Suppose the propagation delay is , SIFS is , DIFS is 3, and RTS and CTS are
Question:
Suppose the propagation delay is α, SIFS is α, DIFS is 3α, and RTS and CTS are 5α, respectively, for CSMA/CA with RTS/CTS.
(a) What is the earliest time for the receiver to send the CTS message?
(b) If the data packet is 100α long, what is the shortest time for the receiver to send the ACK signal?
(c) Explain why SIFS is kept smaller than DIFS.
(d) Can you make SIFS = 0?
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a If a terminal has a packet ready to transmit it will sense the medium first If the medium is id...View the full answer
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Related Book For 
Introduction to Wireless and Mobile Systems
ISBN: ?978-1305087132
4th edition
Authors: Dharma P. Agrawal, Qing An Zeng
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