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M-1-1 Cooperative Protocol Based on OSOC-SS to Improve Bandwidth Utilization in USN
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  • M-1-1 Cooperative Protocol Based on OSOC-SS to Improve Bandwidth Utilization in USN
  • M-1-1 Cooperative Protocol Based on OSOC-SS to Improve Bandwidth Utilization in USN
저자명
Kong. Hyung-Yun,Hwang. Yun-Kyeong
간행물명
Journal of the Korean Institute of Electromagnetic Engineering and Science
권/호정보
2008년|8권 2호|pp.41-46 (6 pages)
발행정보
한국전자파학회
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정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

A bandwidth and power efficient high speed ubiquitous sensor network(USN) for realizing a ubiquitous society is a great challenge for researcher community. In this paper we incorporate a cooperative transmission protocol within a special type of multi-code modulation to meet these requirements. Multi-code(Mc) modulation has been developed for high-speed data transmission over wireless channels. We proposed a new class of orthogonal codes for multi-code modulation which is an orthogonal subset of orthogonal codes(OSOC). Our proposed OSOC structure allows us to use only one relay to cooperate M nodes that effectively reduces the bandwidth and power requirement. This protocol is similar to spread-spectrum(SS) technique that can reduce both broad and narrow band jamming.