{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2022,4,4]],"date-time":"2022-04-04T07:54:16Z","timestamp":1649058856487},"reference-count":17,"publisher":"SAGE Publications","issue":"12","license":[{"start":{"date-parts":[[2013,12,1]],"date-time":"2013-12-01T00:00:00Z","timestamp":1385856000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["International Journal of Distributed Sensor Networks"],"published-print":{"date-parts":[[2013,12,1]]},"abstract":"<jats:p> The IEEE Wireless Access for Vehicular Environment (WAVE) standard consists of the IEEE 802.11p and the IEEE 1609 specifications supporting fast link establishment as well as broadband data communication in vehicular environment. Although the standard has been widely accepted by industry as well as highway authorities in many countries to be used for the radio communication infrastructure of the next-generation Intelligent Transport System (ITS), it remains open for further enhancements such as seamless handover support. This paper presents two proactive caching and forwarding schemes for seamless handover in IEEE WAVE networks: one for straight highway sections and the other for crossroads and junctions. Practical and efficient handover procedures, based on the proposed schemes, are also presented. Specifically, an on-board unit (OBU) informs the old road-side unit (RSU) about its departure from the coverage area such that the old RSU can forward the buffered packets to candidate RSUs for proactive caching. In handover scenarios around crossroads and junctions, the IEEE 802.11f Move-notify message is used by the new RSU to request the rest of candidate RSUs to purge the cached packets in order to prevent the waste of radio resource. Simulation results show that the proposed schemes outperform conventional schemes. <\/jats:p>","DOI":"10.1155\/2013\/627691","type":"journal-article","created":{"date-parts":[[2013,12,10]],"date-time":"2013-12-10T21:02:19Z","timestamp":1386709339000},"page":"627691","update-policy":"http:\/\/dx.doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":1,"title":["Proactive Caching and Forwarding Schemes for Seamless Handover in IEEE WAVE Networks"],"prefix":"10.1177","volume":"9","author":[{"given":"Young-uk","family":"Chung","sequence":"first","affiliation":[{"name":"Department of Electronic Engineering, Kwangwoon University, 21 Kwangwoon-ro, Nowon-gu, Seoul 139-701, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hyukjoon","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Computer Engineering, Kwangwoon University, 21 Kwangwoon-ro, Nowon-gu, Seoul 139-701, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yong-Hoon","family":"Choi","sequence":"additional","affiliation":[{"name":"School of Robotics, Kwangwoon University, 21 Kwangwoon-ro, Nowon-gu, Seoul 139-701, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chungwon","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Civil and Environmental Engineering, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 151-742, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2013,12,10]]},"reference":[{"key":"B2-2013-627691","doi-asserted-by":"publisher","DOI":"10.1109\/MOVE.2007.4300811"},{"key":"B6-2013-627691","volume-title":"Proceedings of the International Technical Conference on Circuits\/Systems, Computers and Communications (ITC-CSCC '04)","author":"Kim H. 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