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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

Turning now briefly to FIG. 3, a graph 300 illustrating an OTA hourly traffic comparison between CASE 0 and CASE 1 will be described. As shown in the graph 300, CASE 1 smoothens the hourly OTA flow compared to the centralized flow of CASE 0. At the peak hour (hour 7), the OTA size of CASE 1 is nearly half of CASE 0. Thus, it can be seen that the heuristic scheduling algorithm 136 as demonstrated by the results of CASE 1 effectively smoothens the OTA impact on the RAN 108 during busy hours.

Returning to FIG. 1, the illustrated connected car 106 includes a connected car processor 140, a connected car memory 142, a connected car firmware 144, a connected car wireless communications component 146, a connected car operation system 148, and a connected car software application 150. Each of these components will now be described in detail.

權(quán)利要求

1
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