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8th Euromicro Conference on Digital System Design (DSD'05)
An Efficient MAC Protocol for Sensor Network Considering Energy Consumption and Information Retrieval Pattern
Porto, Portugal
August 30-September 03
ISBN: 0-7695-2433-8
Y. Ghiassi, Sharif University of Technology
Mohammad M. M. Rad, Sharif University of Technology
Mohammad S Nikjoo, Sharif University of Technology
Ali hesam Mohseni, Sharif University of Technology
Babak H. Khalaj, Sharif University of Technology

A SEnsor Network with Mobile Agents (SENMA) is an architecture proposed for large scale sensor networks in which the access point moves above the network and gathers information from a limited number of nodes. However, the performance of such system is limited by estimation errors and packet errors due to collision.

In this paper, we first derive the equations of distortion in a general scenario and use this model to obtain four best node positions in order to achieve min-max estimation error in a square. In addition, an opportunistic MAC is proposed that considers both collision effects and estimation error based on Channel State Information (CSI). As the simulation results show the proposed scheme achieves an optimum estimation with minimum collision and energy consumption.

Citation:
Y. Ghiassi, Mohammad M. M. Rad, Mohammad S Nikjoo, Ali hesam Mohseni, Babak H. Khalaj, "An Efficient MAC Protocol for Sensor Network Considering Energy Consumption and Information Retrieval Pattern," dsd, pp.261-266, 8th Euromicro Conference on Digital System Design (DSD'05), 2005
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