Energy-Efficient Scheduling and Resource Allocation in Uplink OFDMA Systems

被引：21

作者：

Ye, Haina ^{[1
]}

Lim, Gubong ^{[1
,2
]}

Cimini, Leonard J. ^{[3
]}

Tan, Zhenhui ^{[1
]}

机构：

[1] Beijing Jiaotong Univ, Inst Broadband Wireless Mobile Commun, Sch Elect & Informat Engn, Beijing 100044, Peoples R China

[2] Availink Inc., Germantown, MD 20874 USA

[3] Univ Delaware, Dept Elect & Comput Engn, Newark, DE 19716 USA

来源：

IEEE COMMUNICATIONS LETTERS | 2015年 / 19卷 / 03期

基金：

美国国家科学基金会;

关键词：

Energy efficiency; resource allocation; scheduling; orthogonal frequency division multiple access (OFDMA); WIRELESS COMMUNICATIONS;

D O I：

10.1109/LCOMM.2015.2388487

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

Energy efficiency (EE) is an important objective in uplink wireless communications due to the limited capacity of batteries in user equipment (UE). In this letter, we propose a scheduling metric to balance the tradeoff between EE and fairness. We consider the scenario in which the access point (AP) serves a subset of UEs when available resources cannot support all of the UEs' quality-of-service (QoS) requirements. Based on the scheduling metric, we propose a suboptimal joint scheduling and resource allocation algorithm that maximizes the system EE. Simulation results show that the proposed algorithm can achieve a good tradeoff between the system EE and fairness.

引用

页码：439 / +

页数：2

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