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In recent years, Radio Frequency IDentification (RFID) technology has moved from obscurity into mainstream applications that speed up in identifying objects (e.g. manufactured goods, healthcare services, etc.) which affect user's daily life. However, there are several issues arises such as RFID tag collision problem which occurs due to the usage characteristics of radio frequency communication. Therefore, to answer these issues, the authors proposed the tag identification method which uses a multi-reader to minimize tag collision and to reduce the tag recognition time. The proposed method analyze the tag recognition time by applying the Adaptive Group Separation (AGS) algorithm. Based on their experimental results, the proposed method shows the improvement rate of over 40% increased on processing time.
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