Question: Problem 2-1. Potpourri Singulation is the process by which an RFID reader identifies and communicates with a single RFID transponder. (a) Briefly explain the purpose

Problem 2-1. Potpourri

Singulation is the process by which an RFID reader identifies and communicates with a single RFID transponder.

(a) Briefly explain the purpose and motivation of singulation.

(b) Two singulation methods are tree-walking and an Aloha MAC. Which method is preferable in a densly populated RFID environment? Explain your answer.

(c) Assume an eavesdropping adversary Eve is able to passively intercept the forward signal (from the reader), but not the response from the tags. Which method of singulation is preferable against such an adversary? Explain your answer.

(d) An RFID blocker tag is a device designed to increase privacy by responding to every interrogation request during tree-walking. Assuming d = 64 bit tag identifiers, how many interrogation requests will be made during singulation when a blocker tag is present? Explain your answer.

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