In the bustling world of wireless communication, a quiet revolution is brewing, one that could significantly impact the energy sector and beyond. Researchers have been exploring the potential of backscatter networks, which use radio frequency identification (RFID) tags to communicate by absorbing and reflecting ambient electromagnetic waves. These networks are particularly promising for large-scale deployments in complex environments, but they face challenges like multipath effects and channel fading that can hinder performance. Enter ZHANG Tong, a researcher from the College of Computer Science and Technology at Taiyuan University of Technology in China, who has developed an innovative solution to these problems.
ZHANG’s research, published in the journal Taiyuan Ligong Daxue xuebao (translated to English as the Journal of Taiyuan University of Technology), introduces an algorithm called Rate Adaptation Based on Frequency Shift (RAFS). This algorithm addresses two critical issues in backscatter networks: the timeliness of the rate adaptation trigger and the universality of the rate selection scheme.
“In the past few years, rate adaptation research has faced challenges with poor timeliness and universality,” ZHANG explains. “Our algorithm tackles these issues head-on by designing a trigger based on frequency shift volatility and implementing a rate switching scheme according to the time difference of two packets.”
The results of ZHANG’s experiments are promising. The RAFS algorithm shows significant improvements in system throughput, particularly in dynamic environments where tags are in motion. Overall, the system throughput improved by about 15% compared to using FM0 coding alone. This enhancement could have substantial commercial impacts, especially in the energy sector, where efficient data communication is crucial for monitoring and managing infrastructure.
The energy sector stands to benefit immensely from this research. Backscatter networks can be used for monitoring energy consumption, managing smart grids, and even tracking assets in large industrial complexes. The improved throughput and reliability offered by RAFS could lead to more efficient operations, reduced energy waste, and better decision-making based on real-time data.
Moreover, the universality of the RAFS algorithm means it can be applied across various commercial readers, making it a versatile tool for different industries. “Our goal is to make rate adaptation more timely and universally applicable,” ZHANG states. “This will not only improve the performance of backscatter networks but also make them more accessible for a wide range of applications.”
As the energy sector continues to evolve, the need for robust and efficient communication networks becomes increasingly critical. ZHANG’s research offers a glimpse into the future of wireless communication, where backscatter networks play a pivotal role in enhancing operational efficiency and sustainability. With further development and implementation, RAFS could become a cornerstone technology in the energy sector and beyond, shaping the way we communicate and manage data in an increasingly connected world.

