METHOD FOR PROVIDING HIGH-SPEED ACCESS OF TAG IDENTIFICATION BY USING PARTIAL RESPONSE FRAMED SLOTTED ALOHA ALGORITHM IN RFID SYSTEM

摘要

The present invention relates to a method for recognizing a tag at high speed using a split response frame Aloha scheme in an RFID system.;According to the present invention, a method of recognizing a tag at high speed using a split response frame Aloha method in an RFID system includes: (a) receiving a response of RFID tags to a unique number request message of an RFID reader and estimating the number of tags. Unrecognized tags ) And the number of unrecognized tags ( ) And event tag counts ( Comparing); (b) the number of unrecognized tags ( ) Shows the event tag count ( Determining the number of division groups and limiting the number of tags responding to the RFID reader to select RFID tags capable of responding to the RFID reader; (c) receiving a response to the unique number request message of the RFID reader from the RFID tags selected in step (b), estimating the number of tags, and determining the number of unrecognized tags ( Obtaining; (d) the number of unrecognized tags ( ) And the event tag count ( ) To compare the number of unrecognized tags ( ) Shows the event tag count ( Repeating steps (b) and (c) until smaller than); (e) the number of unrecognized tags ( ) Shows the event tag count ( Less than), adjust the size of the frame by determining the optimal frame size, estimate the number of tags in response to RFID tags to the unique number request message of the RFID reader, and estimate the number of unrecognized tags ( Obtaining; And (f) the number of unrecognized tags ( In the RFID system, a method of recognizing a tag at a high speed using a split response frame Aloha method is provided.;According to the present invention, it is possible to improve the efficiency of recognizing an RFID tag in an RFID reader by using a split response frame Aloha method, thereby enabling fast tag recognition.;RFID, Frame Aloha, Split Response Frame Aloha, Tag Count Estimation, Tag Recognition