Throughput evaluation for cooperative drive-thru internet using microscopic mobility model
Zhou, Haibo1; Liu, Bo1; Luan, Tom H.4; Hou, Fen2; Gui, Lin1; Li, Ying3; Shen, Xuemin4
Conference Name2013 IEEE Global Communications Conference, GLOBECOM 2013
Source PublicationGLOBECOM - IEEE Global Telecommunications Conference
Conference Date129, 2013 - 1213, 2013
Conference PlaceAtlanta, GA, United states
Author of SourceInstitute of Electrical and Electronics Engineers Inc.
AbstractThe recent advances in wireless communication techniques have made possible for vehicles to download from the roadside communications infrastructure, namely drive-thru Internet. However, due to the fast-motions, harsh and intermittent wireless channels, the download volume of individual vehicles per drive-thru is quite limited as observed in real-world tests. This severely restricts the service quality of upper-layer applications, such as file download and video streaming. To address this issue, we take a historical approach by evaluating the integrated download throughput of a cooperative vehicle group in the highway environment. In specific, we first introduce a practical microscopic vehicular mobility model, which takes the randomness of speed update and safety distance requirement into account. Then, we analyze and formulate the number of contending vehicles within the coverage range of access point (AP) in the single-lane highways scenario, which can also be easily extended into the multi-lane highways scenario. Furthermore, we derive the data download volume by a vehicle per drive-thru, and analyze the relationship between the mobility speed and the data download volume. Finally, we derive the number of cooperative vehicles required for completing a download task in our investigated highways drive-thru Internet. The analytical model and evaluation results provide general guidance for cooperative content distribution and protocol design in drive-thru Internet. © 2013 IEEE.
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Document TypeConference paper
CollectionUniversity of Macau
Affiliation1.Department of Electronic Engineering, Shanghai Jiao Tong University, China;
2.University of Macau, China;
3.China Electronic System Engineering Company, Beijing, China;
4.University of Waterloo, Waterloo, ON, N2L 3G1, Canada
Recommended Citation
GB/T 7714
Zhou, Haibo,Liu, Bo,Luan, Tom H.,et al. Throughput evaluation for cooperative drive-thru internet using microscopic mobility model[C]//Institute of Electrical and Electronics Engineers Inc.,2013:371-376.
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