ClassID:

224878 ⎘

H04L1/244 - CPC Classification

Classification description:

Arrangements for detecting or preventing errors in the information received; Testing correct operation by comparing a transmitted test signal with a locally generated replica test sequence generators

Recent Application in this class:
#1
20260135646
2026-05-14

METHOD, COMPUTER PROGRAM PRODUCT, AND TEST DEVICE FOR GENERATING A TEST DATA SET FOR TESTING A RECEIVER, AND TEST DATA SET

#2
20250038881
2025-01-30

TECHNIQUES FOR IMPLEMENTING AN ITERATIVE CODING PROCEDURE

#3
20240421946
2024-12-19

System for testing and verification of serial communication protocols

#4
20240405917
2024-12-05

Analyzing bit error data to determine a root cause of errors in a digital system

#5
20220416960
2022-12-29

Testing networked system using abnormal node failure

#6
20220397605
2022-12-15

Test method and apparatus of communication chip, device and medium

#7
20220337359
2022-10-20

Jitter tolerance measurement apparatus and jitter tolerance measurement method

#8
20220190973
2022-06-16

ARRAY FOR WIRED TESTING OF MULTI-INPUT AND MULTI-OUTPUT SIGNALS

#9
20210176021
2021-06-10

ADJUSTING METHOD FOR DATA TRANSMISSION

#10
20210160018
2021-05-27

AUTOMATED CUSTOMIZATION WITH COMPATIBLE OBJECTS

#11
20200204950
2020-06-25

METHOD FOR AUTOMATICALLY ADJUSTING SUPL PROTOCOL, AND STORAGE MEDIUM AND MOBILE TERMINAL

#12
20200044795
2020-02-06

Parameter setting transmission and reception system and parameter setting method

#13
20200044771
2020-02-06

Forward error correction with optical and electrical transponder

#14
20190349225
2019-11-14

Methods and circuits for generating parallel pseudorandom binary sequences

#15
20190327036
2019-10-24

Method and system for an optoelectronic built-in self-test system for silicon photonics optical transceivers

#16
20190190750
2019-06-20

Test instrument for testing devices internally performing signal conversions

#17
20180351667
2018-12-06

Bias removal in PRBS based channel estimation

#18
20180279141
2018-09-27

Vehicle communication module and diagnostic device and method for testing thereof

#19
20180278344
2018-09-27

Error measurement method using a time-variant stopband test signal

#20
20180241517
2018-08-23

Method and system for an optoelectronic built-in self-test system for silicon photonics optical transceivers

#21
20180219651
2018-08-02

Modular PIM analyzer and method using the same

#22
20180191472
2018-07-05

Bias removal in PRBS based channel estimation

#23
20180139015
2018-05-17

Transmitter noise in system budget

#24
20180091335
2018-03-29

Test instrument for testing devices internally performing signal conversions

#25
20180076925
2018-03-15

Forward error correction with optical and electrical transponder

#26
20180013542
2018-01-11

Method and device for synchronizing input/output signals by radio frequency unit in wireless communication system

#27
20170317792
2017-11-02

Measuring amplitude and phase response of measurement instrument with binary phase shift keying test signal

#28
20170310432
2017-10-26

Network link monitoring and testing

#29
20170230129
2017-08-10

APPARATUS, PORTABLE APPARATUS AND METHOD FOR DETECTING PASSIVE INTERMODULATION

#30
20170155440
2017-06-01

Communications link performance analyzer that accommodates forward error correction

#31
20170149539
2017-05-25

Joint estimation of coefficients for skew, gain imbalance and channel response for signal sources

#32
20160352474
2016-12-01

Method and apparatus for evaluating and optimizing a signaling system

#33
20160344577
2016-11-24

DFE margin test methods and circuits that decouple sample feedback timing

#34
20160329996
2016-11-10

FAILURE SENSITIVITY ANALYSIS

#35
20160277950
2016-09-22

Method for monitoring communication between a transmitter and a receiver

#36
20160277270
2016-09-22

Method for monitoring communication between a transmitter and a receiver

#37
20160169709
2016-06-16

Device and method for checking a clock signal of a position measuring device

#38
20160149675
2016-05-26

Transmitter noise in system budget

#39
20150381273
2015-12-31

Method and system for an optoelectronic built-in self-test system for silicon photonics optical transceivers

