Massive multiple-input-multiple-output (MIMO) has been regarded as one of the key
technologies for fifth-generation wireless networks, as it can significantly improve both the …

Massive MIMO systems which utilize a large number of antennas in base stations focus on
fully exploiting spatial resources, improving the performance of spectral efficiency and …

The pilot contamination is a serious problem which hinders the capacity increasing in the
massive MIMO system. Similar to Fractional Frequency Reuse (FFR) in the OFDMA system …

In multiple input multiple output orthogonal frequency division multiplexing (MIMO-OFDM)
frameworks, the channel state data ought to be known by the beneficiary for acquiring …

Wireless communication technology has developed many folds over the past few years. One
of the techniques to enhance the data transfer rates is called Multiple Input Multiple Output …

This paper investigates the resource allocation problem for a virtualized wireless network
(VWN) in which each base station (BS) is equipped with a large number of antennas and …

The unprecedented growth in the number of wireless devices and applications, along with
the advent of machine-type communication devices, has constrained current wireless …

In this chapter, we address the resource allocation problem in a VWN with massive MIMO at
the BS. Specifically, we focus on the imperfect CSI estimation scenario in a massive MIMO …