Note that these values
are valid for the assumptions used to derive them; certainly, debates over the specific values can and
should occur. However, it is not the intention Tables 7.5 and 7.6 to be all inclusive; rather they are for
454 CHAPTER SEVEN
TABLE 7.5 Indoor Link Budget Example
a Transmit Power 21 dBm 125 mWatts
b Transmit Cable Loss 2 dB
c Transmit Antenna Gain 18 dBi
d Receiver Antenna Gain 0 dBi
e Receiver Cable Loss 0 dB
f Thermal Noise Density 174 dBm/Hz
g Interference Density 174 dBm/Hz
h Total Inter Noise Density 170.99 dBm/Hz
i Receiver Noise Figure 7 dB
j System Bandwidth 65.84331 dB
k Handoff Gain 1 dB
l Lognormal Fading Margin 7 dB
m Propagation Path Loss 134 dB
n Building Penetration Loss 10 dB
o Various Implementation Loss 3 dB Implementation
p Rx Signal Power 116 dBm abcdeklmno
q Eb/(Io No) 4.988487 dB
r Processing Gain 21.0721 dB
s Interference Noise Floor 98.1464 dBm hij
t Ec/(Io No) 17.8536 dB ps
u Sensitivity 118.138 dBm hiqv
v User Data Rate (12.2 KBps) 40.8636 dB
TABLE 7.6 Outdoor Link Budget Example
a Transmit Power 21 dBm 125 mWatts
b Transmit Cable Loss 2 dB
c Transmit Antenna Gain 18 dBi
d Receiver Antenna Gain 0 dBi
e Receiver Cable Loss 0 dB
f Thermal Noise Density 174 dBm/Hz
g Interference Density 174 dBm/Hz
h Total Inter Noise Density 170.
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