VHO decision making and relay selection in cloud-based vehicular network = 클라우드 기반의 차량 네트워크 환경에서의 vertical handoff 의사결정과 릴레이 방안에 대한 분석

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With development of smart car, we expect there are many requests of various services to improve transport safety, relieve traffic congestion, reduce air pollution, and enhance the comfort of driving. However, the capabilities of vehicles are limited to store and compute large amounts of safety or non-safety related data. To deal with the requests, the importance of central cloud and roadside cloud will be increased. In this paper, we propose the optimal vertical handoff (VHO) in a cloud-based vehicular network setting. We show that VHO decision-making minimizes the time and cost at lower speeds, whereas it would be better not to perform VHO and only use central cloud system at higher speeds in cloud-based vehicular network. Furthermore, we suggest relay node selection protocol wherein the node selection is done on the basis of a link-stability. Finally, we show that the expanding of the coverage of roadside cloud helps the service drop rate at local cloud system.
Advisors
Lee, Chae Youngresearcher이채영researcher
Description
한국과학기술원 :산업및시스템공학과,
Publisher
한국과학기술원
Issue Date
2016
Identifier
325007
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 산업및시스템공학과, 2016.2 ,[V, 30 p. :]

Keywords

Cloud; Vertical Handoff; Relay Selection; Link Residual Time; Vehicular Network; 차량 네트워크; 클라우드; 릴레이 선택 방안; 차량 간 통신 안정성

URI
http://hdl.handle.net/10203/221463
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=649460&flag=dissertation
Appears in Collection
IE-Theses_Master(석사논문)
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