KR20010023901A - 통신방법, 송신기 및 수신기 - Google Patents
통신방법, 송신기 및 수신기 Download PDFInfo
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- KR20010023901A KR20010023901A KR1020007002585A KR20007002585A KR20010023901A KR 20010023901 A KR20010023901 A KR 20010023901A KR 1020007002585 A KR1020007002585 A KR 1020007002585A KR 20007002585 A KR20007002585 A KR 20007002585A KR 20010023901 A KR20010023901 A KR 20010023901A
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- 238000004891 communication Methods 0.000 title claims abstract description 79
- 238000000034 method Methods 0.000 title claims description 101
- 230000005540 biological transmission Effects 0.000 claims abstract description 244
- 238000012545 processing Methods 0.000 claims abstract description 186
- 238000012937 correction Methods 0.000 claims description 14
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 5
- 239000000284 extract Substances 0.000 claims description 5
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 2
- 238000005070 sampling Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 41
- 238000013507 mapping Methods 0.000 description 27
- 230000010363 phase shift Effects 0.000 description 14
- 230000003111 delayed effect Effects 0.000 description 13
- 238000003780 insertion Methods 0.000 description 13
- 230000037431 insertion Effects 0.000 description 13
- 230000001413 cellular effect Effects 0.000 description 12
- 238000000605 extraction Methods 0.000 description 10
- 238000012546 transfer Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- 230000002349 favourable effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 108010076504 Protein Sorting Signals Proteins 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000010267 cellular communication Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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
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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
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/04—Arrangements for detecting or preventing errors in the information received by diversity reception using frequency diversity
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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
- H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
-
- 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), DMT
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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
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
- H04L5/0046—Determination of how many bits are transmitted on different sub-channels
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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
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0071—Use of interleaving
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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
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (20)
- 소정의 대역에 복수의 채널을 설정하고,설정한 각각의 채널에서의 통신을 복수의 서브캐리어에 송신심벌을 분산시킨 멀티캐리어신호로 행하는 동시에,각 채널에서의 송신심벌의 주파수축상에서의 배치를 기준이 되는 주파수간격에 대해서 2의 N승걸러(N은 정의 임의의 수) 배치한 통신방법.
- 제 1항에 있어서,상기 통신은 무선통신인 통신방법.
- 제 1항에 있어서,송신하는 데이터의 비트율에 따라서, 상기 N의 값을 가변설정한 통신방법.
- 제 1항에 있어서,기지국과 단말장치와의 사이의 통신에 적용하고,기지국에서 송신되는 하강채널의 1채널을 파일럿채널로서 확보하고, 남은 채널을 트래픽채널로 하고,기지국에서는, 파일럿채널에서 기지신호의 송신을 행하고,단말장치에서는, 파일럿채널에서 수신된 심벌을 이용하여, 상기 트래픽채널에서 수신한 심벌의 전송로의 등화처리를 행하고, 그 등화처리된 심벌의 동기검파를 행하는 통신방법.
- 제 1항에 있어서,전송되는 신호를 채널단위 또는 주파수단위에서 주파수호핑시키는 통신방법.
- 소정의 대역에 복수의 채널을 설정하고,설정한 각각의 채널에서의 통신을 복수의 서브캐리어에 송신심벌을 분산시킨 멀티캐리어신호로 행하는 동시에,각 채널에 할할되는 서브캐리어로서, 소정수마다의 서브캐리어를 사용하고,각 채널에 할당되어 있는 서브캐리어의 서로 이웃하는 것 끼리로 차동변조를 행한 후에 송신하고,수신측에서는, 서로 이웃하는 것 끼리로 차동복조를 행하는 통신방법.
- 제 6항에 있어서,송신측에서, 각 채널에 할당되어 있는 서브캐리어의 서로 이웃하는 것끼리로 차동변조를 행하는 대신에, 주파수축상에서 서로 이웃하는 서브캐리어간에서 차동변조를 행하고,수신측에서, 각 채널에 할당되어 있는 서브캐리어의 서로 이웃하는 것끼리로 차동복조를 행하는 대신에, 주파수축상에서 서로 이웃하는 서브캐리어간에서 차동복조를 행하는 통신방법.
- 복수의 서브캐리어에 송신심벌을 분산시킨 멀티캐리어신호를 생성시키는 동시에,상기 멀티캐리어신호의 1채널 내에서의 송신심벌의 주파수축상에서의 배치를 기준이 되는 주파수간격에 대해서 2의 N승걸러(N은 정의 임의의 수)로 하고,생성된 멀티캐리어신호를 소정의 대역 내에 설정한 복수의 채널중의 소정의 채널로서 송신하는 송신기.
- 제 8항에 있어서,송신하는 데이터의 비트율에 따라서, 상기 N의 값을 가변설정하는 송신기.
