基于5G NR的高性能V2X通信改进物理层

U. K. Dey, R. Akl, Robin Chataut, Mohammadreza Robaei
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引用次数: 6

摘要

人们越来越依赖汽车社区来实现更安全、更舒适的日常汽车旅行。因此,人们对汽车技术的期望越来越高。因此,汽车技术有望为旅行者提供信息娱乐服务。因此,对娱乐服务的需求需要额外的容量以及安全服务。信道容量的重要组成部分之一是吞吐量。支持专用短距离通信(DSRC)的现有IEEE 802.11p标准在未来几天可能无法满足所需的容量。为了实现所需的吞吐量,DSRC协议需要不断发展。然而,多输入多输出(MIMO)和5G NR具有提高吞吐量的潜力,同时保持车辆环境无线接入(WAVE)标准中定义的现有物理层规范。我们提出了一种改进的DSRC协议的物理层,以集成MIMO和5G NR以提高现有的数据速率。我们的实验结果表明,与支持MIMO的现有框架相比,MIMO和5G NR的组合可以将吞吐量提高6.5倍,同时保持误码率(BER)相同或在某些情况下低于MIMO和DSRC的组合。
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Modified PHY Layer for High Performance V2X Communication using 5G NR
People are increasingly relying on vehicular communities for a more safe and comfortable day-to-day car journey. So, expectation from vehicular technology is increasing more from time to time. As a result, vehicular technology is expected to support infotainment services to the traveler. Hence, the requirements for entertainment services need extra capacity along with safety services. One of the important pieces in the channel capacity is throughput. The existing IEEE 802.11p standard with the support of Dedicated Short Range Communication (DSRC) might not fulfill the required capacity in the coming days. To achieve that required throughput DSRC protocol needs to evolve. However, Multiple Input Multiple Output (MIMO) and 5G NR has the potential to improve throughput while maintaining the existing PHY layer specifications defined in the Wireless Access for Vehicular Environments (WAVE) standard. We propose a modified PHY layer of the DSRC protocol to integrate MIMO and 5G NR to enhance the existing data rate. Our experimental results show that the combination of MIMO and 5G NR can boost the throughput to 6.5 times better compared to MIMO enabled existing framework while keeping the BER (Bit Error Rate) as the same or in some cases below the combination of MIMO and DSRC.
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