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논문 기본 정보

자료유형
학술저널
저자정보
Sang-Il Choi (Korea Institute of Civil Engineering and Building Technology) Seok-Joo Koh (Kyungpook National University)
저널정보
한국정보통신학회JICCE Journal of information and communication convergence engineering Journal of information and communication convergence engineering Vol.15 No.1
발행연도
2017.3
수록면
37 - 42 (6page)

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초록· 키워드

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The constrained application protocol (CoAP) can be used for remotely controlling various sensor devices in Internet of Things (IoT) networks. In CoAP, to support the handover of a mobile sensor device, service discovery and message transmission needs to be repeated, although doing so would increase the handover delay significantly. To address this limitation of CoAP, a centralized CoAP scheme has been proposed. However, it tends to result in performance degradation for an inter-domain handover case. In this letter, we propose a distributed CoAP handover scheme to support the inter-domain handover. In the proposed scheme, a distributed mobility agent (DMA) is used for managing the location of mobile sensors in a domain and performing handover control operations with its neighboring DMAs in a distributed manner. A performance comparison reveals that the proposed scheme offers a performance improvement of up to 29.5% in terms of the handover delay.

목차

Abstract
I. INTRODUCTION
II. EXISTING COAP HANDOVER SCHEME
III. PROPOSED DISTRIBUTED COAP HANDOVER
IV. DISCUSSION AND CONCLUSIONS
V. CONCLUSION
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