NDLI: Energy efficiency and area spectral efficiency tradeoff for coexisting wireless body sensor networks

Content Provider	Springer Nature Link
Author	Liu, Ruixia Wang, Yinglong Wu, Shangbin Wang, Cheng Xiang Zhang, Wensheng
Copyright Year	2016
Abstract	The coexistence of wireless body sensor networks (WBSNs) is a very challenging problem, due to strong interference, which seriously affects energy consumption and spectral reuse. The energy efficiency and spectral efficiency are two key performance evaluation metrics for wireless communication networks. In this paper, the fundamental tradeoff between energy efficiency and area spectral efficiency of WBSNs is first investigated under the Poisson point process (PPP) model and Matern hard-core point process (HCPP) model using stochastic geometry. The circuit power consumption is taken into consideration in energy efficiency calculation. The tradeoff judgement coefficient is developed and is shown to serve as a promising complementary measure. In addition, this paper proposes a new nearest neighbour distance power control strategy to improve energy efficiency. We show that there exists an optimal transmit power highly dependant on the density of WBSNs and the nearest neighbour distance. Some important properties are also addressed in the analysis of coexisting WBSNs based on the IEEE 802.15.4 standard, such as the impact of intensity nodes distribution, optimal guard zone, and outage probability. Simulation results show that the proposed power control design can reduce the outage probability and enhance energy efficiency. Energy efficiency and area spectral efficiency of the HCPP model are better than those of the PPP model. In addition, the optimal density of WBSNs coexistence is obtained.本文采用随机几何分析方法, 采用了两种随机几何模型: PPP(泊松点过程)模型和HCPP(中心点过程)模型, 提出了共存无线体域网络的能量效率和区域频谱效率的折中关系, 并对在两种模型下的能效和频效关系进行了比较, 得出了在一定共存密度下的可行域。另外, 本文还提出了一种基于邻居节点距离的功率控制方法。通过对无线体域网络共存的性能分析研究, 可对无线体域网的系统设计提供一种参考或依据。
Starting Page	1
Ending Page	15
Page Count	15
File Format	PDF
ISSN	1674733X
Journal	Science in China Series : Information Sciences
Volume Number	59
Issue Number	12
e-ISSN	18691919
Language	Chinese
Publisher	Science China Press
Publisher Date	2016-11-02
Publisher Place	Beijing
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	WBSNs coexistence stochastic geometry energy efficiency area spectral efficiency power control Information Systems and Communication Service
Content Type	Text
Resource Type	Article
Subject	Computer Science

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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