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A Publish-Subscribe Middleware for Real-Time Wireless Sensor Networks

  • Mohsen Sharifi
  • Majid Alkaee Taleghan
  • Amirhosein Taherkordi
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3991)

Abstract

The specific characteristics of Wireless Sensor Networks (WSNs) have changed Quality of Service (QoS) support in these networks to a challenging task. In this paper, we propose a dispatcher as part of a message routing component in publish/subscribe WSNs. Some works consider link-based solutions to support real-time parameters in WSNs. These works do not take into account the dynamic behavior of WSNs with probable damaged nodes and links. The use of dispatcher can reduce the average message delay, whether the message has high priority or low priority. The dispatcher uses a scheduler to support real-time parameters, such as delay, and selects messages from two separate queues, namely, QoS queue and non-QoS queue. Simulation results show that our approach really reduces the average delay and increases the delivery rate for both QoS messages and non-QoS messages.

Keywords

Wireless Sensor Network Sink Node Average Delay Average Message Delay Message Identifier 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Mohsen Sharifi
    • 1
  • Majid Alkaee Taleghan
    • 1
  • Amirhosein Taherkordi
    • 1
  1. 1.Computer Engineering DepartmentIran University of Science and Technology 

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