Survey on Symbiotic Radio: A Paradigm Shift in Spectrum Sharing and Coexistence
Muhammad Bilal Janjua, Huseyin Arslan

TL;DR
This survey explores symbiotic radio (SRad) as an innovative paradigm for spectrum sharing and coexistence, especially for IoT devices, highlighting its potential to enhance spectrum efficiency and enable dependent coexistence.
Contribution
It provides a comprehensive overview of SRad, including its background, role in spectrum sharing, and future research directions, which is a novel synthesis in this emerging field.
Findings
SRad enables dependent coexistence between radio systems.
It leverages passive radio systems for spectrum sharing.
SRad has potential applications in IoT connectivity and green communications.
Abstract
Sixth-generation (6G) of mobile communication aims to connect this world digitally through green communication networks that provide secure, ubiquitous, and unlimited connectivity in an attempt to improve the overall quality of life.The driving force behind the development of these networks is the rapid evolution of Internet-of-Things (IoT), which has stimulated the proliferation of wireless applications in health,education, agriculture, utilities, etc. However, these applications are accompanied by the deployment of a massive number of IoT devices that require a significant radio spectrum for wireless connectivity. IoT devices usually have low data rate requirements and limited power provision but desirably a long life.Recently, the development of passive radio systems has opened new paradigms of spectrum sharing and coexistence. These systems utilize the radio resources and…
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Taxonomy
TopicsEnergy Harvesting in Wireless Networks · Advanced MIMO Systems Optimization · Cognitive Radio Networks and Spectrum Sensing
