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Optimization of over-the-air file distribution for connected cars based upon a heuristic scheduling algorithm

專利號
US11176458B2
公開日期
2021-11-16
申請人
AT&T Intellectual Property I, L.P.(US GA Atlanta)
發(fā)明人
Jie Chen; Sichong Guan; Wenjie Zhao; Laurie Bigler
IPC分類
H04L29/08; H04W8/24; H04W4/40; G06N5/00; H04W4/50; G06F8/61; G06F8/65
技術領域
ota,car,or,connected,heuristic,scheduling,cars,can,network,in
地域: GA GA Atlanta

摘要

Concepts and technologies disclosed herein are directed to the optimization of over-the-air (“OTA”) file distribution for connected cars based upon a heuristic scheduling algorithm. A schedule provided by the heuristic scheduling algorithm is designed to distribute OTA data flow to connected cars over the network (geographically) and over a scheduling time horizon (timely), and is capable of reducing the negative impact of OTA file updates on overall wireless network performance. This schedule is created based upon historical statistics associated with connected car driving patterns and simulations of connected car-specific OTA traffic over the network. By leveraging connected cars that connect to different cells at different times based upon driving patterns, the heuristic scheduling algorithm is effective in reducing OTA impact on the network.

說明書

The illustrated OTA file distribution system 116 includes a profile creator 118, a network performance estimator 120, a file server 122, an OTA scheduler 124, an OTA on-road simulator/monitor 126, and a network performance analyzer 128. As noted above, in some embodiments, these components can be implemented by a single system or by multiple systems, on physical or virtualized hardware resources. In some embodiments, the components above are implemented as one or more software modules, each including instructions that, when executed by one or more processors of the OTA file distribution system 116, causes the processor(s) to perform operations described herein.

The profile creator 118 can create one or more connected car profiles 130 associated with one or more connected cars 106. A connected car profile 130 can include driving data. The driving data can include the connected cells of a connected car reported by cell detail records. The driving data can include data associated with where (geographically) a connected car 106 has been driven by the user 102 and/or autonomously. The driving data can include, for each driving instance, a date, a start time, an end time, and/or a duration of the driving instance. The driving data can include any other data associated with one or more driving instances associated with a connected car 106. For example, the driving data can include data obtained from one or more sensors (not shown) of the connected car 106. The driving data obtained from sensors can include throttle input data, brake input data, steering input data, and/or any other data associated with how the connected car 106 is driven. The driving data can be collected and superfluous driving data can be deleted over time and the connected car profile(s) 130 updated accordingly.

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