IMPACT OF RADIO PROPAGATION MODELS ON A CROSS-LAYER PROTOCOL TO PROVISION QoS IN WIRELESS MULTIMEDIA SENSOR NETWORKS

Alper K. DEMIR

Yazarlar

Alper K. DEMIR Dept. of Computer Engineering Adana Alparslan Turkes Science and Technology University, Adana, Turkey

Anahtar Kelimeler:

Wireless multimedia sensor networks, multimedia, QoS, radio propagation model

Özet

Wireless multimedia sensor networks (WMSNs) depend upon novel Quality of Service (QoS) protocols for real-time and multimedia applications because of having limited resources and inherent features. In this paper, we examine the impact of radio propagation models, namely Friis Free Space, 2 Ray Ground and Hata Urban, on a cross-layer protocol, XLCP, to offer QoS in Wireless Multimedia
Sensor Networks. XLCP, unifying network routing and MAC functionalities, is a cross-layer protocol that enables scalable service differentiation. Performance results indicate that radio propagation models influence QoS level in simulations for XLCP protocol. As far as we know, both exploring the impact of physical layer propagation model on the higher layer protocols and development of physical layer aware protocols are still an unexplored area.

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IMPACT OF RADIO PROPAGATION MODELS ON A CROSS-LAYER PROTOCOL TO PROVISION QoS IN WIRELESS MULTIMEDIA SENSOR NETWORKS

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