Reliable, energy-aware cross-layer protocol for wireless sensor networks
نویسنده
چکیده
Author: Ahmed Badi Title: RELIABLE, ENERGY-AWARE CROSS-LAYER PROTOCOL FOR WIRELESS SENSOR NETWORKS Institution: Florida Atlantic University Dissertation Advisor: Dr. Imad Mahgoub Degree: Doctor of Philosophy Year: 2009 This research addresses communication reliability in the highly constrained wireless sensor networks environment. We propose a cross-layer, reliable wireless sensor protocol design. The protocol benefits from the body of research in the two areas of wireless sensors reliability research and wireless sensors energy conservation research. The protocol introduces a new energy saving technique that considers reliability as a design parameter and constraint. The protocol also introduces a new back-off algorithm that dynamically adjusts to the data messages reliability needs. Other cross-layer techniques that the protocol introduces are dynamic MAC retry limit and dynamic transmission power setting that is also based on the messages reliability requirements. Cross layer design is defined as the interaction between the different stack layers with the goal of improving performance. It has been used in ad hoc wireless systems to improve throughput, latency, and quality of service (QoS). The improvements gained
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