Description: Location, Localization, and Localizability
Location-aware technology spawns numerous unforeseen pervasive applications in a wide range of living, pro-
duction, commence, and public services. This article provides an overview of the location, localization, and localizability
issues of wireless ad-hoc and sensor networks. Making data geographically meaningful, location information is essential for
many applications, and it deeply aids a number of network functions, such as network routing, topology control, coverage,
boundary detection, clustering, etc. We investigate a large body of existing localization approaches with focuses on error
control and network localizability, the two rising aspects that attract signi¯ cant research interests in recent years. Error
control aims to alleviate the negative impact of noisy ranging measurement and the error accumulation e® ect during coope-
rative localization process. Network localizability provides theoretical analysis on the per
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