发明名称 NAVIGATION SYSTEM WITH MAP COMPRESSION AND METHOD OF OPERATION THEREOF
摘要 A method of operation of a navigation system includes: preconstructing a multi-layered index based on a plurality of a spatially-aware identification for identifying location data points; selecting a first intersection based on the multi-layered index of the spatially-aware identification; and generating a primary route based on the first intersection for displaying on a device.
申请公布号 US2011087425(A1) 申请公布日期 2011.04.14
申请号 US20090576185 申请日期 2009.10.08
申请人 TELENAV, INC. 发明人 DENG KAN;LIN YUEYU;QIN YANYAN
分类号 G01C21/36 主分类号 G01C21/36
代理机构 代理人
主权项
地址