JPH11506598A5 - - Google Patents
Info
- Publication number
- JPH11506598A5 JPH11506598A5 JP1997535638A JP53563897A JPH11506598A5 JP H11506598 A5 JPH11506598 A5 JP H11506598A5 JP 1997535638 A JP1997535638 A JP 1997535638A JP 53563897 A JP53563897 A JP 53563897A JP H11506598 A5 JPH11506598 A5 JP H11506598A5
- 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 |
|---|---|---|---|
| US08/625,481 US6330291B1 (en) | 1996-03-29 | 1996-03-29 | Frequency tracking for communication signals using M-ary orthogonal walsh modulation |
| US625,481 | 1996-03-29 | ||
| PCT/US1997/006379 WO1997037437A1 (en) | 1996-03-29 | 1997-03-26 | Frequency tracking for communication signals using m-ary orthogonal walsh modulation |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPH11506598A JPH11506598A (ja) | 1999-06-08 |
| JPH11506598A5 true JPH11506598A5 (enExample) | 2004-12-02 |
| JP3860213B2 JP3860213B2 (ja) | 2006-12-20 |
Family
ID=24506294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP53563897A Expired - Fee Related JP3860213B2 (ja) | 1996-03-29 | 1997-03-26 | Ｍ−ａｒｙ直交ウォルシュ変調を使用する通信信号用の周波数追跡 |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US6330291B1 (enExample) |
| EP (1) | EP0829146B1 (enExample) |
| JP (1) | JP3860213B2 (enExample) |
| KR (1) | KR100470000B1 (enExample) |
| CN (1) | CN1168229C (enExample) |
| AT (1) | ATE290269T1 (enExample) |
| AU (1) | AU727941B2 (enExample) |
| BR (1) | BR9702149B1 (enExample) |
| CA (1) | CA2222644C (enExample) |
| DE (1) | DE69732595T2 (enExample) |
| RU (1) | RU2234197C2 (enExample) |
| WO (1) | WO1997037437A1 (enExample) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6134260A (en) * | 1997-12-16 | 2000-10-17 | Ericsson Inc. | Method and apparatus for frequency acquisition and tracking for DS-SS CDMA receivers |
| US6563858B1 (en) * | 1998-01-16 | 2003-05-13 | Intersil Americas Inc. | Method of performing antenna diversity in spread spectrum in wireless local area network |
| DE19846870C1 (de) * | 1998-10-12 | 2001-01-25 | Peter Peyerl | Verfahren zur Bestimmung der Impulsantwort eines breitbandigen linearen Systems und Meßanordnung zur Durchführung des Verfahrens |
| FR2795257A1 (fr) * | 1999-06-15 | 2000-12-22 | Koninkl Philips Electronics Nv | Detecteur de phase pour systeme de transmission a etalement de spectre |
| US6977974B1 (en) * | 2000-11-20 | 2005-12-20 | At&T Corp. | De-modulation of MOK(M-ary orthogonal modulation) |
| US8385470B2 (en) * | 2000-12-05 | 2013-02-26 | Google Inc. | Coding a signal with a shuffled-Hadamard function |
| US8374218B2 (en) * | 2000-12-05 | 2013-02-12 | Google Inc. | Combining signals with a shuffled-hadamard function |
| JP4572482B2 (ja) * | 2001-04-11 | 2010-11-04 | 株式会社デンソー | Ｃｄｍａ方式の無線通信機の復調装置 |
| FI110725B (fi) | 2001-04-20 | 2003-03-14 | Nokia Corp | Menetelmä vastaanottimen tahdistamisessa ja vastaanotin |
| US6552996B2 (en) * | 2001-09-18 | 2003-04-22 | Interdigital Communications Corporation | OVSF code system and methods |
| KR100534592B1 (ko) * | 2002-06-20 | 2005-12-07 | 한국전자통신연구원 | 디지털 통신 시스템의 수신 장치 및 그 방법 |
| US6795486B2 (en) * | 2002-09-23 | 2004-09-21 | Thomson Licensing S.A. | Variable-length correlator for spread-spectrum communications |
| US7787357B2 (en) * | 2003-12-18 | 2010-08-31 | Motorola, Inc. | OFDM frequency offset estimation apparatus and method |
| CN101044731A (zh) * | 2004-11-12 | 2007-09-26 | 英特尔公司 | 用于执行通信系统的均衡和解码的方法和设备 |
