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Method for transmitting signal for MTC and apparatus for same

  • US 10,165,602 B2
  • Filed: 11/14/2017
  • Issued: 12/25/2018
  • Est. Priority Date: 07/26/2013
  • Status: Active Grant
First Claim
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1. A method for performing a random access procedure by a user equipment (UE) in a wireless communication system supporting coverage enhancement, the method comprising:

  • repeatedly transmitting, by the UE, a physical random access channel (PRACH) signal;

    determining, by the UE, a random access radio network temporary identifier (RA-RNTI) corresponding to the PRACH signal using system frame number (SFN) information, wherein time index information and frequency index information are not used for determining the RA-RNTI; and

    monitoring, by the UE, downlink control information masked by the determined RA-RNTI,wherein the time index information indicates a subframe starting the repeated transmission of the PRACH signal, the frequency index information indicates a frequency index of the PRACH signal transmitted in the starting subframe, and the SFN information indicates a radio frame starting the repeated transmission of the PRACH signal.

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