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Estimating the performance of intelligent transport systems wireless services for multimodal logistics applications

机译：评估用于多式联运物流应用的智能运输系统无线服务的性能

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摘要

Various wireless technologies including radio frequency identification (RFID), bluetooth, cellular networks and dedicated short range communications (DSRC) might have an impact on logistics and transport operations. Among them, DSRC stands out as a broadband communications technology which has been designed to provide a general purpose Radio-Frequency (RF) link between vehicles and network infrastructure. As such, DSRC is capable of implementing the physical layer of an Internet Protocol (IP) bearer based network designed to facilitate the monitoring and coordination of portside vehicular traffic. This unprecedented application of wireless networking has the potential to greatly enhance the management of the flow of goods and resources, particularly within large, international ports whose activities comprise multimodal operations such as the use of road haulage to move cargo transported by sea. Given the need for reliable services in non-safety business applications, in this work an Intelligent Transport Systems (ITS) approach is used to address two issues. First, in wireless networks reliable data transfer transport layer services are affected where there is an apparent increase in mobility when access point coverage areas are reduced to counter the effects of path loss in the physical layer. Second, a service provisioning protocol intended for vehicle to infrastructure (V2I) data transfer is proposed to illustrate the importance of cumulative costs in wireless networks used for logistics applications. The analysis covers the average response time for requesting on-demand services within the portside network considered. The results of the analysis confirm the suitability of the approach used to provide a logistics network capable of meeting the requirements demanded in multimodal logistics.
机译：包括射频识别（RFID），蓝牙，蜂窝网络和专用短程通信（DSRC）在内的各种无线技术可能会对物流和运输业务产生影响。其中，DSRC是一种宽带通信技术，该技术旨在在车辆和网络基础设施之间提供通用的射频（RF）链接。这样，DSRC能够实现基于Internet协议（IP）承载的网络的物理层，该网络旨在促进监视和协调舷侧车辆流量。无线网络的这种空前应用具有极大地增强货物和资源流动管理的潜力，特别是在大型国际港口中，其活动包括多式联运，例如使用公路运输来运输海上货物。鉴于在非安全业务应用程序中需要可靠的服务，在这项工作中，智能运输系统（ITS）方法用于解决两个问题。首先，在无线网络中，当减少接入点覆盖区域以抵消物理层中路径损耗的影响时，在移动性明显增加的地方，可靠的数据传输传输层服务会受到影响。其次，提出了旨在用于车辆到基础设施（V2I）数据传输的服务供应协议，以说明用于物流应用的无线网络中累积成本的重要性。该分析涵盖了所考虑的端口网络内请求按需服务的平均响应时间。分析结果证实了用于提供能够满足多式联运需求的物流网络的方法的适用性。

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