WO2003079568A1 - Path diversity receiver apparatus and method of spectrum spread communication system - Google Patents
Path diversity receiver apparatus and method of spectrum spread communication system Download PDFInfo
- Publication number
- WO2003079568A1 WO2003079568A1 PCT/JP2003/003350 JP0303350W WO03079568A1 WO 2003079568 A1 WO2003079568 A1 WO 2003079568A1 JP 0303350 W JP0303350 W JP 0303350W WO 03079568 A1 WO03079568 A1 WO 03079568A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- path
- detection
- signal
- preamble signal
- correlator
- Prior art date
Links
- 238000004891 communication Methods 0.000 title claims description 18
- 238000001228 spectrum Methods 0.000 title claims description 15
- 238000000034 method Methods 0.000 title claims description 8
- 238000001514 detection method Methods 0.000 claims abstract description 59
- 238000009792 diffusion process Methods 0.000 claims 1
- 230000003595 spectral effect Effects 0.000 claims 1
- 238000005070 sampling Methods 0.000 abstract 3
- 238000010586 diagram Methods 0.000 description 9
- 238000010295 mobile communication Methods 0.000 description 7
- 235000017848 Rubus fruticosus Nutrition 0.000 description 4
- 244000172730 Rubus fruticosus Species 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 101000741965 Homo sapiens Inactive tyrosine-protein kinase PRAG1 Proteins 0.000 description 2
- 101001090074 Homo sapiens Small nuclear protein PRAC1 Proteins 0.000 description 2
- 102100038659 Inactive tyrosine-protein kinase PRAG1 Human genes 0.000 description 2
- 102100034766 Small nuclear protein PRAC1 Human genes 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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
- H04B1/7075—Synchronisation aspects with code phase acquisition
- H04B1/708—Parallel implementation
-
- 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
- H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
-
- 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
-
- 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
- H04B1/709—Correlator structure
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/70707—Efficiency-related aspects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/70707—Efficiency-related aspects
- H04B2201/7071—Efficiency-related aspects with dynamic control of receiver resources
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA 2479009 CA2479009A1 (en) | 2002-03-20 | 2003-03-19 | Path diversity receiver apparatus and method of spectrum spread communication system |
AU2003227471A AU2003227471A1 (en) | 2002-03-20 | 2003-03-19 | Path diversity receiver apparatus and method of spectrum spread communication system |
KR20047014560A KR100685087B1 (ko) | 2002-03-20 | 2003-03-19 | 스펙트럼 확산 통신 시스템의 경로 다이버시티 수신 장치 및 방법 |
EP20030717537 EP1492246B1 (en) | 2002-03-20 | 2003-03-19 | Path diversity receiver apparatus and method of spectrum spread communication system |
DE2003606758 DE60306758T2 (de) | 2002-03-20 | 2003-03-19 | Pfad-Diversitäts-Empfangsvorrichtung und Verfahren für ein Spreizspektrum-Kommunikationssystem |
US10/507,916 US7269204B2 (en) | 2002-03-20 | 2003-03-19 | Path diversity receiver apparatus and method of spectrum spread communication system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002078714A JP3858985B2 (ja) | 2002-03-20 | 2002-03-20 | スペクトル拡散通信システムのパスダイバーシチ受信装置及び方法 |
JP2002-078714 | 2002-03-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003079568A1 true WO2003079568A1 (en) | 2003-09-25 |
Family
ID=28035599
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/003350 WO2003079568A1 (en) | 2002-03-20 | 2003-03-19 | Path diversity receiver apparatus and method of spectrum spread communication system |
Country Status (10)
Country | Link |
---|---|
US (1) | US7269204B2 (ja) |
EP (1) | EP1492246B1 (ja) |
JP (1) | JP3858985B2 (ja) |
KR (1) | KR100685087B1 (ja) |
CN (1) | CN1303765C (ja) |
AU (1) | AU2003227471A1 (ja) |
