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Communication Dans Un Congrès Année : 2017

Wyner-Ziv nested lattice coding for single-cell multicast service delivery

Résumé

This paper addresses the problem of single-cell point-to-multipoint communications. We consider a base station that needs to transmit a common information to a group of users. We propose a layered Wyner-Ziv coding (WZC) scheme based on nested lattice quantization. In our scheme, we use the base layer generated by a standard coder as the decoders side information. Then, WZC is performed for quality enhancement of the transmitted message. With the proposed layered coding, multiple refinement messages will be generated. The layered messages can be decoded each by a subgroup of users based on their channel conditions. We optimize the scheme parameters in order to maximize the end-to-end multicast rate and minimize the reconstruction distortions experienced at each subgroup of users. Numerical results show that our scheme performs well when compared with the basic multicasting scheme
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Dates et versions

hal-01710971 , version 1 (16-02-2018)

Identifiants

Citer

Sinda Smirani, Juwendo Denis, Bakarime Diomande, Badii Jouaber. Wyner-Ziv nested lattice coding for single-cell multicast service delivery. PIMRC 2017 : IEEE 28th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications, Oct 2017, Montreal, Canada. pp.1 - 5, ⟨10.1109/PIMRC.2017.8292341⟩. ⟨hal-01710971⟩
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