JP2002524912A5 - - Google Patents
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- Publication number
- JP2002524912A5 JP2002524912A5 JP2000568206A JP2000568206A JP2002524912A5 JP 2002524912 A5 JP2002524912 A5 JP 2002524912A5 JP 2000568206 A JP2000568206 A JP 2000568206A JP 2000568206 A JP2000568206 A JP 2000568206A JP 2002524912 A5 JP2002524912 A5 JP 2002524912A5
- 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 (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/140,936 US6381225B1 (en) | 1998-08-27 | 1998-08-27 | System and method for resolving frequency and timing uncertainty in access transmissions in a spread spectrum communication system |
| US09/140,936 | 1998-08-27 | ||
| PCT/US1999/019810 WO2000013341A1 (en) | 1998-08-27 | 1999-08-27 | System and method for resolving frequency and timing uncertainty in access channel acquisition in a spread spectrum communication system |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2002524912A JP2002524912A (ja) | 2002-08-06 |
| JP2002524912A5 true JP2002524912A5 (cg-RX-API-DMAC7.html) | 2006-09-28 |
| JP4514953B2 JP4514953B2 (ja) | 2010-07-28 |
Family
ID=22493451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000568206A Expired - Fee Related JP4514953B2 (ja) | 1998-08-27 | 1999-08-27 | スペクトラム拡散通信システムのアクセスチャネルアクイジションにおいて周波数およびタイミングの不確かさを決定するシステムおよび装置 |
Country Status (14)
| Country | Link |
|---|---|
| US (2) | US6381225B1 (cg-RX-API-DMAC7.html) |
| EP (1) | EP1105981B1 (cg-RX-API-DMAC7.html) |
| JP (1) | JP4514953B2 (cg-RX-API-DMAC7.html) |
| KR (1) | KR100767846B1 (cg-RX-API-DMAC7.html) |
| CN (1) | CN1137554C (cg-RX-API-DMAC7.html) |
| AT (1) | ATE406713T1 (cg-RX-API-DMAC7.html) |
| AU (1) | AU759518B2 (cg-RX-API-DMAC7.html) |
| BR (1) | BR9913306A (cg-RX-API-DMAC7.html) |
| CA (1) | CA2341741A1 (cg-RX-API-DMAC7.html) |
| DE (1) | DE69939428D1 (cg-RX-API-DMAC7.html) |
| ES (1) | ES2310940T3 (cg-RX-API-DMAC7.html) |
| HK (1) | HK1039839B (cg-RX-API-DMAC7.html) |
| RU (1) | RU2237361C2 (cg-RX-API-DMAC7.html) |
| WO (1) | WO2000013341A1 (cg-RX-API-DMAC7.html) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6381225B1 (en) * | 1998-08-27 | 2002-04-30 | Qualcomm Incorporated | System and method for resolving frequency and timing uncertainty in access transmissions in a spread spectrum communication system |
| US6813257B1 (en) * | 2000-06-26 | 2004-11-02 | Motorola, Inc. | Apparatus and methods for controlling short code timing offsets in a CDMA system |
| US7330524B2 (en) * | 2004-12-30 | 2008-02-12 | Atheros Communications, Inc. | Joint synchronization and impairments estimation using known data patterns |
| US7970345B2 (en) * | 2005-06-22 | 2011-06-28 | Atc Technologies, Llc | Systems and methods of waveform and/or information splitting for wireless transmission of information to one or more radioterminals over a plurality of transmission paths and/or system elements |
| EP1838008A1 (en) * | 2006-03-23 | 2007-09-26 | Sony Deutschland Gmbh | Preamble for synchronization |
| US8346162B1 (en) * | 2009-09-25 | 2013-01-01 | Emc Satcom Technologies | System and method for reducing VSAT apertures via satellite MIMO |
| US9094906B2 (en) * | 2011-11-11 | 2015-07-28 | Telefonaktiebolaget Lm Ericsson (Publ) | Multi-stage timing and frequency synchronization |
| CN103197328B (zh) * | 2013-03-14 | 2015-05-27 | 中国人民解放军国防科学技术大学 | 一种基于2ms数据存储的高动态卫星接收机快速捕获方法 |
| WO2014144920A2 (en) * | 2013-03-15 | 2014-09-18 | Maxtena, Inc. | Method and apparatus for establishing communications with a satellite |
| US10200109B2 (en) * | 2016-04-29 | 2019-02-05 | The Boeing Company | System and method for distributed wireless communications |
| WO2020096502A1 (en) | 2018-11-06 | 2020-05-14 | Telefonaktiebolaget Lm Ericsson (Publ) | Spectral region identification for reference symbol |
| CN111679123B (zh) * | 2020-08-12 | 2020-12-11 | 长沙北斗产业安全技术研究院有限公司 | 适用于多模调制体制的符号边沿与频率估计方法与系统 |
Family Cites Families (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3864634A (en) | 1973-10-01 | 1975-02-04 | Us Navy | Doppler correction circuit |
| US4567588A (en) | 1984-03-23 | 1986-01-28 | Sangamo Weston, Inc. | Synchronization system for use in direct sequence spread spectrum signal receiver |
| US4653076A (en) | 1984-03-23 | 1987-03-24 | Sangamo Weston, Inc. | Timing signal correction system for use in direct sequence spread signal receiver |
| US4675678A (en) * | 1984-07-03 | 1987-06-23 | Textron Inc. | Frequency agile radar system |
| US4621365A (en) | 1984-11-16 | 1986-11-04 | Hughes Aircraft Company | Synchronization preamble correlation detector and frequency estimator |
