Abstract
In order to enhance radio frequency identification (RFID) tag identification efficiency, this paper proposes a Vogt estimation method (Cap Vogt) and an optimal frame length scheme under the capture environment for a dynamic frame slotted ALOHA anti-collision RFID system. There is a growing awareness of the reading leaking problem in tag estimation, the estimation method we proposed solves the problem in a sense. Meanwhile the simulation results of the tag estimation shows the superiority of the method comparing to the conventional method. In addition, this paper derives an optimal frame length for obtaining the maximum radio channel efficiency when the capture effect exists. The optimal frame length always less than the tag number.
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