TW200640160A - Signal testing system - Google Patents

Signal testing system

Info

Publication number
TW200640160A
TW200640160A TW094114181A TW94114181A TW200640160A TW 200640160 A TW200640160 A TW 200640160A TW 094114181 A TW094114181 A TW 094114181A TW 94114181 A TW94114181 A TW 94114181A TW 200640160 A TW200640160 A TW 200640160A
Authority
TW
Taiwan
Prior art keywords
signal
testing
testing system
analyzer
enables
Prior art date
Application number
TW094114181A
Other languages
English (en)
Chinese (zh)
Other versions
TWI294721B (https=
Inventor
I-Ru Liu
Original Assignee
Arcadyan Technology Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Arcadyan Technology Corp filed Critical Arcadyan Technology Corp
Priority to TW094114181A priority Critical patent/TW200640160A/zh
Priority to US11/245,207 priority patent/US7395060B2/en
Publication of TW200640160A publication Critical patent/TW200640160A/zh
Application granted granted Critical
Publication of TWI294721B publication Critical patent/TWI294721B/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/06—Testing, supervising or monitoring using simulated traffic

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
TW094114181A 2005-05-03 2005-05-03 Signal testing system TW200640160A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
TW094114181A TW200640160A (en) 2005-05-03 2005-05-03 Signal testing system
US11/245,207 US7395060B2 (en) 2005-05-03 2005-10-07 Signal testing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW094114181A TW200640160A (en) 2005-05-03 2005-05-03 Signal testing system

Publications (2)

Publication Number Publication Date
TW200640160A true TW200640160A (en) 2006-11-16
TWI294721B TWI294721B (https=) 2008-03-11

Family

ID=37394614

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094114181A TW200640160A (en) 2005-05-03 2005-05-03 Signal testing system

Country Status (2)

Country Link
US (1) US7395060B2 (https=)
TW (1) TW200640160A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI745982B (zh) * 2020-05-27 2021-11-11 矽品精密工業股份有限公司 測試系統及其測試方法

