Cross-layer QOS architecture for 4G heterogeneous network services

Authors:
Jiann-Liang Chen;Ming-Chiao Chen;Shih-Wei Liu;Jyun-Yu Jhuo
Affiliations:
Department of Electrical Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan;Department of Computer Science and Information Engineering, National Taitung University, Taitung, Taiwan;Institute of Computer Science and Information Engineering, National Dong Hwa University, Hualien, Taiwan;Institute of Computer Science and Information Engineering, National Dong Hwa University, Hualien, Taiwan
Venue:
ICACT'09 Proceedings of the 11th international conference on Advanced Communication Technology - Volume 1
Year:
2009

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Abstract

The limited ability of conceptual layers to exploit the nature of mobile communications has led to cross-layer solutions that allow optimal operations for heterogeneous wireless network services. This study proposes a cross-layer-based Quality-of-Service (QoS) architecture that includes the QoS engine and the cross-layer algorithm. The QoS engine is composed of the QoS daemon, QoS agent and control module to guarantee high-quality wireless multimedia services in 4G heterogeneous environment; the cross-layer QoS algorithm monitors and adjusts network resources periodically. Simulation results indicate that the average packet loss and average latency are lower by about 8.5% and 2%, respectively, than those achieved without the cross-layer architecture, while the throughput is slightly lower.