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Network Infrastructure Magazine | Friday, April 23, 2021
There is a massive effect of the SDN controller and blockchain operation on network performance.
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FREMONT, CA: The increase and exponential growth in the number of wireless devices due to smartphones and other wireless devices have resulted in an unprecedented rise in mobile traffic, with annual mobile traffic expected to hit 291.8 exabytes in 2021. While this trend is forecasted to increase year on year, studies have shown that about 90 percent of this traffic will be created indoors. 4G long-term evolution (LTE) networks are being stretched to their theoretical limits as mobile network operators are faced with the hurdle of meeting increasing demands for higher data rates, network potential, spectral and energy efficiency.
Firstly, the network complexity accelerates with the increase in BS implementations. Networks are becoming enormous and heterogeneous with various equipment, application, and services offered by different manufacturers. Indeed one of the major drawbacks of current 4G implementations is the non-scalability of central devices such as the evolved packet core, which rolls out a single point of failure, making configuration and management of these large-scale networks complex.
The increased implementation of macro base stations (MBSs) may not be economically viable, specifically meeting the coverage and capability requirements in indoor environments due to building penetration losses. This scenario generates coverage holes, resulting in severe performance degradation and disruption of services and applications. By this method, low latency and real-time uses can be brought closer to end-users through the IT and cloud computing potentials within the radio access networks.
Industry experts believe that 5G networks and beyond will not just be an incremental enhancement over their predecessors but rather a revolutionary leap forward in terms of data rates, latency, connectivity, network reliability, and energy efficiency. In meeting the extreme networking need, especially in indoor scenarios, small cell network implementation has emerged as a very promising solution. Small cells are reduced cost and low power base stations with shorter coverage areas relative to macro base stations. They are often deployed for offloading macro traffic or complement macrocells in dense networks.
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