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Massive MIMO for Maximal Spectral Efficiency: How Many Users and Pilots Should Be Allocated?
Emil Björnson, Erik G. Larsson, Mérouane Debbah
Massive MIMO is a promising technique to increase the spectral efficiency (SE) of cellular networks, by deploying antenna arrays with hundreds or thousands of active elements at th…
Improving the Performance of the Zero-Forcing Multiuser MISO Downlink Precoder through User Grouping
Saif Khan Mohammed, Erik G. Larsson
We consider the Multiple Input Single Output (MISO) Gaussian Broadcast channel with antennas at the base station (BS) and single-antenna users in the downlink. We propo…
Optimizing Multi-Cell Massive MIMO for Spectral Efficiency: How Many Users Should Be Scheduled?
Emil Björnson, Erik G. Larsson, Mérouane Debbah
Massive MIMO is a promising technique to increase the spectral efficiency of cellular networks, by deploying antenna arrays with hundreds or thousands of active elements at the bas…
Massive MIMO with Optimal Power and Training Duration Allocation
Hien Quoc Ngo, Michail Matthaiou, Erik G. Larsson
We consider the uplink of massive multicell multiple-input multiple-output systems, where the base stations (BSs), equipped with massive arrays, serve simultaneously several termin…
Massive MIMO with 1-bit ADC
Chiara Risi, Daniel Persson, Erik G. Larsson
We investigate massive multiple-input-multiple output (MIMO) uplink systems with 1-bit analog-to-digital converters (ADCs) on each receiver antenna. Receivers that rely on 1-bit AD…
Aspects of Favorable Propagation in Massive MIMO
Hien Quoc Ngo, Erik G. Larsson, Thomas L. Marzetta
Favorable propagation, defined as mutual orthogonality among the vector-valued channels to the terminals, is one of the key properties of the radio channel that is exploited in Mas…