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Optimal mobile content downloading in device-to-device communication underlaying cellular networks

Optimal mobile content downloading in device-to-device communication underlaying cellular networks
Optimal mobile content downloading in device-to-device communication underlaying cellular networks
With the emerging demands for local area services of popular content downloading, device-to-device (D2D) communication is conceived as a vital technological component for next generation cellular communication networking to increase the spectral efficiency and to enhance the system capacity. Targeting the application of mobile content downloading, we investigate the fundamental problems of how D2D communication improves the system performance of cellular networks and what is the potential effect of D2D communication, with the aid of the optimal solutions for the system resource allocation and mode selection obtained under the realistic user and mobility conditions. Specifically, by formulating a max-flow optimization problem that maximizes the content downloading flows from all the cellular base stations to the content downloaders through any possible ways of transmission, we obtain the theoretical upper bound to system content downloading performance. Using realistic mobility model and trace driven simulations, we evaluate the effects of the different system settings on the performance of the mobile contentdownloading system, and reveal the fundamental influence of D2D communication.
device-to-device communication, mobile data downloading, cellular networks
3596-3608
Li, Yong
0817e950-114f-47f3-aefe-74bf9ec0e2a3
Wang, Zhaocheng
70339538-3970-4094-bcfc-1b5111dfd8b4
Jin, Depeng
d5ef5d7e-82a7-4950-85cf-800fe7794cc5
Chen, Sheng
9310a111-f79a-48b8-98c7-383ca93cbb80
Li, Yong
0817e950-114f-47f3-aefe-74bf9ec0e2a3
Wang, Zhaocheng
70339538-3970-4094-bcfc-1b5111dfd8b4
Jin, Depeng
d5ef5d7e-82a7-4950-85cf-800fe7794cc5
Chen, Sheng
9310a111-f79a-48b8-98c7-383ca93cbb80

Li, Yong, Wang, Zhaocheng, Jin, Depeng and Chen, Sheng (2014) Optimal mobile content downloading in device-to-device communication underlaying cellular networks. IEEE Transactions on Wireless Communications, 13 (7), 3596-3608.

Record type: Article

Abstract

With the emerging demands for local area services of popular content downloading, device-to-device (D2D) communication is conceived as a vital technological component for next generation cellular communication networking to increase the spectral efficiency and to enhance the system capacity. Targeting the application of mobile content downloading, we investigate the fundamental problems of how D2D communication improves the system performance of cellular networks and what is the potential effect of D2D communication, with the aid of the optimal solutions for the system resource allocation and mode selection obtained under the realistic user and mobility conditions. Specifically, by formulating a max-flow optimization problem that maximizes the content downloading flows from all the cellular base stations to the content downloaders through any possible ways of transmission, we obtain the theoretical upper bound to system content downloading performance. Using realistic mobility model and trace driven simulations, we evaluate the effects of the different system settings on the performance of the mobile contentdownloading system, and reveal the fundamental influence of D2D communication.

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Published date: July 2014
Keywords: device-to-device communication, mobile data downloading, cellular networks
Organisations: Southampton Wireless Group

Identifiers

Local EPrints ID: 367049
URI: http://eprints.soton.ac.uk/id/eprint/367049
PURE UUID: 0950e54d-df94-458f-a8de-c278c3d74fb2

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Date deposited: 21 Jul 2014 11:59
Last modified: 09 Dec 2019 19:57

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