evdo interference issue resolutuoin
TRANSCRIPT
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By : Arsalan Badar Wasti
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Carriers Used
arriers arriers925 825950 850975 8751000 9001025 9251050 975
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LoC = Pakistan , Gawadar
LoC = Oman , Al Bustan
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Answer is YES because the Water of a seawhich is salty reflects more better then
ordinary Tap Water due to more highviscosity in it , More Over it Behaves like aMirror
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A UMTS network has raised concerns overinterference into their 3G services in thecoastal areas in the Frequency Band 1975 1980 MHz UL
CDMA/EvDO Network in Gawadar works on
(1975 1980 MHz DL) 1895 1900 MHz
DL
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DL PwR = Max 43 db UL PwR = Max 20 db
Interference can be very enormous if it occurson UL as it will almost decrease -3db Pwrand can give Poor Results to customers
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1. Can be Judged from RSSI/RTWP (ReceivedSignal Strength Indicator CDMA ) (ReceivedTotal Wideband Power UMTS - UL)
2. Spectrum Analyzer3. Traffic report (KPI Analysis)
4. Drive Tests
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RTWP gives the Total Uplink Power(Interference) level received at Node B
RSSI: Received Signal Strength Indicatorindicates the strength of the incoming(received) signal in a receiver.
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Through Hard parameters adjustments
Frequency Point Shifting
Soft parameter Adjustment
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Its Never too Late to make a Change