Research Repository

Intelligent Bandwidth Allocation of IPTV Streams with Bitstream Complexity Measures

Moiron, Sandro and Razavi, Rouzbeh and Fleury, Martin and Ghanbari, Mohammed (2013) 'Intelligent Bandwidth Allocation of IPTV Streams with Bitstream Complexity Measures.' International Journal of Handheld Computing Research, 4 (3). 41 - 62. ISSN 1947-9166

Full text not available from this repository. (Request a copy)

Abstract

IPTV video services are increasingly being considered for delivery to mobile devices over broadband wireless access networks. The IPTV streams or channels are multiplexed together for transport across an IP core network prior to distribution across the access network. According to the type of access network, prior bandwidth constraints exist that restrict the multiplex data-rate. This paper presents a bandwidth allocation scheme based on content complexity to equalize the overall video quality of the IPTV sub-streams, in effect a form of statistical multiplexing. Bandwidth adaptation is achieved through a bank of bit-rate transcoders. Complexity metrics serve to estimate the appropriate bandwidth share for each stream, prior to distribution over a wireless or ADSL access network. These metrics are derived after entropy decoding of the input compressed bit-streams, without the delay resulting from a full decode. Fuzzy-logic control serves to adjust the balance between spatial and temporal coding complexity. The paper examines constant and varying bandwidth scenarios. Experimental results show a significant overall gain in video quality in comparison to a fixed bandwidth allocation.

Item Type: Article
Divisions: Faculty of Science and Health > Computer Science and Electronic Engineering, School of
Depositing User: Elements
Date Deposited: 31 Jul 2019 09:03
Last Modified: 31 Jul 2019 09:15
URI: http://repository.essex.ac.uk/id/eprint/22701

Actions (login required)

View Item View Item