Advanced radio cells AR1255, Руководство по физическому планированию и установке, Страница: 47 / 48

March 1, 2002 Page G
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ARCi Link Budget Parameters
Upstream
minimum typical maximum
Vyyo WMU output spec (dBmV) +8 +58
IFL coax loss - Belden 9116 (calculate; length limited by downstream) 1.42 dB/100 ft @ 55 MHz
ARCi CPE IF input (dBmV) +18 +58
ARCi
CPE RF output (dBm) -27 +13
ARCi
CPE Tx antenna gain (dBi) 11
Path
(calculate)
ARCi
Hub Rx antenna gain (dBi) 16
ARCi Hub RF input level (dBm)
-95 -85
ARCi Hub RF output level (dBm)
-48 -38 47 dB gain
ARCi Hub RF output level (dBmV)
0 +10
IFL coax loss – Belden 1189A (calculate; length limited by downstream) 1.42 dB/100 ft @ 55 MHz
Vyyo
WMTS input spec (dBmV) -15 +10 +35
Downstream
Vyyo
WMTS output spec (dBmV) +20 +40
Cadco
upconverter input (dBmV) +38 +45
Cadco
upconverter output (dBmV) +50 +60 +65
IFL coax loss – Belden 1189A
(calculate; 15 dB max loss) 4.57 dB/100 ft @ 550 MHz
ARCi Hub IF input (dBmV)
+50
ARCi Hub RF output (dBm)
+16
ARCi Hub Tx antenna gain (dBi)
13 EIRP = +30 dBm
Path
(calculate)
ARCi
CPE Rx antenna gain (dBi) 22
ARCi
CPE RF input level (dBm) -92 -52
ARCi CPE IF output level (dBm)
-52 -12 40 dB gain
ARCi
CPE IF output level (dBmV) -4 +36
IFL Coax Loss - Belden 9116
(calculate; 15 dB max loss) 4.57 dB/100 ft @ 550 MHz
Vyyo WMU input spec (dBmV) (QPSK)
-20 +35