A Dense Reference Network for Mass-Market Centimeter-Accurate Positioning

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dc.creatorMurrian, Matthew J.
dc.creatorGonzalez, Collin W.
dc.creatorHumphreys, Todd E.
dc.creatorNovlan, Thomas D.
dc.date.accessioned2018-01-25T17:48:43Z
dc.date.available2018-01-25T17:48:43Z
dc.date.issued2016-04
dc.description.abstractThe quality of atmospheric corrections provided by a dense reference network for centimeter-accurate carrierphase differential GNSS (CDGNSS) positioning is investigated. A dense reference network (less than 20 km inter-station distance) offers significant benefits for mass-market users, enabling lowcost (including single-frequency) CDGNSS positioning with rapid integer ambiguity resolution. Precise positioning on a massmarket platform would significantly influence the world economy, ushering in a host of consumer-focused applications such as globally-registered augmented and virtual reality and improved all-weather safety and efficiency for intelligent transportation systems, applications which have so far been hampered by the several-meter-level errors in standard GNSS positioning. This contribution examines CDGNSS integer ambiguity resolution performance in terms of network correction uncertainty, and network correction uncertainty, in turn, in terms of network density. It considers the total error in network corrections: a sum of ionospheric, tropospheric, and reference station multipath components. The paper’s primary goal is to identify the network density beyond which mass-market users would see no further significant improvement in ambiguity resolution performance. It finishes by describing development and deployment of a low-cost dense reference network in Austin, Texas.en_US
dc.description.departmentAerospace Engineeringen_US
dc.identifierdoi:10.15781/T21V5BW6K
dc.identifier.urihttp://hdl.handle.net/2152/63207
dc.language.isoengen_US
dc.relation.ispartofRadionavigation Laboratory Conference Proceedingsen_US
dc.rights.restrictionOpenen_US
dc.subjectMurrianen_US
dc.subjectGonzalezen_US
dc.subjectHumphreysen_US
dc.subjectNovlanen_US
dc.subjectcentimeter-accurate positioningen_US
dc.subjectGNSSen_US
dc.titleA Dense Reference Network for Mass-Market Centimeter-Accurate Positioningen_US
dc.typeConference proceedingsen_US

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