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2015•Electronic Design EngineeringRequires access

Effect of multipath signals to DLL in confined environment

Liu L

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Abstract

To improve positioning accuracy of Beidou receiver in confined environment, modeling multipath signals in confined environment, analyze the output of EML discriminator under LOS and 6 multipath signals, derive the code phase error and explain the reason for it. Finally, give a method to reduce the error to 10% by arranging wave-absorbing materials.

About this research paper

What this paper is about

To improve positioning accuracy of Beidou receiver in confined environment, modeling multipath signals in confined environment, analyze the output of EML discriminator under LOS and 6 multipath signals, derive the code phase error and explain the reason for it. Finally, give a method to reduce the error to 10% by arranging wave-absorbing materials.

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Method / approach

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Available abstract

To improve positioning accuracy of Beidou receiver in confined environment, modeling multipath signals in confined environment, analyze the output of EML discriminator under LOS and 6 multipath signals, derive the code phase error and explain the reason for it. Finally, give a method to reduce the error to 10% by arranging wave-absorbing materials.

Key concepts: Discriminator, Multipath propagation, Multipath mitigation, Computer science, Code (set theory), Electronic engineering, Rake receiver, Delay spread

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