User's Manual

Designing an LGCell Solution
7-42 LGCell 4.0 Installation, Operation, and Reference Manual PN 8100-40
620004-0 Rev. B
• 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
•u = t – m
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)