工业无线传感器网络系统中uav - bs智能通信的优先mac模型

Williams-Paul Nwadiugwu, Seung-Hwan Kim, Jae-Min Lee, Dong-Seong Kim
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引用次数: 1

摘要

提出了一种用于工业无线传感器网络系统(IWSN)中无人机数据采集与处理的优先级mac协议模型。该模型封装了现有的IEEE 802.11载波感知多址冲突避免(CSMA/CA) MAC协议,其中节点在无人机覆盖区域内保持活动状态。然后使用分布式协调函数帧间间隔(DCFIS)方法部署一种水平侧接入信道方法来区分对每个地面节点的优先级分配。因此,处于最高优先级的水平侧帧的节点比处于较低优先级的水平侧帧的节点具有更短的时间长度和更多的DCFIS值。仿真结果表明,该协议不仅提高了网络的公平性,而且降低了网络的延迟时间,提高了网络的公平性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Prioritized-MAC Model for Intelligent UAV-to-BS Communication in Industrial-WSN Systems
In this paper, a prioritized-MAC protocol model for unmanned aerial vehicle (UAV) data collection and processing in an industrial wireless sensor network system (IWSN) is proposed. The model encapsulates the existing legacy IEEE 802.11 carrier-sense multiple access collision avoidance (CSMA/CA) MAC protocol, where nodes are kept active when in UAV’s coverage area. A level-sided access channel approach is then deployed to distinguish the priority allotment to each ground node using the distributed coordinated function inter-frame spacing (DCFIS) approach. Consequently, nodes located at the highest priority level-sided frame have shorter time-length with more DCFIS values than those of lower priority level-sided frames. On simulation, our proposed protocol not only improves fairness, but enhances network fairness with reduced delay time.
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