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Improving the radio link layer QoS performance for Bluetooth real-time video communications

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2 Author(s)
Zhikui Chen ; Computer Center, Stuttgart Univ., Germany ; Christ, P.

This paper investigates the quality of service (QoS) performance over a Bluetooth radio link for real-time video communications. A bit error control algorithm is proposed for protecting the bit error sensitive data of the latest video codecs as well as the compressed protocol headers. Bit errors and erroneous PDU delivery are analyzed in a Bluetooth link. UDP-Lite and robust protocol header compression (RoHC) are used and integrated into the trial testbed. By sacrificing a small amount of bandwidth in the Bluetooth link, simulations have shown a significant improvement in the video quality in terms of PSNR as demonstrated by some sample video images.

Published in:

Wireless Telecommunications Symposium, 2005

Date of Conference:

April 28-30, 2005

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