关键词: 射频识别（RFID）技术, 微型传感器, 信息收集, 无线通信

Abstract: With the rapid development of RFID technology, integrated with micro sensors’ tags are become increasingly popular. Reason is that they can not only provide their unique IDs, but also report dynamic, real-time information about the status of the homologous tags or the conditions of the environment, which is beneficial to many practical applications. For such application, this paper studies how to categorically collect such information quickly and efficiently, the core idea of this protocol is to use the conflict time slot of the same category tags, and then complete the tags information collection process. Theoretical analysis and simulation results show the effectiveness of protocol, compared with other methods, the protocol greatly saves the consumed time.

Key words: Radio Frequency Identification（RFID）, micro sensor, information collection, wireless communication