Power-Aware and QoS Provisioned Real Time Multimedia Transmission in Small Cell Networks

Christos Bouras, Anastasios Bikos, Dimitrios Bilios and Antonios Alexiou
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Christos Bouras: Computer Engineering and Informatics Department, University of Patras, Patras, Greece & Computer Technology Institute & Press “Diophantus”, Patras, Greece
Anastasios Bikos: University of Surrey, Guildford, UK
Dimitrios Bilios: Computer Technology Institute & Press “Diophantus”, Computer Engineering and Informatics Department, University of Patras, Patras, Greece
Antonios Alexiou: Greek Ministry of Finance, Athens, Greece

International Journal of Wireless Networks and Broadband Technologies (IJWNBT), 2016, vol. 5, issue 1, 24-45

Abstract: The recent emergence of ultra-high-speed and high-definition data and video services has pushed wireless network capacity to its limits. Cellular network capacity is therefore a valuable resource, whereas indoor coverage poses itself as a challenging issue. At the same time, real-world paradigms of multimedia transmission require effective Quality-of-Service (QoS) provisioning as well as power admission. To confront issues like delay-sensitive QoS requirements and traffic provisioning, as well as meet the mobile customer needs, this paper presents a traffic-aware Orthogonal Frequency-Division Multiple-Access (OFDMA) hybrid small-cell deployment for QoS provisioning and an optimal admission control strategy for 4G cellular systems. The traffic awareness in the proposed framework is provided by a utility function, which differentiates the traffic QoS levels with the user's grouping priority indexes, channel conditions, and traffic characteristics. To further enhance the proposed framework, an admission power control algorithm based on an efficient algorithm handover is also proposed.

Date: 2016
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