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지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학위논문
- 저자정보
- 지도교수
- 조진성
- 발행연도
- 2015
- 저작권
- 경희대학교 논문은 저작권에 의해 보호받습니다.
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초록· 키워드
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WBAN (Wireless Body Area Network) is communication technology which provides both medical and CE (Consumer Electronics) services by connecting wireless devices in/on/around a human body. The IEEE 802.15.4, a typical low-power communication technology, was considered to implement WBAN by reasons that its requirements is similar to WBAN and RF module implementation based on the IEEE 802.15.6 is not completed yet. In the case of coexisting many IEEE 802.15.4-based WBAN, meanwhile, communication reliability may decrease due to signal interference and collision. However, the IEEE 802.15.4 does not provide any solutions to solve coexistence problems. In this paper, I firstly perform preliminary experiments to identify aspects of coexisting IEEE 802.15.4-based WBANs. Based on results of preliminary experiment, I also propose a scheme to mitigate the reliability decrease at multiple coexistence WBAN. The proposed scheme can be classified in two phases. Phase 1 is avoidance to collision on the CFP through improving data transmission. Phase 2 is mitigation collision through converting channel access method when phase 1 cannot guarantee pre-defined reliability requirement. To evaluate performance of the proposed scheme, experiments are performed by comparing with the proposed scheme and IEEE 802.15.4-based WBAN.
목차
Abstract ······················v1. Introduction ···················12. Related Work ···················33. Preliminary Study ················ 74. Proposed Scheme ················· 115. Experiments ··················· 156. Conclusion ··················· 20References ····················· 21
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