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This paper deals with a problem of finding the right address in the new city or unknown part of the city, the right door. The psychological pressure on people in this situation can be quite large and unpleasant, especially when the GPS could not provide enough support. The outdoor position systems are based on GPS signal and besides that, they are not so accurate outdoor they can't be applied indoors. IPS are expensive, not user-friendly and not suitable for everyone. This paper identifies the low-end segments in the market and suggests the solution based on known technology.
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