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通过动态下一个信标间隔和超持续时间方案改善WBAN中的性能指标
Abdulwadood Alawadhi1, Abdullah Almogahed2, Fathey Mohammed3
1Department of Computers and Information Technology, Faculty of Engineering and Computing, University of Science and Technology, Aden, Yemen.
Heliyon
|December 13, 2024
概括
本研究介绍了一个动态下一个信标间隔和超持续时间方案 (DNBISD),以提高无线身体区域网络 (WBAN) 的性能. DNBISD方案优化了同步和数据传输,减少了延迟和能源消耗,以便更好地远程监控患者.
科学领域:
- 无线人体区域网络 (WBANs) 是指无线人体区域网络.
- 网络和通信技术 网络和通信技术
- 生物医学工程 生物医学工程
背景情况:
- 无线身体区域网络 (WBAN) 由于通信技术的进步,在医疗和非医疗领域越来越受欢迎.
- 现有的IEEE 802.15.4 WBAN 标准在同步和数据传输方面面临性能问题,原因是固定的信标间隔 (BI) 和内容访问周期 (CAP).
- 这些限制导致数据包延迟,能源消耗增加和数据丢失,这对于实时远程患者监控尤为重要.
研究的目的:
- 提出和评估一个新的动态下一个信标间隔和超持续时间方案 (DNBISD),以解决IEEE 802.15.4标准在WBAN中的局限性.
- 提高WBAN中的同步和数据传输的效率,特别是在变化的流量负载下.
- 为了提高WBAN的可靠性和降低WBAN的能源消耗,用于诸如远程患者监控等应用.
主要方法:
- 使用模糊逻辑方法开发动态下一个信标间隔和超持续时间方案 (DNBISD).
- 实施了Takagi,Sugeno和Kang (TSK) 模糊推理系统,用于自适应BI和CAP调整.
- 基于模拟的DNBISD方案的评估,使用关键性能指标,如数据包交付率,吞吐量,数据包丢失和能源消耗.
主要成果:
- DNBISD方案显著提高了WBAN中的数据传输效率.
- 与IEEE 802.15.4.4标准相比,在平均数据包交付比率和吞吐量方面取得了明显的改进.
- 观察到协调员的平均数据包丢失率和整体能源消耗的减少.
结论:
- 拟议的DNBISD方案有效地克服了IEEE 802.15.4 WBAN标准中固定BI和CAP的缺点.
- 基于模糊的自适应方法可以根据流量需求动态优化WBAN性能.
- DNBISD能够在多个节点之间更有效地传输数据,使其适合于诸如远程患者监控等关键应用.
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