An IEEE 802.11p empirical performance model for Cooperative Systems applications

S. Demmel, Grégoire S. Larue, D. Gruyer, A. Rakotonirainy
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引用次数: 7

Abstract

IEEE 802.11p is the new standard for Inter-Vehicular Communications (IVC) using the 5.9 GHz frequency band, as part of the DSRC framework; it will enable applications based on Cooperative Systems. Simulation is widely used to estimate or verify the potential benefits of such cooperative applications, notably in terms of safety for the drivers. We have developed a performance model for 802.11p that can be used by simulations of cooperative applications (e.g. collision avoidance) without requiring intricate models of the whole IVC stack. Instead, it provide a a straightforward yet realistic modelisation of IVC performance. Our model uses data from extensive field trials to infer the correlation between speed, distance and performance metrics such as maximum range, latency and frame loss. Then, we improve this model to limit the number of profiles that have to be generated when there are more than a few couples of emitter-receptor in a given location. Our model generates realistic performance for rural or suburban environments among small groups of IVC-equipped vehicles and road side units.
协同系统应用的IEEE 802.11p经验性能模型
IEEE 802.11p是使用5.9 GHz频段的车际通信(IVC)新标准,是DSRC框架的一部分;它将使基于协作系统的应用程序成为可能。仿真被广泛用于估计或验证这种合作应用的潜在好处,特别是在驾驶员的安全方面。我们已经为802.11p开发了一个性能模型,可以用于模拟协作应用程序(例如,避免碰撞),而不需要整个IVC堆栈的复杂模型。相反,它提供了一个简单而现实的IVC性能建模。我们的模型使用来自广泛现场试验的数据来推断速度、距离和性能指标(如最大距离、延迟和帧丢失)之间的相关性。然后,我们改进了这个模型,以限制在给定位置有多个发射器-受体对时必须生成的配置文件的数量。我们的模型为农村或郊区环境中配备ivc的车辆和路边单元的小团体产生了逼真的性能。
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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