Abstract
Wireless sensor networks (WSNs) are energy-constrained networks. The residual energy real-time monitoring (RERM) is very important for WSNs. Moreover, network model is an important foundation of RERM research at personal area network (PAN) level. Because RERM is inherently application-oriented, the network model adopted should also be application-oriented. However, many factors of WSNs applications such as link selected probability and ACK mechanism etc. were neglected by current network models. These factors can introduce obvious influence on throughput of WSNs. Then the energy consumption of nodes will be influenced greatly. So these models cannot characterize many real properties of WSNs, and the result of RERM is not consistent with the real-world situation. In this study, these factors neglected by other researchers are taken into account. Furthermore, an application-oriented general network model (AGNM) for RERM is proposed. Based on the AGNM, the dynamic characteristics of WSNs are simulated. The experimental results show that AGNM can approximately characterize the real situation of WSNs. Therefore, the AGNM provides a good foundation for RERM research.
Highlights
With the rapid development of Wireless sensor networks (WSNs) [1,2,3], the interaction manners between the human being world and the physical world have been changed greatly
Network model is an important foundation of residual energy real-time monitoring (RERM) research at personal area network (PAN) level
Network model is the fundamental infrastructure of RERM research at the PAN-level
Summary
With the rapid development of WSNs [1,2,3], the interaction manners between the human being world and the physical world have been changed greatly. These characteristics have been verified in our previous study [6] These properties of WSNs have not been handled by the network models adopted by other previous RERM researches reported [7,8,9,10]. This becomes the main reasons of the inconsistent between RERM results and the real WSNs. This becomes the main reasons of the inconsistent between RERM results and the real WSNs To solve this problem, based on real platforms, a new perspective of PAN was investigated by us when analyzing the fundamental causes of unreliability and asymmetry.
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