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Subpacketization-Beamformer Interaction in Multi-Antenna Coded Caching by Salehi, MohammadJavad; Tölli, Antti; Shariatpanahi, Seyed Pooya is a scholarly article available to read on EtoBox.

What is Subpacketization-Beamformer Interaction in Multi-Antenna Coded Caching about?

We study the joint effect of beamformer structure and subpacketization value on the achievable rate of cache-enabled multi-antenna communications at low-SNR. A mathematical approach with low-SNR approximations is used, to show that using simplistic beamformer structures, increasing subpacketization degrades the achievable rate; in contrast to what has been shown in the literature for more complex, optimized beamformer structures. The results suggest that for improving the low-SNR rate, subpacketization and beamformer complexity should be jointly increased.

Author

Salehi, MohammadJavad; Tölli, Antti; Shariatpanahi, Seyed Pooya

Published

2019

Language

EN