EFFICIENT LOCATION REFERENCING METHOD Russian patent published in 2014 - IPC G06Q50/30 G01C21/00 

FIELD: physics, navigation.

SUBSTANCE: invention relates to position fixing systems. The system comprises an encoder, a database for storing pre-encoded locations and results of previous attempts at encoding said locations; when receiving a location to be encoded, the system first queries the database to establish whether that location or a part of it, forms a part of or is identical to a location having been previously stored within said database, said system returning either the previously encoded location or a part of it in the case of encoding having already been performed, or alternatively passing the continuous path location to the encoder, the output of which is in any event stored in said database together with that continuous path location.

EFFECT: high accuracy of location encoding.

12 cl, 21 dwg, 55 tbl