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As an important component of the IoV, the deployment of RoadSide Unit (RSU) directly influences the service performance of the IoV system to vehicles, and reasonable RSU deployment can save resource costs and improve system operating efficiency. This paper proposes an RSU deployment mechanism based on the popularity of road intersections, which uses three traffic parameters, vehicle contact time, intersection connectivity, and intersection coverage capacity, as the main reference indicators. Meanwhile, an improved hotspot discovery algorithm (IHDA) is utilized to introduce inhibition distance during deployment to reduce interference between RSUs. The simulation results demonstrate that, compared with the existing typical deployment methods, this program can improve the coverage time ratio and the contacts of vehicles per trip.<\/jats:p>","DOI":"10.1155\/2021\/9980093","type":"journal-article","created":{"date-parts":[[2021,6,24]],"date-time":"2021-06-24T23:05:45Z","timestamp":1624575945000},"page":"1-11","source":"Crossref","is-referenced-by-count":7,"title":["Roadside Unit Deployment Mechanism Based on Node Popularity"],"prefix":"10.1155","volume":"2021","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7969-9296","authenticated-orcid":true,"given":"Ming","family":"Mao","sequence":"first","affiliation":[{"name":"People\u2019s Liberation Army Strategic Support Force Information Engineering University, Zhengzhou 450001, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Peng","family":"Yi","sequence":"additional","affiliation":[{"name":"People\u2019s Liberation Army Strategic Support Force Information Engineering University, Zhengzhou 450001, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhen","family":"Zhang","sequence":"additional","affiliation":[{"name":"People\u2019s Liberation Army Strategic Support Force Information Engineering University, Zhengzhou 450001, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Liang","family":"Wang","sequence":"additional","affiliation":[{"name":"People\u2019s Liberation Army Strategic Support Force Information Engineering University, Zhengzhou 450001, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jinchuan","family":"Pei","sequence":"additional","affiliation":[{"name":"People\u2019s Liberation Army Strategic Support Force Information Engineering University, Zhengzhou 450001, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","reference":[{"key":"1","doi-asserted-by":"publisher","DOI":"10.1109\/medhocnet.2014.6849111"},{"key":"2","doi-asserted-by":"publisher","DOI":"10.1109\/inm.2015.7140467"},{"key":"3","doi-asserted-by":"publisher","DOI":"10.1109\/mits.2013.2253159"},{"issue":"9","key":"4","doi-asserted-by":"crossref","first-page":"1783","DOI":"10.1109\/TPDS.2012.263","article-title":"Minimum-cost sensor placement for a required lifetime in wireless sensor-target surveillance networks","volume":"24","author":"H. 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