KR100818243B1 - 자동 재송 요구방식을 이용하는 멀티캐리어 통신 시스템을위한 통신 방법 - Google Patents
자동 재송 요구방식을 이용하는 멀티캐리어 통신 시스템을위한 통신 방법 Download PDFInfo
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- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
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- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
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- Detection And Prevention Of Errors In Transmission (AREA)
Abstract
Description
변조 방식 | 코드 레이트 | Bits/s/Hz |
QPSK | 1/8 | 1/4 |
QPSK | 1/4 | 1/2 |
QPSK | 1/2 | 1 |
16QAM | 1/2 | 2 |
16QAM | 3/4 | 3 |
64QAM | 2/3 | 4 |
64QAM | 5/6 | 5 |
Claims (10)
- 무선 멀티캐리어 패킷 통신 방법으로서,하위계층에서 하이브리드 ARQ 방식으로 동작하고 상위계층에서 ARQ 방식으로 동작하고, 상기 하이브리드 ARQ 방식은제1 주파수 재사용 팩터를 가지며 서브 캐리어들의 그룹들로 구성되는 제1 서브 채널을 사용하여 정보 패킷을 전송하는 단계;수신기로부터 상기 정보 패킷에 대한 ACK/NACK 신호와 채널 품질 정보를 수신하는 단계; 및상기 수신기로부터 NACK 신호가 수신되면, 상기 채널 품질 정보에 근거하여 제2 주파수 재사용 팩터를 가지는 제2 서브 채널을 통해 상기 정보 패킷을 재전송하는 단계를 포함하는 것을 특징으로 하는 무선 멀티캐리어 패킷 통신 방법.
- 제1항에 있어서,상기 제1 주파수 재사용 팩터는 1이고, 상기 제2 주파수 재사용 팩터는 3인 것을 특징으로 하는 무선 멀티캐리어 패킷 통신 방법.
- 제1항 또는 제2항에 있어서,상기 재전송 단계는 상기 제2 서브 채널을 재구성하는 과정을 포함하는 것을 특징으로 하는 무선 멀티캐리어 패킷 통신 방법.
- 제3항에 있어서,상기 재구성은 변조 방식들, 코딩 레이트, 파일럿 패턴들, 트레이닝 심볼들, 전력 레벨들, 공간 프로세싱 방식들, 변조 성상도 배열들, 송신기 안테나 기술들, 또는 그들의 조합을 이용하는 것을 특징으로 하는 무선 멀티캐리어 패킷 통신 방법.
- 제1항 또는 제2항에 있어서,상기 재전송의 횟수는 어플리케이션 또는 유닛 프로세싱 성능에 따라 다르게 설정되는 것을 특징으로 하는 무선 멀티캐리어 패킷 통신 방법.
- 제1항 또는 제2항에 있어서,상기 제2 서브 채널은 예약된 서브 채널인 것을 특징으로 하는 무선 멀티캐리어 패킷 통신 방법.
- 무선 멀티캐리어 패킷 통신 방법으로서,하위계층에서 하이브리드 ARQ 방식으로 동작하고 상위계층에서 ARQ 방식으로 동작하고, 상기 하이브리드 ARQ 방식은어플리케이션 또는 유닛 프로세싱 성능에 따라 재전송 횟수를 다르게 설정하는 단계; 및수신기로부터 NACK 신호가 수신된 경우, 서브 채널을 통해 패킷을 상기 설정된 재전송 횟수 범위내에서 재전송하거나 또는 상기 수신기로부터 ACK 신호가 수신될 때까지 재전송하는 단계를 포함하는 것을 특징으로 무선 멀티캐리어 패킷 통신 방법.
- 제7항에 있어서,상기 재전송 횟수는 지연에 둔감한 어플리케이션보다 지연에 민감한 어플리케이션에 대하여 더 작게 설정되는 것을 특징으로 하는 무선 멀티캐리어 패킷 통신 방법.
- 제7항 또는 제8항에 있어서,상기 재전송 단계는, 상기 서브 채널을 변조 방식들, 코딩 레이트, 파일럿 패턴들, 트레이닝 심볼들, 전력 레벨들, 공간 프로세싱 방식들, 변조 성상도 배열들, 송신기 안테나 기술들, 또는 그들의 조합을 이용하여 재구성하는 과정을 포함하는 것을 특징으로 하는 무선 멀티캐리어 패킷 통신 방법.
- 제7항 또는 제8항에 있어서,상기 재전송 단계는, 상기 서브 채널을 최초 전송할 때 사용한 주파수 재사용 팩터와 다른 주파수 재사용 팩터를 사용하는 것을 특징으로 하는 무선 멀티캐리어 패킷 통신 방법.
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US54231704P | 2004-02-07 | 2004-02-07 | |
US60/542,317 | 2004-02-07 |
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KR1020077022097A KR100818243B1 (ko) | 2004-02-07 | 2005-02-07 | 자동 재송 요구방식을 이용하는 멀티캐리어 통신 시스템을위한 통신 방법 |
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US (6) | US8571057B2 (ko) |
KR (2) | KR100818771B1 (ko) |
CN (2) | CN102594501B (ko) |
WO (1) | WO2005078976A1 (ko) |
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KR100818771B1 (ko) | 2004-02-07 | 2008-04-02 | 포스데이타 주식회사 | 자동 재송 요구방식을 이용하는 멀티캐리어 통신 시스템을위한 통신 방법 및 통신 장치 |
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CN102594501A (zh) | 2012-07-18 |
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US10313061B2 (en) | 2019-06-04 |
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US20170264397A1 (en) | 2017-09-14 |
CN1951042A (zh) | 2007-04-18 |
US9509451B2 (en) | 2016-11-29 |
US20140056261A1 (en) | 2014-02-27 |
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US9083500B2 (en) | 2015-07-14 |
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