Single Frequency RTK Technology for Handheld GPS

Traditional GPS RTK requires two receivers one of which serves as base station. Assuming in-between separation is not too long, spatial correlations for GPS observation errors are pretty significant. Base station can be used to correct rover observations. As a result, 2-cm horizontal and 5-cm vertical positioning accuracy within 5-minute initialization time is available at rover.

However, two dual-frequency receivers are required in this mode. For applications concerning economical cost more than high accuracy, dual-frequency RTK is not optimum choice. Therefore, we propose to design a single-frequency GPS RTK system providing 5~10 cm positioning accuracy within 5-minute. The proposed work can reduce receiver costs by half. Moreover, this system can even save costs for base station installment if network RTK is already set up

In a word, our work is to design a low-cost single-frequency GPS RTK system with at most half price but comparable performance compared to traditional dual-frequency RTK.

Faculty Supervisor:

Xin Wang

Student:

Partner:

Discipline:

Engineering

Sector:

University:

University of Calgary

Program:

Accelerate