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Method and apparatus for performing network entry/reentry in wireless communication system

  • US 9,510,312 B2
  • Filed: 10/21/2011
  • Issued: 11/29/2016
  • Est. Priority Date: 10/21/2010
  • Status: Active Grant
First Claim
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1. A method of performing a network reentry by a fixed machine-to-machine (M2M) device in an idle mode in a wireless communication system, the method comprising:

  • receiving a paging message or a paging indicator channel (PICH) from a base station (BS),wherein the paging message or the PICH includes information related to a transmission timing of control information, the control information including uplink resource allocation information for a transmission of a ranging request message or an radio resource control (RRC) connection request message for the fixed M2M device, the uplink resource allocation information including a dedicatedly allocated resource to the fixed M2M device,receiving the control information from the BS, based on the information related to the transmission timing of the control information,wherein the control information and paging message are separately received, orwherein the control information and PICH are separately received respectively,transmitting the ranging request message or the RRC connection request message, without transmitting a contention-based ranging sequence or a random access channel (RACH) sequence to the BS through the dedicatedly allocated resource.

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