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首页> 外文会议>The IEEE 17th International Conference on Advanced Communication Technology : "Named Data Networking - A Future Internet Architecture" >Road side unit assisted stochastic multi-hop broadcast scheme for instant emergency message propagation
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Road side unit assisted stochastic multi-hop broadcast scheme for instant emergency message propagation

机译：用于即时紧急消息传播的路边单元辅助随机多跳广播方案

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摘要

VANET (Vehicular ad hoc Network) is a special kind of ad hoc wireless network where every single node is a vehicle moving in a relatively high velocity, which leads to exclusive challenges like rapid changing topologies, safety and privacy concerns. In this specific network, broadcasts tend to be carrying important messages such as car accident notification, disaster alert or extreme traffic condition. Thus the propagation of broadcasted emergency messages could be critical to save human lives and property. Many researchers have proposed routing or broadcast protocols to solve this problem in VANET. With consideration of the other common issues. The objective of this paper is to propose a broadcast scheme in VANET that is not likely to cause broadcast storm problem with a reasonable delay and high delivery rate. Since VANET is an attack-prone network and any kind of malicious behavior in VANET might cause serious loss or even death in reality, we should also refrain from using beacons to exchange privacy-sensitive information in V2V (Vehicle to Vehicle). In this paper, a multi-hop broadcast scheme that makes use of RSU and V2I (Vehicle to Infrastructure) communication is proposed. The simulation result shows that the proposed scheme outperforms static stochastic broadcast scheme in terms of delivery rate. Comparing to flooding, we offer a better delay and less network usage.
机译：VANET（车载自组织网络）是一种特殊的自组织无线网络，其中的每个节点都是以相对较高的速度行驶的车辆，这带来了诸如快速变化的拓扑结构，安全性和隐私问题的挑战。在这个特定的网络中，广播往往会携带重要的消息，例如车祸通知，灾难警报或极端交通状况。因此，广播紧急消息的传播对于挽救生命和财产至关重要。许多研究人员提出了路由或广播协议来解决VANET中的这一问题。考虑其他常见问题。本文的目的是提出一种在VANET中的广播方案，该方案不太可能以合理的延迟和较高的传输速率引起广播风暴问题。由于VANET是易受攻击的网络，并且VANET中的任何恶意行为都可能在现实中造成严重的损失甚至死亡，因此，我们还应避免使用信标在V2V（车对车）中交换对隐私敏感的信息。本文提出了一种利用RSU和V2I（车辆到基础设施）通信的多跳广播方案。仿真结果表明，该方案在传输速率方面优于静态随机广播方案。与泛洪相比，我们提供了更好的延迟和更少的网络使用率。

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