Single carrier modulation (SCM) schemes are attractive for uplink (UL) transmissions due to
improved power efficiency at the user equipment (UE) transmitter compared with multi …

Frequency domain (FD) multi-user detection (MUD) has been shown to be an effective
means of approaching the theoretical per-user capacity for single carrier modulation (SCM) …

The use of one-bit analog-to-digital converter (ADC) has been considered as a viable
alternative to high resolution counterparts in realizing and commercializing massive multiple …

By processing in the frequency domain (FD), massive MIMO systems can approach the
theoretical per-user capacity using a single carrier modulation (SCM) waveform with a cyclic …

In this paper, we develop two high-resolution channel estimation schemes based on the
estimating signal parameters via the rotational invariance techniques (ESPRIT) method for …

In this paper, by considering the average mean squared error (AMSE) of channel estimation,
we primarily obtain the closed-from expressions of the probability density function (PDF) and …

In massive MIMO systems, the high complexity of signal detection comes mainly from
computing a Gram matrix and its inversion. In this correspondence, we propose a low …

We consider the problem of degradation in performance of multi-carrier multi-user massive
MIMO systems when channel induced Doppler spread is high. Recently, Orthogonal Time …

A data-assisted channel estimation scheme to exploit the temporal channel correlation in
massive multiple-input multiple-output uplink transmission is proposed. Specifically, the …

The focus of this letter is on the reduction of the large pilot overhead in orthogonal frequency
division multiplexing (OFDM) based massive multiple-input multiple-output (MIMO) systems …