First we explore the concept of Non-Orthogonal Multiple Access (NOMA) scheme for the future radio access for 5G and then we study the application of NOMA in Unmanned Aerial Vehicle (UAV) communication. We first will study the fundamental techniques for both downlink and uplink channels and then discuss optimizing the network capacity under fairness constraints. Then we discuss the impacts of imperfect receivers on the performance of NOMA networks. Furthermore we discuss the spectral efficiency (SE) of the networks and its relations with energy efficiency (EE). We also demonstrate that the networks with NOMA outperform other multiple access schemes in terms of sum capacity, Energy Efficiency and Spectral Efficiency. Performance comparisons are also provided with altitude fixed OMA and NOMA schemes. Results are presented for various target regions and deployment environments i.e., rural, urban, and dense urban. Clearly, the proposed scheme achieves better sum-rate at a lower altitude which reduces the overall energy expenditure of the UAV.
Per prima cosa esploriamo il concetto di schema NOMA (Non-Orthogonal Multiple Access) per il futuro accesso radio per 5G e poi studiamo l'applicazione del NOMA nella comunicazione UAV (Unmanned Aerial Vehicle). In primo luogo studieremo le tecniche fondamentali per entrambi i canali di downlink e di uplink e quindi discuterò l'ottimizzazione della capacità della rete in base ai vincoli di equità. Quindi discutiamo l'impatto dei ricevitori imperfetti sulle prestazioni delle reti NOMA. Inoltre discutiamo dell'efficienza spettrale (SE) delle reti e delle sue relazioni con l'efficienza energetica (EE). Dimostriamo anche che le reti con NOMA superano gli altri schemi di accesso multiplo in termini di somma di capacità, efficienza energetica ed efficienza spettrale. I confronti delle prestazioni sono forniti anche con schemi OMA e NOMA fissi per altitudine. I risultati vengono presentati per varie regioni di destinazione e ambienti di distribuzione, cioè urbano, rurale, urbano e denso. Chiaramente, lo schema proposto raggiunge una migliore somma a una quota più bassa che riduce il dispendio energetico complessivo dell'UAV.
Non-orthogonal multiple access (NOMA) for 5G networks and its application in unmanned aerial vehicle assisted communication
CHATTOPADHYAY, SOHINI
2018/2019
Abstract
First we explore the concept of Non-Orthogonal Multiple Access (NOMA) scheme for the future radio access for 5G and then we study the application of NOMA in Unmanned Aerial Vehicle (UAV) communication. We first will study the fundamental techniques for both downlink and uplink channels and then discuss optimizing the network capacity under fairness constraints. Then we discuss the impacts of imperfect receivers on the performance of NOMA networks. Furthermore we discuss the spectral efficiency (SE) of the networks and its relations with energy efficiency (EE). We also demonstrate that the networks with NOMA outperform other multiple access schemes in terms of sum capacity, Energy Efficiency and Spectral Efficiency. Performance comparisons are also provided with altitude fixed OMA and NOMA schemes. Results are presented for various target regions and deployment environments i.e., rural, urban, and dense urban. Clearly, the proposed scheme achieves better sum-rate at a lower altitude which reduces the overall energy expenditure of the UAV.File | Dimensione | Formato | |
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Descrizione: First we explore the concept of Non-Orthogonal Multiple Access (NOMA) scheme for the future radio access for 5G and then we study the application of NOMA in Unmanned Aerial Vehicle (UAV) communication. We first will study the fundamental techniques for both downlink and uplink channels and then discuss optimizing the network capacity under fairness constraints. Then we discuss the impacts of imperfect receivers on the performance of NOMA networks. Furthermore we discuss the spectral efficiency (SE) of the networks and its relations with energy efficiency (EE). We also demonstrate that the networks with NOMA outperform other multiple access schemes in terms of sum capacity, Energy Efficiency and Spectral Efficiency. Performance comparisons are also provided with altitude fixed OMA and NOMA schemes. Results are presented for various target regions and deployment environments i.e., rural, urban, and dense urban. Clearly, the proposed scheme achieves better sum-rate at a lower altitude which reduces the overall energy expenditure of the UAV.
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https://hdl.handle.net/10589/147329