Multi-access Coded Caching from a New Class of Cross Resolvable Designs

01/31/2021

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by   Pooja Nayak Muralidhar, et al.

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Multi-access coded caching schemes from cross resolvable designs (CRD) have been reported recently <cit.>. To be able to compare coded caching schemes with different number of users and possibly with different number of caches a new metric called rate-per-user was introduced and it was shown that under this new metric the schemes from CRDs perform better than the Maddah-Ali-Niesen scheme in the large memory regime. In this paper a new class of CRDs is presented and it is shown that the multi-access coded caching schemes derived from these CRDs perform better than the Maddah-Ali-Niesen scheme in the entire memory regime. Comparison with other known multi-access coding schemes is also presented.