#40
20150318935
2015-11-05

Apparatus and method for non-determinative testing using unscripted communications between a network simulator and an equipment under test

#41
20150280870
2015-10-01

Transmitter noise injection

#42
20150180618
2015-06-25

Online design validation for electronic devices

#43
20150142970
2015-05-21

Network link monitoring and testing

#44
20150131707
2015-05-14

Testing a decision feedback equalizer (‘DFE’)

#45
20150016495
2015-01-15

Transmitter noise in system budget

#46
20140181601
2014-06-26

Method of testing multiple data packet signal transceivers concurrently

#47
20140173367
2014-06-19

Systems and methods for differential pair in-pair skew determination and compensation

#48
20140148112
2014-05-29

Technique and test signal for determining signal path properites

#49
20140047110
2014-02-13

Device level enablement of a communications protocol

#50
20130301692
2013-11-14

METHOD FOR RANGING WITHOUT DOCSIS CHIPSET

#51
20130287083
2013-10-31

Method and apparatus for generating jitter test patterns on a high performance serial bus

#52
20130250776
2013-09-26

Method and a device for relaying in a communications network

#53
20130137380
2013-05-30

METHOD AND SYSTEM FOR TESTING A WIRELESS NETWORK DEVICE

#54
20130022147
2013-01-24

Coherent detection using coherent decoding and interleaving

#55
20130010851
2013-01-10

Test signal generation and application in receivers

#56
20120147986
2012-06-14

Method and apparatus for evaluating and optimizing a signaling system

#57
20120140840
2012-06-07

Data path utilization for low level pattern generation and checkiing

#58
20120121001
2012-05-17

Digital communications test system for multiple input, multiple output (MIMO) systems

#59
20120121000
2012-05-17

Digital communications test system for multiple input, multiple output (MIMO) systems

#60
20120042213
2012-02-16

Wireless diagnostic system

#61
20110271155
2011-11-03

Method and apparatus for measuring symbol and bit error rates independent of disparity errors

#62
20110214043
2011-09-01

High integrity data bus fault detection using multiple signal components

#63
20110137603
2011-06-09

Enforcing Worst-Case Behavior During Transmit Channel Analysis

#64
20110096821
2011-04-28

Digital communications test system for multiple input, multiple output (MIMO) systems

#65
20110072153
2011-03-24

Apparatus, system, and method for device level enablement of a communications protocol

#66
20110057665
2011-03-10

Test apparatus for digital modulated signal

#67
20110004818
2011-01-06

Method for visually confirming a relationship between an edited packet and serial data

#68
20100325302
2010-12-23

Generic on-chip homing and resident, real-time bit exact tests

#69
20100251040
2010-09-30

Method and apparatus for evaluating and optimizing a signaling system

#70
20100244881
2010-09-30

Transmission characteristics measurement apparatus, transmission characteristics measurement method, and electronic device

#71
20100220777
2010-09-02

Test apparatus for 64B/66B encoding process

#72
20100197240
2010-08-05

Method of and a device for generating a signal having a predetermined quality criterion for use in or on a communication system

#73
20100138729
2010-06-03

Pseudorandom binary sequence checker with control circuitry for end-of-test check

#74
20100138181
2010-06-03

TESTING APPARATUS

#75
20100123471
2010-05-20

Digital communications test system for multiple input, multiple output (MIMO) systems

#76
20100097942
2010-04-22

Serializer/deserializer test modes

#77
20100020861
2010-01-28

DFE Margin Test Methods and Circuits that Decouple Sample and Feedback Timing

#78
20090296797
2009-12-03

Data Description Method and Related Packet and Testing System for a Serial Transmission Interface

