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Cooperative video transmission strategies via caching in small-cell networks
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Liu, Xiaonan, Zhao, Nan, Yu, F. Richard, Chen, Yunfei, Tang, Jie and Leung, Victor C. M. (2018) Cooperative video transmission strategies via caching in small-cell networks. IEEE Transactions on Vehicular Technology, 67 (12). pp. 12204-12217. doi:10.1109/TVT.2018.2874258 ISSN 0018-9545.
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WRAP-cooperative-video-transmission-strategies-caching-cell-Chen-2018.pdf - Accepted Version - Requires a PDF viewer. Download (5Mb) | Preview |
Official URL: https://doi.org/10.1109/TVT.2018.2874258
Abstract
Small-cell network is a promising solution to the high video traffic. However, it has some fundamental problems, i.e., high backhaul cost, quality of experience (QoE) and interference. To address these issues, we propose a cooperative transmission strategy for video transmission in small-cell networks with caching. In the scheme, each video file is encoded into segments using a maximum distance separable rateless code. Then, a portion of each segment is cached at a certain small-cell base station (SBS), so that the SBSs can cooperatively transmit these segments to users without incurring high backhaul cost. When there is only one active user in the network, a greedy algorithm is utilized to deliver the video-file segment from the SBS with good channel state to the user watching videos in real time. This reduces video freezes and improves the QoE. When there exist several active users, interference will appear among them. To deal with interference, interference alignment (IA) is adopted. Based on the scheme for a single user, the greedy algorithm and IA are combined to transmit video-file segments to these users, and the performance of the system can be significantly improved. Simulation results are presented to show the effectiveness of the proposed scheme.
| Item Type: | Journal Article | ||||||||||||
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| Subjects: | Q Science > QA Mathematics T Technology > TK Electrical engineering. Electronics Nuclear engineering |
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| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||||||||||
| Library of Congress Subject Headings (LCSH): | Streaming video, Algorithms | ||||||||||||
| Journal or Publication Title: | IEEE Transactions on Vehicular Technology | ||||||||||||
| Publisher: | IEEE | ||||||||||||
| ISSN: | 0018-9545 | ||||||||||||
| Official Date: | December 2018 | ||||||||||||
| Dates: |
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| Volume: | 67 | ||||||||||||
| Number: | 12 | ||||||||||||
| Page Range: | pp. 12204-12217 | ||||||||||||
| DOI: | 10.1109/TVT.2018.2874258 | ||||||||||||
| Status: | Peer Reviewed | ||||||||||||
| Publication Status: | Published | ||||||||||||
| Reuse Statement (publisher, data, author rights): | © 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. | ||||||||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||||||||
| Date of first compliant deposit: | 5 October 2018 | ||||||||||||
| Date of first compliant Open Access: | 8 October 2018 | ||||||||||||
| RIOXX Funder/Project Grant: |
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