Compared with traditional active localization technology
technique of passive localization based on received signal strength( RSS) does not need to carry any electronic tag and can be widely used in some scenarios such as fast deployment and emergency rescue. Principle of passive localization is explained and several localization algorithms are presented; disadvantages of existing algorithms are proposed; research trends are prospected.
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references
Device-clustering algorithm in crowdsourcing-based localization [J] . Huang CHENG,Hai-yong LUO,Fang ZHAO. The Journal of China Universities of Posts and Telecommunications . 2012