TWI368859B - Apparatus for calibrating communications channels - Google Patents
Apparatus for calibrating communications channelsInfo
- Publication number
- TWI368859B TWI368859B TW094112149A TW94112149A TWI368859B TW I368859 B TWI368859 B TW I368859B TW 094112149 A TW094112149 A TW 094112149A TW 94112149 A TW94112149 A TW 94112149A TW I368859 B TWI368859 B TW I368859B
- Authority
- TW
- Taiwan
- Prior art keywords
- communications channels
- calibrating
- calibrating communications
- channels
- communications
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/0082—Monitoring; Testing using service channels; using auxiliary channels
- H04B17/0085—Monitoring; Testing using service channels; using auxiliary channels using test signal generators
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/21—Monitoring; Testing of receivers for calibration; for correcting measurements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/26—Monitoring; Testing of receivers using historical data, averaging values or statistics
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/364—Delay profiles
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Probability & Statistics with Applications (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Tests Of Electronic Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/826,715 US7239971B2 (en) | 2004-04-16 | 2004-04-16 | Method and apparatus for calibrating communications channels |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200611176A TW200611176A (en) | 2006-04-01 |
TWI368859B true TWI368859B (en) | 2012-07-21 |
Family
ID=35097365
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW094112149A TWI368859B (en) | 2004-04-16 | 2005-04-15 | Apparatus for calibrating communications channels |
Country Status (3)
Country | Link |
---|---|
US (1) | US7239971B2 (zh) |
TW (1) | TWI368859B (zh) |
WO (1) | WO2005106763A2 (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7460602B2 (en) * | 2005-04-29 | 2008-12-02 | International Business Machines Corporation | Method for performing high speed serial link output stage having self adaptation for various impairments |
CN101162922A (zh) * | 2006-10-13 | 2008-04-16 | 国际商业机器公司 | 用于补偿多个通信通道的延时的方法和装置 |
US7626436B2 (en) * | 2007-02-12 | 2009-12-01 | Standard Microsystems Corporation | Automatic system clock detection system |
US20120250527A1 (en) * | 2011-03-28 | 2012-10-04 | International Business Machines Corporation | Determining Connectivity Of A High Speed Link That Includes An AC-Coupling Capacitor |
WO2014145044A2 (en) * | 2013-03-15 | 2014-09-18 | Dockon Ag | Adaptive line equalizer for improving data communication over less than perfect power lines or transmission lines |
CN106487461B (zh) * | 2015-08-28 | 2019-02-26 | 大唐移动通信设备有限公司 | 一种驻波峰值确定方法和设备 |
CN108303669B (zh) * | 2018-03-09 | 2020-08-14 | 宁波三星医疗电气股份有限公司 | 一种提升智能电表校表效率的方法 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4249258A (en) | 1979-11-21 | 1981-02-03 | Georgia Tech Research Institute | Self-calibrating voltage standing-wave ratio meter system |
US4660197A (en) | 1985-11-01 | 1987-04-21 | Teradyne, Inc. | Circuitry for synchronizing a multiple channel circuit tester |
JPS62142281A (ja) * | 1985-12-16 | 1987-06-25 | Fujitsu Ltd | ケ−ブル遅延時間測定方法 |
US4827437A (en) | 1986-09-22 | 1989-05-02 | Vhl Associates, Inc. | Auto calibration circuit for VLSI tester |
