User's Manual

Designing a Fusion Wideband Solution
Page 98 InterReach Fusion Wideband Installation, Operation, and Reference Manual
© 2015 TE Connectivity D-620616-0-20 Rev K • TECP-77-044 Issue 9 • March 2015
• e: enter the noise figure and gain of each system component (a, b, c, and d) into the standard
cascaded noise figure formula
• h =
e + f + g
• m = h + i + j –k – l
• r = n + o + p + q
• t = s – r – m
Table 87.
CDMA Link Budget Analysis: Uplink
Line Uplink
Receiver
a. BTS noise figure (dB) 3.0
b. Attenuation between BTS and Fusion Wideband (dB) –30.0
c. Fusion Wideband gain (dB) 0.0
d. Fusion Wideband noise figure (dB) 22.0
e. System noise figure (dB) 33.3
f. Thermal noise (dBm/Hz) –174.0
g. Noise rise 75% loading (dB) 6.0
h. Receiver interference density (dBm/Hz) –134.6
i. Information rate (dB/Hz) 41.6
j. Required Eb/(N
o
+l
o
) 5.0
k. Handoff gain (dB) 0.0
l. Antenna gain (dBi) 3.0
m. Minimum received signal (dBm)
–91.1
Airlink
n. Multipath fade margin (dB) 6.0
o. Log-normal fade margin with 9 dB std
.
deviation, 95% area coverage, 87% edge coverage 10.0
p. Additional loss (dB) 0.0
q. Body loss (dB) 3.0
r. Airlink losses (not including facility path
loss) 19.0
Transmitter
s. Mobile transmit power (dBm)
28.0
t. Maximum path loss (dB) 100.1
F
sys
= F
1
+ + + ....
F
2
– 1
G
1
F
3
– 1
G
1
G
2
where
F = 10
(See Rappaport, Theodore S. Wireless Communications, Principles, and Practice. Prentice Hall PTR, 1996.)
(Noise Figure/10)
G = 10
(Gain/10)