5G has the potential to become the future communication technology as it has the capability to provide faster download speeds, extremely low latency, and higher capacity. The deployment of 5G will be as a wi-fi that will cover the entire globe. It will serve an elevated number of devices than the previous technology; therefore, the distribution of radiofrequency electromagnetic fields (RF-EMF) will grow rapidly. Although no direct adverse effect has been reported by the service providers, the real health impact of this advanced technology is still under investigation. It is expected that the mm-wave frequency range (30-300 GHz) is ideal for 5G technology, and the devices, in this operating range, will work at very low power due to which small penetration is supposed to occur, but it will require a high density of small cells. It will increase the chances of human exposure to RF-EMF. In this chapter, a theoretical framework is used to describe the effect of 5G technology on humans and animals and also the rumors related to the adaptation of 5G technology.

In the 21st century, the digital world has taken over law and politics. Political war is on online platforms, and various decisions are made based on the digital data. Another problem is to provide security of online data. Most of the world is unsatisfied with the government and policymakers. A lack of satisfaction among the people leads towards civil war or it can cause the fall of an entire selected government, or it can collapse the law systems of the world. To cope with this problem, the authors propose the judge-based political system (JBPS). The new political system can deal with the advancement of technology and cybersecurity. Judge-based politics will help to control this type of threat and provide satisfaction in the upcoming era of democracy.

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This chapter specifies a concise review of recent research and development in the context of reconfigurable antenna. An attempt has been made to elaborate the distinct types of the 5G reconfigurable antenna with vital technique of the reconfigurability since from its evolution. Several significant prospects of 5G antennas are described to enhance antenna characteristics. Some basic concepts, theories, advantages, disadvantages, applications, and requirements of the Adaptive and MIMO antenna are discussed along with historical accomplishments. These systems can be the promising candidates for next generation network. This paper also provides a futuristic glimpse of UM-MIMO for 6G purpose.

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