Chapter 2
5G Enabling Technologies: Small Cells, Full-Duplex Communications, and Full-Dimension MIMO Technologies
Mosa Ali Abu-Rgheff,
Mosa Ali Abu-Rgheff
University of Plymouth, Centre for Security, Communications and Network Research, United Kingdom
Search for more papers by this authorBook Author(s):Mosa Ali Abu-Rgheff,
Mosa Ali Abu-Rgheff
University of Plymouth, Centre for Security, Communications and Network Research, United Kingdom
Search for more papers by this authorSummary
This chapter presents a comprehensive coverage on some of the key enabling technologies that derive 5G networks. It introduces the rationale for these technologies, applying the principles of digital communication pioneered by Shannon's theory. The chapter considers heterogeneous technology. The fronthaul is logically re-configurable to implement appropriate transmission schemes. The chapter explains and analyses these technologies. It also analyses the probability of outage on the downlink (DL) cache-enable small base-stations (SBSs) with respect to the cache storage, and illustrates SBSs intensity. Schemes for reducing self-interference, together with the infrastructure for full-duplex (FD) transmission on the DL, and the FD multiple access channel protocol for the uplink, are all analysed. The chapter reviews the reference signals, antenna ports, and physical channels. The FD-multiple-input multiple-output (MIMO) technology is described and analysed in terms of individual user signal-to-interference plus noise powers ratio to show the increase in system capacity. The chapter assesses the issues relating to FD-MIMO technology.
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