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Scalable Video Transmission over Cognitive Radio Networks Using LDPC Code

Volume 8, Number 2, March 2012 - Paper 5 - pp. 161-172

JINGFANG HUANG1, HONGGANG WANG1, XIAOLE BAI2, WEI WANG3, and HONG LIU1

1 Department of Electrical and Computer Engineering, University of Massachusetts, Dartmouth, MA 02747, USA
2 Department of Computer Information Sciences, University of Massachusetts, Dartmouth, MA 02747, USA
3 Department of Electrical Engineering and Computer Science, South Dakota State University, Brookings, SD 57007, USA

(Received on December 2, 2010, revised on May 15 and September 4, 2011)

Abstract:

Either licensed or un-licensed spectrum resource is becoming increasingly demanding by many multimedia applications which are traffic intensive and quality sensitive. Cognitive Radio (CR) network offers a promising solution to meet this demand by fully utilizing available spectrum resource. In this paper, we studied a scalable video transmission scheme using LDPC code over Cognitive Radio networks, which allows Primary User (PU) and Secondary Users (SU) to fully utilize current unused resources and is to meet Quality-driven video transmission requirements. Specifically, the object-based scalable video coding and low-density parity-check (LDPC) coding are designed jointly for resisting channel errors and reducing the delay. We evaluate the performance of the proposed multimedia system and demonstrate the efficiency of the proposed scheme.

 

References: 29

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