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Faculty of Science, University of Brunei Darussalam, Brunei Darussalam   
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IJIEE 2013 Vol.2(6): 918-922 ISSN: 2010-3719
DOI: 10.7763/IJIEE.2012.V2.241

Priority and Network-aware Data Control Scheme to Guarantee the Media Quality in LTE Networks

Dongchil Kim and Kwangsue Chung

Abstract—For efficient streaming over wireless networks, the LTE (Long Term Evolution) system supports the ARQ (Automatic Repeat Request) and HARQ (Hybrid Automatic Repeat Request) schemes. However, there is no specification about how to use the ARQ and HARQ parameters in order to guarantee the media quality. To cope with this problem, this paper presents a PNDC (Priority and Network-aware Data Control) scheme that can improve the quality of streaming contents in LTE networks. The proposed scheme controls the number of HARQ retransmissions in lower MAC layer based on the priority of SVC (Scalable Video Coding) frames. It also dynamically adjusts ARQ retransmission timer in RLC (Radio Link Control) layer according to the adaptive ARQ and HARQ interworking. The experimental result shows that the proposed scheme can significantly improve the media quality.

Index Terms—ARQ, HARQ, LTE, multimedia streaming service.

The authors are with the Communications Engineering Department, Kwangwoon University, Seoul, Korea (e-mail: dckim@cclab.kw.ac.kr, kchung@kw.ac.kr).

[PDF]

Cite: Dongchil Kim and Kwangsue Chung, "Priority and Network-aware Data Control Scheme to Guarantee the Media Quality in LTE Networks," International Journal of Information and Electronics Engineering vol. 2, no. 6, pp. 918-922, 2012.

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