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Priority-Based Adaptive MAC Protocol for Wireless Sensor/Actuator Networks

Journal Name:

  • International Journal of Science and Engineering Investigations

Publication Year:

  • 2016

Key Words:

Author NameUniversity of Author
Abstract (2. Language): 
The recent progresses made in microelectronics, embedded systems and wireless communications led to the emergence of wireless sensor/actuator networks (WSANs) in variety of applications. WSANs demand energy efficient, reliable and timely data gathering. Beyond that, there may be need to rapidly respond to observed events. IEEE 802.15.4 standard does not have any prioritization mechanism and all data flows are received with the same priority. This paper presents an adaptive MAC protocol with priority-based TDMA scheduling algorithm by using modified IEEE 802.15.4 superframe structure for time-critical WSAN applications. Proposed MAC protocol with event-aware scheduling enables the prioritization of data flows from sensor nodes with respect to reliability and timely reaction requirements. Simulation results demonstrate that the effectiveness of proposed strategy to reduce the redundant traffic load in data gathering process from distributed sensor nodes.
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152
  • English

REFERENCES

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International Journal of Science and Engineering Investigations, Volume 5, Issue 59, December 2016 152
www.IJSEI.com Paper ID: 55916-20
ISSN: 2251-8843
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