The advent of the 6th generation mobile communications (6G) will not only open a new chapter in communications technology, but will also lead to an explosive increase in the use of low-power sensors. According to a study by IHS Markit, the number of global IoT devices is expected to reach 125 billion by 2030, growing at an annual rate of 12%. These changes are directly related to the development of the Internet of Things (IoT), and RF wireless charging technology will play a key role in continuously charging and activating these low-power sensors.

The importance of low-power sensors

6G networks will provide data rates and connectivity at least 10 times higher than existing 5G networks, enabling numerous low-power sensors to collect and transmit data in real time. These sensors provide critical information in a variety of fields, including smart cities, autonomous vehicles, and telemedicine, and will drive technological progress in modern society.

The role of RF wireless charging

Low-power sensors that play such an important role require a continuous supply of energy. RF wireless charging technology is the most effective solution to provide stable and continuous energy to these sensors. RF charging allows sensors to operate continuously without the hassle of battery replacement or wired charging, significantly improving efficiency and reliability under 6G networks.

Synergy between 6G and RF charging

The combination of 6G networks and RF wireless charging technology creates an environment where low-power sensors can operate more efficiently and reliably. This will soon bring about positive changes throughout society, such as improving the operational efficiency of smart cities, increasing the safety of autonomous vehicles, and improving the accuracy of remote medical services.

Technical challenges and future prospects

There are still technical challenges that must be overcome to effectively apply RF wireless charging technology to low-power sensors. For example, efficient energy transfer between Tx and RX over a wide range, miniaturization of sensors, and improved energy efficiency are required. If these challenges are overcome, 6G and RF wireless charging technology will greatly contribute to building a smart society based on low-power sensors.

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