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Assisted Global Navigation Satellite System (AGNSS) with Precise Ionosphere Model Assistance
Assisted Global Navigation Satellite System (AGNSS) with Precise Ionosphere Model Assistance
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机译:精确电离层模型辅助的辅助全球导航卫星系统(AGNSS)
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摘要
Embodiments enable higher accuracy GNSS performance by generating local/regional ionosphere models tailored to specific local/regional areas of interest and by using location-based delivery of the local/regional ionosphere models to mobile GPS receivers. Different types and levels of reference locations (e.g., Cell ID (CID), Location Area Code (LAC), Radio Network Controller ID (RNC-ID), Mobile Country Code (MCC)) can be used to estimate the location of mobile GPS receivers and to deliver the appropriate local/regional ionosphere models to the mobile GPS receivers. According to embodiments, the local/regional ionosphere models are fit into the same 8-parameter set as the broadcast global ionosphere model, therefore being compatible with existing GPS receivers that accept the broadcast global ionosphere model.
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