用于IEEE 802.11 ah网络的基于空频分集的MAC协议

2022 International Conference on Advanced Technologies for Communications (ATC) Pub Date : 2022-10-20 DOI:10.1109/ATC55345.2022.9943042

Duc Ngoc Minh Dang, Van Thau Tran, Hoang Lam Nguyen, Nhat Truong Pham, Anh Khoa Tran, Ngoc-Hanh Dang

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引用次数: 2

摘要

IEEE 802.11ah是一种sub-GHz通信技术，可为物联网(IoT)应用提供更远距离和低功耗连接。指定限制访问窗口(RAW)以降低碰撞概率。电台被分成若干组，每组中的电台在其分配的RAW时隙期间尝试使用分布式协调函数访问信道。然而，网络吞吐量受到单通道MAC协议的限制。本文提出了一种基于空间频率分集的IEEE 802.11ah网络MAC协议(SF-MAC协议)，该协议允许不同扇区的站在转发器的帮助下在不同的信道上传输数据包。本文提出的SF-MAC协议提高了网络的分组传送率和总吞吐量。

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Space-Frequency Diversity based MAC protocol for IEEE 802.11 ah networks

IEEE 802.11ah is a sub-GHz communication technology to offer longer range and low power connectivity for the Internet of Things (IoT) applications. A Restricted Access Window (RAW) is specified to decrease the collision probability. Stations are divided into groups and stations from each group attempt to access the channel by employing the Distributed Coordination Function during their assigned RAW slots. However, the network throughput is limited by a single channel MAC protocol. In this paper, Space-Frequency Diversity-based MAC protocol for the IEEE 802.11ah network (SF-MAC protocol) is proposed to allow stations of different sectors to transmit packets on different channels with the help of Forwarders. The proposed SF-MAC protocol improves the packet delivery ratio and aggregate throughput of the network.

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2022 International Conference on Advanced Technologies for Communications (ATC)

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