Massive multiple‐input multiple‐output (MIMO) is a breakthrough wireless transmission
technique proposed for future wireless standards due to its spectrum and energy …

In this letter, we present the first study for uplink cell-free massive multi-input multi-output
(MIMO) systems with superimposed pilots (SPs). Closed-form linear minimum mean square …

Massive multiple-input multiple-output (MIMO) is a crucial technology platform for the fifth-
generation of cellular systems (5G). However, massive MIMO systems are affected by pilot …

Massive multiple input multiple output (Ma-MIMO) is one of the basic enabler technologies
for 5 G wireless communication networks to provide higher spectral efficiency (SE) by using …

Massive multiple-input and multiple-output (MIMO) systems have draw a lot of attention, due
to its outstanding performance in energy saving and spectrum efficiency [1]. In massive …

Massive multiple-input multiple-output (MIMO) is a viable technology to improve the spectral
efficiency (SE) by spatially multiplexing several users. A potential limitation of Massive MIMO …

Massive multiple-input, multiple-output (M-MIMO) is an important knowledge for fifth-
generation (5G) wireless cellular networks. The pilot contamination (PC) is an issue in …

A massive multiple-input multiple-output (MIMO) system, which utilizes a large number of
antennas at base stations to communicate with multiple user terminals each with a single …

We study the problem of semi-blind channel estimation and symbol detection in the uplink of
multi-cell massive MIMO (multi-input multi-output) systems with spatially correlated time …

Massive MIMO technique offers significant performance gains for the future of wireless
communications via improving the spectral efficiency, energy efficiency and the channel …