Broadcast performance analysis and improvements of the LTE-V2V autonomous mode at road intersection
Ali, G. G. Md. Nawaz
Guan, Yong Liang
Chong, Peter Han Joo
Institute of Electrical and Electronics Engineers (IEEE)
An autonomous V2V communication mode (also known as side-link mode 4), which facilitates V2V communication in out of eNB coverage areas, has recently been introduced into the Long term evolution (LTE) standard. Recent research has studied the performance of this LTE-V2V autonomous mode for a highway use case. However, performance analysis for a highway use case cannot be easily applied to an intersection use case as it may contain non-line-of-sight (NLOS) communication links. In this paper, we analyze and evaluate the safety message broadcasting performance of LTE-V2V autonomous mode in an urban intersection scenario. Considering practical path loss models, we present the impact of NLOS communication link on the overall message dissemination performance. Through the analytical and simulation results, we show that the overall message dissemination performance degrades drastically with increasing vehicle density and increasing distance of the transmitting vehicle from the intersection. To improve the performance, we propose a vehicle-assisted relaying scheme in which the relaying vehicle is selected in an autonomous manner. We also present two resource allocation strategies for the relaying vehicle. For low to medium vehicle density along the street, we observe significant improvement in message dissemination through relaying compared to the scheme without relaying.
LTE-V2V , Side-link mode 4 , Autonomous mode , V2V communication , VANET
Noor-A-Rahim, M., Ali, G. G. M. N., Guan, Y. L., Ayalew, B., Chong, P. H. J. and Pesch, D. (2019) 'Broadcast performance analysis and improvements of the LTE-V2V autonomous mode at road intersection', IEEE Transactions on Vehicular Technology, 68(10), pp. 9359-9369. doi: 10.1109/TVT.2019.2936799
© 2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.