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PhD Final Exam – Fahad Alhussein

A novel CCRW receiver with variable width window for effective mitigation of multipath and ambiguity in GNSS positioning

This paper presents a novel CCRW receiver that utilizes a window of variable width, for effectively mitigating multipath and ambiguity in both civil and military positioning applications using Global Navigation Satellite Systems (GNSS). This CCRW receiver incorporates a single stroboscopic window, whose width is iteratively reduced until the effect of multipath is mitigated. Results show that this receiver completely eliminates multipath of any delay, thus outperforming the fixed window width counterparts which exhibit rather large errors for multipath of small delays. The receiver also demonstrated its capability of mitigating the ambiguity that appears when MBOC modulations are used in receivers designed to work with BOC modulations. In addition, it is computationally simple, and therefore suitable for implementation in low-cost GNSS commercial receivers.

Major Advisor: Huaping Liu
Committee: Jinsub Kim
Committee: Tejasvi Anand
Committee: Larry Cheng
GCR: William H. Warnes

Friday, March 20 at 10:00am to 12:00pm

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

Event Type

Lecture or Presentation

Event Topic


Electrical Engineering and Computer Science
Contact Name

Dakota Nelson

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