Method for estimating number of tags in slotted aloha-based RFID system
First Claim
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1. A method for estimating the number of tags in a slotted Aloha-based RFID system, the method comprising the steps of:
- a) setting the number (N) of slots, the measured number (c0) of empty slots, and the measured number (c1) of ID slots as parameters; and
b) estimating the number (n) of the tags by substituting the set values into n=(N−
1)/(c0/c1).
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Abstract
Provided is a method for estimating the number of tags in a slotted Aloha-based RFID system, which can estimate the number of tags through a new statistical average scheme using the number of slots, the measured number of empty slots, and the measured number of ID slots. The estimating method includes the steps of: a) setting the number (N) of slots, the measured number (c0) of empty slots, and the measured number (c1) of ID slots as parameters; and estimating the number (n) of the tags by substituting the set values into n=(N−1)/(c0/c1).
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Citations
2 Claims
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1. A method for estimating the number of tags in a slotted Aloha-based RFID system, the method comprising the steps of:
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a) setting the number (N) of slots, the measured number (c0) of empty slots, and the measured number (c1) of ID slots as parameters; and
b) estimating the number (n) of the tags by substituting the set values into n=(N−
1)/(c0/c1). - View Dependent Claims (2)
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Specification