User's Manual Part 2

Designing an LGCell Solution
7-38 LGCell 4.0 Installation, Operation, and Reference Manual PN 8100-40
620004-0 Rev. E
Spread Spectrum Link Budget Analysis: Uplink
Line Uplink
Receiver
a. BTS noise figure (dB) 3.0
b. Attenuation between BTS and LGCell (dB) –30.0
c. LGCell gain (dB) 0.0
d. LGCell noise figure (dB) 23.0
e. System noise figure (dB) 33.4
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/(No+lo) 5.0
k. Handoff gain (dB) 0.0
l. Antenna gain (dBi) 3.0
m. Minimum received signal (dBm) –91.0
Airlink
n. Multipath fade margin (dB) 6.0
o. Log-normal fade margin with 8 dB std. deviation, edge reliability
90% (dB)
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. Effective transmitted power (dBm) 9.0
u. Maximum path loss (dB) 100.0