DocumentCode
1356590
Title
Lowest GDOP in 2-D scenarios
Author
Levanon, N.
Author_Institution
Dept. of Electr. Eng., Tel Aviv Univ., Israel
Volume
147
Issue
3
fYear
2000
fDate
6/1/2000 12:00:00 AM
Firstpage
149
Lastpage
155
Abstract
Position determination in two-dimensional (2-D) scenarios is examined. The results can apply to position location in cellular systems using the system infrastructure. It is shown that the lowest possible geometric dilution of precision (GDOP) attainable from range or pseudo-range measurements to N optimally located points is 2/√N. The significance of 2/√N in bearing-only position determination is also pointed out. Contour GDOP maps demonstrate that it is worthwhile to add one absolute-range measurement (more difficult to implement) to the set of pseudo-ranges (relatively easy to implement)
Keywords
cellular radio; direction-of-arrival estimation; measurement errors; position measurement; radio direction-finding; 2D scenarios; absolute-range measurement; bearing-only position determination; cellular systems; contour GDOP maps; geometric dilution of precision; lowest GDOP; measurement error; optimally located points; position determination; position determination error; position location; pseudo-range measurements; range measurements; system infrastructure;
fLanguage
English
Journal_Title
Radar, Sonar and Navigation, IEE Proceedings -
Publisher
iet
ISSN
1350-2395
Type
jour
DOI
10.1049/ip-rsn:20000322
Filename
850811
Link To Document