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The key feature is the Nakagami channels of the wireless channel from the source node to the destination node, which results in the difficulty of the theoretical analysis over the system performance. To tackle this difficulty, the probability distribution function (PDF) of the received signal\u2010to\u2010noise ratio (SNR) at the destination node is derived by exploiting the function and integral properties. Then, the outage probability and bit error rate (BER) of the whole wireless IoT system are derived in the analytical expression without any approximation. Numerical simulations demonstrate the accuracy of the derived theoretical analysis for this system.<\/jats:p>","DOI":"10.1155\/2018\/2437361","type":"journal-article","created":{"date-parts":[[2018,4,23]],"date-time":"2018-04-23T23:31:15Z","timestamp":1524526275000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Performance Analysis of Multihop Relaying Caching for Internet of Things under Nakagami Channels"],"prefix":"10.1155","volume":"2018","author":[{"given":"Baofeng","family":"Ji","sequence":"first","affiliation":[]},{"given":"Bingbing","family":"Xing","sequence":"additional","affiliation":[]},{"given":"Kang","family":"Song","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9217-4523","authenticated-orcid":false,"given":"Chunguo","family":"Li","sequence":"additional","affiliation":[]},{"given":"Hong","family":"Wen","sequence":"additional","affiliation":[]},{"given":"Luxi","family":"Yang","sequence":"additional","affiliation":[]}],"member":"311","published-online":{"date-parts":[[2018,4,23]]},"reference":[{"key":"e_1_2_8_1_2","doi-asserted-by":"publisher","DOI":"10.1109\/ACCESS.2017.2705638"},{"key":"e_1_2_8_2_2","doi-asserted-by":"publisher","DOI":"10.1109\/COMST.2016.2547440"},{"key":"e_1_2_8_3_2","doi-asserted-by":"publisher","DOI":"10.1109\/MWC.2017.1600343"},{"key":"e_1_2_8_4_2","doi-asserted-by":"publisher","DOI":"10.1109\/COMST.2016.2594120"},{"key":"e_1_2_8_5_2","doi-asserted-by":"publisher","DOI":"10.1109\/MWC.2017.1600431"},{"key":"e_1_2_8_6_2","doi-asserted-by":"publisher","DOI":"10.1109\/jsyst.2015.2500518"},{"key":"e_1_2_8_7_2","doi-asserted-by":"publisher","DOI":"10.1109\/JSYST.2015.2469102"},{"key":"e_1_2_8_8_2","doi-asserted-by":"publisher","DOI":"10.1049\/iet-cps.2016.0020"},{"key":"e_1_2_8_9_2","doi-asserted-by":"publisher","DOI":"10.1109\/TASE.2015.2497800"},{"key":"e_1_2_8_10_2","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2015.2502590"},{"key":"e_1_2_8_11_2","doi-asserted-by":"publisher","DOI":"10.1109\/MCOM.2017.1600617"},{"key":"e_1_2_8_12_2","doi-asserted-by":"publisher","DOI":"10.1109\/JIOT.2017.2707489"},{"key":"e_1_2_8_13_2","doi-asserted-by":"publisher","DOI":"10.1109\/ACCESS.2017.2749606"},{"key":"e_1_2_8_14_2","doi-asserted-by":"publisher","DOI":"10.1109\/ACCESS.2017.2747085"},{"key":"e_1_2_8_15_2","doi-asserted-by":"publisher","DOI":"10.1109\/LCOMM.2011.070711.110931"},{"key":"e_1_2_8_16_2","doi-asserted-by":"crossref","unstructured":"BeaulieuN. 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