Method for Fast Compression of Program Codes for Remote Updates in Consumer Devices

Satoshi Mii; Ryozo Kiyohara; Mitsuhiro Matsumoto; Masayuki Numao; Satoshi Kurihara

doi:10.11485/itetr.33.8.0_41

ITE Technical Report

Online ISSN : 2424-1970
Print ISSN : 1342-6893
ISSN-L : 1342-6893

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33.8

Session ID : CE2009-25/MMS2009-25

DOI https://doi.org/10.11485/itetr.33.8.0_41

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Method for Fast Compression of Program Codes for Remote Updates in Consumer Devices

Satoshi Mii, Ryozo Kiyohara, Mitsuhiro Matsumoto, Masayuki Numao, Satoshi Kurihara

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Keywords: Software Updating, Program Code Compression, Byte Pair Encoding, NAND Flash Memory

CONFERENCE PROCEEDINGS FREE ACCESS

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Abstract

This paper presents the technology for remote system updating that allows software updates in embedded systems such as mobile phones and car navigation systems. Software updates are carried out using binary difference, software construction, and fast compression technologies. In this paper, we focus on a fast BPE (byte pair encoding) method of encoding program codes in embedded systems and show the index of relations between the updating time and the downloaded data size

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