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Data transmission method and apparatus for data service

  • US 10,412,778 B2
  • Filed: 03/31/2015
  • Issued: 09/10/2019
  • Est. Priority Date: 03/31/2015
  • Status: Active Grant
First Claim
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1. A data transmission method for a data service, comprising:

  • detecting a transmission state of each packet data protocol (PDP) link among all PDP links that is established for a data service, wherein any one of the PDP links is established for the data service based on either a default access point name (APN) of an application executing the data service or an APN corresponding to a service type of the data service;

    receiving application status information for an application executing a first data service corresponding to a first PDP link;

    determining a transmission state of the first PDP link according to the application status information;

    determining that the transmission state of the first PDP link is abnormal when the application status information is in an abnormal operating state;

    establishing a new PDP link based on a candidate APN when the transmission state of the first PDP link is abnormal, wherein the candidate APN supports an APN type of an APN used by the first PDP link; and

    transmitting, according to the new PDP link, data for the first data service corresponding to the first PDP link.

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