Public Safety Networks from LTE to 5G

11Issues and Challenges of 4G and 5G for PS

11.1 Introduction

Communication is one of the most integral components of human living. Not only is communication imperative in people's personal lives, but it has also been a critical component in the social and economic sector of every country and industry that operates globally. With the advent of technical means of connecting people around the world, there has been rapid growth in the means and methodologies of effective communication. One of the most popular is wireless connection of people in different locations. Technological advancement came along with a distinct improvement in communication devices and technologies. Compared to traditional methods of communication, people had to rely on wired devices such as telephones booths and landlines. Technical enhancements came along with wireless communication gadgets such as mobile phones, smartphones, tablets, smart television sets, and sensors, among many others. Such devices require unique technology that powers their communication capability. One of the most critical techniques was wireless broadband. Wireless broadband was a strategy created to create high‐speed wireless connectivity among wireless devices at different locations for fast and reliable services and applications. Wireless broadband technologies were designed to enable public safety regarding interoperable communication, in addition to creating a valid and reliable wireless communication environment and platform. ...