Uplink resource allocation in device-to-device enabled cellular networks

被引：0
|
作者：
Cheng, Yong-Sheng [1 ]
Zhu, Jiang [1 ]
Lin, Xiao-Kang [1 ]
机构：
[1] Department of Electronic Engineering, Tsinghua University, Beijing
来源：
Dianzi Yu Xinxi Xuebao/Journal of Electronics and Information Technology | 2014年 / 36卷 / 12期
关键词：
Canonical duality; Device-to-Device (D2D) communication; Integer programming; Resource allocation;
D O I：
10.3724/SP.J.1146.2014.00056
中图分类号：
学科分类号：
摘要：
Uplink resource allocation in Device-to-Device (D2D) enabled cellular systems is studied. The sum-rate maximization problem is transformed into a concise Binary Integer Programming (BIP) problem, which is NP-hard. Then based on the Canonical duality theory, a dual problem is obtained. The dual problem is a convex problem in a continuous domain. Under appropriate conditions, the dual method attains the global optimal solution of the primal problem with zero duality gap. An algorithm based on the Barrier method is proposed to solve the dual problem. Simulation results show that the proposed algorithm performs close to optimal and outperforms the existing algorithm. ©, 2014, Science Press. All right reserved.
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页码：2822 / 2827
页数：5
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