Title :
Enhanced localization coverage with non-regenerative UWB relays
Author :
Dardari, Davide ; Decarli, Nicolo ; Guerra, Alexandre ; Conti, Andrea
Author_Institution :
WiLab, Univ. of Bologna, Cesena, Italy
Abstract :
Real-time locating systems (RTLS) enable a number of new important applications. Their performance is mainly limited by wireless propagation impairments. This paper puts forth the idea to enhance coverage and accuracy of RTLS in the presence of severe non line-of-sight propagation conditions using low complexity non-regenerative ultra-wide bandwidth relays. A maximum likelihood position estimator is derived and the feasibility of relay-based positioning scheme is demonstrated.
Keywords :
maximum likelihood estimation; ultra wideband communication; RTLS; localization coverage enhancement; low complexity nonregenerative ultrawide bandwidth relay; maximum likelihood position estimator; non line-of-sight propagation condition; nonregenerative UWB relay; real-time locating system; relay-based positioning scheme; wireless propagation impairments; Complexity theory; Delay; Directive antennas; Distance measurement; Low earth orbit satellites; Maximum likelihood estimation; Relays;
Conference_Titel :
Signal Processing Conference (EUSIPCO), 2012 Proceedings of the 20th European
Conference_Location :
Bucharest
Print_ISBN :
978-1-4673-1068-0
