On the optimization of user-centric energy-efficient C-RAN
Journal
2016 IEEE International Conference on Communications, ICC 2016
Date Issued
2016
Author(s)
Abstract
Since mobile network operators not only need to satisfy user needs but also have to reduce operating cost (mainly electricity cost) to maintain long-term profitability under strict market competition, energy efficiency (EE), defined as capacity per energy cost, becomes a popular metric for designing mobile networks. For user-centric services, however, the metric of quality of experience (QoE) is more suitable than the metric of capacity or data rate. Therefore, in this paper, we consider a novel network design metric quality-energy efficiency (QEE), defined as the quality of experience achieved per energy consumed. By using QEE as the performance objective, we propose a framework to design user-centric green cloud-based radio access network (CRAN). In particular, the issues of fairness and fronthaul power consumption in C-RAN are taken into account. An efficient approach to solving the non-convex max-min optimization problem for the design of user-centric green C-RAN is proposed. Simulation results validate the near-optimal performance of the proposed algorithm and demonstrate the value of the proposed QEE metric for the design of energy-efficient user-centric CRAN. © 2016 IEEE.
SDGs
Other Subjects
Competition; Costs; Design; Mobile telecommunication systems; Optimization; Quality of service; User centered design; Wireless networks; Market competition; Max-min optimizations; Mobile network operators; Near-optimal performance; Performance objective; Quality of experience (QoE); Radio access networks; User-centric service; Energy efficiency
Type
conference paper