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International Journal of Wireless Communications, Networking and Mobile Computing

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Further Discussing About the Conflict Problem of RFID Tag

International Journal of Wireless Communications, Networking and Mobile Computing
Vol.3 , No. 1, Publication Date: Jan. 21, 2016, Page: 6-10

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Authors

[1]	Yin-fei Dai, Dept. of Computer Science and Technology, Changchun University, Changchun, China.
[2]	Nian-feng Li, Dept. of Computer Science and Technology, Changchun University, Changchun, China.
[3]	Dan Shao, Dept. of Computer Science and Technology, Changchun University, Changchun, China.

Abstract

RFID systems are generally composed of two parts label (Tag) and reader (Reader) components. When the system is at work, if there are multiple tags send data at the same time, there will be mutual interference, that is, collision, and the results will lead to transmission failure. Hence the need to develop appropriate anti-collision algorithm, in order to avoid or reduce collisions, thus effectively improving system performance. The paper describes that when two or more tags in a wireless channel, and transmitting an identification signal to the reader, the signal will overlap, causing the reader can not normally be resolved. By comparing of the advantages and disadvantages of several anti-collision algorithm, clarify the need for anti-collision algorithm improvements.

Keywords

RFID, Wireless Channel, Reader, Anti-Collision Algorithm, Discussing on RFID Tag Conflict Problem

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