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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(shù)領(lǐng)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 heuristic scheduling algorithm 136 also can be designed in consideration of minimizing the impact on the RAN 108 and/or the network 114. In particular, the heuristic scheduling algorithm 136 can minimize the number of connected cars 106 that are permitted to connect to the same cell for OTA download simultaneously to prevent a decrease in throughput. The heuristic scheduling algorithm 136 can minimize the number of neighboring cells supporting OTA downloads to mitigate (or prevent in some instances) interference.

The heuristic scheduling algorithm 136 also can be designed in consideration of large scale deployment of devices, such as the connected cars 106, in a given market. For example, it is expected that millions of connected cars will be on the road in the United States in 2017 and the expectation is this number will increase every year thereafter as older cars are replaced with cars that have connected car capability. As such, it is possible that hundreds if not thousands of connected cars can be scheduled for OTA download for each 24-hour time period in a given schedule time window.

權(quán)利要求

1
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