Study on RF Channel Selection Method in Low-voltage Electric Data Acquisition System

Radio frequency(RF) communication technology has been applied widely in data acquisition system especially in low-voltage electric area. As a property of RF communication, co-channel interference could not be ignored in improving communication performance. This paper proposes an RF channel selection method based on adaptive sensing to increase acquisition efficiency. The key steps as channel evaluation, adaptive sensing, channel negotiation and power control are given. Both simulation and experiments in advanced metering infrastructure(AMI) are conducted to validate the proposed method.