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Green Communications and Networking
book

Green Communications and Networking

by F. Richard Yu, Xi Zhang, Victor C.M. Leung
April 2016
Intermediate to advanced content levelIntermediate to advanced
399 pages
11h 49m
English
CRC Press
Content preview from Green Communications and Networking
Energy Efficient RNs in Cellular Networks 89
Figure 3.12: Cellular system.
Normally, the received signal from a BS suffers from path-loss, slow fading
and fast fading. A simple model taking path-loss into consideration is given
as [64]
PL(dB)=15.3+37.6log
10
(d), (3.66)
where d is the BS-UE distance in meters. The shadowing SF(dB) follows a
log-normal law with mean 0 and shadowing standard deviation SD.Based
on this propagation model, the long-term power received by a UE from a BS
(BS
i
) can be expressed in dB as
P (BS
i
UE)=P
Tx
+ G
UE
+ G PL(d) SF(BS
i
UE), (3.67)
where P
Tx
is the transmission power of the BS, G is the antenna gain, d is
the BS-UE distance
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Publisher Resources

ISBN: 9781439899144