KR20010110459A - 다중반송파 cdma 전송시스템에서의 신호 포맷 - Google Patents
다중반송파 cdma 전송시스템에서의 신호 포맷 Download PDFInfo
- Publication number
- KR20010110459A KR20010110459A KR1020017011179A KR20017011179A KR20010110459A KR 20010110459 A KR20010110459 A KR 20010110459A KR 1020017011179 A KR1020017011179 A KR 1020017011179A KR 20017011179 A KR20017011179 A KR 20017011179A KR 20010110459 A KR20010110459 A KR 20010110459A
- Authority
- KR
- South Korea
- Prior art keywords
- signal format
- pilot
- symbol
- signal
- user
- Prior art date
Links
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
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
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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
- H04B1/692—Hybrid techniques using combinations of two or more spread spectrum techniques
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0014—Three-dimensional division
- H04L5/0016—Time-frequency-code
- H04L5/0021—Time-frequency-code in which codes are applied as a frequency-domain sequences, e.g. MC-CDMA
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
Description
Claims (5)
- 정보 심볼을 복제하여 주파수축 상에 나열하고, 상기 복제된 정보 심볼에 대해 주파수축 상에서 확산부호를 승적하고, 주파수가 다른 복수의 부반송파를 사용하여 정보의 다중전송을 하는 다중반송파 CDMA 전송시스템에서의 신호 포맷에 있어서,전송로의 변동을 추정하기 위한 파일럿 심볼을 삽입하여 동기검파를 할 때 사용되는 전송신호의 신호 포맷에서,상기 파일럿 심볼은 각 사용자에 공통의 전송로의 추정을 하기 위한 공통 파일럿 심볼과,상기 전송로와 다른 전송로에서 통신을 하는 사용자 고유의 개별 파일럿 심볼을 포함하는 신호 포맷의 다중반송파 CDMA 전송시스템에서의 신호 포맷.
- 제 1항에 있어서,상기 신호전송에 사용되는 복수의 부반송파 전부 또는 일부가 파일럿 심볼을 주파수축 상에서 확산할 때의 부반송파로 사용된 구성으로 되는 신호 포멧의 다중반송파 CDMA 전송시스템에서의 신호 포맷.
- 제 1항 또는 제 2항에 있어서,파일럿 심볼은 확산되는 주파수축 상에서 직교하고, 또한 시간축 상에서 파일럿 심볼 계열이 직교하도록 한 신호 포맷의 다중반송파 CDMA 전송시스템에서의 신호 포맷.
- 제 1항에 있어서,상기 신호전송에 사용되는 복수의 부반송파 일부를 주파수축 상에 이산적으로 파일럿 심볼로 할당하고, 상기 파일럿 심볼이 할당된 부반송파에 대해 공통 파일럿 심볼 및 개별 파일럿 심볼을 시간축 방향으로 확산부호를 사용하여 다중화 한 심볼 계열을 삽입한 신호 포멧의 다중반송파 CDMA 전송시스템에서의 신호 포맷.
- 제 4항에 있어서,상기 공통 파일럿 심볼 및 개별 파일럿 심볼에 대한 확산부호가 상호직교 하도록 한 신호 포멧의 다중반송파 CDMA 전송시스템에서의 신호 포맷.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2000-00000543 | 2000-01-05 | ||
JP2000000543A JP3522619B2 (ja) | 2000-01-05 | 2000-01-05 | マルチキャリアcdma伝送システムにおける送信機 |
PCT/JP2000/009315 WO2001050655A1 (fr) | 2000-01-05 | 2000-12-27 | Format de signal dans un systeme de transmission amrc a porteuses multiples |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010110459A true KR20010110459A (ko) | 2001-12-13 |
KR100413723B1 KR100413723B1 (ko) | 2004-01-03 |
Family
ID=18529878
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2001-7011179A KR100413723B1 (ko) | 2000-01-05 | 2000-12-27 | 다중반송파 cdma 전송시스템에서의 신호 포맷 |
Country Status (8)
Country | Link |
---|---|
US (1) | US7286508B2 (ko) |
EP (1) | EP1158709B1 (ko) |
JP (1) | JP3522619B2 (ko) |
KR (1) | KR100413723B1 (ko) |
CN (1) | CN1180552C (ko) |
AU (1) | AU755731B2 (ko) |
CA (1) | CA2362418C (ko) |
WO (1) | WO2001050655A1 (ko) |
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2000
- 2000-01-05 JP JP2000000543A patent/JP3522619B2/ja not_active Expired - Lifetime
- 2000-12-27 EP EP20000985944 patent/EP1158709B1/en not_active Expired - Lifetime
- 2000-12-27 WO PCT/JP2000/009315 patent/WO2001050655A1/ja active IP Right Grant
- 2000-12-27 AU AU22278/01A patent/AU755731B2/en not_active Ceased
- 2000-12-27 CN CNB008046867A patent/CN1180552C/zh not_active Expired - Fee Related
- 2000-12-27 KR KR10-2001-7011179A patent/KR100413723B1/ko active IP Right Grant
- 2000-12-27 US US09/914,781 patent/US7286508B2/en not_active Expired - Fee Related
- 2000-12-27 CA CA 2362418 patent/CA2362418C/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7349460B2 (en) | 2002-10-07 | 2008-03-25 | Electronics And Telecommunications Research Institute | MC/MC-DS dual-mode adaptive multi-carrier code division multiple access (CDMA) apparatus and method thereof |
US7826514B2 (en) | 2003-04-24 | 2010-11-02 | Nec Corporation | Radio transmitter-receiving apparatus and radio transmitting-receiving method for estimating noise and interference power in radio transmission using code spread |
Also Published As
Publication number | Publication date |
---|---|
US7286508B2 (en) | 2007-10-23 |
KR100413723B1 (ko) | 2004-01-03 |
EP1158709A1 (en) | 2001-11-28 |
US20020136176A1 (en) | 2002-09-26 |
CA2362418A1 (en) | 2001-07-12 |
CN1343408A (zh) | 2002-04-03 |
JP2001197037A (ja) | 2001-07-19 |
AU2227801A (en) | 2001-07-16 |
AU755731B2 (en) | 2002-12-19 |
EP1158709B1 (en) | 2012-01-11 |
EP1158709A4 (en) | 2006-01-11 |
JP3522619B2 (ja) | 2004-04-26 |
CA2362418C (en) | 2010-08-17 |
WO2001050655A1 (fr) | 2001-07-12 |
CN1180552C (zh) | 2004-12-15 |
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