Operator Profit-Aware Wireless Virtualization for Device-to-Device Communications Underlaying LTE Networks
Operator Profit-Aware Wireless Virtualization for Device-to-Device Communications Underlaying LTE Networks
复制标题
针对 LTE 网络下的设备到设备通信的运营商利润感知无线虚拟化
DOI:
10.1109/access.2017.2715813
复制
发表时间:
2017-06
期刊:
影响因子:
3.9
通讯作者:
Zhu Hongbo
中科院分区:
文献类型:
--
作者:
Cheng Yulun;Yang Longxiang;Zhu Hongbo
This paper investigates the operator profit from virtual resource allocation in device-to-device (D2D) communications underlaying long-term evolution networks. By utilizing the power-bandwidth product model as the metric of operator cost, the virtual resource allocation is formulated as a binary integer programming to maximize the difference between the sum rate of all the users and the consumed resources. To reduce the complexity, the formulated problem is decomposed to two subproblems, and for each subproblem, a heuristic algorithm is proposed to transfer the complexity of exponent into polynomial. Simulation results show that the proposed scheme is close to the optimal solution with lower complexity. Meanwhile, it also outperforms the benchmark in terms of the total profit, and enables the desired tradeoff between the operator cost and sum rate of both cellular and D2D users.
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