- 期刊
- OpenAccess
Design of Spatial Data Broadcast for Mobile Navigation Applications
並列摘要
Existing mobile navigators can readily display any static data related to the area surrounding a user. However, their ability to display any dynamic data is limited. In this paper, we enable the viewing of dynamic data on a navigator using wireless data broadcast. The dynamic data are periodically broadcast via base stations of wireless systems, and can be filtered by navigators fetching desired data. We address several crucial issues related to the design of this application, including data organizing, indexing, caching, and querying. We simulate the performance of the resulting system by measuring the time and energy costs associated with retrieving the dynamic data.
延伸閱讀
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