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المؤلفKhan, Wali Ullah
المؤلفJameel, Furqan
المؤلفKumar, Neeraj
المؤلفJantti, Riku
المؤلفGuizani, Mohsen
تاريخ الإتاحة2022-11-08T10:45:15Z
تاريخ النشر2021-02-01
اسم المنشورIEEE Transactions on Vehicular Technology
المعرّفhttp://dx.doi.org/10.1109/TVT.2021.3056220
الاقتباسKhan, W. U., Jameel, F., Kumar, N., Jäntti, R., & Guizani, M. (2021). Backscatter-enabled efficient V2X communication with non-orthogonal multiple access. IEEE Transactions on Vehicular Technology, 70(2), 1724-1735.‏
الرقم المعياري الدولي للكتاب00189545
معرّف المصادر الموحدhttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85100742652&origin=inward
معرّف المصادر الموحدhttp://hdl.handle.net/10576/35939
الملخصNon-orthogonal multiple access (NOMA) and backscatter communications are considered to be promising technologies for beyond the fifth-generation (5G) due to their applications in large-scale Internet-of-things networks for providing low-powered and spectral-efficient communication. NOMA also provides a new way to enable vehicle-to-everything (V2X) networks and improve the achievable rates through cooperation. Motivated by these developments, we provided a novel analysis for NOMA-enabled backscatter-based V2X networks. Specifically, we consider that several vehicles are connected to the base station (BS) via different roadside units (RSUs) and the backscatter tags along the road. These backscatter tags can be considered ultra-low-powered safety sensors that communicate with the vehicles using the same spectrum resources. To optimize the performance of such networks, a joint problem of optimal power allocation at BS and RSUs has been formulated. Subsequently, the problem has been transformed into a convex problem and solved using KKT conditions and sub-gradient methods. To evaluate the performance of the proposed solution, Monte-Carlo simulations have been performed in MATLAB. The acquired results clearly demonstrate that the proposed approach performs better than the conventional suboptimal NOMA scheme and joint optimal TDMA scheme.
اللغةen
الناشرInstitute of Electrical and Electronics Engineers Inc.
الموضوعBackscatter communication
Internet-of-things
KKT
non-orthogonal multiple access
power allocation
V2X
العنوانBackscatter-Enabled Efficient V2X Communication with Non-Orthogonal Multiple Access
النوعArticle
الصفحات1724-1735
رقم العدد2
رقم المجلد70
dc.accessType Abstract Only


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