| US8139685B2 (en) | 2005-05-10 | 2012-03-20 | Qualcomm Incorporated | Systems, methods, and apparatus for frequency control |
| KR100821938B1 (ko) * | 2006-04-14 | 2008-04-15 | 삼성전자주식회사 | 무선통신시스템에서 상향링크 주파수 옵셋 추정 장치 및방법 |
| KR100947604B1 (ko) * | 2007-12-17 | 2010-03-15 | 한국전자통신연구원 | 이동통신 시스템에서 2차 루프 필터를 사용하는 주파수오차 추정기 및 그 동작방법 |
| US9071493B2 (en) * | 2009-06-29 | 2015-06-30 | Qualcomm Incorporated | Dual frequency tracking loop for OFDMA systems |
| JP5621476B2 (ja) * | 2010-09-29 | 2014-11-12 | ソニー株式会社 | 同期回路、同期方法、および受信システム |
| CN111614373B (zh) * | 2020-05-20 | 2021-08-10 | 北京升哲科技有限公司 | 扩频信号发送、扩频信号接收方法、装置、设备及介质 |
| CN114389640B (zh) * | 2022-01-17 | 2023-05-30 | 深圳华海尖兵科技有限公司 | 复杂信号条件下的调制及解调方法、装置及电子设备 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4494238A (en) * | 1982-06-30 | 1985-01-15 | Motorola, Inc. | Multiple channel data link system |
| US4841544A (en) | 1987-05-14 | 1989-06-20 | The Charles Stark Draper Laboratory, Inc. | Digital direct sequence spread spectrum receiver |
| NZ232223A (en) * | 1989-01-27 | 1993-03-26 | British Telecomm | Alternate burst communication for cordless phones re-established after channel failure |
| IL100213A (en) * | 1990-12-07 | 1995-03-30 | Qualcomm Inc | CDMA microcellular telephone system and distributed antenna system therefor |
| US5357454A (en) | 1991-07-25 | 1994-10-18 | Ericsson Ge Mobile Communications Holding, Inc. | Fast walsh transform processor |
| US5687166A (en) * | 1992-11-24 | 1997-11-11 | Stanford Telecommunications, Inc. | Modulation system for spread spectrum CDMA communication |
| US5822318A (en) * | 1994-07-29 | 1998-10-13 | Qualcomm Incorporated | Method and apparatus for controlling power in a variable rate communication system |
| US5619524A (en) * | 1994-10-04 | 1997-04-08 | Motorola, Inc. | Method and apparatus for coherent communication reception in a spread-spectrum communication system |
| US5608722A (en) * | 1995-04-03 | 1997-03-04 | Qualcomm Incorporated | Multi-user communication system architecture with distributed receivers |
| US5623487A (en) * | 1995-05-19 | 1997-04-22 | Stanford Telecommunications, Inc. | Doubly orthogonal code and frequency division multiple access communication system |
| US5764630A (en) * | 1996-03-25 | 1998-06-09 | Stanford Telecommunications, Inc. | Forward link carrier recovery in an OCDMA spread spectrum communication system without a pilot tone |
-
1996
- 1996-03-29 US US08/625,481 patent/US6330291B1/en not_active Expired - Lifetime
-
1997
- 1997-03-26 KR KR1019970708627A patent/KR100470000B1/ko not_active Expired - Fee Related
- 1997-03-26 DE DE69732595T patent/DE69732595T2/de not_active Expired - Lifetime
- 1997-03-26 WO PCT/US1997/006379 patent/WO1997037437A1/en not_active Ceased
- 1997-03-26 CN CNB971902690A patent/CN1168229C/zh not_active Expired - Fee Related
- 1997-03-26 CA CA002222644A patent/CA2222644C/en not_active Expired - Fee Related
- 1997-03-26 JP JP53563897A patent/JP3860213B2/ja not_active Expired - Fee Related
- 1997-03-26 RU RU97121858/09A patent/RU2234197C2/ru not_active IP Right Cessation
- 1997-03-26 AT AT97918684T patent/ATE290269T1/de not_active IP Right Cessation
- 1997-03-26 BR BRPI9702149-0A patent/BR9702149B1/pt not_active IP Right Cessation
- 1997-03-26 EP EP97918684A patent/EP0829146B1/en not_active Expired - Lifetime
- 1997-03-26 AU AU26731/97A patent/AU727941B2/en not_active Ceased