#79
20090290651
2009-11-26

Transmitters for loop-back adaptive pre-emphasis data transmission

#80
20090290621
2009-11-26

TRANSCEIVER CIRCUITS FOR LOOP-BACK ADAPTIVE PRE-EMPHASIS DATA TRANSMISSION

#81
20090259422
2009-10-15

Transmission medium testing apparatus and method

#82
20090222234
2009-09-03

Generating worst case test sequences for non-linearly driven channels

#83
20090209210
2009-08-20

Driver circuit and test apparatus

#84
20090184860
2009-07-23

E-Band receiver and bit error measurement

#85
20080240219
2008-10-02

Methods and circuits for performing margining tests in the presence of a decision feedback equalizer

#86
20080224722
2008-09-18

Semiconductor integrated circuit

#87
20080183923
2008-07-31

Determining an Optimal Data Transfer Rate Via a Transfer Medium

#88
20080159367
2008-07-03

Signal processing device and method

#89
20080141074
2008-06-12

Error detector and error detection method

#90
20080140427
2008-06-12

Generic on-chip homing and resident, real-time bit exact tests

#91
20080097765
2008-04-24

Generic on-chip homing and resident, real-time bit exact tests

#92
20080089457
2008-04-17

Jitter injection apparatus, jitter injection method, testing apparatus, and communication chip

#93
20080088320
2008-04-17

Network measuring and apparatus for magnitude and phase portion independently

#94
20080068001
2008-03-20

Method for eliminating interference in measuring signals

#95
20070277069
2007-11-29

Characterizing jitter sensitivity of a serializer/deserializer circuit

#96
20070234139
2007-10-04

Method and apparatus for verifying the correctness of FTAP data packets received on the FLO waveform

#97
20070208978
2007-09-06

DVI link with circuit and method for test

#98
20070183302
2007-08-09

Interoperability verification for implementation according to communication standard

#99
20070165472
2007-07-19

METHOD AND APPARATUS FOR EVALUATING AND OPTIMIZING A SIGNALING SYSTEM

#100
20070088998
2007-04-19

Serializer/deserializer circuit for jitter sensitivity characterization

#101
20070064510
2007-03-22

Method and apparatus for evaluating and optimizing a signaling system

#102
20060253757
2006-11-09

Offset test pattern apparatus and method

#103
20060253748
2006-11-09

Exploitive test pattern apparatus and method

#104
20060227912
2006-10-12

DFE margin test methods and circuits that decouple sample and feedback timing

#105
20060221842
2006-10-05

Systems and methods for testing system links

#106
20060209943
2006-09-21

Method and apparatus for generating jitter test patterns on a high performance serial bus

#107
20060200708
2006-09-07

System and method for network error rate testing

#108
20060195776
2006-08-31

Linear feedback shift register first-order noise generator

#109
20060143549
2006-06-29

Method and Apparatus for Measuring Bit Error Rate (BER) of Tuner

#110
20060133468
2006-06-22

Bit error rate tester and pseudo random bit sequences generator thereof

#111
20060120444
2006-06-08

Data-dependent jitter (DDJ) calibration methodology

#112
20060075318
2006-04-06

Self verifying communications testing

#113
20060034358
2006-02-16

Methods and transmitters for loop-back adaptive pre-emphasis data transmission

#114
20060018374
2006-01-26

Method of producing a two-dimensional probability density function (PDF) eye diagram and Bit Error Rate eye arrays

#115
20050265427
2005-12-01

Up converted PRN generator

#116
20050228605
2005-10-13

Devices and methods for testing clock and data recovery devices

#117
20050185593
2005-08-25

Transmission medium testing apparatus and method

#118
20050164638
2005-07-28

Method for the filtering of noise from measured signals

#119
20050154953
2005-07-14

Multiple function pattern generator and comparator having self-seeding test function

#120
20050047339
2005-03-03

Discovering diagnostic port functionality in a distributed system

#121
20050025193
2005-02-03

Method and apparatus for test pattern generation

#122
20050008068
2005-01-13

Adsl pre-qualification method comprising echo-canceller optimisation with maximum selectivity

#123
17405171
2022-12-13

Built-in-self-test and characterization of a high speed serial link receiver

#124
15149937
2017-09-05

Generating and checking a quaternary pseudo random binary sequence

#125
12475178
2017-05-30

Automatic test generation for model-based code coverage