NDLI: Measurement Based Channel-Adaptive Video Streaming for Mobile Devices over Mobile WiMAX

Content Provider	IEEE Xplore Digital Library
Author	Hye-Soo Kim Hyeong-Min Nam Jae-Yun Jeong Soo-Hyung Kim Sung-Jea Ko
Copyright Year	1975
Abstract	The channel bandwidth variation and the disconnection during handoff are the most critical problems which degrade the video quality in wireless video streaming. To cope with these problems, we propose an efficient video streaming method in this paper, which does not only dynamically adjust the video transmission rate based on the channel bandwidth, but also minimize the error propagation during handoff. First, the channel bandwidth of the mobile worldwide interoperability for microwave access, called WiMAX, is estimated by analyzing channel parameters including the carrier to interference and noise ratio (CINR) and the handoff is detected by using the handoff occurrence message (HOM). Second, the streaming server adjusts the next transmission rate according to the estimated channel bandwidth to avoid the network congestion and performs the intra refresh method that inserts an intra frame (l-frame) right after handoff by using the HOM to reduce the error propagation effectively. Experimental results indicate that the proposed method can improve the performance of the video streaming over mobile WiMAX.
Sponsorship	IEEE Consumer Electronics Society
File Size	1850665
File Format	PDF
ISSN	00983063
Volume Number	54
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-02-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Streaming media WiMAX Bandwidth Wireless networks Degradation Wireless communication Microwave propagation Interference Signal to noise ratio Network servers
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Media Technology

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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