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System and method for providing continuous downloading service of large size contents through wireless network and computer readable medium for realizing the same

  • US 8,145,989 B2
  • Filed: 03/16/2007
  • Issued: 03/27/2012
  • Est. Priority Date: 04/15/2005
  • Status: Expired due to Fees
First Claim
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1. A method of providing a continuous downloading service of large size content through a wireless network comprising a mobile terminal and a content server, the method comprising:

  • receiving a request from the mobile terminal for downloading content, wherein the content comprises a plurality of individual files;

    generating and transmitting a first package list for the requested content to the mobile terminal;

    downloading the individual files included in the first package list to the mobile terminal;

    if the download is suspended, receiving i) a request for a continuous download of the content and ii) a second package list from the mobile terminal;

    extracting a third package list for the requested content, wherein the third package list is the latest package list of the requested content stored in the content server;

    comparing information of individual files in the second package list and the third package list;

    generating a first required file list including at least one individual file having different information in the second package list and the third package list;

    transmitting the first required file list to the mobile terminal;

    receiving one of i) size data of a temporary file previously downloaded to the mobile terminal and ii) a second required file list including at least one file from the mobile terminal; and

    downloading one of i) the remaining portion of the temporary file and ii) the at least one file of the second required file list to the mobile terminal.

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