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Ultra-wideband (UWB) signal offers high time resolution and precise time of arrive (TOA) estimation. But it requires extremely high sampling rate analog to digital conversion (ADC). To handle this problem, Compressive sampling (CS) theory has been used in UWB system to localize objects at a sampling rate much below the Nyquist rate. In this paper, we utilize Bayesian Compressive Sensing (BCS) to UWB...
In this paper, we consider the problem of positioning, travel direction detection and speed estimation of GSM-based mobile phones. Many techniques are proposed using several technologies like GSM, UMTS or WiFi. Once these technologies are mature enough to be deployed, they will have significant impact on automotive telematics and modern public transit systems. We produce a technique for speed estimation...
Time of Arrival (ToA) is a popular technique for terrestrial positioning. This paper presents a comparison of ToA based residual related positioning algorithms in wireless terrestrial and sensor networks in both long range outdoor and short range indoor environments. Using ToA distance measurement error models in both environments, we compare the performance of the Least Square Estimation (LSE), Residual...
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