R. Jayabharathy

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In this study, a hybrid TOA/RSSI wireless localization is proposed for accurate positioning in indoor UWB systems. The major problem in indoor localization is the effect of Non-Line of Sight (NLOS) propagation. To mitigate the NLOS effects, an unconstrained nonlinear optimization approach is utilized to process Time-of-Arrival (TOA) and Received Signal(More)
Context-aware computing is an emerging computing paradigm that can provide new or improved services, which are human centered and proactive in responding to the surrounding environment by exploiting user context information. There are many applications that provide context-aware services based on the location of the user. This paper proposes the(More)
Context-aware computing is an emerging computing paradigm that can provide new or improved services, which are human centered and proactive in responding to the surrounding environment by exploiting user context information. In this paper an attempt is made to implement the TOA based indoor positioning scheme using Ultra Wide Band (UWB) radio. The TOA(More)
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