一种高信道利用率的无人机自组网单阈值接入协议

doi:10.19678/j.issn.1000-3428.0056849

计算机工程 ›› 2021, Vol. 47 ›› Issue (2): 206-211. doi: 10.19678/j.issn.1000-3428.0056849

一种高信道利用率的无人机自组网单阈值接入协议

任智^1,2, 杨迪^1,2, 胡春^1,2, 朱克兰^1,2

1. 重庆邮电大学通信与信息工程学院, 重庆 400065;
2. 重庆邮电大学移动通信技术重庆市重点实验室, 重庆 400065

收稿日期:2019-12-10 修回日期:2020-01-13 出版日期:2021-02-15 发布日期:2020-01-15
作者简介:任智(1971-),男,教授、博士、博士生导师,主研方向为自组网MAC层协议;杨迪、胡春、朱克兰,硕士研究生。
基金资助:
国家自然科学基金（61379159）。

A Single Threshold Access Protocol for UAV Ad-Hoc Network with High Channel Utilization Rate

REN Zhi^1,2, YANG Di^1,2, HU Chun^1,2, ZHU Kelan^1,2

1. School of Communication and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing 400065, China;
2. Chongqing Key Laboratory of Mobile Communication Technology, Chongqing University of Posts and Telecommunications, Chongqing 400065, China

Received:2019-12-10 Revised:2020-01-13 Online:2021-02-15 Published:2020-01-15

摘要/Abstract

摘要： 为解决现有无人机自组网MAC层接入协议信道负载统计时间不统一导致负载统计结果存在误差和信道资源利用率降低的问题，提出一种多优先级单阈值接入控制（MSAC）协议。通过设计信道负载统计时间校正机制和基于单阈值的信道接入控制机制，实现更精准的信道负载统计和以数据包为单位的负载控制，使系统信道承载能力与实际信道负载相匹配，最大化利用信道资源。仿真结果表明，MSAC协议可在保证较高信道资源利用率的同时，提升信道重载情况下的数据传输成功率和MAC层吞吐量。

关键词: 无人机自组网, 多址接入协议, 优先级阈值, 信道资源利用率, 数据传输成功率

Abstract: The access protocol of the MAC layer in the existing UAV Ad-Hoc Network(UANET) is faced with errors in load estimation results and the low channel resource utilization,for the estimation time of channel loads is not uniform.To address the problem,this paper proposes a Multi-priority Single threshold Access Control(MSAC) protocol.A correction mechanism for the estimation time of channel loads and a single threshold-based mechanism for channel access control are designed for the protocol to realize more accurate channel load estimation and packet-level load control.So the system capacity of channels can match the actual channel loads to maximize the utilization of channel resources.Simulation results show that MSAC protocol can improve the data transmission success rate and the MAC layer throughput under heavy channel loads while ensuring higher channel resource utilization rate.

Key words: UAV Ad-Hoc Network(UANET), multiple access protocol, priority threshold, channel resource utilization rate, data transmission success rate

中图分类号:

TP393.04

任智, 杨迪, 胡春, 朱克兰. 一种高信道利用率的无人机自组网单阈值接入协议[J]. 计算机工程, 2021, 47(2): 206-211.

REN Zhi, YANG Di, HU Chun, ZHU Kelan. A Single Threshold Access Protocol for UAV Ad-Hoc Network with High Channel Utilization Rate[J]. Computer Engineering, 2021, 47(2): 206-211.

http://www.ecice06.com/CN/Y2021/V47/I2/206

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