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US7412373B2 (en) * 2005-12-08 2008-08-12 Accton Technology Corporation Channel emulating device
US20070275667A1 (en) * 2006-05-25 2007-11-29 Hung Fung Leung Parallel test of portable wireless multimedia devices
US9083299B2 (en) * 2006-10-26 2015-07-14 Realtek Semiconductor Corp. Filter of adjustable frequency response and method thereof
US7890821B2 (en) * 2007-10-04 2011-02-15 Veriwave, Inc. Channel impairment emulator systems and methods
CN101552645A (zh) * 2008-04-02 2009-10-07 鸿富锦精密工业（深圳）有限公司 多路测试装置
US8761684B2 (en) * 2009-02-13 2014-06-24 Spirent Communications, Inc. Method and apparatus for virtual desktop OTA
FR2947122B1 (fr) * 2009-06-23 2011-07-22 Adeunis Rf Dispositif d'amelioration de l'intelligibilite de la parole dans un systeme de communication multi utilisateurs
US8938201B2 (en) 2010-04-16 2015-01-20 Spirent Communications, Inc. WiFi positioning bench test method and instrument
US8615206B2 (en) 2010-06-30 2013-12-24 Toyota Motor Engineering & Manufacturing North America, Inc. Method and system for a radio transmission emulator
TW201210219A (en) * 2010-08-19 2012-03-01 Inst Information Industry Testing system and measuring method thereof for measuring wireless network signal
CN102378232A (zh) * 2010-08-23 2012-03-14 财团法人资讯工业策进会 无线网络信号的测试系统及其测量方法
US9448279B2 (en) * 2011-09-02 2016-09-20 Apple Inc. Test systems for electronic devices with wireless communications capabilities
US9264923B1 (en) * 2011-10-20 2016-02-16 Azimuth Systems, Inc. Signal segmentation, event recognition, extraction and classification for emulating wireless network
JP5846019B2 (ja) * 2012-03-30 2016-01-20 富士通株式会社 無線装置
US9088521B2 (en) * 2013-02-21 2015-07-21 Litepoint Corporation System and method for testing multiple data packet signal transceivers concurrently
US9519063B2 (en) 2013-03-05 2016-12-13 Spirent Communications, Inc. System and method for testing real world A-GNSS performance of a device
US9772378B2 (en) 2014-08-28 2017-09-26 Teradyne, Inc. Multi-stage equalization
US10243628B2 (en) 2015-07-16 2019-03-26 Spirent Communications, Inc. Massive MIMO array emulation
CN106487455B (zh) * 2015-08-28 2019-05-31 上海汽车集团股份有限公司 用于对射频测试进行调整的系统和方法以及射频测试系统
US10244411B2 (en) 2016-06-14 2019-03-26 Spirent Communications, Inc. Over the air testing for massive MIMO arrays
KR102043667B1 (ko) * 2016-11-16 2019-11-12 한국전자통신연구원 광대역 수동상호변조왜곡 신호 측정 장치 및 방법
US10313034B2 (en) 2017-10-12 2019-06-04 Spirent Communications, Inc. Massive MIMO array testing using a programmable phase matrix and channel emulator
US10587350B2 (en) 2017-10-12 2020-03-10 Spirent Communications, Inc. Calibrating a programmable phase matrix and channel emulator and performing massive MIMO array testing using the calibrated phase matrix and channel emulator
CN109104256A (zh) * 2018-10-29 2018-12-28 京信通信系统（中国）有限公司 测试装置
US12298409B2 (en) 2020-07-14 2025-05-13 Spirent Communications Plc GNSS forecast and background obscuration prediction
US11287531B2 (en) 2020-07-14 2022-03-29 Spirent Communications, Plc Architecture for providing forecasts of GNSS obscuration and multipath
US12429599B2 (en) 2020-07-14 2025-09-30 Spirent Communications Plc GNSS forecast and spoofing/jamming detection
US12292515B2 (en) 2020-07-14 2025-05-06 Spirent Communications Plc Generating and distributing GNSS risk analysis data for facilitating safe routing of autonomous drones
US12282101B2 (en) 2020-07-14 2025-04-22 Spirent Communications Plc GNSS forecast and line of sight detection
US11536855B2 (en) 2020-07-14 2022-12-27 Spirent Communications Plc Path planning using forecasts of obscuration and multipath
US11789161B2 (en) 2020-07-14 2023-10-17 Spirent Communications Plc Accuracy of a GNSS receiver that has a non-directional antenna
US12265159B2 (en) 2020-07-14 2025-04-01 Spirent Communications Plc GNSS forecast impacting receiver startup
US12468045B1 (en) 2020-07-14 2025-11-11 Spirent Communications Plc Utilizing GNSS risk analysis data for facilitating safe routing of autonomous drones
US12480974B2 (en) 2020-08-01 2025-11-25 Tektronix, Inc. Multiplexer-enabled cables and test fixtures
US12553943B2 (en) 2021-06-03 2026-02-17 Tektronix, Inc. Multi-input remote heads for sequential testing
US12517259B2 (en) 2022-09-16 2026-01-06 Spirent Communications Plc Utilizing low earth orbit (LEO) satellite data for obscuration and multipath risk analysis
US12517264B2 (en) 2022-09-16 2026-01-06 Spirent Communications Plc Architecture for providing forecasts of low earth orbit (LEO) satellite obscuration and multipath

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AU666411B2 (en) 1992-11-27 1996-02-08 Commonwealth Scientific And Industrial Research Organisation A wireless LAN
US6741640B1 (en) * 2000-03-07 2004-05-25 Samsung Electronics Co., Ltd. System and method for measuring the return loss of an antenna
US7155216B2 (en) * 2002-09-19 2006-12-26 Nokia Corporation Functionality test in a base transceiver station

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI745982B (zh) * 2020-05-27 2021-11-11 矽品精密工業股份有限公司 測試系統及其測試方法

Also Published As

Publication number Publication date
TWI294721B (https=) 2008-03-11
US20060252419A1 (en) 2006-11-09
US7395060B2 (en) 2008-07-01

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Legal Events

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MM4A Annulment or lapse of patent due to non-payment of fees