Each nominal has a search ring defined by the RF Planner ,Candidates needs to be identified as close as possible to the nominal within the search ring.
Height, orientations & antenna placement at site are the key RF parameter which are based upon the coverage requirement in the area.
Major obstructions and clutter type in various directions to be observed on RF survey.
Equipment required for RF Survey
There might be 3 or more candidates surveys for one site
Each candidate would have an RF survey form and panoramic associated with it.
Site Selection(General Considerations)
Proper site location determines usefulness of its cells
Sites are expensive
Sites are long-term investments
Site acquisition is a slow process
Hundreds of sites needed per network
Bad Site Location
Avoid hill-top locations for BS sites
•awkward HO behaviours
but: good location for microwave links
Good Site Location
Prefer sites off the hill-tops
•use hills to separate cells
•contiguous coverage area
•needs only low antenna heights if sites are slightly elevated above valley bottom.
Collect all necessary information about site details
site coordinates, height above sea level, exact address
type of building
building materials (photo)
possible antenna heights
360deg photo (clearance view)
neighbourhood, surrounding environment
drawing sketch of rooftop
antenna mounting conditions
access possibilities (truck?, road, roof)
BS location, approx. feeder lengths
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