@inproceedings{3d5d1dd8df644aaca43e5536029a8904,
title = "Repair Delay Performance Analysis of Mobile Caching Systems Using Erasure Codes",
abstract = "We focus on a mobile caching system using erasure codes to cache content in mobile devices, which enter and depart a fixed area according to Poisson process. Due to the high mobility of devices, cached content is lost and to be repaired by device-to-device (D2D) communication. We consider the limited communication range and repair process with multiple contacts among mobile devices. We adopt a coded repair scheme which the repair process runs periodically, and derive analytical expressions of the average repair delay. The derived expressions are then used to evaluate repair delay using different erasure codes and file size. The results show that maximum distance separable codes can yield lower average repair delay compared to regenerating codes for small size of file. We further find that increasing the speed of mobile devices can reduce the average repair delay.",
keywords = "Mobile caching systems, device mobility, device-to-device communication, erasure codes, repair delay",
author = "Wancheng Lu and Ye Wang and Shushi Gu and Liang Xiong and Qinyu Zhang",
note = "Publisher Copyright: {\textcopyright} 2020 IEEE.; 91st IEEE Vehicular Technology Conference, VTC Spring 2020 ; Conference date: 25-05-2020 Through 28-05-2020",
year = "2020",
month = may,
doi = "10.1109/VTC2020-Spring48590.2020.9129026",
language = "英语",
series = "IEEE Vehicular Technology Conference",
publisher = "Institute of Electrical and Electronics Engineers Inc.",
booktitle = "2020 IEEE 91st Vehicular Technology Conference, VTC Spring 2020 - Proceedings",
address = "美国",
}