Updated Feb, 4th 2013
RF Conditions play a very important role in acheivable air interface throughput. In an indoor environment the signal strength can vary from excellent to conditions requiring for switching over to EDGE in a few metres or foot steps. I was thinking of creating an app with which user can slowly move around room and be alerted when coming to a place with good/excellent signal condition (RSCP and EcNo). This can be mapped might be as a function of time or the best acheieved so user will know what would be best acheiveable and set a suitable target,
One practical limitation will be lack of GPS indoor and hence not possible to map indoor singal coverage.
Signal strength varies from -59 dBm in first floor to less than -95dBm in ground floor in my house,
(Of course nothing can be better than leaving your phone outdoors ;) )