Enhanced access control in LTE advanced systems

  • US 8,938,233 B2
  • Filed: 08/14/2012
  • Issued: 01/20/2015
  • Est. Priority Date: 08/16/2011
  • Status: Active Grant
First Claim
Patent Images

1. A method comprising:

  • detecting a device enhanced access barring (EAB) configuration by a Machine-Type Communications (MTC) device in a mobile communication network, wherein the device EAB configuration indicates whether the MTC is configured with EAB such that the MTC is subject to restriction of any EAB category;

    acquiring enhanced access barring (EAB) information from a base station by the MTC if the MTC is configured with EAB, wherein the EAB information indicates whether barring is applied to a number of EAB categories and a number of access classes broadcasted via a system information block;

    performing enhanced access barring by the MTC device for radio resource control (RRC) connection based on the EAB information; and

    performing access class barring (ACB) for RRC connection if the MTC device is configured for ACB and is not barred by the enhanced access barring.

View all claims

    Thank you for your feedback