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PhD Preliminary Oral Exam – Fahad Alhussein

A Variable Window Width CCRW Receiver for Multipath Mitigation in GNSS

This research work proposes a variable window width method for multipath mitigation in CCRW receivers, for BOC and MBOC signals typically used in GNSS. Such variable window width method considers iteratively reducing the width of the window, until the distortion on the discriminator caused by multipath is eliminated. This distortion is measured as the Euclidean distance between the actual discriminator (obtained with the incoming signal), and the local discriminator (generated with a local copy of the signal). Simulations results showed that the method with variable window width outperforms the traditional fixed window width method. In particular, the former yields zero error for all delays for the BOC and MBOC signals considered, while the latter gives rather large nonzero errors for small delays in all cases. Due to its computational simplicity, the variable window width method is perfectly suitable for implementation in low-complexity receivers.

Major Advisor: Huaping Liu
Committee: Bella Bose
Committee: Jinsub Kim
Committee: Tejasvi Anand
GCR: Tom Schmidt

Thursday, June 13, 2019 at 12:00pm to 2:00pm

Kelley Engineering Center, 1007
110 SW Park Terrace, Corvallis, OR 97331

Event Type

Lecture or Presentation

Event Topic

Research

Organization
Electrical Engineering and Computer Science
Contact Name

Calvin Hughes

Contact Email

calvin.hughes@oregonstate.edu

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