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Appl. Sci. 2016, 6(3), 88; doi:10.3390/app6030088

A Pre-Scheduling Mechanism in LTE Handover for Streaming Video

Department of Computer Science and Engineering, National Sun Yat-sen University, Kaohsiung 80424, Taiwan
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Author to whom correspondence should be addressed.
Academic Editor: Christos Verikoukis
Received: 14 February 2016 / Revised: 11 March 2016 / Accepted: 14 March 2016 / Published: 21 March 2016
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Abstract

This paper focuses on downlink packet scheduling for streaming video in Long Term Evolution (LTE). As a hard handover is adopted in LTE and has the period of breaking connection, it may cause a low user-perceived video quality. Therefore, we propose a handover prediction mechanism and a pre-scheduling mechanism to dynamically adjust the data rates of transmissions for providing a high quality of service (QoS) for streaming video before new connection establishment. Advantages of our method in comparison to the exponential/proportional fair (EXP/PF) scheme are shown through simulation experiments. View Full-Text
Keywords: LTE (Long Term Evolution); handover; quality of service (QoS); scheduling; streaming video LTE (Long Term Evolution); handover; quality of service (QoS); scheduling; streaming video
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Lai, W.-K.; Tai, C.-K.; Su, W.-M. A Pre-Scheduling Mechanism in LTE Handover for Streaming Video. Appl. Sci. 2016, 6, 88.

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