JP4590113B2 - スペクトラム拡散通信システムのための受信装置 - Google Patents
スペクトラム拡散通信システムのための受信装置 Download PDFInfo
- Publication number
- JP4590113B2 JP4590113B2 JP2001031684A JP2001031684A JP4590113B2 JP 4590113 B2 JP4590113 B2 JP 4590113B2 JP 2001031684 A JP2001031684 A JP 2001031684A JP 2001031684 A JP2001031684 A JP 2001031684A JP 4590113 B2 JP4590113 B2 JP 4590113B2
- Authority
- JP
- Japan
- Prior art keywords
- synchronization
- tracking
- unit
- signals
- signal
- Prior art date
- 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.)
- Expired - Fee Related
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Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7073—Synchronisation aspects
- H04B1/7085—Synchronisation aspects using a code tracking loop, e.g. a delay-locked loop
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7073—Synchronisation aspects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/711—Interference-related aspects the interference being multi-path interference
- H04B1/7113—Determination of path profile
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001031684A JP4590113B2 (ja) | 2000-03-14 | 2001-02-08 | スペクトラム拡散通信システムのための受信装置 |
| US09/803,049 US6868113B2 (en) | 2000-03-14 | 2001-03-12 | Receiver for spectrum spreading communication system |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000-69629 | 2000-03-14 | ||
| JP2000069629 | 2000-03-14 | ||
| JP2001031684A JP4590113B2 (ja) | 2000-03-14 | 2001-02-08 | スペクトラム拡散通信システムのための受信装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2001332998A JP2001332998A (ja) | 2001-11-30 |
| JP2001332998A5 JP2001332998A5 (enExample) | 2008-03-27 |
| JP4590113B2 true JP4590113B2 (ja) | 2010-12-01 |
Family
ID=26587382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001031684A Expired - Fee Related JP4590113B2 (ja) | 2000-03-14 | 2001-02-08 | スペクトラム拡散通信システムのための受信装置 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US6868113B2 (enExample) |
| JP (1) | JP4590113B2 (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10210236B4 (de) * | 2002-03-08 | 2006-01-19 | Advanced Micro Devices, Inc., Sunnyvale | WLAN-Empfänger-Synchronisation |
| ATE435467T1 (de) * | 2003-12-19 | 2009-07-15 | Nxp Bv | Synchronisation während antikollision |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5590160A (en) * | 1992-12-30 | 1996-12-31 | Nokia Mobile Phones Ltd. | Symbol and frame synchronization in both a TDMA system and a CDMA |
| JP2943617B2 (ja) * | 1994-08-11 | 1999-08-30 | 松下電器産業株式会社 | 直接スペクトル拡散通信装置 |
| US6023489A (en) * | 1995-05-24 | 2000-02-08 | Leica Geosystems Inc. | Method and apparatus for code synchronization in a global positioning system receiver |
| WO1996042147A1 (en) * | 1995-06-13 | 1996-12-27 | Ntt Mobile Communications Network Inc. | Method for synchronizing spreading code and device for synchronizing spreading code |
| JP2751959B2 (ja) * | 1996-07-15 | 1998-05-18 | 日本電気株式会社 | Cdma受信装置の受信タイミング検出回路 |
| JP3376224B2 (ja) * | 1996-10-23 | 2003-02-10 | 株式会社エヌ・ティ・ティ・ドコモ | Ds−cdma基地局間非同期セルラ方式における初期同期方法および受信機 |
| JP2853705B2 (ja) * | 1997-05-07 | 1999-02-03 | 日本電気株式会社 | スペクトラム拡散通信受信機 |
| US5867525A (en) * | 1997-06-10 | 1999-02-02 | L-3 Commuications Corporation | Synchronizer and method therefor and communications system incorporating same |
| JP3631378B2 (ja) * | 1998-07-22 | 2005-03-23 | 富士通株式会社 | レーク受信器 |
| JP3251242B2 (ja) * | 1998-09-16 | 2002-01-28 | 沖電気工業株式会社 | 拡散符号同期回路及び拡散符号同期方法 |
| JP3852533B2 (ja) * | 1999-01-20 | 2006-11-29 | 三菱電機株式会社 | 初期捕捉回路 |
-
2001
- 2001-02-08 JP JP2001031684A patent/JP4590113B2/ja not_active Expired - Fee Related
- 2001-03-12 US US09/803,049 patent/US6868113B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US6868113B2 (en) | 2005-03-15 |
| US20010022809A1 (en) | 2001-09-20 |
| JP2001332998A (ja) | 2001-11-30 |
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