Multi-antenna cache-aided channels
Eleftherios Lampiris, Petros Elia · 2021
Chapter Contents: 4.1 Abstract 4.2 The subpacketization bottleneck of coded caching 4.2.1 Coded caching with unbounded file sizes 4.2.2 Exponential subpacketization of coded caching 4.2.3 Algorithmic improvements for reducing subpacketization 4.2.4 Subpacketization bottleneck of separable multiple antenna coded caching 4.3 Setting and notation 4.4 Using multiple antennas to dramatically alleviate the subpacketization bottleneck of coded caching 4.4.1 Impact and insight 4.4.2 Scheme description 4.4.3 Intuition 4.4.4 Extensions 4.5 The feedback bottleneck of multi-antenna systems 4.5.1 Feedback bottleneck of multi-antenna coded caching 4.6 Joint caching and multi-antenna delivery with low CSIT 4.6.1 Scheme description 4.6.2 Additional feedback-related open problems 4.7 Conclusions – further impact of combining multiple transmitters with coded caching 4.7.1 From caching to distributed computing References