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VEGA CP-12 Antenna added to BTS “A” Target area now served by BTS “A” no dropped calls! BTS “A Target Area No interference to populated area on opposite side of river VEGA as a Solution Problem: Multiple strong signals from nearby BTS cause “hard handoffs” in high usage area No-Solution: Adding sectors that face problematic area cause interference to densely populated area on far side of river Solution: Adding sector with down tilted VEGA CP-12 to BTS “A aimed at problem area. No more “hard handoffs” No interference to far side of river .

Irkutsk vega trial 3 08

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VEGA CP-12 Antenna added to BTS “A”

Target area now served by BTS “A” no dropped calls!

BTS “A”

Target Area

No interference to populated area on opposite side of river

VEGA as a Solution

Problem: Multiple strong signalsfrom nearby BTS cause “hardhandoffs” in high usage area

No-Solution: Adding sectors that faceproblematic area causeinterference to densely populated area on far side of river

Solution: Adding sector with down tilted VEGA CP-12 to BTS “A”

aimed at problem area. No more “hard handoffs” No interference to far side of river.