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Joint source channel coding optimization for heterogeneous access networks in multiuser scenario

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4 Author(s)
Laura Toni ; IIT, Italian Institute of Technology, Genova, Italy ; Lorenzo Rossi ; Nazim Agoulmine ; Jean-Guy Fontaine

In a multiple access technologies scenario, aimed at providing the “always best connected” (ABC) service, the future fourth-generation wireless networks will be characterized by an increasing heterogeneity. When a multimedia transmission is considered, the ABC can be improved by the optimization of the source coding. In this work, we propose a joint source channel coding (JSCC) optimization technique, able to adapt the system parameters to channel variations, providing at the same time a high level of scalability of the encoded video bitstream. With the proposed JSCC method, we address the ABC issue in multi-user scenario affected by multiple interference. The results show that, despite the simplicity of the algorithm, the adaptive system experiences an improvement of the performance compared to fixed coding schemes.

Published in:

12th IFIP/IEEE International Symposium on Integrated Network Management (IM 2011) and Workshops

Date of Conference:

23-27 May 2011