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However, models devised for a random motion scene are no longer applicable in circumstances. Therefore, in this paper, a city\u2010level mobility model is proposed based on the feature mining of the real trajectory of vehicles in the city of Shenzhen. The proposed model is separately designed in the motion trajectory to reduce the mutual influence between the time and spatial sequence. Simulation results show that it can better present specific node motions with the physical constraints of the city layout, which are motivated with a high degree of fit in terms of self\u2010similarity, hotspots, and long\u2010tail features.<\/jats:p>","DOI":"10.1155\/2021\/5356193","type":"journal-article","created":{"date-parts":[[2021,5,5]],"date-time":"2021-05-05T23:06:34Z","timestamp":1620255994000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Trajectory Mining\u2010Based City\u2010Level Mobility Model for 5G NB\u2010IoT Networks"],"prefix":"10.1155","volume":"2021","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6488-0081","authenticated-orcid":false,"given":"Runzhou","family":"Zhang","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4374-817X","authenticated-orcid":false,"given":"Han","family":"Zhong","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9710-9755","authenticated-orcid":false,"given":"Tongyi","family":"Zheng","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0019-9761","authenticated-orcid":false,"given":"Lei","family":"Ning","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2021,5,5]]},"reference":[{"key":"e_1_2_9_1_2","doi-asserted-by":"publisher","DOI":"10.1109\/JIOT.2018.2863267"},{"key":"e_1_2_9_2_2","doi-asserted-by":"publisher","DOI":"10.1109\/COMST.2016.2550765"},{"key":"e_1_2_9_3_2","doi-asserted-by":"publisher","DOI":"10.1109\/JIOT.2019.2948888"},{"key":"e_1_2_9_4_2","article-title":"A survey on 5G usage scenarios and traffic models","volume":"2020","author":"Navarro-Ortiz J.","year":"2020","journal-title":"IEEE Communications Surveys & Tutorials"},{"key":"e_1_2_9_5_2","doi-asserted-by":"publisher","DOI":"10.1109\/JIOT.2018.2847731"},{"key":"e_1_2_9_6_2","doi-asserted-by":"publisher","DOI":"10.1109\/COMST.2015.2419819"},{"key":"e_1_2_9_7_2","doi-asserted-by":"publisher","DOI":"10.1109\/JSAC.2016.2525439"},{"key":"e_1_2_9_8_2","doi-asserted-by":"publisher","DOI":"10.1109\/COMST.2016.2532458"},{"key":"e_1_2_9_9_2","doi-asserted-by":"publisher","DOI":"10.1109\/TII.2019.2947435"},{"key":"e_1_2_9_10_2","doi-asserted-by":"publisher","DOI":"10.1002\/wcm.72"},{"key":"e_1_2_9_11_2","doi-asserted-by":"crossref","unstructured":"NaikK. 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