{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,30]],"date-time":"2025-07-30T15:03:30Z","timestamp":1753887810215,"version":"3.41.2"},"reference-count":23,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2021,7,21]],"date-time":"2021-07-21T00:00:00Z","timestamp":1626825600000},"content-version":"vor","delay-in-days":201,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["61872452","61872451"],"award-info":[{"award-number":["61872452","61872451"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Wireless Communications and Mobile Computing"],"published-print":{"date-parts":[[2021,1]]},"abstract":"<jats:p>The fifth\u2010generation\u2010enabled Internet of Things (5G\u2010enabled IoT) has been considered as a key enabler for the automation of almost all industries. In 5G\u2010enabled IoT, resource\u2010limited passive devices are expected to join the IoT using the WiFi backscatter communication (WiFi\u2010BSC) technology. However, WiFi\u2010BSC deployment is currently limited due to high equipment cost and short transmission range. To address these two drawbacks, in this paper, we propose a low\u2010cost and long\u2010range node\u2010assisted WiFi backscatter communication scheme. In our scheme, a WiFi node can receive backscatter signals using two cheap regular half\u2010duplex antennas (instead of using expensive full\u2010duplex technique or collaborating with multiple other nodes), thereby reducing the equipment cost. Besides, WiFi nodes can help relay backscatter signals to remote 5G infrastructure, greatly extending the backscatter\u2019s transmission range. We then develop a theoretical model to analyze the throughput of WiFi\u2010BSC. Extensive simulations verify the effectiveness of our scheme and the accuracy of our model.<\/jats:p>","DOI":"10.1155\/2021\/8540457","type":"journal-article","created":{"date-parts":[[2021,7,21]],"date-time":"2021-07-21T20:35:08Z","timestamp":1626899708000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Low\u2010Cost and Long\u2010Range Node\u2010Assisted WiFi Backscatter Communication for 5G\u2010Enabled IoT Networks"],"prefix":"10.1155","volume":"2021","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4115-0569","authenticated-orcid":false,"given":"Zhimin","family":"Wang","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6172-8650","authenticated-orcid":false,"given":"Li","family":"Feng","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shumin","family":"Yao","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kan","family":"Xie","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yuqiang","family":"Chen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2021,7,21]]},"reference":[{"key":"e_1_2_9_1_2","doi-asserted-by":"publisher","DOI":"10.1109\/JSAC.2018.2815418"},{"key":"e_1_2_9_2_2","unstructured":"Minimum requirements related to technical performance for IMT-2020 radio interface(s) https:\/\/www.itu.int:443\/en\/publications\/ITU-R\/Pages\/publications.aspx."},{"key":"e_1_2_9_3_2","unstructured":"5G for connected industries and automation white paper https:\/\/www.5g-acia.org\/fileadmin\/5G-ACIA\/Publikationen\/Whitepaper_5G_for_Connected_Industries_and_Automation\/WP_5G_for_Connected_Industries_and_Automation_Download_19.03.19.pdf."},{"key":"e_1_2_9_4_2","doi-asserted-by":"publisher","DOI":"10.1109\/JSAC.2016.2525398"},{"key":"e_1_2_9_5_2","doi-asserted-by":"publisher","DOI":"10.1155\/2021\/8887445"},{"key":"e_1_2_9_6_2","doi-asserted-by":"publisher","DOI":"10.1155\/2020\/6684681"},{"key":"e_1_2_9_7_2","doi-asserted-by":"publisher","DOI":"10.1145\/2534169.2486015"},{"key":"e_1_2_9_8_2","doi-asserted-by":"publisher","DOI":"10.1145\/2829988.2787490"},{"key":"e_1_2_9_9_2","doi-asserted-by":"crossref","unstructured":"ZhangP. 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HitchHike: practical backscatter using commodity WiFi Proceedings of the 14th ACM Conference on Embedded Network Sensor Systems CD-ROM 2016 Stanford CA USA 259\u2013271.","DOI":"10.1145\/2994551.2994565"},{"key":"e_1_2_9_10_2","doi-asserted-by":"publisher","DOI":"10.1145\/2740070.2626319"},{"key":"e_1_2_9_11_2","doi-asserted-by":"publisher","DOI":"10.1109\/jiot.2018.2869015"},{"key":"e_1_2_9_12_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.comcom.2014.08.008"},{"key":"e_1_2_9_13_2","doi-asserted-by":"publisher","DOI":"10.1109\/MWC.2014.7000982"},{"key":"e_1_2_9_14_2","doi-asserted-by":"publisher","DOI":"10.1109\/COMST.2018.2841964"},{"key":"e_1_2_9_15_2","doi-asserted-by":"publisher","DOI":"10.1109\/TVT.2020.3006478"},{"key":"e_1_2_9_16_2","doi-asserted-by":"publisher","DOI":"10.1109\/TCOMM.2021.3050503"},{"key":"e_1_2_9_17_2","doi-asserted-by":"publisher","DOI":"10.1109\/tgcn.2021.3062060"},{"key":"e_1_2_9_18_2","doi-asserted-by":"publisher","DOI":"10.1109\/jiot.2019.2955909"},{"key":"e_1_2_9_19_2","doi-asserted-by":"crossref","unstructured":"CaoX. SongZ. YangB. ElMossallamyM. QianL. andHanZ. A distributed MAC using Wi-Fi to assist sporadic backscatter communications IEEE INFOCOM 2019-IEEE Conference on Computer Communications Workshops (INFOCOM WKSHPS) 2019 Paris France 780\u2013785.","DOI":"10.1109\/INFCOMW.2019.8845110"},{"key":"e_1_2_9_20_2","doi-asserted-by":"crossref","unstructured":"CaoX. SongZ. YangB. DuX. QianL. andHanZ. 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