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Fundamental Bounds ...
Fundamental Bounds on Position Estimation Using Proximity Reports
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- Yin, Feng (författare)
- Ericsson Research, Linköping, Sweden
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- Zhao, Yuxin (författare)
- Ericsson Research, Linköping, Sweden
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- Gunnarsson, Fredrik (författare)
- Ericsson Research, Linköping, Sweden
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(creator_code:org_t)
- 2016
- 2016
- Engelska.
- Relaterad länk:
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Abstract
Ämnesord
Stäng
- There is a big trend nowadays toward indoor proximity report based positioning. A binary valued proximity report can be obtained opportunistically through event-triggering, leading to significantly reduced signaling overhead for wireless communications. In this paper, we aim to derive two types of fundamental lower bound, namely the Cram´er-Rao bound and the Barankin bound, on the mean-square-error of any proximity report based position estimator. Using the maximum-likelihood estimator as a representative example, we show that the Barankin bound is potentially much tighter than the Cram´er-Rao bound and conclude that the Barankin bound ought be better suited for benchmarking any proximity report based position estimator.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Signalbehandling (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Signal Processing (hsv//eng)
Nyckelord
- Barankin bound
- Cramér-Rao bound
- mean-square-error
- position estimation
- proximity report.
Publikations- och innehållstyp
- ref (ämneskategori)
- kon (ämneskategori)