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A Collaborative Information Maintenance Scheme with Reliable Broadcast for Urban Zones

机译：具有可靠广播的市区协作信息维护方案

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摘要

Vehicular ad hoc networks (VANETs) are expected to be used in many aspects ranging from road safety applications to business or service information dissemination. Sometimes to maintain the information in a particular zone for a period of time is necessary, but it is generally difficult to implement without any infrastructure support, since vehicular nodes move continuously at a high speed. This paper proposes a collaborative information maintenance scheme with reliable broadcast for maintaining information at urban zones, which guarantees high successful maintain probability and minimizes the packet delivery overhead with little broadcast delay. An analytical model is developed to analyze the relationship between the successful maintain probability and the average vehicle density. Simulation results show that, as long as the average vehicle density is no less than one vehicle per hundred meters, the information will be successfully maintained at the zone. Thus, we believe it is easy to maintain some information in urban zones without any infrastructure support.
机译：车载自组织网络（VANET）有望在从道路安全应用到业务或服务信息发布的许多方面使用。有时有必要在特定区域中维持一段时间的信息，但是由于车辆节点高速连续移动，因此在没有任何基础设施支持的情况下通常很难实施。本文提出了一种具有可靠广播的协作式信息维护方案，用于在城市地区维护信息，该方案可确保成功的维护概率很高，并在广播延迟较小的情况下最大程度地减少了数据包的传递开销。建立了一个分析模型来分析成功维护概率与平均车辆密度之间的关系。仿真结果表明，只要平均车辆密度不小于每百米一辆车辆，该信息就可以成功地保存在该区域。因此，我们认为在没有任何基础设施支持的情况下，很容易在市区维护一些信息。

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