Method and apparatus for assisted GPS
作者： George J. Geier , Thomas M. King , Yilin Zhao
DOI:
关键词: Reliability (computer networking) 、 Secure User Plane Location 、 Satellite 、 Real-time computing 、 Embedded system 、 Global Positioning System 、 Protocol (object-oriented programming) 、 Engineering 、 Assisted GPS 、 Cellular network 、 Quality (business)
摘要: A cellular network protocol that maintains the reliability of assisted GPS based positioning is taught. An Integrity Monitor (IM) informs mobile stations, their users, or networks measurement quality and it warns them failing failed satellites by isolating from effects these failures. Whenever an unhealthy satellite detected, its corresponding assistance data will be excluded for delivery position determination. In other words, there are two specific aspects to (IM). For DGPS predicts corrections. all isolates calculation The UDRE parameter, nominally output a reference receiver, used communicate information, corrections simply satellites. autonomous special integrity message required defined failure status information.
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