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Simultaneous time of flight and channel estimation using a stochastic channel model
Luleå tekniska universitet.
Luleå tekniska universitet.
Luleå tekniska universitet.
1993 (English)In: Radiovetenskaplig konferens på Lunds tekniska högskola 5-7 april 1993: sammanfattning av posters och föredrag / RVK-93, Lund: Lunds tekniska högskola , 1993, 43-46 p.Conference paper (Refereed)
Abstract [en]

In this paper we address the problem of estimating the Time-of-Flight of a transmitted signal when the shape of the received waveform is stochastic. Specifically, we examine the case when the transmission system model is stochastic, linear and time discrete, with additive Gaussian noise, and where the transmitted waveform is known to the receiver. The joint estimation is couched in terms of Maximum a Posteriori (MAP) and Maximum Likelihood estimation. When deriving the MAP estimator we assume a priori knowledge of the probability density of the transmission system impulse response. The MAP estimator is then compared to estimators derived using less a priori information and lower order system models. The ordinary correlation based Time-of-Flight estimator assumes knowledge of the received waveform, that is has a one-dimensional transmission system model. This investigation indicates that a more complex model structure is worthwhile when distortion in excess of low additive noise is present.

Place, publisher, year, edition, pages
Lund: Lunds tekniska högskola , 1993. 43-46 p.
Research subject
Signal Processing
URN: urn:nbn:se:ltu:diva-38332Local ID: cb1c72f0-0a34-11de-9f31-000ea68e967bOAI: diva2:1011832
Radiovetenskaplig Konferens : 17/04/1993
Godkänd; 1993; 20090306 (ysko)Available from: 2016-10-03 Created: 2016-10-03Bibliographically approved

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