Abstract
Sensor network systems are being expanded with the development of technology for the design of a low-power chips and for operating sensor networks. However, it is difficult to modify or change an application for a stationary sensor node after installation in the field. Furthermore, there is a limit to installation after developing and testing a new sensor node if it needs to reconfigure the software and hardware of the existing sensor node. Therefore, not only is software reconfiguration needed but also dynamic hardware reconfiguration for various changes in requirements, such as sensor type, communication bandwidth, quality of service, or reduced power consumption depending on the changing environment and requirements of users. This paper proposes a specially designed stationary node called a SMART (system management architecture for reconfigurable technology) node, which is capable of dynamic reconfiguration of the various sensing functions or communication protocols. The SMART node can provide suitable service and change the communication protocol according to various surroundings and user requirements.
Highlights
An onsite stationary sensor node collects information about surrounding environments to provide various location-aware services [1]
The current data of the SMART node is transmitted to the SMART node as a gateway, and this gateway is transmitted to the server
We propose an improved sensor node called SMART node, which enables dynamic reconfiguration of the network communication protocols and function of the node
Summary
An onsite stationary sensor node collects information about surrounding environments to provide various location-aware services [1]. During software or hardware design, these stationary sensor nodes are generally developed according to function optimized in the surrounding environment. When many mobile nodes are suddenly connected and begin transmitting to one of the stationary nodes located in a particular area, the system has to select a network guaranteed to provide high bandwidth instantly to meet all services [5]. It needs to select a network in order to guarantee the stability of network data transfer rates even if the existing networks are damaged by fire, flood, or natural disaster [6].
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