IoT MAC:一种用于IoT智能环境的通道访问机制

IF 2.3 Q2 COMPUTER SCIENCE, THEORY & METHODS
Array Pub Date : 2023-07-01 DOI:10.1016/j.array.2023.100285
Md. Arifuzzaman Mondal , Nurzaman Ahmed , Md. Iftekhar Hussain
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引用次数: 1

摘要

在智能环境中,大量的传感器和执行器设备被用于传感和自动化。虽然在IEEE 802.11ah中使用RAW为大量站点提供通信,但根据应用程序的标准,最先进的通道访问解决方案在同时处理周期性上行链路和事件驱动的下行链路驱动方面存在缺陷。在本文中,我们提出了IoT-MAC,一种用于智能空间自动化的下行流量感知介质访问控制(MAC)协议。考虑到上行流量的周期性和新鲜度,该方案使用新的RAW帧来调度下行驱动流量。IoT-MAC识别上行流量的周期性,并调度帧而不进一步争用。然后,它在不丢失新的上行链路数据的情况下优先处理关键下行链路流量。对所提出方案的性能分析显示,在运行不同物联网应用的吞吐量、延迟、功耗和丢包方面有显著改善。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
IoT-MAC: A Channel Access Mechanism for IoT Smart Environment

A large number of sensor and actuator devices are being deployed for sensing and automation in a smart environment. While enabling communication for a large number of stations with RAW in IEEE 802.11ah, the state-of-the-art solutions for channel access are deficient in dealing with both periodic uplink and event-driven downlink actuation at the same time, as per the application’s criteria. In this paper, we propose IoT-MAC, a downlink traffic-aware Medium Access Control (MAC) protocol for automation in smart spaces. The proposed scheme uses new RAW frames to schedule downlink actuation traffic, considering the periodicity and freshness of uplink traffic. IoT-MAC identifies the periodicity of uplink traffic and schedules a frame without further contention. It then prioritizes critical downlink traffic without losing fresh uplink data. The performance analysis of the proposed scheme shows significant improvement in terms of throughput, delay, power consumption and packet loss for running different IoT applications.

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来源期刊
Array
Array Computer Science-General Computer Science
CiteScore
4.40
自引率
0.00%
发文量
93
审稿时长
45 days
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