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Unlike previous works on FD\u2010EH systems, we consider the case that both relay and destination are mobile vehicles while the source is a static base station. We mathematically derive the exact closed\u2010form expressions of ECs of both AF and DF protocols of the considered FD\u2010EH\u2010V2V relay system over cascade (double) Rayleigh fading. Our numerical results show that the ECs in the case of the V2V communication system are reduced compared to those in the case of stationary nodes. Also, with a specific value of residual self\u2010interference (RSI), the ECs of the considered FD\u2010EH\u2010V2V relay system can be higher or lower than those of half\u2010duplex\u2010 (HD\u2010) EH\u2010V2V system, depending on the average transmission power of the source. Furthermore, when the transmission power of the source and RSI are fixed, the ECs of the considered system can achieve peak values by using optimal EH time duration. On the other hand, the ECs of both AF and DF protocols reach the capacity floors in the high signal\u2010to\u2010noise ratio (SNR) regime due to the RSI impact. Also, the effect of RSI dominates the impact of cascade Rayleigh fading in the high SNR regime. Finally, we validate our analysis approach through Monte\u2010Carlo simulations.<\/jats:p>","DOI":"10.1155\/2021\/8865615","type":"journal-article","created":{"date-parts":[[2021,2,4]],"date-time":"2021-02-04T16:51:56Z","timestamp":1612457516000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["On the Capacity of Full\u2010Duplex AF\/DF Relay System with Energy Harvesting for Vehicle\u2010to\u2010Vehicle Communications"],"prefix":"10.1155","volume":"2021","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4532-5493","authenticated-orcid":false,"given":"Ba Cao","family":"Nguyen","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xuan Hung","family":"Le","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Van Duan","family":"Nguyen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7297-7705","authenticated-orcid":false,"given":"Le The","family":"Dung","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2021,2,4]]},"reference":[{"key":"e_1_2_8_1_2","unstructured":"ZhaoY. 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