Optimal Resource Allocation for CoMP based Cellular Systems with Base Station Switching

Ramamoorthi, Y and Kumar, Abhinav (2016) Optimal Resource Allocation for CoMP based Cellular Systems with Base Station Switching. arXiv. pp. 1-11.

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Base station switching (BSS) can results in significant reduction in energy consumption of cellular networks during low traffic conditions. We show that the coverage loss due to BSS can be compensated via coordinated multi-point (CoMP) based transmission in a cluster of base stations. For a BSS with CoMP based system, we propose various BSS patterns to achieve suitable trade-off between energy efficiency and throughput. We formulate the CoMP resource allocation and α-Fair user scheduling as a joint optimization problem. We derive the optimal time fraction and user scheduling for this problem. We utilize these results to formulate the BSS with CoMP as an optimization problem. A heuristic that solves this problem for a given rate threshold is presented. Through extensive simulations, we show that suitable trade-offs among energy, coverage, and rate can be achieved by appropriately selecting the BSS pattern, CoMP cluster, and rate threshold.

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Item Type: Article
Subjects: Computer science > Computer programming, programs, data
Computer science > Big Data Analytics
Divisions: Department of Computer Science & Engineering
Depositing User: Team Library
Date Deposited: 14 Sep 2016 06:32
Last Modified: 28 Aug 2017 09:44
URI: http://raiith.iith.ac.in/id/eprint/2751
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