Evaluation of the IEEE 802.16 Mesh MAC for Multihop Inter-ship Communications

Mingtuo Zhou, C. Ang, P. Kong, J. Shankar, Lili Zhang, R. Miura, M. Fujise
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引用次数: 7

Abstract

An IEEE 802.16 MESH network is envisaged for multihop inter-ship communications and its MAC performance is investigated by simulations. Results show that, with respect to throughput, delivery ratio, and average delay, when sea wave direction is perpendicular to the nodes connection direction, good MESH MAC performance can be achieved in sea states 1.0, 3.0, 5.0, and 7.0, for both 1-hop and 2-hop CBR connections with hop distance more than 10 km. With relative parallel wave direction, in sea states 1.0 and 3.0, the MAC performance is close to that of the perpendicular case while it drops in sea state 5.0 and 7.0; however the delivery ratio can still be more than 60 percent. With increase in 1-hop CBR data flows, the network throughput increases linearly in sea state 1.0; but the increase in throughput becomes slower in higher sea states.
基于IEEE 802.16 Mesh MAC的多跳船间通信评价
提出了一种用于多跳船间通信的IEEE 802.16 MESH网络,并对其MAC性能进行了仿真研究。结果表明,当海浪方向垂直于节点连接方向时,对于跳距大于10 km的1跳和2跳CBR连接,MESH MAC在1.0、3.0、5.0和7.0海况下均能获得较好的吞吐量、投递率和平均时延。波浪方向相对平行时,在1.0和3.0海况下,MAC性能与垂直海况接近,而在5.0和7.0海况下MAC性能下降;然而,产出率仍然可以超过60%。随着1跳CBR数据流的增加,网络吞吐量在海况1.0中呈线性增长;但在较高的海况下,吞吐量的增长速度会变慢。
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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