EvDO Interference Issue Resolutuoin

5/28/2018 EvDO Interference Issue Resolutuoin

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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

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EvDO Interference Issue Resolutuoin