NDLI: QoS-aware energy-efficient radio resource allocation in heterogeneous wireless networks

Content Provider	IEEE Xplore Digital Library
Author	Jingwei Zou Qi Xi Qian Zhang Chen He Lingge Jiang Jianfeng Ding
Copyright Year	2015
Description	Author affiliation: Dept. of Electron. Eng., Shanghai Jiao Tong Univ., Shanghai, China (Jingwei Zou; Qi Xi; Qian Zhang; Chen He; Lingge Jiang; Jianfeng Ding)
Abstract	In this paper, we investigate the energy-efficient uplink radio resource allocation scheme with quality of service (QoS) guarantees in heterogeneous wireless networks. All mobile terminals (MTs) have multi-homing capability, which can communicate with access points (APs) of the multiple radio access technologies (RATs) simultaneously. Currently, the energy efficiency (EE) is very important in the mobile communication, and become a critical metric of the radio resource management (RRM). Most of the previous studies aim to optimize the total throughput or the total power consumption. Only a few focus on energy efficiency in heterogeneous wireless networks. Thus, we formulate an energy-efficient resource allocation problem which takes the sum of energy efficiency of the MTs as the optimization object. The proposed problem is a sum-of-ratios fractional programming problem, which is NP-hard. To obtain the optimal solution, we propose an iteration-based energy-efficient resource allocation algorithm, which jointly allocates the bandwidth and the power. The proposed algorithm is divided into three stages, and the resource allocation in each stage is energy-efficient. Numerical simulation evaluates the performance of the proposed algorithm.
Starting Page	2781
Ending Page	2786
File Size	229848
Page Count	6
File Format	PDF
e-ISBN	9781467363051
DOI	10.1109/ICCW.2015.7247600
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-06-08
Publisher Place	UK
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless networks Bandwidth Quality of service Channel allocation Rats Resource management Manganese
Content Type	Text
Resource Type	Article

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