Issues and Approaches in Reprogramming WSN
Sensor networks are dense wireless networks of small, low-cost sensors, which collect and disseminate environmental data. Wireless sensor networks facilitate monitoring and controlling of physical environments from remote locations with better accuracy. They have applications in a variety of fields such as environmental monitoring, military purposes and gathering sensing information in inhospitable locations. Sensor nodes have various energy and computation constraints because of their inexpensive nature and ad-hoc method of deployment. In most applications sensor networks are deployed once and intended to operate unattended for a long period of time. Management and maintenance tasks of WSN are challenging. Enabling sensor networks to reprogrammable is a way to address such challenges. This paper review the problem and approaches associated with the remote reprogramming of wireless sensor networks.