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Nobakht, Padideh, Aminian Modarres, Amir Masoud, Hodtani, Ghosheh Abed. (1404). Achievable Rate Region for Wireless Multiple Access Channels with UAV Relay and k Independent Transmitters. نشریه مهندسی عمران امیرکبیر, (), -. doi: 10.22060/eej.2026.23943.5643
Padideh Nobakht; Amir Masoud Aminian Modarres; Ghosheh Abed Hodtani. "Achievable Rate Region for Wireless Multiple Access Channels with UAV Relay and k Independent Transmitters". نشریه مهندسی عمران امیرکبیر, , , 1404, -. doi: 10.22060/eej.2026.23943.5643
Nobakht, Padideh, Aminian Modarres, Amir Masoud, Hodtani, Ghosheh Abed. (1404). 'Achievable Rate Region for Wireless Multiple Access Channels with UAV Relay and k Independent Transmitters', نشریه مهندسی عمران امیرکبیر, (), pp. -. doi: 10.22060/eej.2026.23943.5643
Nobakht, Padideh, Aminian Modarres, Amir Masoud, Hodtani, Ghosheh Abed. Achievable Rate Region for Wireless Multiple Access Channels with UAV Relay and k Independent Transmitters. نشریه مهندسی عمران امیرکبیر, 1404; (): -. doi: 10.22060/eej.2026.23943.5643

Achievable Rate Region for Wireless Multiple Access Channels with UAV Relay and k Independent Transmitters

AUT Journal of Electrical Engineering
مقالات آماده انتشار، پذیرفته شده، انتشار آنلاین از تاریخ 30 بهمن 1404    اصل مقاله (1.08 M)
نوع مقاله: Research Article
شناسه دیجیتال (DOI): 10.22060/eej.2026.23943.5643
نویسندگان
Padideh Nobakht1؛ Amir Masoud Aminian Modarres* 1؛ Ghosheh Abed Hodtani2
1Dr, Department of Electrical Engineering, sadjad University, Mashhad, Iran
2Profssor, Department of Electrical Engineering, Ferdowsi University, Mashhad, Iran
چکیده
This paper considers and characterizes a multiple access relay channel (MARC) with $k$ transmitters, one UAV relay, and a terrestrial receiver, where we derive a new achievable rate region for the continuous alphabet wireless with an unmanned aerial vehicle (UAV) relay. The derived rate region is then evaluated numerically and compared with those of multiple access channels (MAC) and MARC with terrestrial relays. The results show that the presence of a UAV relay increases the achievable rate region of MAC systems by exploiting higher line-of-sight (LoS) channel quality and time-varying spatial link gains due to the UAV’s position. This improvement in the achievable region is not merely due to the UAV’s presence but arises from the different channel geometry and dynamic link conditions introduced by the UAV relay compared with terrestrial relays.
کلیدواژه‌ها
achievable rate region؛ multiple access relay channel؛ UAV
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