JOURNAL OF MULTIMEDIA (JMM)
ISSN : 1796-2048
Volume : 2    Issue : 2    Date : April 2007

Adaptive Streaming of MPEG-based Audio/Video Content over Wireless Networks
Marek Burza, Jeffrey Kang, and Peter van der Stok
Page(s): 17-27
Full Text:
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Abstract
This paper describes a method for robust streaming of combined MPEG audio/video content
(encoded either with MPEG-2 or MPEG-4/H.264) over in-home wireless networks. We make use of
currently used content distribution format (MPEG Transport Stream) and network protocols (either
RTP or TCP/HTTP). The transmitted bit-rate is constantly adapted to the available network
bandwidth, such that audio and video artifacts caused by packet loss are avoided. Bit-rate
adaptation is achieved by using a packet scheduling technique called I-Frame Delay (IFD), which
performs priority-based frame dropping upon insufficient bandwidth. We show an implementation
using RTP and an implementation using TCP. Measurements on a real-life demonstrator set-up
demonstrate the effectiveness of our approach.

Index Terms
adaptive video streaming, wireless networks, MPEG, H.264, I-Frame Delay