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CSE5345_Lecture12 - Last Class PLCP frame format CSE 5345...

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1 CSE 5345 – Fundamentals of Wireless Networks Yonghe Liu [email protected] 2/21/12 2 Last Class PLCP frame format Preamble: SYNC, SFD Header: Signal, Service, Length, CRC Carrier Sensing Range v.s. Transmission Range 3 Today Performance of DCF Markov Chain overview 4 Markov Chain (Discrete Time) Consider a stochastic process {X n , n = 0, 1, …} X n = {0, 1, 2, …} X n = i denotes the process is in state i at time n 1 0 p q 1 -q 1 -p 1 0 2 a d f c b e
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