NOMA based RAW mechanism for performance enhancement of IEEE 802.11ah dense IoT networks
MAHESH MIRIYALA V P HARIGOVINDAN VEERAPU GOUTHAM BADARLA SRI PAVAN A V BABU
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In this article, we propose non-orthogonal multiple access (NOMA) based restricted access window (RAW) mechanism for IEEE 802.11ah compliant dense Internet of Things networks. The proposed scheme utilizes the principles of NOMA at the physical layer and distributed coordination function with theRAW mechanism at the data link layer. Using an analytical model, we evaluate the throughput of IEEE 802.11ah wireless local area network (WLAN) under the proposed RAW-NOMA integrated mechanism. From the results, we establish that the throughput and scalability of IEEE 802.11ah WLAN are significantly improved under the proposed channel access scheme. Finally, analytical findings are corroborated with ns-3 simulations.
MAHESH MIRIYALA1 V P HARIGOVINDAN2 VEERAPU GOUTHAM3 BADARLA SRI PAVAN2 A V BABU4
Volume 48, 2023
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