An efficient use of expected user altitude data to aid in determining a position of a mobile station
A method and apparatus for using a predetermined portion of terrain elevation maps in a database for aiding in computing a three-dimensional position of a wireless station. Instead of using the entire terrain model of the earth or an entire country, the database consists of an incomplete model, whic...
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Main Authors | , |
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Format | Patent |
Language | Chinese English |
Published |
19.01.2011
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Subjects | |
Online Access | Get full text |
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