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An Energy Efficiency Perspective on Massive MIMO Quantization
Muris Sarajlić, Liang Liu, Ove Edfors
One of the basic aspects of Massive MIMO (MaMi) that is in the focus of current investigations is its potential of using low-cost and energy-efficient hardware. It is often claimed…
Reciprocity Calibration for Massive MIMO: Proposal, Modeling and Validation
Joao Vieira, Fredrik Rusek, Ove Edfors +3
This paper presents a mutual coupling based calibration method for time-division-duplex massive MIMO systems, which enables downlink precoding based on uplink channel estimates. Th…
Improving practical sensitivity of energy optimized wake-up receivers: proof of concept in 65nm CMOS
Nafiseh Seyed Mazloum, Joachim Neves Rodrigues, Oskar Andersson +2
We present a high performance low-power digital base-band architecture, specially designed for an energy optimized duty-cycled wake-up receiver scheme. Based on a careful wake-up b…