Energy-Aware RFID Anti-Collision Protocol

Sensors

Asier Perallos Ruiz¹  Laura Arjona¹  Hugo Landaluce Simon¹ 

[1] Faculty of Engineering, University of Deusto and DeustoTech-Fundacion Deusto, Deusto Foundation, 48007 Bilbao, Spain;

关键词: radio frequency identification;    EPC-global standard;    anti-collision;    tag estimation;    energy-aware;   

DOI  :  10.3390/s18061904

来源: DOAJ

【 摘 要 】

The growing interest in mobile devices is transforming wireless identification technologies. Mobile and battery-powered Radio Frequency Identification (RFID) readers, such as hand readers and smart phones, are are becoming increasingly attractive. These RFID readers require energy-efficient anti-collision protocols to minimize the tag collisions and to expand the reader’s battery life. Furthermore, there is an increasing interest in RFID sensor networks with a growing number of RFID sensor tags. Thus, RFID application developers must be mindful of tag anti-collision protocols. Energy-efficient protocols involve a low reader energy consumption per tag. This work presents a thorough study of the reader energy consumption per tag and analyzes the main factor that affects this metric: the frame size update strategy. Using the conclusion of this analysis, the anti-collision protocol Energy-Aware Slotted Aloha (EASA) is presented to decrease the energy consumption per tag. The frame size update strategy of EASA is configured to minimize the energy consumption per tag. As a result, EASA presents an energy-aware frame. The performance of the proposed protocol is evaluated and compared with several state of the art Aloha-based anti-collision protocols based on the current RFID standard. Simulation results show that EASA, with an average of 15 mJ consumed per tag identified, achieves a 6% average improvement in the energy consumption per tag in relation to the strategies of the comparison.

【 授权许可】

Unknown