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arXiv · 1808.00653

Energy-Efficiency Gains of Caching for Interference Channels

Jad Hachem·Urs Niesen·Suhas Diggavi
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Abstract

This paper initiates the study of energy-efficiency gains provided by caching. We focus on the cache-aided Gaussian interference channel in the low-SNR regime. We propose a strategy that creates content overlaps at the transmitter caches to allow for co-operation between the transmitters. This co-operation yields a beamforming gain, which has to be traded off against a multicasting gain. We evaluate the performance of this strategy and show its approximate optimality in both the single-receiver case and the single-transmitter case.

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Jad Hachem, Urs Niesen, Suhas Diggavi. 2018-08-02. Energy-Efficiency Gains of Caching for Interference Channels. https://arxiv.org/abs/1808.00653

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