Abstract
In this paper, the cooperative caching problem in fog radio access networks (F-RANs) is investigated to jointly optimize the transmission delay and energy consumption. Exploiting the potential social relationships among fog access points (F-APs), we firstly propose a clustering scheme based on hedonic coalition game (HCG) to improve the potential cooperation gain. Then, considering that the optimization problem is non-deterministic polynomial hard (NP-hard), we further propose an improved firefly algorithm (FA) based cooperative caching scheme, which utilizes a mutation strategy based on local content popularity to avoid pre-mature convergence. Simulation results show that our proposed scheme can effectively reduce the content transmission delay and energy consumption in comparison with the baselines.
| Original language | English |
|---|---|
| Title of host publication | ICC 2022 - IEEE International Conference on Communications |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| Pages | 1672-1677 |
| Number of pages | 6 |
| ISBN (Electronic) | 9781538683477 |
| DOIs | |
| State | Published - 2022 |
| Externally published | Yes |
| Event | 2022 IEEE International Conference on Communications, ICC 2022 - Seoul, Korea, Republic of Duration: 16 May 2022 → 20 May 2022 |
Publication series
| Name | IEEE International Conference on Communications |
|---|---|
| Volume | 2022-May |
| ISSN (Print) | 1550-3607 |
Conference
| Conference | 2022 IEEE International Conference on Communications, ICC 2022 |
|---|---|
| Country/Territory | Korea, Republic of |
| City | Seoul |
| Period | 16/05/22 → 20/05/22 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- Fog radio access networks
- cooperative caching
- firefly algorithm
- hedonic coalition game
- social-aware
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