Femto-Caching File Placement Technique for Overlapped Helper Coverage Without User Location Information 


Vol. 39,  No. 11, pp. 682-689, Nov.  2014


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  Abstract

Due to explosive growth of mobile data traffic, many kind of techniques based on small cell is proposed as solution for phenomenon. However, those techniques essentially demands increase of backhaul capacity and causes performance degradation if not satisfied. Based on that, the approach applying the storage capacity in place of backhaul capacity, which is known as femto-caching, is proposed to reduce data downloading delay of users in system[1]. In this paper, we expanded previous research by proposing file placement strategy with distribution of user position, which is more practical scenario. Simulation results verify that our proposed scheme has better performance gains mainly because when coverage of helpers are overlapped, users get more opportunity to connect various helpers which enables users to download a variety kind of files from helpers, not base station.

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  Cite this article

[IEEE Style]

J. Shim, B. Min, D. K. Kim, "Femto-Caching File Placement Technique for Overlapped Helper Coverage Without User Location Information," The Journal of Korean Institute of Communications and Information Sciences, vol. 39, no. 11, pp. 682-689, 2014. DOI: .

[ACM Style]

Jae-Nam Shim, Byoung-Yoon Min, and Dong Ku Kim. 2014. Femto-Caching File Placement Technique for Overlapped Helper Coverage Without User Location Information. The Journal of Korean Institute of Communications and Information Sciences, 39, 11, (2014), 682-689. DOI: .

[KICS Style]

Jae-Nam Shim, Byoung-Yoon Min, Dong Ku Kim, "Femto-Caching File Placement Technique for Overlapped Helper Coverage Without User Location Information," The Journal of Korean Institute of Communications and Information Sciences, vol. 39, no. 11, pp. 682-689, 11. 2014.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880