| EP0337269B1 (de) | 1988-04-14 | 1994-03-30 | ANT Nachrichtentechnik GmbH | Verfahren und Anordnung zum Reduzieren von Frequenzablagen beim Mobilfunk über Satellit |
| US5095538A (en) | 1989-09-29 | 1992-03-10 | Motorola, Inc. | Calibrated method and device for narrow band Doppler compensation |
| US5103459B1 (en) | 1990-06-25 | 1999-07-06 | Qualcomm Inc | System and method for generating signal waveforms in a cdma cellular telephone system |
| JPH04207530A (ja) * | 1990-11-30 | 1992-07-29 | Toshiba Corp | 衛星通信システムおよび周波数追尾ループ |
| IL100213A (en) * | 1990-12-07 | 1995-03-30 | Qualcomm Inc | CDMA microcellular telephone system and distributed antenna system therefor |
| JP2953260B2 (ja) | 1993-07-05 | 1999-09-27 | ケイディディ株式会社 | 周波数オフセット補償方法 |
| US5490165A (en) | 1993-10-28 | 1996-02-06 | Qualcomm Incorporated | Demodulation element assignment in a system capable of receiving multiple signals |
| CN1163009C (zh) * | 1994-02-09 | 2004-08-18 | Ntt移动通信网株式会社 | 码分多址移动通信的方法和系统 |
| JPH07321721A (ja) * | 1994-05-23 | 1995-12-08 | Tasada Kosakusho:Kk | 単一波マルチポイント衛星通信方法 |
| US5666122A (en) | 1994-07-11 | 1997-09-09 | Qualcomm Incorporated | Method for rapid signal acquisition in a satellite communications system |
| US5742908A (en) | 1994-09-14 | 1998-04-21 | Ericsson Inc. | Frequency error correction in a satellite-mobile communications system |
| JP3012776B2 (ja) * | 1995-01-05 | 2000-02-28 | エヌ・ティ・ティ移動通信網株式会社 | 衛星通信方式 |
| JPH08256085A (ja) | 1995-03-17 | 1996-10-01 | Sony Corp | スペクトラム拡散通信システム及びその送信機と受信機 |
| US5805648A (en) | 1995-07-31 | 1998-09-08 | Qualcomm Incorporated | Method and apparatus for performing search acquisition in a CDMA communication system |
| US5907813A (en) * | 1995-11-30 | 1999-05-25 | Qualcomm Incorporated | Signal acquisition in a wireless communication system by transmitting repeated access probes from a terminal to a hub |
| JP3214860B2 (ja) * | 1996-03-05 | 2001-10-02 | 株式会社エヌ・ティ・ティ・ドコモ | 移動通信システムにおける信号の伝送方法、送信機、受信機および拡散符号同期法 |
| US5835847A (en) * | 1996-04-02 | 1998-11-10 | Qualcomm Incorporated | Pilot signal strength control for a low earth orbiting satellite communications system |
| US5924015A (en) * | 1996-04-30 | 1999-07-13 | Trw Inc | Power control method and apparatus for satellite based telecommunications system |
| US5784695A (en) * | 1996-05-14 | 1998-07-21 | Trw Inc. | Method and apparatus for handover control in a satellite based telecommunications system |
| US5640166A (en) * | 1996-09-03 | 1997-06-17 | Motorola, Inc. | Method for compensating for doppler frequency shifts for satellite communication systems |
| ZA978516B (en) * | 1996-09-30 | 1998-06-10 | Qualcomm Inc | Method and apparatus for precorrecting timing and frequency in communication systems. |
| US5844521A (en) * | 1996-12-02 | 1998-12-01 | Trw Inc. | Geolocation method and apparatus for satellite based telecommunications system |
| US6163533A (en) | 1997-04-30 | 2000-12-19 | Telefonaktiebolaget Lm Ericsson (Publ) | Random access in a mobile telecommunications system |
| US6317583B1 (en) * | 1997-07-25 | 2001-11-13 | Trw Inc. | Telecommunications satellite channelizer |
| US6167056A (en) * | 1997-11-10 | 2000-12-26 | Qualcomm Incorporated | Access channel slot sharing |
| US6381225B1 (en) * | 1998-08-27 | 2002-04-30 | Qualcomm Incorporated | System and method for resolving frequency and timing uncertainty in access transmissions in a spread spectrum communication system |
-
1998
- 1998-08-27 US US09/140,936 patent/US6381225B1/en not_active Expired - Lifetime
-
1999
- 1999-08-27 RU RU2001107970/09A patent/RU2237361C2/ru not_active IP Right Cessation
- 1999-08-27 CA CA002341741A patent/CA2341741A1/en not_active Abandoned
- 1999-08-27 WO PCT/US1999/019810 patent/WO2000013341A1/en not_active Ceased
- 1999-08-27 CN CNB998124591A patent/CN1137554C/zh not_active Expired - Fee Related
- 1999-08-27 AT AT99943990T patent/ATE406713T1/de active
- 1999-08-27 DE DE69939428T patent/DE69939428D1/de not_active Expired - Lifetime
- 1999-08-27 JP JP2000568206A patent/JP4514953B2/ja not_active Expired - Fee Related
- 1999-08-27 BR BR9913306-7A patent/BR9913306A/pt not_active IP Right Cessation
- 1999-08-27 KR KR1020017002549A patent/KR100767846B1/ko not_active Expired - Fee Related
- 1999-08-27 EP EP99943990A patent/EP1105981B1/en not_active Expired - Lifetime
- 1999-08-27 AU AU56975/99A patent/AU759518B2/en not_active Ceased
- 1999-08-27 HK HK02101337.8A patent/HK1039839B/zh not_active IP Right Cessation
- 1999-08-27 ES ES99943990T patent/ES2310940T3/es not_active Expired - Lifetime
-
2002
- 2002-02-11 US US10/074,060 patent/US7301915B2/en not_active Expired - Fee Related