- 제 8항에 있어서,복수의 채널의 송신심벌을 개별로 생성시킨 후, 1심벌마다 각 채널의 심벌을 나열하여 다중심벌열을 생성하고,생성된 다중심벌열에 일괄하여 멀티캐리어신호 생성처리를 행하고,복수의 채널을 일괄하여 송신처리를 행하는 송신기.
- 제 8항에 있어서,송신심벌을 생성하고, 생성한 송신심벌을 시간축상에서의 신호로서 추출한 후에, 자국에 할당된 채널에 상당하는 주파수오프셋분을 콘벌루트하는 처리를 행하는 송신기.
- 제 8항에 있어서,송신되는 복수의 채널중의 하나의 채널을 파일럿채널로서 기지신호를 송신처리하고, 남은 채널을 트랙픽채널로서 송신처리하는 송신기.
- 제 8항에 있어서,생성된 멀티캐리어신호를 채널단위 또는 소정 주파수대역단위로 주파수호핑시키는 주파수호핑수단을 갖춘 수신기.
- 복수의 서브캐리어에 송신심벌이 분산된 멀티캐리어신호를 수신하고,1채널 내에서 수신한 송신심벌을 기준이 되는 주파수간격에 대해서 2의 N승 걸러(N은 정의 임의의 수)의 주파수간격에서 수신처리하는 수신기.
- 제 14항에 있어서,수신한 신호에서 통신에 이용된 대역폭에서 송신되어 온 모든 심벌군중, 송신측이 송신하고 있는 통신채널의 심벌만을 추출하고,이 추출한 심벌을 채널디코더에 공급하여 디코드하는 수신기.
- 제 14항에 있어서,수신신호의 대역폭에 의해 결정되는 샘플율에 의해 수신신호의 샘플링을 행하고,샘플링된 심벌을 서로 가산 혹은 감산함으로써, 소망의 수신채널을 선택하고 후단에 출력하는 심벌수를 감소시켜서, 수신시의 최대 비트율에 의해 결정되는 필요 최소한의 샘플율로 하고,이 필요 최소한의 샘플율의 심벌수의 수신데이터를 수신처리하는 수신기.
- 제 16항에 있어서,복수의 수신채널을 선택하였을 때, 적어도 하나의 수신채널의 데이터에 정현파의 오프셋 보정신호를 승산하는 보정수단을 설치한 수신기.
- 제 16항에 있어서,상기 수신데이터를 수신처리하는 수신처리수단은, 최대 비트율에 의해 결정되는 처리능력을 갖추고,상기 최대 비트율보다도 낮은 비트율에서의 통신을 행할 때에는 소망의 비트만을 추출하는 수신기.
- 제 14항에 있어서,파일럿채널의 수신처리수단과, 트래픽채널의 수신처리수단과를 갖추고,상기 파일럿채널의 수신처리수단으로 수신된 기지신호의 심벌을 이용하여, 상기 트랙픽채널의 수신처리수단으로, 트래픽채널의 수신심벌의 전송로의 등화처리를 행하는 수신기.
- 제 14항에 있어서,수신한 신호를 채널단위 또는 소정주파수 대역단위에서 주파수호핑시키는 주파수호핑수단을 갖춘 수신기.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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JP19757498 | 1998-07-13 | ||
JP98-197574 | 1998-07-13 | ||
PCT/JP1999/003734 WO2000003508A1 (fr) | 1998-07-13 | 1999-07-09 | Procede de communication, emetteur, et recepteur |
Publications (2)
Publication Number | Publication Date |
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KR20010023901A true KR20010023901A (ko) | 2001-03-26 |
KR100620087B1 KR100620087B1 (ko) | 2006-09-05 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020007002585A KR100620087B1 (ko) | 1998-07-13 | 1999-07-09 | 통신방법, 송신기 및 수신기 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6563881B1 (ko) |
EP (1) | EP1014609B1 (ko) |
JP (1) | JP4310920B2 (ko) |
KR (1) | KR100620087B1 (ko) |
DE (1) | DE69920388T2 (ko) |
WO (1) | WO2000003508A1 (ko) |
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KR101203869B1 (ko) * | 2006-03-09 | 2012-11-21 | 엘지전자 주식회사 | 다양한 대역폭 능력의 단말기 지원을 위한 다중 반송파전송 방식 |
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DE69920388T2 (de) | 2006-02-23 |
WO2000003508A1 (fr) | 2000-01-20 |
EP1014609A4 (en) | 2003-02-05 |
US6563881B1 (en) | 2003-05-13 |
EP1014609A1 (en) | 2000-06-28 |
DE69920388D1 (de) | 2004-10-28 |
JP4310920B2 (ja) | 2009-08-12 |
EP1014609B1 (en) | 2004-09-22 |
KR100620087B1 (ko) | 2006-09-05 |
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