JP2002522991A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2002522991A5 JP2002522991A5 JP2000564407A JP2000564407A JP2002522991A5 JP 2002522991 A5 JP2002522991 A5 JP 2002522991A5 JP 2000564407 A JP2000564407 A JP 2000564407A JP 2000564407 A JP2000564407 A JP 2000564407A JP 2002522991 A5 JP2002522991 A5 JP 2002522991A5
- Authority
- JP
- Japan
- Legal status (The legal status 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 status listed.)
- Granted
Links
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/131,150 US6490454B1 (en) | 1998-08-07 | 1998-08-07 | Downlink observed time difference measurements |
| US09/186,192 | 1998-11-04 | ||
| US09/186,192 US6356763B1 (en) | 1998-08-07 | 1998-11-04 | Downlink observed time difference measurements |
| US09/131,150 | 1998-11-04 | ||
| PCT/SE1999/001322 WO2000008886A1 (en) | 1998-08-07 | 1999-07-27 | Improvements in downlink observed time difference measurements |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2002522991A JP2002522991A (ja) | 2002-07-23 |
| JP2002522991A5 true JP2002522991A5 (enExample) | 2006-09-28 |
| JP4309587B2 JP4309587B2 (ja) | 2009-08-05 |
Family
ID=26829185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000564407A Expired - Lifetime JP4309587B2 (ja) | 1998-08-07 | 1999-07-27 | 下り線で観測する時間差測定の改良 |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP1103156B1 (enExample) |
| JP (1) | JP4309587B2 (enExample) |
| CN (1) | CN1127880C (enExample) |
| AU (1) | AU772999B2 (enExample) |
| BR (1) | BR9912770B1 (enExample) |
| CA (1) | CA2338544C (enExample) |
| RU (1) | RU2225079C2 (enExample) |
| TW (1) | TW475339B (enExample) |
| WO (1) | WO2000008886A1 (enExample) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6490454B1 (en) | 1998-08-07 | 2002-12-03 | Telefonaktiebolaget Lm Ericsson (Publ) | Downlink observed time difference measurements |
| US6665540B2 (en) * | 2001-02-02 | 2003-12-16 | Nokia Mobile Phones, Ltd. | Method and system for locating a mobile terminal in a cellular radio network |
| US7363043B2 (en) * | 2001-05-18 | 2008-04-22 | Southwest Research Institute | Passive GSM-based self-locating device |
| US6876859B2 (en) * | 2001-07-18 | 2005-04-05 | Trueposition, Inc. | Method for estimating TDOA and FDOA in a wireless location system |
| GB2392801B (en) * | 2001-11-05 | 2005-08-17 | Nokia Corp | A method for identification of base stations and for checking measurement values of an observed time difference between transmissions from base stations |
| MXPA05009609A (es) * | 2003-03-11 | 2005-11-04 | Koninkl Philips Electronics Nv | Metodo para programar periodos de servicio en la red de area local inalambrica (wlan). |
| US20070258428A1 (en) * | 2006-04-24 | 2007-11-08 | Interdigital Technology Corporation | Method and apparatus for coordinating timing in a wireless local area network |
| CN101334463B (zh) * | 2008-07-29 | 2010-05-12 | 北京航空航天大学 | Gnss导航信号模拟器中时间参数的模拟方法 |
| US8699453B2 (en) * | 2009-02-02 | 2014-04-15 | Qualcomm Incorporated | Reuse of RF receive chain for hand-in assistance |
| US8725182B2 (en) | 2009-06-19 | 2014-05-13 | Htc Corporation | Method of enhancing positioning measurement and related communication device |
| CN101806907B (zh) * | 2010-03-12 | 2012-09-05 | 清华大学 | 多站多平台体系下基于相干与非相干混合的飞行器定位法 |
| GB2539364A (en) * | 2014-10-02 | 2016-12-21 | Aeroscout Ltd | Location system |
| TWI667908B (zh) * | 2016-02-01 | 2019-08-01 | 日商日本電氣股份有限公司 | Time difference measuring device, system and method |
| SG11202008665WA (en) * | 2018-03-14 | 2020-10-29 | Locata Corp | Method and apparatus for synchronising a location network |
| IL305184A (en) * | 2023-08-14 | 2025-03-01 | Elta Systems Ltd | Self-positioning based on cellular base stations |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3399623B2 (ja) * | 1994-03-16 | 2003-04-21 | 富士通株式会社 | 移動局位置捕捉装置 |
| GB9508884D0 (en) * | 1995-05-02 | 1995-06-21 | Telecom Sec Cellular Radio Ltd | Cellular radio system |
| US5508708A (en) * | 1995-05-08 | 1996-04-16 | Motorola, Inc. | Method and apparatus for location finding in a CDMA system |
-
1999
- 1999-07-27 CN CN 99811740 patent/CN1127880C/zh not_active Expired - Lifetime
- 1999-07-27 RU RU2001106637/09A patent/RU2225079C2/ru active
- 1999-07-27 AU AU56617/99A patent/AU772999B2/en not_active Expired
- 1999-07-27 EP EP99943545A patent/EP1103156B1/en not_active Expired - Lifetime
- 1999-07-27 BR BRPI9912770-9A patent/BR9912770B1/pt active IP Right Grant
- 1999-07-27 CA CA002338544A patent/CA2338544C/en not_active Expired - Lifetime
- 1999-07-27 JP JP2000564407A patent/JP4309587B2/ja not_active Expired - Lifetime
- 1999-07-27 WO PCT/SE1999/001322 patent/WO2000008886A1/en not_active Ceased
- 1999-08-02 TW TW88113177A patent/TW475339B/zh not_active IP Right Cessation