20060233097
2006-10-19

Time tracking for a communication system

#200
20060222099
2006-10-05

Channel length estimation and accurate FFT window placement for high-mobility OFDM receivers in single frequency networks

#201
20060215539
2006-09-28

Trend influenced time tracking

#202
20060209732
2006-09-21

Pilot signal transmission for an orthogonal frequency division wireless communication system

#203
20060203710
2006-09-14

Channel estimate optimization for multiple transmit modes

#204
20060171297
2006-08-03

Delay restricted channel estimation for multi-carrier systems

#205
20060159203
2006-07-20

Method and apparatus for channel estimation of transmission channels with memory in digital telecommunications systems, and corresponding computer-program product

#206
20060140297
2006-06-29

Multicarrier receiver and methods of generating spatial correlation estimates for signals received with a plurality of antennas

#207
20060133547
2006-06-22

Method and corresponding arrangement for DC offset compensation using channel estimation

#208
20060125817
2006-06-15

Synchronization and estimation of a transmission channel

#209
20060067441
2006-03-30

Apparatus and method for estimating delay spread of multi-path fading channel in wireless communication system

#210
20060029164
2006-02-09

Wired/wireless communication receiver and method for improving performance of equalizer through multipath delay spread estimation

#211
20050276364
2005-12-15

CDMA pilot assisted channel estimation

#212
20050271026
2005-12-08

Method and apparatus for detecting a cell in an orthogonal frequency division multiple access system

#213
20050232133
2005-10-20

Method of receiving and processing a multi-carrier signal and multi-carrier reception device employing the method

#214
20050213680
2005-09-29

Receiver for recovering data from an OFDM symbol

#215
20050204208
2005-09-15

Digital data receiver for edge cellular standard with DC offset correction, channel impulse response estimation, I/Q phase imbalance compensation, interference estimation, and selective equalization

#216
20050190871
2005-09-01

Multicarrier communication using a time domain equalizing filter

#217
20050170781
2005-08-04

Channel adaptation using variable sounding signal rates

#218
20050163193
2005-07-28

Radio communication system, transmitter, receiver and radio communicating method

#219
20050159115
2005-07-21

Apparatus and associated methods to perform space-frequency interleaving in a multicarrier wireless communication channel

#220
20050157682
2005-07-21

Methods and apparatus to control transmission of a multicarrier wireless communication channel through multiple antennas

#221
20050123030
2005-06-09

Systems and methods for loop length and bridged tap length determination of a transmission line

#222
20050111538
2005-05-26

Method and apparatus for improving the quality of channel estimation algorithms using training sequences

#223
20050107969
2005-05-19

Delay profile estimation apparatus and a correlating unit

#224
20050084039
2005-04-21

Method for joint DC offset correction and channel coefficient estimation in a receiver

#225
20050073949
2005-04-07

OFDM signal receiving apparatus and OFDM signal receiving method

#226
20050036539
2005-02-17

Adaptive channel estimation by means of variation of the integration length during the despreading of spread-coded training symbol sequences

#227
16353980
2020-06-23

Symbol rate determination method and measurement instrument

#228
16036116
2019-10-22

Method of determining optimum tap coefficients for channel smoothing