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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
32 Wireless Networks Resources Trading for QoS Performance
0.2
0.4
0.6
0.8
1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
x 10
5
w
t
E
Figure 2.2: Energy per bit versus bandwidth per bit and delay time.
and Table 2.1 imply that there exists the minimum energy consumption by
trading other resources. Because we need to derive the trading relationships
between energy consumption and bandwidth/delay, respectively, we analyze
each trading relationship with the fixed value of another resource.
For fixed t, the relationship between E and W is given by (setting t =1
for simplicity)
E
bt
=
2
1
W
1
WN
0
g
+ WP
cir
+ P
sb
(2.6)
For fixed W , the relationship between E and t is expressed ...
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Publisher Resources

ISBN: 9781439899144