Vasileios Cheimaras, Spyridon Papagiakoumos, Nikolaos Peladarinos, Athanasios Trigkas, P. Papageorgas, Dimitrios D. Piromalis, R. A. Munteanu
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引用次数: 0
摘要
通信技术的飞速发展凸显了对稳健且适应性强的应急通信系统(ECS)的迫切需求,这在危机和自然灾害期间尤为重要。尽管对基于网络的应急通信系统进行了广泛研究,但将软件定义广域网(SD-WAN)等开源技术与专用长期演进(LTE)基站集成在一起,还是一个相对尚未开发的领域。本研究试图通过引入一个实验性 ECS 平台来填补这一空白,该平台利用混合网络,结合 VoIP 网络来增强目标区域的开源和内部通信。我们的假设是,结合 SD-WAN 和专用 LTE 的混合网络架构可大幅提高 ECS 的可靠性和效率。我们的研究结果得到了开源 OMNeT++ 模拟器的支持,阐明了网络通信可靠性的提高。此外,由自主无线 4G/LTE 基站和 Asterisk VoIP 服务器组成的拟议平台还能提高服务质量(QoS)和体验质量(QoE),并将数据丢失降到最低。这项研究不仅具有直接的实际应用价值,而且对开发具有成本效益的开源通信网络具有重要意义,可优化用于紧急情况、关键基础设施和偏远地区。
Low-Cost, Open-Source, Experimental Setup Communication Platform for Emergencies, Based on SD-WAN Technology
The rapid advancement of communication technologies underscores the urgent need for robust and adaptable emergency communication systems (ECSs), particularly crucial during crises and natural disasters. Although network-based ECSs have been extensively studied, integrating open-source technologies, such as software-defined wide area networks (SD-WAN) with private long-term evolution (LTE) base stations, is a relatively unexplored domain. This study endeavors to fill this gap by introducing an experimental ECS platform that utilizes a hybrid network, incorporating a VoIP network to enhance open-source and on-premises communications in targeted areas. Our hypothesis posits that a hybrid network architecture, combining SD-WAN and private LTE, can substantially improve the reliability and efficiency of ECSs. Our findings, supported by the open-source OMNeT++ simulator, illuminate the enhanced communication reliability of the network. Moreover, the proposed platform, characterized by autonomous wireless 4G/LTE base stations and an Asterisk VoIP server, demonstrates improved quality of service (QoS) and quality of experience (QoE), with minimal data loss. This research not only has immediate practical applications but also bears significant implications for the development of cost-effective, open-source communication networks, optimized for emergencies, critical infrastructure, and remote areas.