Interesting idea.  How realistic is the proposed scenario?  -- The client presumably has a lot of things other than the specification of the building to consider if thinking of setting up in a new city.  It would be good if the building info could be integrated with some of these other urban issues?

There is a huge amount of technical detail in this paper that isn't really necessary -- we can probably get a sufficient grasp of the issues without the complete details of the various wireless systems, which are in any case fairly well known. 

Have any other approaches been considered?  -- E.g. how about matching photos of the building with an image database, as seems to be emerging as a technique for shopping -- see  http://www.vnunet.com/vnunet/news/2156274/camera-phone-ids-products --  this might work quite well here? (At least where you don't have a lot of buildings that all look more or less the same.)

Much of the English in this paper is rather unnatural, compared with native English; but it's always understandable, so perhaps this is not important.

