TWI294721B - - Google Patents
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- Publication number
- TWI294721B TWI294721B TW094114181A TW94114181A TWI294721B TW I294721 B TWI294721 B TW I294721B TW 094114181 A TW094114181 A TW 094114181A TW 94114181 A TW94114181 A TW 94114181A TW I294721 B TWI294721 B TW I294721B
- Authority
- TW
- Taiwan
- Prior art keywords
- signal
- output
- power
- signals
- test
- Prior art date
Links
- 238000012360 testing method Methods 0.000 claims description 112
- 238000004458 analytical method Methods 0.000 claims description 25
- 238000001514 detection method Methods 0.000 claims description 19
- 238000009826 distribution Methods 0.000 claims description 16
- 238000005259 measurement Methods 0.000 claims description 12
- 238000001228 spectrum Methods 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 9
- 238000003786 synthesis reaction Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 8
- 239000002131 composite material Substances 0.000 claims description 5
- 230000008054 signal transmission Effects 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 206010011469 Crying Diseases 0.000 claims description 3
- 241000287107 Passer Species 0.000 claims description 3
- 230000011664 signaling Effects 0.000 claims description 2
- 230000003321 amplification Effects 0.000 claims 1
- 230000007547 defect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 238000005070 sampling Methods 0.000 claims 1
- 230000002194 synthesizing effect Effects 0.000 claims 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000001629 suppression Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000007621 cluster analysis Methods 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
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)
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 TW200640160A (en) | 2006-11-16 |
| TWI294721B true 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=) |
Families Citing this family (38)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2005
- 2005-05-03 TW TW094114181A patent/TW200640160A/zh not_active IP Right Cessation
- 2005-10-07 US US11/245,207 patent/US7395060B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| TW200640160A (en) | 2006-11-16 |
| US20060252419A1 (en) | 2006-11-09 |
| US7395060B2 (en) | 2008-07-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |