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Massive multiple-input multiple-output (MIMO) is a potential candidate key technology for the 5G of wireless communication systems. In research to date, different power loss and shadowing effects on different antenna elements across the large arrays have been neglected. In this paper, based on an idealized propagation model, a new large scale attenuation (LSA) model is proposed, by which the large...
Massive multiple-input multiple-output (MIMO) is a potential candidate key technology for the fifth generation of wireless communication systems. In previous research, different power loss and shadowing effects on different individual antenna elements have been neglected. When characterizing the channel of a massive MIMO system and investigating the system performance, the large scale attenuation...
Massive multiple-input multiple-output (MIMO) is a potential candidate key technology for the fifth generation of wireless communication systems. In this paper, we characterize the geometry based large scale attenuation over a linear massive MIMO system. An extended large scale attenuation matrix is proposed, by which the large scale losses over the antenna array can be considered when establishing...
The digital method for symbol timing recovery has been used for several years and many scholars have proposed a great deal of methods for it. This paper describes the fundamentals of interpolation for timing recovery, and compares the differences between the two upsampling: zero-insertion expander and zero-order-hold expander used before the symbol timing interpolation. It is shown that, through simulation,...
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