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METHOD AND APPARATUS FOR SYSTEM INFORMATION BLOCK (SIB) ACQUISITION FOR WIRELESS TRANSMIT/RECEIVE UNITS (WTRUS) IN NON-CE AND COVERAGE ENHANCED (CE) MODES

  • US 20200137669A1
  • Filed: 12/23/2019
  • Published: 04/30/2020
  • Est. Priority Date: 03/19/2014
  • Status: Active Grant
First Claim
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1. A method, implemented in a wireless transmit/receive unit (WTRU), the method comprising:

  • receiving a signal derived from a paging radio network temporary identifier (P-RNTI), wherein the signal includes downlink control information (DCI), the signal is without downlink (DL) grant information for an associated paging message, and the DCI includes at least one of a single bit indication of system information modification, an earthquake tsunami warning system (ETWS) indication, or a commercial mobile alert service (CMAS) indication; and

    on a condition that the at least one single bit indication indicates that a system information block (SIB) has changed or will change, acquiring or re-acquiring the SIB.

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