5LI W F,WU J,WANG D. A Novel indoor positioning method based on key reference RFID TAGS [C]. IEEE Youth Conference on Information, Computing and Telecommunication, 2009 : 42-45.
6BRUNATO M,BATTITI R. Statistical learning theory for location fingerprinting in wireless LANs[J].Comput. Netw. ,2005(47) :825-845.
8ABI Research.Smartphne indoor location technologies. June 2013.
9Harle R.A survey of indoor inertial positioning systems for pedestrians.lEEE Communications surveys & tutorials, 2013, 15(3).
10Gu Yanying,Lo A,Niemegeers I.A survey of indoor positioning systems for wireless personal networks.lEEE Communications Survey & Tutodals,2009,11(1 ).