无线能量收集驱动的铁路物联网中断性能分析

马佳星; 熊轲; 张煜; 钟章队; 倪强

doi:10.11959/j.issn.2096-3750.2020.00182

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无线能量收集驱动的铁路物联网中断性能分析

专题：智慧交通物联网 | 更新时间：2024-06-05

- 无线能量收集驱动的铁路物联网中断性能分析
- Outage performance analysis of wireless powered railway Internet of things
- 物联网学报 2020年4卷第3期页码：52-59
- 作者机构：
  
  1. 北京交通大学计算机与信息技术学院，北京 100044
  2. 轨道交通控制与安全国家重点实验室，北京 100044
  3. 国网能源研究院有限公司，北京 102209
  4. 兰卡斯特大学计算机与通信学院，英国兰卡斯特 LA1 4WA
- 作者简介：
  
  [ "马佳星（1996- ），女，河北沙河人，北京交通大学计算机与信息技术学院硕士生，主要研究方向为无线传感器网络、能量收集等" ]
  [ "熊轲（1981- ），男，陕西汉中人，博士，北京交通大学计算机与信息技术学院教授、计算机工程系主任，主要研究方向为无线协作网络、无线移动网络、网络信息理论等" ]
  [ "张煜（1983- ），男，广西桂林人，博士，国网能源研究院有限公司高级工程师，主要研究方向为泛在电力物联网、无线协作网络、电能替代等" ]
  [ "钟章队（1962- ），男，湖南衡阳人，轨道交通控制与安全国家重点实验室首席教授，国家铁路GSM-R首席专家，教育部创新团队带头人，主要研究方向为宽带移动通信系统与专用移动通信、宽带移动通信系统与专用移动通信等" ]
  [ "倪强（1971- ），男，湖北武汉人，英国兰卡斯特大学计算机与通信学院教授、兰卡斯特大学通信研究组组长、IET Fellow和高等教育院院士，IEEE ComSoc Tech大数据计算智能 SIG 副主席，主要研究方向为无线通信网络、物联网、数据分析和机器学习" ]
- 基金信息：
  
  中央高校基本科研业务费资助项目;The Fundamental Research Funds for the Central Universities(2020JBZD010);国网能源研究院有限公司科技项目The Self-developed Project of State Grid Energy Research Institute Co.,Ltd.(SGNY202009014)
- DOI：10.11959/j.issn.2096-3750.2020.00182
  中图分类号： TP212.9
- 纸质出版日期：2020-09-30，
  
  网络出版日期：2020-09，
- 稿件说明：
移动端阅览
马佳星, 熊轲, 张煜, 等. 无线能量收集驱动的铁路物联网中断性能分析[J]. 物联网学报, 2020,4(3):52-59.

JIAXING MA, KE XIONG, YU ZHANG, et al. Outage performance analysis of wireless powered railway Internet of things. [J]. Chinese journal on internet of things, 2020, 4(3): 52-59.
马佳星, 熊轲, 张煜, 等. 无线能量收集驱动的铁路物联网中断性能分析[J]. 物联网学报, 2020,4(3):52-59. DOI： 10.11959/j.issn.2096-3750.2020.00182.

JIAXING MA, KE XIONG, YU ZHANG, et al. Outage performance analysis of wireless powered railway Internet of things. [J]. Chinese journal on internet of things, 2020, 4(3): 52-59. DOI： 10.11959/j.issn.2096-3750.2020.00182.

摘要

基于铁路物联网场景分析了无线射频能量站（PB

power beacon）辅助的中继网络在莱斯衰落信道下采用半双工解码转发中继模式的系统中断性能。针对铁路场景中的设备供能问题，如电池更换困难、管理开销大、布线困难等，将无线能量收集应用于铁路场景，为能量受限的无线设备提供充足且稳定的能量，从而解决传统铁路中的设备供能问题。考虑网络中的源节点和中继节点均为能量受限节点，传输信息的能量都来自在列车上部署的PB 发射的无线射频信号。源节点和中继节点先进行能量收集，利用收集的能量，源节点向中继节点发送信息，然后中继节点将接收的信息转发给目的节点。分析推导出了该网络端到端中断概率及吞吐量的闭合表达式。通过蒙特卡洛仿真验证了理论分析的正确性，并研究了PB发射功率与噪声的比值、莱斯因子K、时间分割因子、传输速率以及相对位置等因素对端到端中断概率和吞吐量的影响。当列车处于源节点和中继节点的中点位置时，系统可获得较优的中断和吞吐量性能。

Abstract

Based on the scenario of railway Internet of things

the system outage performance of the relay network was analyzed

which was assisted with the power beacon (PB)

using the half-duplex decode-and-forward relay mode over the Rician fading channel.In view of the equipment supply problems in railway scenes

such as difficult battery replacing

high management overhead

difficult wiring

etc.

the wireless energy collection was applied to railway scenes

providing sufficient and stable energy for the energy-constrained wireless equipment

thus solving the equipment supply problems in traditional railways.Considering that the source node and the relay node in the network were energy limited nodes

and the energy of the information transmission came from the radio frequency signal transmitted from the PB deployed on the train.The source node and the relay node collected energy from the PB

and the source node sent information to the relay node by using the collected energy

and then the relay node forwarded the information received to the destination node.The closed-form expressions of the network end-to-end outage probability and the throughput were derived.The analytical results were demonstrated by Monte Carlo simulation.And based on this analysis

the impact of the ratio of transmitting power of the PB to noise

the Rician K-factor

the time switching factor

transmission rate and relative position on the end-to-end outage probability and throughput were studied.When the train is in the middle of the source node and the relay node

the system can obtain better outage and throughput performance.

关键词

能量收集能量站莱斯衰落信道半双工中断概率吞吐量铁路物联网

Keywords

energy harvestingpower beaconRician fading channelhalf-duplexoutage probabilitythroughputrailway Internet of things

references

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