US5139328A (en) | 1989-05-24 | 1992-08-18 | Separation Technology, Inc. | Noncontact hematocrit reader apparatus and method |
JP2831767B2 (ja) | 1990-01-10 | 1998-12-02 | 株式会社アドバンテスト | 半導体メモリ試験装置 |
JP3591657B2 (ja) | 1993-10-13 | 2004-11-24 | 株式会社アドバンテスト | 半導体ic試験装置 |
US5712427A (en) | 1995-08-29 | 1998-01-27 | Litton Systems Inc. | Vibratory rotation sensor with scanning-tunneling-transducer readout |
JPH0980124A (ja) * | 1995-09-11 | 1997-03-28 | Advantest Corp | 基準遅延時間の校正装置及び調整方法 |
JPH10170603A (ja) | 1996-12-13 | 1998-06-26 | Ando Electric Co Ltd | Icテスタのキャリブレーション方法 |
US6224180B1 (en) | 1997-02-21 | 2001-05-01 | Gerald Pham-Van-Diep | High speed jet soldering system |
US6105157A (en) | 1998-01-30 | 2000-08-15 | Credence Systems Corporation | Salphasic timing calibration system for an integrated circuit tester |
US6449568B1 (en) * | 1998-02-27 | 2002-09-10 | Eni Technology, Inc. | Voltage-current sensor with high matching directivity |
GB9805054D0 (en) | 1998-03-11 | 1998-05-06 | Process Intelligence Limited | Memory test system with buffer memory |
CA2277264A1 (en) * | 1999-07-09 | 2001-01-09 | Telecommunications Research Laboratories | A self-configuring radio network |
US6189382B1 (en) | 1999-11-05 | 2001-02-20 | Litton Systems, Inc. | Vibratory sensor with self-calibration and low noise digital conversion |
JP4291494B2 (ja) | 2000-04-04 | 2009-07-08 | 株式会社アドバンテスト | Ic試験装置のタイミング校正装置 |
US6609077B1 (en) | 2000-05-31 | 2003-08-19 | Teradyne, Inc. | ATE timing measurement unit and method |
-
2004
- 2004-04-16 US US10/826,715 patent/US7239971B2/en not_active Expired - Fee Related
-
2005
- 2005-04-15 TW TW094112149A patent/TWI368859B/zh not_active IP Right Cessation
- 2005-04-15 WO PCT/US2005/012649 patent/WO2005106763A2/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2005106763A2 (en) | 2005-11-10 |
TW200611176A (en) | 2006-04-01 |
US20050234669A1 (en) | 2005-10-20 |
WO2005106763A3 (en) | 2006-05-18 |
US7239971B2 (en) | 2007-07-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB0516517D0 (en) | Communication apparatus | |
EP1949571A4 (en) | COMMUNICATION DEVICE | |
EP1843499A4 (en) | COMMUNICATION DEVICE | |
GB2429884B (en) | Wireless communications apparatus | |
GB0525929D0 (en) | Communication apparatus | |
EP1787234A4 (en) | METHOD AND DEVICE FOR CALIBRATING AND / OR DESIGNING COMMUNICATION CHANNELS | |
IL193145A0 (en) | Methods and apparatus for machine-to-machine communications | |
EP1850518A4 (en) | COMMUNICATION APPARATUS | |
GB2439676B (en) | TDMA communication apparatus | |
EP1788745A4 (en) | COMMUNICATION DEVICE | |
HK1089841A1 (en) | Communication apparatus, communication method | |
TWI368859B (en) | Apparatus for calibrating communications channels | |
GB2411081B (en) | Radio transmission apparatus | |
GB2417656B (en) | Communication apparatus | |
EP1883170A4 (en) | WIRELESS COMMUNICATION APPARATUS | |
EP2005776A4 (en) | RADIO COMMUNICATION DEVICE | |
GB2426898B (en) | Wireless communications apparatus | |
GB2430586B (en) | Wireless communications apparatus | |
GB0425357D0 (en) | An apparatus for making candyfloss | |
GB0516321D0 (en) | Communications apparatus | |
EP1909444A4 (en) | COMMUNICATION DEVICE | |
HUP0501174A2 (en) | Apparatus for introducing organwind | |
EP1758257A4 (en) | COMMUNICATION APPARATUS | |
GB0501700D0 (en) | Telecommunications apparatus | |
GB0419430D0 (en) | Data communications apparatus |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |