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Performance of TOA and TDOA in a Non-homogeneous Transmitter Network Combining GPS and Terrestrial Signals
Performance TOA TDOA Non-homogeneous Transmitter GPS Terrestrial Signals
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2015/6/25
The time of arrival (TOA) and the time difference of arrival (TDOA) measurements are transformable to each other without a loss of information regarding positioning and thus the position estimations b...
Mixed One-way and Two-way Ranging to Support Terrestrial Alternative Position Navigation & Timing
Mixed One-way wo-way Ranging Terrestrial Position Navigation Timing
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2015/6/24
Two-way ranging between the ground station and aircraft can provide true-range measurement allowing for horizontal positioning using only two stations. However,this infrastructure benefit comes at a c...
Hybrid APNT: Terrestrial Radionavigation to Support Future Aviation Needs
Hybrid APNT Terrestrial Radionavigation Support Future Aviation Needs
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2015/6/24
The Federal Aviation Administration (FAA) AlternativePositioning Navigation & Timing (APNT) program is developing and examining solutions to provide terrestrial based radio-navigation capability that ...