Sanjay Jha

Papers

Total Citations

516

H-Index

About

Sanjay Jha is a leading researcher in wireless sensor networks, with a primary focus on localization and delay-tolerant networking. His most influential work addresses the fundamental challenge of node localization in delay-tolerant sensor networks (DTNs), where conventional connectivity-based approaches fail due to intermittent or absent links. In a landmark 2005 paper (270 citations) and its 2007 follow-up (222 citations), Jha introduced a novel scheme that leverages mobile robots to localize sensor nodes within disconnected network clusters. This work bridged robotics and sensor networking, enabling accurate positioning even when nodes cannot communicate directly—a critical capability for environmental monitoring, wildlife tracking, and disaster response. Jha also contributed to indoor localization, exploring ultrasound-based systems to improve coverage range and accuracy. His 2011 paper on this topic (17 citations) addressed practical limitations of existing acoustic ranging methods. Further extending this line, his "TWEET" work (7 citations) tackled fine-grained, long-range range estimation for both indoor and outdoor embedded sensor networks. With over 500 combined citations on his core contributions, Jha’s research has shaped how mobile agents and acoustic sensing can overcome connectivity and accuracy barriers in real-world deployments.