On the multiway relay channel with direct links

Anne Savard (1) , Claudio Weidmann (1)

1 ETIS - UMR 8051 - Equipes Traitement de l'Information et Systèmes

This paper studies the extension of the multiway relay channel model with restricted encoders (introduced by Gündüz et al.) by adding unit-gain intra-cluster links. In this model, multiple clusters of users communicate with the help of one relay and the users within a cluster wish to exchange messages among themselves. We obtain achievable rates and gaps to the cut-set bound as a function of the number of users and the cluster-to-relay gain g.

Domaines: Théorie de l'information et codage [math.IT]; Théorie de l'information [cs.IT]

Anne Savard, Claudio Weidmann. On the multiway relay channel with direct links. 2014 IEEE Information Theory Workshop (ITW), Nov 2014, Hobart, Australia. pp.651-655, ⟨10.1109/ITW.2014.6970912⟩. ⟨hal-01260524⟩