Optimal Caching Policy for D2D Assisted Cellular Networks With Different Cache Size Devices
This paper studies the problem of optimal cache placement to maximize the offloading probability in a device-to-device (D2D) enabled cellular network with small base stations (SBSs). Different from most existing works, we consider unequal users’ equipment (UE) cache memory sizes and all w...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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IEEE
2022-01-01
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| Series: | IEEE Access |
| Subjects: | |
| Online Access: | https://ieeexplore.ieee.org/document/9893136/ |
| _version_ | 1811264842715103232 |
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| author | Nadia Abdolkhani Mohsen Eslami Javad Haghighat Walaa Hamouda |
| author_facet | Nadia Abdolkhani Mohsen Eslami Javad Haghighat Walaa Hamouda |
| author_sort | Nadia Abdolkhani |
| collection | DOAJ |
| description | This paper studies the problem of optimal cache placement to maximize the offloading probability in a device-to-device (D2D) enabled cellular network with small base stations (SBSs). Different from most existing works, we consider unequal users’ equipment (UE) cache memory sizes and all wireless links are modeled as Nakagami-<inline-formula> <tex-math notation="LaTeX">$m$ </tex-math></inline-formula> fading. User preference for each UE and global popularity for SBS, as well as the higher priority of content request from neighboring UEs vs. SBS, are the main factors that make the problem formulation of our work different from that of existing works. It is assumed that each UE caches its desired content with the order of searching its cache, neighboring UEs’ cache via D2D communications, and its serving SBS’ cache. A close to optimal low complexity heuristic cache placement policy is proposed and it is shown that its performance reaches the optimal caching strategy. |
| first_indexed | 2024-04-12T20:11:40Z |
| format | Article |
| id | doaj.art-c0d4b8f024854c3cbeba1bb4d6c1b2b4 |
| institution | Directory Open Access Journal |
| issn | 2169-3536 |
| language | English |
| last_indexed | 2024-04-12T20:11:40Z |
| publishDate | 2022-01-01 |
| publisher | IEEE |
| record_format | Article |
| series | IEEE Access |
| spelling | doaj.art-c0d4b8f024854c3cbeba1bb4d6c1b2b42022-12-22T03:18:14ZengIEEEIEEE Access2169-35362022-01-0110993539936010.1109/ACCESS.2022.32068139893136Optimal Caching Policy for D2D Assisted Cellular Networks With Different Cache Size DevicesNadia Abdolkhani0Mohsen Eslami1https://orcid.org/0000-0001-7236-6923Javad Haghighat2https://orcid.org/0000-0002-5311-5464Walaa Hamouda3https://orcid.org/0000-0001-6618-5851Department of Electrical and Computer Engineering, Concordia University, Montreal, QC, CanadaDepartment of Electrical and Electronics Engineering, Shiraz University of Technology, Shiraz, IranDepartment of Electrical and Electronics Engineering, TED University, Ankara, TurkeyDepartment of Electrical and Computer Engineering, Concordia University, Montreal, QC, CanadaThis paper studies the problem of optimal cache placement to maximize the offloading probability in a device-to-device (D2D) enabled cellular network with small base stations (SBSs). Different from most existing works, we consider unequal users’ equipment (UE) cache memory sizes and all wireless links are modeled as Nakagami-<inline-formula> <tex-math notation="LaTeX">$m$ </tex-math></inline-formula> fading. User preference for each UE and global popularity for SBS, as well as the higher priority of content request from neighboring UEs vs. SBS, are the main factors that make the problem formulation of our work different from that of existing works. It is assumed that each UE caches its desired content with the order of searching its cache, neighboring UEs’ cache via D2D communications, and its serving SBS’ cache. A close to optimal low complexity heuristic cache placement policy is proposed and it is shown that its performance reaches the optimal caching strategy.https://ieeexplore.ieee.org/document/9893136/Cachingcellular networkD2D |
| spellingShingle | Nadia Abdolkhani Mohsen Eslami Javad Haghighat Walaa Hamouda Optimal Caching Policy for D2D Assisted Cellular Networks With Different Cache Size Devices IEEE Access Caching cellular network D2D |
| title | Optimal Caching Policy for D2D Assisted Cellular Networks With Different Cache Size Devices |
| title_full | Optimal Caching Policy for D2D Assisted Cellular Networks With Different Cache Size Devices |
| title_fullStr | Optimal Caching Policy for D2D Assisted Cellular Networks With Different Cache Size Devices |
| title_full_unstemmed | Optimal Caching Policy for D2D Assisted Cellular Networks With Different Cache Size Devices |
| title_short | Optimal Caching Policy for D2D Assisted Cellular Networks With Different Cache Size Devices |
| title_sort | optimal caching policy for d2d assisted cellular networks with different cache size devices |
| topic | Caching cellular network D2D |
| url | https://ieeexplore.ieee.org/document/9893136/ |
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