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Performance Evaluation of Proximity Services and Wi-Fi for Public Safety Mission Critical Voice Application

机译：公共安全任务关键语音应用的邻近服务和Wi-Fi的绩效评估

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摘要

Proximity Services (ProSe) and Wi-Fi are two promising technologies that may provide support for Mission Critical Voice (MCV) applications in remote and rural areas by enabling Device-to-Device (D2D) communication. In this paper, several performance metrics of ProSe and Wi-Fi are evaluated and compared side-by-side under various configurations. The ns-3 simulation results show that ProSe outperforms Wi-Fi in terms of coverage range and access time with a medium traffic load, while Wi-Fi has a shorter access time under a light traffic load. In addition, with various user densities, ProSe offers better coverage range and access time a majority of the time. The evaluation in this paper provides insights to first responders on what to expect with either technology and how to improve the performance by adjusting different system parameters.
机译：邻近服务（ProSe）和Wi-Fi是两个有希望的技术，可以通过使设备到设备（D2D）通信来提供对远程和农村地区的关键任务语音（MCV）应用的支持。在本文中，在各种配置下并排评估散文和Wi-Fi的几个性能度量和比较。 NS-3仿真结果表明，在覆盖范围和使用媒体交通负荷的访问时间方面，PROSE优于Wi-Fi，而Wi-Fi在灯路流量负载下具有较短的访问时间。此外，通过各种用户密度，ProSe提供更好的覆盖范围和访问时间的大多数时间。本文的评估为首先用技术和如何通过调整不同的系统参数来提高性能的响应者提供了对响应者的洞察。

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