Complete Interference Mitigation through Receiver-Caching in Wyner's Networks

Autor: Roy Timo, Shlomo Shamai, Michele Wigger
Přispěvatelé: Communications Numériques (COMNUM), Laboratoire Traitement et Communication de l'Information (LTCI), Institut Mines-Télécom [Paris] (IMT)-Télécom Paris-Institut Mines-Télécom [Paris] (IMT)-Télécom Paris, Département Communications & Electronique (COMELEC), Télécom ParisTech, HAL, TelecomParis
Jazyk: angličtina
Rok vydání: 2016
Předmět:
Zdroj: IEEE Information Theory Workshop 2016
IEEE Information Theory Workshop 2016, Sep 2016, Cambridge, United Kingdom
ITW
Popis: We present upper and lower bounds on the per-user multiplexing gain (MG) of Wyner's circular soft-handoff model and Wyner's circular full model with cognitive transmitters and receivers with cache memories. The bounds are tight for cache memories with prelog $\mu\geq 2/3D$ in the soft-handoff model and for $\mu \geq D$ in the full model, where $D$ denotes the number of possibly demanded files. In these cases the per-user MG of the two models is $1+\mu/D$, the same as for non-interfering point-to-point links with caches at the receivers. Large receiver cache-memories thus allow to completely mitigate interference in these networks.
Comment: Submitted to ITW 2016 in Cambridge
Databáze: OpenAIRE