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Published in: Mobile Networks and Applications 2/2019

24-10-2018

Performance Analysis of the Content Dissemination Mechanism with Proactive Content Fetching and Full-Duplex D2D Communication: an Evolutionary Perspective

Authors: Hua Qu, Gongye Ren, Jihong Zhao, Youwei Shi, Zhenjie Tan

Published in: Mobile Networks and Applications | Issue 2/2019

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Abstract

Device-to-device (D2D) communication has been regarded as a promising technique for content dissemination in the fifth generation wireless network. To improve the efficiency of content dissemination, in this paper, we propose a content dissemination mechanism with proactive content fetching (PCF) and full-duplex (FD) D2D communication, referred to as PCF-FD mechanism. This mechanism is characterized by the proactive content requests of partial users that don’t request contents originally. FD communication is utilized to establish more D2D links and increase the area spectral efficiency (ASE). Based on stochastic geometry, we derive the recursive formula of content caching probability from the evolutionary perspective. In addition, the expressions of successful offloading probability (SOP), ASE and average energy consumption are also obtained. Computer experiments show that the analytical results match well with simulation results and our scheme outperforms the conventional scheme without PCF and FD communication by 45% in terms of SOP in a scenario with small user density and light load.

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Appendix
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Footnotes
1
Once the cache is filled to capacity, the proposed mechanism terminates naturally and some cache eviction strategies are need, which are out of the scope of this paper.
 
2
The application of the PCF-FD mechanism is content dissemination in densely populated areas, such as crowds of users in a mall requesting multimedia contents from video sharing websites. In this scenario, PRs are unaware of the content caching distribution {pf} and content popularity distribution {qf}. Since all the content transmissions (including BS content transmissions and D2D content transmissions) are scheduled by BSs, BSs have the full knowledge of the caching state of each content in all the devices, and they can estimate the content caching distribution {pf} at each time period. Thus, the content caching distribution {pf} and content popularity distribution {qf} can be broadcast from BSs to PRs, and PRs send proactive content requests according to Eq. 2.
 
3
“N” means “no”.
 
4
The duration of a frame is assumed to be 1s in this paper. Note that we don’t take into account multicast transmission for the same file requests [37]. Thus the time slots are partitioned based on the number of devices served by a busy UE, instead of the number of different contents transmitted by a busy UE.
 
Literature
33.
go back to reference Naslcheraghi M, Ghorashi SA, Shikh-Bahaei M (2017) Performance analysis of inband FD-D2D communications with imperfect SI cancellation for wireless video distribution. In: 2017 8th international conference on the network of the future (NOF), pp 176-181. https://doi.org/10.1109/NOF.2017.8251246 Naslcheraghi M, Ghorashi SA, Shikh-Bahaei M (2017) Performance analysis of inband FD-D2D communications with imperfect SI cancellation for wireless video distribution. In: 2017 8th international conference on the network of the future (NOF), pp 176-181. https://​doi.​org/​10.​1109/​NOF.​2017.​8251246
54.
go back to reference Haenggi M (2012) Stochastic geometry for wireless networks. Cambridge University Press, New YorkCrossRefMATH Haenggi M (2012) Stochastic geometry for wireless networks. Cambridge University Press, New YorkCrossRefMATH
Metadata
Title
Performance Analysis of the Content Dissemination Mechanism with Proactive Content Fetching and Full-Duplex D2D Communication: an Evolutionary Perspective
Authors
Hua Qu
Gongye Ren
Jihong Zhao
Youwei Shi
Zhenjie Tan
Publication date
24-10-2018
Publisher
Springer US
Published in
Mobile Networks and Applications / Issue 2/2019
Print ISSN: 1383-469X
Electronic ISSN: 1572-8153
DOI
https://doi.org/10.1007/s11036-018-1155-3

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