Underwater optical wireless communication-based IoUT networks: MAC performance analysis and improvement

IF 1.9 4区计算机科学 Q3 COMPUTER SCIENCE, INFORMATION SYSTEMS

Optical Switching and Networking Pub Date : 2020-05-01 DOI:10.1016/j.osn.2020.100570

Chuyen T. Nguyen , Mat T. Nguyen , Vuong V. Mai

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引用次数: 16

Abstract

Underwater Optical Wireless Communication (UOWC) is a high-speed data transmission technology promising to support the concept of the Internet of Underwater Things (IoUT). The performance of UOWC-based IoUT networks, especially medium access control (MAC), could be affected significantly by physical factors in the underwater environment. However, there is a lack of studies on the MAC performance analysis and improvement in the literature. We study in this paper a PHY/MAC cross-layer analysis that theoretically investigates the effect of UOWC PHY transmission errors on the performance of Slotted ALOHA-based MAC. To improve the performance, we propose to enable frame retransmission in the operation of Slotted ALOHA, where the optimal number of retransmissions is studied. As confirmed in the numerical results, frame retransmission could considerably improve the MAC performance. Also, the Monte Carlo simulation verifies the accuracy of our theoretical derivation for the PHY/MAC cross-layer analysis.

查看原文本刊更多论文

基于水下光无线通信的IoUT网络:MAC性能分析与改进

水下光无线通信(UOWC)是一种高速数据传输技术，有望支持水下物联网(IoUT)概念。水下环境中物理因素对基于uowc的IoUT网络性能，尤其是介质访问控制(MAC)的性能影响较大。然而，文献中缺乏对MAC性能分析和改进的研究。本文研究了PHY/MAC跨层分析，从理论上研究了UOWC PHY传输错误对基于Slotted ALOHA的MAC性能的影响。为了提高性能，我们提出在Slotted ALOHA操作中启用帧重传，其中研究了最优重传次数。数值结果表明，帧重传可以显著提高MAC性能。此外，蒙特卡罗仿真验证了我们的理论推导对于PHY/MAC跨层分析的准确性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Optical Switching and Networking COMPUTER SCIENCE, INFORMATION SYSTEMS-OPTICS

CiteScore

5.20

自引率

18.20%

发文量

审稿时长

77 days

期刊介绍： Optical Switching and Networking (OSN) is an archival journal aiming to provide complete coverage of all topics of interest to those involved in the optical and high-speed opto-electronic networking areas. The editorial board is committed to providing detailed, constructive feedback to submitted papers, as well as a fast turn-around time. Optical Switching and Networking considers high-quality, original, and unpublished contributions addressing all aspects of optical and opto-electronic networks. Specific areas of interest include, but are not limited to: • Optical and Opto-Electronic Backbone, Metropolitan and Local Area Networks • Optical Data Center Networks • Elastic optical networks • Green Optical Networks • Software Defined Optical Networks • Novel Multi-layer Architectures and Protocols (Ethernet, Internet, Physical Layer) • Optical Networks for Interet of Things (IOT) • Home Networks, In-Vehicle Networks, and Other Short-Reach Networks • Optical Access Networks • Optical Data Center Interconnection Systems • Optical OFDM and coherent optical network systems • Free Space Optics (FSO) networks • Hybrid Fiber - Wireless Networks • Optical Satellite Networks • Visible Light Communication Networks • Optical Storage Networks • Optical Network Security • Optical Network Resiliance and Reliability • Control Plane Issues and Signaling Protocols • Optical Quality of Service (OQoS) and Impairment Monitoring • Optical Layer Anycast, Broadcast and Multicast • Optical Network Applications, Testbeds and Experimental Networks • Optical Network for Science and High Performance Computing Networks