认知无线网络中基于仿真的DDH-MAC协议评估

Muhammad Salman, Muhammad Asif Aziz, M. A. Shah
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引用次数: 2

摘要

认知无线电(CR)作为一种解决频谱短缺的智能技术应运而生。本研究旨在模拟我们已经发表的研究论文“DDH-MAC:一种用于认知无线网络的新型动态去中心化混合MAC协议”。我们使用网络仿真工具OPNET 14.5 modeler评估了该协议的效率。将仿真结果与CREAM-MAC协议和F2-MAC协议进行了比较,并对对比分析进行了评价和讨论。我们证明了DDH-MAC协议在时间和能量上提供了效率,这是CR自组织网络的核心目标特征。此外,我们还发现,在物理特性上提高DSSS数据速率可以在很大程度上降低DDH-MAC的延迟。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Simulation based evaluation of DDH-MAC protocol for Cognitive Radio Networks
Cognitive Radio (CR) has emerged as an intelligent technology to deal with spectrum scarcity. This research aims to simulate our already published research paper “DDH-MAC: A novel Dynamic De-Centralized Hybrid MAC protocol for Cognitive Radio Networks”. We have assessed the efficiency of the protocol by using a network simulation tool, OPNET 14.5 modeler. The simulation results were then compared with CREAM-MAC and F2-MAC protocols, and a comparative analysis have been evaluated and discussed. We show that the DDH-MAC protocol provides efficiency in time and energy which are the core objective features of CR Ad-hoc networks. Moreover, we also found that the delay of DDH-MAC could be reduced to much extent by increasing the DSSS data rate in physical characteristics.
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