Digital Communication over Fading Channels P2

Chia sẻ: Khinh Kha Kha | Ngày: | Loại File: PDF | Số trang:10

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Digital Communication over Fading Channels P2

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FADING CHANNEL CHARACTERIZATION AND MODELING and hence, following (2.3), the instantaneous SNR per symbol of the channel, , is distributed according to an exponential distribution given by p D 1 exp , ½0 2.7 The MGF corresponding to this fading model is given by M s D 1 s 1 2.8 In addition, the moments associated with this fading model can be shown to be given by 2.9 E[ k ] D  1 C k k where  Ð is the gamma function. The Rayleigh fading model therefore has an AF equal to 1 and typically agrees very well with experimental data for mobile...

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