Abstract
Ιn this review article, a comprehensive study is provided regarding the latest achievements in simulation techniques and platforms for fifth generation (5G) wireless cellular networks. In this context, the calculation of a set of diverse performance metrics, such as achievable throughput in uplink and downlink, the mean Bit Error Rate, the number of active users, outage probability, the handover rate, delay, latency, etc., can be a computationally demanding task due to the various parameters that should be incorporated in system and link level simulations. For example, potential solutions for 5G interfaces include, among others, millimeter Wave (mmWave) transmission, massive multiple input multiple output (MIMO) architectures and non-orthogonal multiple access (NOMA). Therefore, a more accurate and realistic representation of channel coefficients and overall interference is required compared to other cellular interfaces. In addition, the increased number of highly directional beams will unavoidably lead to increased signaling burden and handovers. Moreover, until a full transition to 5G networks takes place, coexistence with currently deployed fourth generation (4G) networks will be a challenging issue for radio network planning. Finally, the potential exploitation of 5G infrastructures in future electrical smart grids in order to support high bandwidth and zero latency applications (e.g., semi or full autonomous driving) dictates the need for the development of simulation environments able to incorporate the various and diverse aspects of 5G wireless cellular networks.
Highlights
The deployment of wireless cellular networks back in the early 1980s made feasible communications via portable devices, decoupling call establishment from existing location
System and link level simulators as well as Radio Network Planning (RNP) algorithms should be able to incorporate all the aforementioned bandwidth and network demanding features, for accurate performance evaluation of 5G and B5G networks. As it became clear for the analysis of the previous sections, a complete 5G simulation infrastructure should be able to incorporate various aspects related to physical layer transmission, access control, dynamic network configuration with diverse elements, new bandwidth demanding services and RNP procedures
Several solutions have been proposed in the physical layer in order to support data rate requirements of 5G networks, such as millimeter Wave (mmWave) transmission, massive multiple input multiple output (MIMO) systems, and non-orthogonal multiple access (NOMA) schemes
Summary
The deployment of wireless cellular networks back in the early 1980s made feasible communications via portable devices, decoupling call establishment from existing location. The goal of this review article is to provide all latest achievements on simulation platforms and techniques for 5G interfaces In this context, channel modeling issues for massive MIMO systems and mmWave transmission are discussed, along with simulation and evaluation procedures. Channel modeling issues for massive MIMO systems and mmWave transmission are discussed, along with simulation and evaluation procedures Additional issues, such as Radio Network Planning (RNP) and integration of high bandwidth zero latency applications (e.g., autonomous driving in future electrical smart grids, network recovery after physical disasters, or bandwidth on demand in crowded areas) are discussed as well.
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