Physical Layer Research in 5G Wireless Networks requires focus on some key areas where most of the challenges arise.
- Millimeter wave
- Massive MIMO Systems
- Full Duplex Radio Technology
Some of the key points and highlights in these areas you can see below.
The above table is from M. Agiwal, A. Roy and N. Saxena, "Next Generation 5G Wireless Networks: A Comprehensive Survey," in IEEE Communications Surveys & Tutorials, vol. 18, no. 3, pp. 1617-1655, thirdquarter 2016. doi: 10.1109/COMST.2016.2532458 Click here for reference.