KR101242592B1 - 무선 파라미터군을 생성하는 장치, 송신기 및 수신기 - Google Patents
무선 파라미터군을 생성하는 장치, 송신기 및 수신기 Download PDFInfo
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- KR101242592B1 KR101242592B1 KR1020087000766A KR20087000766A KR101242592B1 KR 101242592 B1 KR101242592 B1 KR 101242592B1 KR 1020087000766 A KR1020087000766 A KR 1020087000766A KR 20087000766 A KR20087000766 A KR 20087000766A KR 101242592 B1 KR101242592 B1 KR 101242592B1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
- H04L1/0007—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format by modifying the frame length
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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
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/042—Public Land Mobile systems, e.g. cellular systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
- H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
- H04L27/2603—Signal structure ensuring backward compatibility with legacy system
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
- H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
- H04L27/2607—Cyclic extensions
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- Computer Networks & Wireless Communication (AREA)
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- Time-Division Multiplex Systems (AREA)
Abstract
Description
Claims (8)
- 가드 인터벌부 및 유효 심볼부를 갖는 심볼을 고유 길이의 송신시간간격마다 복수개 송신 또는 수신하는 직교 주파수 시분할 다중화(OFDM) 방식의 이동통신시스템에서 사용되는 무선 파라미터군을 생성하는 장치에 있어서,한 조의 제1 심볼 파라미터군에 의해 규정되는 유효 심볼부의 기간과 동일한 기간의 유효 심볼부를 가지며, 상기 한 조의 제1 심볼 파라미터군에 의해 규정되는 가드 인터벌부의 기간과는 다른 기간의 가드 인터벌부를 갖는 심볼을 규정하는 다른 한 조의 제2 심볼 파라미터군을 도출하는 수단;한 조의 제1 심볼 파라미터군에 의해 규정되는 1 심볼 중의 가드 인터벌부가 차지하는 비율과 다른 한 조의 제3 심볼 파라미터군에 의해 규정되는 1 심볼 중의 가드 인터벌부가 차지하는 비율이 동등하고 또한 심볼의 길이가 다른 심볼을 규정하는 다른 한 조의 제3 심볼 파라미터군을 도출하는 수단;을 가지며제1 심볼 파라미터군, 제2 심볼 파라미터군, 제3 심볼 파라미터군에서는, 고정 길이의 송신시간간격 중의 심볼 수가 서로 다르도록, 심볼 수가 조정되는 것을 특징으로 하는 무선 파라미터군을 생성하는 장치.
- 가드 인터벌부 및 유효 심볼부를 갖는 심볼을 고유 길이의 송신시간간격마다 복수개 수신하는 직교 주파수 시분할 다중화(OFDM) 방식의 수신장치에 있어서,한 조의 제1 심볼 파라미터군에 의해 규정되는 유효 심볼부의 기간과 동일한 기간의 유효 심볼부를 가지며, 상기 한 조의 제1 심볼 파라미터군에 의해 규정되는 가드 인터벌부의 기간과는 다른 기간의 가드 인터벌부를 갖는 심볼을 규정하는 다른 한 조의 제2 심볼 파라미터군을 도출하는 수단과, 한 조의 제1 심볼 파라미터군에 의해 규정되는 1 심볼 중의 가드 인터벌부가 차지하는 비율과 다른 한 조의 제3 심볼 파라미터군에 의해 규정되는 1 심볼 중의 가드 인터벌부가 차지하는 비율이 동등하고 또한 심볼의 길이가 다른 심볼을 규정하는 다른 한 조의 제3 심볼 파라미터군을 도출하는 수단을 포함하는 심볼 파라미터 조정부;상기 심볼 파라미터 조정부에서의 도출결과를 기초로, 수신한 신호로부터 가드 인터벌에 상당하는 부분을 제거하는 가드 인터벌 제거부;상기 가드 인터벌 제거부로부터의 신호를 고속 푸리에 변환하는 고속 푸리에 변환부;를 구비하고,상기 심볼 파라미터 조정부에 있어서, 제1 심볼 파라미터군, 제2 심볼 파라미터군, 제3 심볼 파라미터군에서는, 고정 길이의 송신시간간격 중의 심볼 수가 서로 다르도록, 심볼 수가 조정되는 것을 특징으로 하는 수신장치.
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Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JPJP-P-2005-00174396 | 2005-06-14 | ||
| JP2005174396A JP4732808B2 (ja) | 2005-06-14 | 2005-06-14 | 無線パラメータ群を生成する装置 |
| PCT/JP2006/311545 WO2006134830A1 (ja) | 2005-06-14 | 2006-06-08 | 無線パラメータ群を生成する装置、送信機及び受信機 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20080021775A KR20080021775A (ko) | 2008-03-07 |
| KR101242592B1 true KR101242592B1 (ko) | 2013-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020087000766A Active KR101242592B1 (ko) | 2005-06-14 | 2006-06-08 | 무선 파라미터군을 생성하는 장치, 송신기 및 수신기 |
Country Status (9)
| Country | Link |
|---|---|
| US (2) | US20090296833A1 (ko) |
| EP (2) | EP1892866A4 (ko) |
| JP (1) | JP4732808B2 (ko) |
| KR (1) | KR101242592B1 (ko) |
| CN (2) | CN101223721A (ko) |
| BR (1) | BRPI0612294A2 (ko) |
| RU (1) | RU2430475C2 (ko) |
| TW (1) | TW200705914A (ko) |
| WO (1) | WO2006134830A1 (ko) |
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2006
- 2006-06-08 CN CNA2006800261630A patent/CN101223721A/zh active Pending
- 2006-06-08 US US11/917,734 patent/US20090296833A1/en not_active Abandoned
- 2006-06-08 KR KR1020087000766A patent/KR101242592B1/ko active Active
- 2006-06-08 BR BRPI0612294-9A patent/BRPI0612294A2/pt not_active Application Discontinuation
- 2006-06-08 RU RU2008100083/09A patent/RU2430475C2/ru not_active IP Right Cessation
- 2006-06-08 EP EP06766507.5A patent/EP1892866A4/en not_active Withdrawn
- 2006-06-08 WO PCT/JP2006/311545 patent/WO2006134830A1/ja not_active Ceased
- 2006-06-08 CN CN201310043529.7A patent/CN103152306B/zh active Active
- 2006-06-08 EP EP13191358.4A patent/EP2696550A1/en not_active Withdrawn
- 2006-06-13 TW TW095120962A patent/TW200705914A/zh unknown
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Also Published As
| Publication number | Publication date |
|---|---|
| CN101223721A (zh) | 2008-07-16 |
| CN103152306A (zh) | 2013-06-12 |
| RU2008100083A (ru) | 2009-07-20 |
| EP1892866A1 (en) | 2008-02-27 |
| KR20080021775A (ko) | 2008-03-07 |
| TW200705914A (en) | 2007-02-01 |
| BRPI0612294A2 (pt) | 2010-11-03 |
| JP4732808B2 (ja) | 2011-07-27 |
| US20120093257A1 (en) | 2012-04-19 |
| EP1892866A4 (en) | 2013-09-04 |
| WO2006134830A1 (ja) | 2006-12-21 |
| RU2430475C2 (ru) | 2011-09-27 |
| EP2696550A1 (en) | 2014-02-12 |
| CN103152306B (zh) | 2016-06-29 |
| TWI312629B (ko) | 2009-07-21 |
| US20090296833A1 (en) | 2009-12-03 |
| JP2006352379A (ja) | 2006-12-28 |
| US8483043B2 (en) | 2013-07-09 |
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