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cs.IT2022
Activity Detection in Distributed Massive MIMO With Pilot-Hopping and Activity Correlation
Ema Becirovic, Emil Björnson, Erik G. Larsson
Many real-world scenarios for massive machine-type communication involve sensors monitoring a physical phenomenon. As a consequence, the activity pattern of these sensors will be c…
cs.IT2022
Optimal MIMO Combining for Blind Federated Edge Learning with Gradient Sparsification
Ema Becirovic, Zheng Chen, Erik G. Larsson
We provide the optimal receive combining strategy for federated learning in multiple-input multiple-output (MIMO) systems. Our proposed algorithm allows the clients to perform indi…