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GPRS terminal remote upgrade method

A remote upgrade and terminal technology, applied in the field of remote upgrade, can solve the problems of low upgrade efficiency and high upgrade cost, and achieve the effects of improving success rate, reducing workload, and reducing upgrade cost

Active Publication Date: 2015-04-29
LNGTOP TECH JIANGSU
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Problems solved by technology

The download success rate of this traditional upgrade method is high, but when the smart electronic terminals are distributed in a very wide area, or even used on mobile devices such as vehicles, it will take a lot of manpower and material resources to download the update code on site, and the upgrade cost is relatively high. , the upgrade efficiency is low

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Embodiment Construction

[0024] Below in conjunction with accompanying drawing, describe in detail the specific implementation scheme of the remote upgrade method of a kind of GPRS terminal of the present invention:

[0025] based on figure 1 Shown hardware circuit, the remote upgrading method of GPRS terminal of the present invention, its concrete steps comprise:

[0026] 1) Pre-processing of the upgrade code: after the upgrade server 2 responsible for performing the upgrade receives the upgrade code file sent by the application server 1 responsible for the upgrade management, it first performs a cyclic redundancy check code (Cyclic Redundancy Check) on the entire upgrade code file. ) check is the CRC check. Add the check value of the entire upgrade code at the end of the upgrade code file, that is, the overall check code. Then, the upgrade code file with the overall check code added is usually divided into several pieces according to 1 KB per frame. Code segment, and add the CRC check code of this ...

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Abstract

The invention discloses a GPRS terminal remote upgrade method. Based on the method, the upgrade cost can be reduced and the upgrade efficiency can be improved. The GPRS terminal remote upgrade method comprises the following steps: upgrade code preprocessing, wherein an upgrade code document is divided into multiple code segments and the code segments are numbered in sequence; upgrade notifying, wherein an application server issues an upgrade command; upgrade initiating, wherein a GPRS terminal establishes connection with an upgrade server and notifies the application server; upgrade executing, whrein the GPRS terminal sends a request command to the upgrade server, the upgrade server sends the code segment with corresponding number in the upgrade code document to the GPRS terminal, and the GPRS terminal downloads a code segment with the next number after receiving the code segment correctly, if the GPRS terminal receives the code segment wrong and fails to achieve the set number of times, the GPRS terminal continues downloading the code segment, and otherwise the GPRS terminal interrupts the downloading; when the code segments are downloaded completely and correctly, the upgrade is finished; otherwise, the downloading is repeated from the beginning. The GPRS terminal remote upgrade method can be widely applied to various intelligent electron terminals.

Description

technical field [0001] The invention relates to the field of wireless communication, in particular to a method for remotely upgrading GPRS terminals (terminals based on general packet radio service technology). Background technique [0002] At present, when various intelligent electronic terminals need to upgrade codes, the most traditional method is to bring the intelligent electronic terminals to the site and update the codes through program download ports such as serial ports. The download success rate of this traditional upgrade method is high, but when the smart electronic terminals are distributed in a very wide area, or even used on mobile devices such as vehicles, it will take a lot of manpower and material resources to download the update code on site, and the upgrade cost is relatively high. , the upgrade efficiency is low. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a remote upgrade method for GPR...

Claims

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Application Information

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IPC IPC(8): H04L29/08
CPCG06F8/65H04L67/06H04L67/34
Inventor 戢汉帮
Owner LNGTOP TECH JIANGSU
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