DYNAMIC POWER MANAGEMENT IN WIRELESS SENSOR NETWORK (STATISTICS PROJECT TOPICS AND MATERIALS)
ABSTRACT
This research focuses on reducing or minimizing the power consumption, thereby increasing the network lifetime and also demonstrates a methodology for power consumption evaluation of WSN. The research also analyzes the energy consumption of ad hoc nodes using IEEE 802.11 interfaces; this was achieved using OPNET simulator. The evaluation takes into account the properties of the medium access protocol and the process of forwarding packets in ad hoc mode. The key point is to determine the node lifetime based on its average power consumption. The average power consumption is estimated considering how long the node remains sleeping, idle, receiving or transmitting.
CHAPTER ONE
1.0Â Â INTRODUCTION
1.1Â Â Â Â Â Â Â Â Â Â Â Â Â Â Background to Study
According to (Dharma and Quin-an, 2011), a wireless sensor network is a collection of wirelessly interconnected sensors, which together are used to monitor or analyse unattained environments. Also, in a wireless sensor network each node consists of processing capabilities, one or multiple types of memory, an RF transceiver, a power source (batteries and cells) all accommodating various sensors and actuators.
Wireless Sensor Networks (WSN) deployment is fast gaining wide spread attention in different field of studies such as military, house-holds, factories, environment monitoring and control field (e.g., robot control), high-security smart homes, tracking and identification and personalisation. Wireless sensor nodes are autonomous and many wireless sensor networks applications are being designed to either provide an automatic response to certain situations or serve as a notification system to some higher order authority of action. It is also known that wireless sensor networks have the ability to generate huge data which sometimes can prove really difficult to manage and analyse (Ye et al.,2005).
