Communications: directive radio wave systems and devices (e.g. – Directive – Including a satellite
Patent
1996-12-31
1999-06-29
Blum, Theodore M.
Communications: directive radio wave systems and devices (e.g.,
Directive
Including a satellite
701213, H04B 7185, G01S 502
Patent
active
059174455
ABSTRACT:
A multipath detection method for use in a GPS position determination system includes providing a code pseudorange measurement representative of a range of an antenna to a space vehicle and a carrier phase pseudorange measurement representative of the range of the antenna to the space vehicle. A code-carrier measurement difference is then generated between the code pseudorange measurement and the carrier phase pseudorange measurement. This code-carrier measurement difference is examined to determine if a multipath component is present. If, the difference indicates that multipath is likely to be present, use of such measurements in computing position solutions, such as attitude solutions, is avoided. A multipath detection system for carrying out the method is also described.
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Schipper Brian W.
Sheikh Suneel I.
Vallot Lawrence C.
Blum Theodore M.
Honeywell Inc.
Shudy Jr. John G.
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