Timing-Aware RFID Anti-Collision Protocol to Increase the Tag Identification Rate | Zendy

Laura Arjona | Zendy; Hugo Landaluce | Zendy; Asier Perallos | Zendy; Enrique Onieva | Zendy

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Timing-Aware RFID Anti-Collision Protocol to Increase the Tag Identification Rate

Author(s) -

Laura Arjona,

Hugo Landaluce,

Asier Perallos,

Enrique Onieva

Publication year - 2018

Publication title -

ieee access

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.587

H-Index - 127

ISSN - 2169-3536

DOI - 10.1109/access.2018.2849223

Subject(s) - aerospace , bioengineering , communication, networking and broadcast technologies , components, circuits, devices and systems , computing and processing , engineered materials, dielectrics and plasmas , engineering profession , fields, waves and electromagnetics , general topics for engineers , geoscience , nuclear engineering , photonics and electrooptics , power, energy and industry applications , robotics and control systems , signal processing and analysis , transportation

Radio frequency identification (RFID) technology is one of the most popular systems to uniquely identify items by attaching a tag to them. The growing number of tagged items that need to be identified in one reader interrogation area leads to high tag collision rates. Therefore, fast anti-collision protocols are required to minimize the total tags identification time. Fast protocols involve a high tag identification rate (TIR), defined as the number of tags identified per time unit. In this paper, a thorough study of TIR is provided, analyzing the main factor which affects it: the frame size update strategy. Applying the conclusion of this analysis, the anti-collision protocol Timing-Aware Frame Slotted Aloha (TAFSA), is presented to increase TIR. TAFSA presents a timing-aware frame, because its size is set according to the timing parameters of a real RFID system based on the current standard. The performance of the proposed protocol is evaluated and compared with several state of the art Aloha-based anti-collision protocols. Considering a typical RFID scenario, simulation results show that TAFSA, with an average of 56.7 tags identified per second, achieves a 10% average improvement in TIR in relation to the strategies of the comparison.

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