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yanweicumt銀蟲(chóng) (小有名氣)
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[求助]
channel fading 問(wèn)題
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the channel gain, G between a transmitter v and a receiver u, is composed of distance-dependent path loss, log-normal shadowing, and channel variations due to frequency-selective fading. G=H^2*10^((-L(d)+X)/10) where H accounts for the channel transfer factor between transmitter and receiver, L(d) is the distance-dependent path loss (in dB), and X is the log-normal shadowing value(in dB) with standard deviation delta. the delay profiles are used to generate the frequency-selective fading channel transfer factor H. 請(qǐng)問(wèn)在這段話中,這個(gè)H 該怎么求出來(lái)啊,謝謝。 |
銀蟲(chóng) (小有名氣)
銀蟲(chóng) (小有名氣)
銅蟲(chóng) (初入文壇)
鐵桿木蟲(chóng) (職業(yè)作家)

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