Dynamic Connectivity in Wireless Underground Sensor Networks

被引：67

作者：

Sun, Zhi ^{[1
]}

Akyildiz, Ian F. ^{[1
]}

Hancke, Gerhard P. ^{[2
]}

机构：

[1] Georgia Inst Technol, Sch Elect & Comp Engn, Broadband Wireless Networking Lab, Atlanta, GA 30332 USA

[2] Univ Pretoria, Dept Elect Elect & Comp Engn, ZA-0002 Pretoria, South Africa

来源：

IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS | 2011年 / 10卷 / 12期

基金：

美国国家科学基金会;

关键词：

Dynamic connectivity; wireless underground sensor networks; signal propagation in soil medium; SOIL;

D O I：

10.1109/TWC.2011.093011.110632

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In wireless underground sensor networks (WUSNs), due to the dynamic underground channel characteristics and the heterogeneous network architecture, the connectivity analysis is much more complicated than in the terrestrial wireless sensor networks and ad hoc networks, which was not addressed before, to our knowledge. In this paper, a mathematical model is developed to analyze the dynamic connectivity in WUSNs, which captures the effects of the environmental parameters such as the soil composition and the soil moisture, and the system parameters such as the operating frequency, the sensor burial depth, the sink antenna height, the density of the sensor and sink devices, the tolerable latency of the networks, and the number and the mobility of the above-ground sinks. The lower and upper bounds of the connectivity probability are derived to analytically provide principles and guidelines for the design and deployment of WUSNs in various environmental conditions.

引用

页码：4334 / 4344

页数：11

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