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Supporting random access and paging procedures for reduced capability WTRUs in an LTE system

  • US 10,306,680 B2
  • Filed: 08/14/2015
  • Issued: 05/28/2019
  • Est. Priority Date: 08/15/2014
  • Status: Active Grant
First Claim
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1. A method implemented by a wireless transmit/receive unit (WTRU), the method comprising:

  • receiving a physical downlink control channel (PDCCH) order, the PDCCH order indicating that the WTRU should initiate a random access procedure, the PDCCH order further indicating a coverage enhancement (CE) level to be used for the random access procedure;

    transmitting a preamble using a physical random access channel (PRACH) resource based on the received PDCCH order;

    andrepeating the preamble, wherein the number of repetitions of the preamble is based on the CE level.

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