KR100456494B1 - 수신기 및 역확산 부호 생성 방법 - Google Patents
수신기 및 역확산 부호 생성 방법 Download PDFInfo
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- KR100456494B1 KR100456494B1 KR10-2002-7000765A KR20027000765A KR100456494B1 KR 100456494 B1 KR100456494 B1 KR 100456494B1 KR 20027000765 A KR20027000765 A KR 20027000765A KR 100456494 B1 KR100456494 B1 KR 100456494B1
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- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000003892 spreading Methods 0.000 title description 3
- 238000003860 storage Methods 0.000 claims abstract description 19
- 230000002194 synthesizing effect Effects 0.000 claims abstract description 6
- 238000004891 communication Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 28
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000000630 rising effect Effects 0.000 description 6
- 238000009825 accumulation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 101150023943 MCP-2 gene Proteins 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- AEUKDPKXTPNBNY-XEYRWQBLSA-N mcp 2 Chemical compound C([C@@H](C(=O)N[C@@H](CS)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CCCNC(N)=N)C(=O)NCC(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CC=1NC=NC=1)C(=O)N1[C@@H](CCC1)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CS)C(=O)N[C@@H](CS)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CCCNC(N)=N)C(O)=O)NC(=O)CNC(=O)[C@H](C)NC(=O)[C@H](CCCNC(N)=N)NC(=O)[C@H](CCCNC(N)=N)NC(=O)[C@H](CCC(O)=O)NC(=O)[C@H](CC(C)C)NC(=O)[C@H]1N(CCC1)C(=O)[C@H](CC(C)C)NC(=O)[C@H](CS)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](C)NC(=O)[C@H](CCCNC(N)=N)NC(=O)[C@H](CCCNC(N)=N)NC(=O)[C@H](CS)NC(=O)[C@H](C)NC(=O)[C@H](CS)NC(=O)[C@@H](NC(=O)[C@@H](N)C(C)C)C(C)C)C1=CC=CC=C1 AEUKDPKXTPNBNY-XEYRWQBLSA-N 0.000 description 1
- 101150078980 mcp3 gene Proteins 0.000 description 1
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Classifications
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- 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
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/10—Code generation
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- 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
- H04B1/70756—Jumping within the code, i.e. masking or slewing
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Circuits Of Receivers In General (AREA)
Abstract
Description
Claims (15)
- 역확산 부호의 발생 처리를 제어하는 제어 신호와, 역확산 부호의 독출 처리에 필요한 어드레스 정보 및 독출 제어 신호를 출력하는 제어 수단과,상기 제어 신호에 기초하여 역확산 부호를 연속적으로 발생하는 유일(唯一)의 원부호 발생 수단과,상기 제어 수단으로부터 멀티 패스의 각 패스의 지연 시간에 대응한 어드레스가 공급되어, 상기 어드레스 단위로 상기 역확산 부호를 저장하는 부호 저장 수단과,상기 독출 제어 신호로 상기 어드레스에 대응한 역확산 부호를 독출해서 상기 각 패스에 출력하는 부호 독출 수단과,상기 각 패스에 대응하여 설치되고, 상기 부호 독출 수단으로부터 출력된 상기 어드레스에 대응한 역확산 부호를 사용하여 수신 신호를 복조하는 복수의 복조 수단과,상기 각 복조 수단으로부터 출력된 복조 신호를 합성하는 합성 수단을 포함하는 것을 특징으로 하는 수신기.
- 제1항에 있어서,상기 부호 저장 수단은, 동일 칩 구간에서의 역확산 부호의 기입 처리, 및 동일 칩 구간에서 축적된 부호의 독출 처리를 시분할로 실시하는 것을 특징으로 하는 수신기.
