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3G / UMTS Hot Spots: Underground Stations
Types:
Underground Train Stations
Underground Bus Stations
Light Rail / Tram Indoor Stops
Sky Rail Indoor Stations
Main Requirement:
Coverage
Typical Solutions:
Mid to small size passive systems
Forced co-locations common
Off-air repeaters for small appications
Macro base station tabs, for smaller systems possible
Opportunities:
Co-location to share costs
Urban underground stations have heavy traffic
Typical Risks:
Acquisition
High installation costs, because of complex and expensive after hours work
Notes:
Owner and other carrier expectation need to be considered
Usually government owned
Based on Petri Possi's Hot Spot presentation
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