Abstract
With the explosive increase of mobile data and users, data tsunami seriously challenges the mobile operators worldwide. The vehicular caching, which caches mobile data on widely distributed vehicles, is an efficient method to solve this problem. In this paper, we explore the impact of vehicular caching on cellular networks. Specifically, targeting on network performance in energy efficiency, we first formulate a fractional optimization model by considering the network throughput and energy consumption. We then apply nonlinear programming and Lyapunov technology to relax the nonlinear and nonconvex model. Based on analysis, we propose a novel online task decision algorithm. Based on this algorithm, vehicles determine to act either as servers or task schedulers for the requests of users. The burden of cellular MBS (Macro Base Station) then can be alleviated. Extensive simulations are finally conducted and results verify the effectiveness of our proposal.
| Original language | English |
|---|---|
| Title of host publication | Ad Hoc Networks - 10th EAI International Conference, ADHOCNETS 2018, Proceedings |
| Editors | Shiwen Mao, Wei Xiang, Jun Zheng, Feng Yan, Pascal Lorenz |
| Publisher | Springer Verlag |
| Pages | 15-24 |
| Number of pages | 10 |
| ISBN (Print) | 9783030058876 |
| DOIs | |
| State | Published - 2019 |
| Externally published | Yes |
| Event | 10th International Conference on Ad Hoc Networks, ADHOCNETS 2018 - Cairns, Australia Duration: 20 Sep 2018 → 23 Sep 2018 |
Publication series
| Name | Lecture Notes of the Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering, LNICST |
|---|---|
| Volume | 258 |
| ISSN (Print) | 1867-8211 |
Conference
| Conference | 10th International Conference on Ad Hoc Networks, ADHOCNETS 2018 |
|---|---|
| Country/Territory | Australia |
| City | Cairns |
| Period | 20/09/18 → 23/09/18 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- Caching
- Lyapunov optimization
- Nonlinear programming
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