Trilateration
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Trilateration is the use of distances for determining the unknown position coordinates of a point of interest. When more than three distances are involved, it may also be called multilateration, for e
Trilateration in three-dimensional geometry
Pseudo-range multilateration
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Pseudo-range multilateration, often simply multilateration when in context, is a technique for determining the position of an unknown point, such as a vehicle, based on measurement of biased times of
Trilateration
…distances (slant ranges) or spherical distances (scaled central angles), as in true-range multilateration; or biased distances (pseudo-ranges), as in pseudo-range multilateration. Trilateration or multilateration should not be confused with triangulation, which uses angles for positioning; and direction finding, which determines…
Fig. 5. Approximate service area of a planar multilateration system having three equally-spaced stations
Fig. 6. HDOP contours for a planar multilateration system having three equally spaced stations