CA (1) | CA2479009A1 (ja) |
DE (1) | DE60306758T2 (ja) |
ES (1) | ES2262990T3 (ja) |
WO (1) | WO2003079568A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9020756B2 (en) * | 1999-04-23 | 2015-04-28 | Global Locate, Inc. | Method and apparatus for processing satellite positioning system signals |
US7769076B2 (en) | 2001-05-18 | 2010-08-03 | Broadcom Corporation | Method and apparatus for performing frequency synchronization |
US7006556B2 (en) * | 2001-05-18 | 2006-02-28 | Global Locate, Inc. | Method and apparatus for performing signal correlation at multiple resolutions to mitigate multipath interference |
GB0425401D0 (en) * | 2004-11-18 | 2004-12-22 | Koninkl Philips Electronics Nv | Apparatus and method for deriving position information |
US7986946B2 (en) * | 2005-06-29 | 2011-07-26 | Telefonaktiebolaget Lm Ericsson (Publ) | Evaluation of random access preamble codes |
WO2007099800A1 (ja) | 2006-02-28 | 2007-09-07 | Nec Corporation | 送信タイミング制御システム及びその方法並びにそれに用いる移動局 |
JP2011114716A (ja) * | 2009-11-27 | 2011-06-09 | Fujitsu Ltd | ランダムアクセスチャネル受信装置およびその受信方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10178386A (ja) * | 1996-12-18 | 1998-06-30 | Fujitsu Ltd | Cdmaシステム及びその送受信装置及びランダムアクセス方法 |
JP2001094473A (ja) * | 1999-09-24 | 2001-04-06 | Nec Corp | Cdma移動通信受信方式におけるサーチ方法および受信装置 |
JP2002246952A (ja) * | 2001-02-14 | 2002-08-30 | Nec Corp | 移動体通信システムと基地局ならびに通信制御方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10190526A (ja) * | 1996-12-26 | 1998-07-21 | Sony Corp | 受信装置及び受信方法、並びに無線システムの端末装置 |
US6643275B1 (en) * | 1998-05-15 | 2003-11-04 | Telefonaktiebolaget Lm Ericsson (Publ) | Random access in a mobile telecommunications system |
JP3028804B2 (ja) * | 1998-07-03 | 2000-04-04 | 日本電気株式会社 | Cdma受信方法及び受信回路 |
JP3320667B2 (ja) * | 1998-12-21 | 2002-09-03 | 株式会社東芝 | スペクトラム拡散無線通信装置 |
JP3522178B2 (ja) * | 1999-02-24 | 2004-04-26 | 株式会社日立国際電気 | 符号分割多重アクセス基地局 |
US6785257B1 (en) * | 1999-02-24 | 2004-08-31 | Kokusai Electric Co., Ltd. | Base station |
JP3358603B2 (ja) * | 1999-11-04 | 2002-12-24 | 日本電気株式会社 | パスタイミング検出回路及びその検出方法 |
-
2002
- 2002-03-20 JP JP2002078714A patent/JP3858985B2/ja not_active Expired - Fee Related
-
2003
- 2003-03-19 KR KR20047014560A patent/KR100685087B1/ko not_active IP Right Cessation
- 2003-03-19 WO PCT/JP2003/003350 patent/WO2003079568A1/ja active IP Right Grant
- 2003-03-19 AU AU2003227471A patent/AU2003227471A1/en not_active Abandoned
- 2003-03-19 EP EP20030717537 patent/EP1492246B1/en not_active Expired - Fee Related
- 2003-03-19 CA CA 2479009 patent/CA2479009A1/en not_active Abandoned
- 2003-03-19 CN CNB038065274A patent/CN1303765C/zh not_active Expired - Fee Related
- 2003-03-19 US US10/507,916 patent/US7269204B2/en not_active Expired - Fee Related
- 2003-03-19 ES ES03717537T patent/ES2262990T3/es not_active Expired - Lifetime
- 2003-03-19 DE DE2003606758 patent/DE60306758T2/de not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10178386A (ja) * | 1996-12-18 | 1998-06-30 | Fujitsu Ltd | Cdmaシステム及びその送受信装置及びランダムアクセス方法 |
JP2001094473A (ja) * | 1999-09-24 | 2001-04-06 | Nec Corp | Cdma移動通信受信方式におけるサーチ方法および受信装置 |
JP2002246952A (ja) * | 2001-02-14 | 2002-08-30 | Nec Corp | 移動体通信システムと基地局ならびに通信制御方法 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1492246A4 * |
Also Published As
Publication number | Publication date |
---|---|
AU2003227471A1 (en) | 2003-09-29 |
KR100685087B1 (ko) | 2007-02-22 |
US7269204B2 (en) | 2007-09-11 |
DE60306758T2 (de) | 2007-07-05 |
ES2262990T3 (es) | 2006-12-01 |
DE60306758D1 (de) | 2006-08-24 |
KR20040091749A (ko) | 2004-10-28 |
JP3858985B2 (ja) | 2006-12-20 |
CA2479009A1 (en) | 2003-09-25 |
JP2003283373A (ja) | 2003-10-03 |
CN1643804A (zh) | 2005-07-20 |
EP1492246B1 (en) | 2006-07-12 |
US20050117631A1 (en) | 2005-06-02 |
EP1492246A1 (en) | 2004-12-29 |
EP1492246A4 (en) | 2005-09-14 |
CN1303765C (zh) | 2007-03-07 |
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