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- 멀티 패스 통신 환경에서의 수신 신호를 각 패스에 대응하는 역확산 부호를 이용하여 개별적으로 복조하는 수신기의 역확산 부호 생성 방법에 있어서,역확산 부호의 생성 처리를 제어하는 제어 신호에 기초하여 역확산 부호를 연속적으로 발생하는 역확산 부호 발생 단계와,멀티 패스의 각 패스의 지연 시간에 대응한 어드레스를 공급하여, 상기 어드레스 단위로 상기 역확산 부호를 저장하는 부호 저장 단계와,상기 어드레스에 대응한 역확산 부호를 독출하여 상기 각 패스에 출력하는 부호 독출 단계를 포함하는 것을 특징으로 하는 역확산 부호 생성 방법.
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Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2000-00148156 | 2000-05-19 | ||
JP2000148156A JP3583349B2 (ja) | 2000-05-19 | 2000-05-19 | 受信機および逆拡散符号生成方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020035103A KR20020035103A (ko) | 2002-05-09 |
KR100456494B1 true KR100456494B1 (ko) | 2004-11-10 |
Family
ID=18654232
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2002-7000765A Expired - Fee Related KR100456494B1 (ko) | 2000-05-19 | 2001-05-11 | 수신기 및 역확산 부호 생성 방법 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20030086484A1 (ko) |
JP (1) | JP3583349B2 (ko) |
KR (1) | KR100456494B1 (ko) |
CN (1) | CN1181635C (ko) |
WO (1) | WO2001089126A1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5769357B2 (ja) * | 2005-01-12 | 2015-08-26 | インビディ テクノロジーズ コーポレイションInvidi Technologies Corporation | 放送網のアセット配信のためのターゲット・インプレッション・モデル |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5467367A (en) * | 1991-06-07 | 1995-11-14 | Canon Kabushiki Kaisha | Spread spectrum communication apparatus and telephone exchange system |
FI97581C (fi) * | 1995-02-10 | 1997-01-10 | Nokia Telecommunications Oy | Vastaanotin ja menetelmä hajotuskoodien generoimiseksi vastaanottimessa |
JP3578839B2 (ja) * | 1995-07-18 | 2004-10-20 | 三菱電機株式会社 | ディジタル受信機 |
JPH0936778A (ja) * | 1995-07-20 | 1997-02-07 | Oki Electric Ind Co Ltd | 拡散符号発生回路及び移動体通信用の受信装置 |
JPH0955715A (ja) * | 1995-08-11 | 1997-02-25 | Toshiba Corp | スペクトル拡散無線通信装置 |
EP0774850B1 (en) * | 1995-11-16 | 2004-10-27 | Ntt Mobile Communications Network Inc. | Digital signal detecting method and detector |
JPH10107594A (ja) * | 1996-09-30 | 1998-04-24 | Oki Electric Ind Co Ltd | 疑似ランダム符号発生装置、スライディング相関器、及びレイク受信装置 |
JP3716402B2 (ja) * | 1999-02-19 | 2005-11-16 | 富士通株式会社 | スペクトラム拡散通信方法並びにその送信装置及び受信装置 |
JP2000349681A (ja) * | 1999-06-09 | 2000-12-15 | Nec Corp | スペクトラム拡散通信用受信機 |
-
2000
- 2000-05-19 JP JP2000148156A patent/JP3583349B2/ja not_active Expired - Fee Related
-
2001
- 2001-05-11 CN CNB018013228A patent/CN1181635C/zh not_active Expired - Fee Related
- 2001-05-11 US US10/031,372 patent/US20030086484A1/en not_active Abandoned
- 2001-05-11 KR KR10-2002-7000765A patent/KR100456494B1/ko not_active Expired - Fee Related
- 2001-05-11 WO PCT/JP2001/003950 patent/WO2001089126A1/ja not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
US20030086484A1 (en) | 2003-05-08 |
JP2001332997A (ja) | 2001-11-30 |
WO2001089126A1 (fr) | 2001-11-22 |
CN1181635C (zh) | 2004-12-22 |
JP3583349B2 (ja) | 2004-11-04 |
KR20020035103A (ko) | 2002-05-09 |
CN1381113A (zh) | 2002-11-20 |
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