A Reliable Low-Latency Multipath Routing Algorithm for Urban Rail Transit Ad Hoc Networks

With the advancement of urban rail transit towards intelligence, the demand for urban rail transit communication has increased significantly, but the traditional urban rail transit vehicle–ground communication system has been unable to meet the future vehicle–ground communication requirements. To im...

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Main Authors: Lei Suo, Liu Liu, Zhaoyang Su, Shiyuan Cai, Zijie Han, Haitao Han, Feng Bao
Format: Article
Language:English
Published: MDPI AG 2023-06-01
Series:Sensors
Subjects:
Online Access:https://www.mdpi.com/1424-8220/23/12/5576
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author Lei Suo
Liu Liu
Zhaoyang Su
Shiyuan Cai
Zijie Han
Haitao Han
Feng Bao
author_facet Lei Suo
Liu Liu
Zhaoyang Su
Shiyuan Cai
Zijie Han
Haitao Han
Feng Bao
author_sort Lei Suo
collection DOAJ
description With the advancement of urban rail transit towards intelligence, the demand for urban rail transit communication has increased significantly, but the traditional urban rail transit vehicle–ground communication system has been unable to meet the future vehicle–ground communication requirements. To improve the performance of vehicle–ground communication, the paper proposes a reliable low-latency multipath routing (RLLMR) algorithm for urban rail transit ad hoc networks. First, RLLMR combines the characteristics of urban rail transit ad hoc networks and uses node location information to configure a proactive multipath to reduce route discovery delay. Second, the number of transmission paths is adaptively adjusted according to the quality of service (QoS) requirements for vehicle–ground communication, and then the optimal path is selected based on the link cost function to improve transmission quality. Third, in order to enhance the reliability of communication, a routing maintenance scheme has been added, and the static node-based local repair scheme is used in routing maintenance to reduce the maintenance cost and time. The simulation results show that compared with traditional AODV and AOMDV protocols, the proposed RLLMR algorithm has good performance in improving latency and is slightly inferior to the AOMDV protocol in improving reliability. However, overall, the throughput of the RLLMR algorithm is better than that of the AOMDV.
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spelling doaj.art-7ddd29c516ce4cdf883d6b64d8149d392023-11-18T12:33:05ZengMDPI AGSensors1424-82202023-06-012312557610.3390/s23125576A Reliable Low-Latency Multipath Routing Algorithm for Urban Rail Transit Ad Hoc NetworksLei Suo0Liu Liu1Zhaoyang Su2Shiyuan Cai3Zijie Han4Haitao Han5Feng Bao6School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing 100044, ChinaSchool of Electronic and Information Engineering, Beijing Jiaotong University, Beijing 100044, ChinaSchool of Electronic and Information Engineering, Beijing Jiaotong University, Beijing 100044, ChinaSchool of Electronic and Information Engineering, Beijing Jiaotong University, Beijing 100044, ChinaSchool of Electronic and Information Engineering, Beijing Jiaotong University, Beijing 100044, ChinaTraffic Control Technology Co., Ltd., Beijing 100071, ChinaTraffic Control Technology Co., Ltd., Beijing 100071, ChinaWith the advancement of urban rail transit towards intelligence, the demand for urban rail transit communication has increased significantly, but the traditional urban rail transit vehicle–ground communication system has been unable to meet the future vehicle–ground communication requirements. To improve the performance of vehicle–ground communication, the paper proposes a reliable low-latency multipath routing (RLLMR) algorithm for urban rail transit ad hoc networks. First, RLLMR combines the characteristics of urban rail transit ad hoc networks and uses node location information to configure a proactive multipath to reduce route discovery delay. Second, the number of transmission paths is adaptively adjusted according to the quality of service (QoS) requirements for vehicle–ground communication, and then the optimal path is selected based on the link cost function to improve transmission quality. Third, in order to enhance the reliability of communication, a routing maintenance scheme has been added, and the static node-based local repair scheme is used in routing maintenance to reduce the maintenance cost and time. The simulation results show that compared with traditional AODV and AOMDV protocols, the proposed RLLMR algorithm has good performance in improving latency and is slightly inferior to the AOMDV protocol in improving reliability. However, overall, the throughput of the RLLMR algorithm is better than that of the AOMDV.https://www.mdpi.com/1424-8220/23/12/5576ad hocurban rail transitmultipath routingrouting maintenance
spellingShingle Lei Suo
Liu Liu
Zhaoyang Su
Shiyuan Cai
Zijie Han
Haitao Han
Feng Bao
A Reliable Low-Latency Multipath Routing Algorithm for Urban Rail Transit Ad Hoc Networks
Sensors
ad hoc
urban rail transit
multipath routing
routing maintenance
title A Reliable Low-Latency Multipath Routing Algorithm for Urban Rail Transit Ad Hoc Networks
title_full A Reliable Low-Latency Multipath Routing Algorithm for Urban Rail Transit Ad Hoc Networks
title_fullStr A Reliable Low-Latency Multipath Routing Algorithm for Urban Rail Transit Ad Hoc Networks
title_full_unstemmed A Reliable Low-Latency Multipath Routing Algorithm for Urban Rail Transit Ad Hoc Networks
title_short A Reliable Low-Latency Multipath Routing Algorithm for Urban Rail Transit Ad Hoc Networks
title_sort reliable low latency multipath routing algorithm for urban rail transit ad hoc networks
topic ad hoc
urban rail transit
multipath routing
routing maintenance
url https://www.mdpi.com/1424-8220/23/12/5576
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