期刊名称：International Journal of Advanced Research In Computer Science and Software Engineering
印刷版ISSN：2277-6451
电子版ISSN：2277-128X
出版年度：2012
卷号：2
期号：7
出版社：S.S. Mishra
摘要：In recent years, there has been a growing interest in wireless sensor networks (WSNs) due to its wide range of potential applications. They are now used in many industrial and civilian application areas, including industrial process monitoring and control, machine health monitoring, environment and habitat monitoring, health care applications, home automation and traffic control. In civilian scenarios, sensors used to monitor traffic or pollution. In terms of the most basic military applications, such networks can be used to detect, classify, and track targets in a given territory. Today wireless sensor networks (WSNs) pose a number of challenging optimization problems. One of the fundamental problems in wireless sensor network is Coverage and Lifetime. Since the sensor node have a limited battery power. Once we deploy the sensor it is very difficult to change the battery power so energy efficient deployment is very important to increase the coverage and lifetime. In some applications of wireless sensor networks, the sensing nodes is so far away from base station that relaying nodes must be employed to forward data. Some relay nodes use up their power early because they have heavier traffic load than other nodes, which affects the network lifetime. In this work, we provide an analytical framework for the deployment of sensors. We also present the formulation and solution to energy allocation of sensor node according to traffic load in every hop wireless sensor networks. The simulation results show that our deployment algorithm can significantly reduce the total number of deployed sensors and also increase the lifetime of wireless sensor network. We also present an algorithm which shows that how much initial energy is required for different sensors which are deployed in different hop WSNs
关键词：Wireless Sensor Networks; Deployment of Sensors; Coverage; Energy Allocation; Lifetime. Wireless ;Sensor Networks; Deployment of Sensors; Coverage; Energy Allocation; Lifetime
