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Power-Aware and QoS Provisioned Real Time Multimedia Transmission in Small Cell Networks
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Author(s): 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)and Antonios Alexiou (Greek Ministry of Finance, Athens, Greece)
Copyright: 2016
Volume: 5
Issue: 1
Pages: 22
Source title:
International Journal of Wireless Networks and Broadband Technologies (IJWNBT)
DOI: 10.4018/ijwnbt.2016010102
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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.
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