A REVIEW ON RADIO OVER FIBER SYSTEMS FOR LONG DISTANCE COMMUNICATION

Abstract

Recently wireless communication became very vital such that without it, it will be impossible to imagine the human life because it is extensively utilized in several civilian and military applications. These applications include transmission of various image types, high-quality video streaming, online meetings as well as novel bandwidth-intensive user applications like YouTube, Facebook, Netflix, etc. Because the radio signals have a limited bandwidth and are susceptible to atmospheric noise and distortion, they cannot provide bandwidth intensive applications and long distance communications. To provide the recipient of the radio signals to long distances, an advanced optical fiber technology known as Radio over Fiber (RoF) can be utilized faithfully. RoF is technology that modulates the light signal by radio signal and transmit it across a fiber optic link to extend the transmission and wireless access. Currently, this technology has become matured technology in terms of coverage, security and reliability. The RoF system has been implemented for the enhanced performance radio system having larger bandwidth for mobile communications. In addition, these systems have various advantages over traditional systems including higher bandwidth, easy Installation and Maintenance, lower attenuation, dynamic resource allocation, immunity against the RF interference and can transfer high frequency signals that support 5G and beyond 5G network technologies. This paper provides a comprehensive review on the currently existing RoF systems for long distance communication.