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Title: A request-transmission splitting scheme for V2X networks : design and throughput analysis
Authors: Peng, Shenglong
Zhou, Liang
He, Xuan
Du, Junyi
Guan, Yong Liang
Keywords: Engineering::Electrical and electronic engineering
Issue Date: 2019
Source: Peng, S., Zhou, L., He, X., Du, J., & Guan, Y. L. (2019). A request-transmission splitting scheme for V2X networks : design and throughput analysis. IEEE Access, 7, 158317-158325. doi:10.1109/access.2019.2950338
Journal: IEEE Access
Abstract: In the existing slotted ALOHA-based access schemes for vehicle-to-everything (V2X) networks, the duration of a time interval for competitive users contains the whole process of requesting and transmission. To improve the access capacity for V2X networks, unlike these schemes, we propose a request-transmission splitting slotted ALOHA-based scheme, referred to as the RTS-SA, in which a frame is divided into three phases. The first phase is short and utilized by vehicles when competitively transmitting their identities to roadside units (RSUs) for accessing requests in a coded manner. Then, RSUs implement multiuser detection and decoding simultaneously and act as the coordinator to broadcast the allocated time slots for the vehicles to guarantee contention-free transmission in the third phase. Compared to the VeMAC scheme, the RTS-SA can improve vehicles' successful access performance compared to the VeMAC scheme, which is indexed by increasing the throughput. Simulation results verify the effectiveness of our proposed scheme.
ISSN: 2169-3536
DOI: 10.1109/ACCESS.2019.2950338
Rights: © 2019 IEEE. This journal is 100% open access, which means that all content is freely available without charge to users or their institutions. All articles accepted after 12 June 2019 are published under a CC BY 4.0 license, and the author retains copyright. Users are allowed to read, download, copy, distribute, print, search, or link to the full texts of the articles, or use them for any other lawful purpose, as long as proper attribution is given.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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