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首页> 外文期刊>IEEE Transactions on Vehicular Technology >A Multihop Peer-Communication Protocol With Fairness Guarantee for IEEE 802.16-Based Vehicular Networks
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A Multihop Peer-Communication Protocol With Fairness Guarantee for IEEE 802.16-Based Vehicular Networks

机译：基于IEEE 802.16的车载网络具有公平性的多跳对等通信协议

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摘要

Wireless-communication technology can be used to improve road safety and to provide Internet access inside vehicles. This paper proposes a cross-layer protocol called coordinated external peer communication (CEPEC) for Internet-access services and peer communications for vehicular networks. We assume that IEEE 802.16 base stations (BS) are installed along highways and that the same air interface is equipped in vehicles. Certain vehicles locating outside of the limited coverage of their nearest BSs can still get access to the Internet via a multihop route to their BSs. For Internet-access services, the objective of CEPEC is to increase the end-to-end throughput while providing a fairness guarantee in bandwidth usage among road segments. To achieve this goal, the road is logically partitioned into segments of equal length. A relaying head is selected in each segment that performs both local-packet collecting and aggregated packets relaying. The simulation results have shown that the proposed CEPEC protocol provides higher throughput with guaranteed fairness in multihop data delivery in vehicular networks when compared with the purely IEEE 802.16-based protocol.
机译：无线通信技术可用于改善道路安全并在车辆内部提供Internet访问。本文提出了一种跨层协议，称为Internet接入服务的协作外部对等通信（CEPEC）和车载网络的对等通信。我们假设IEEE 802.16基站（BS）沿高速公路安装，并且车辆中配备了相同的空中接口。某些位于其最近BS有限覆盖范围之外的车辆仍可以通过多跳路由到达其BS来访问Internet。对于Internet访问服务，CEPEC的目标是增加端到端吞吐量，同时在路段之间的带宽使用中提供公平的保证。为了实现此目标，道路在逻辑上分为等长的路段。在每个分段中选择一个中继头，以执行本地数据包收集和聚合数据包中继。仿真结果表明，与纯粹基于IEEE 802.16的协议相比，所提出的CEPEC协议在车载网络中的多跳数据传递中提供了更高的吞吐量和保证的公平性。

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