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Enhanced node B (ENB) and method for MTC coexistence

  • US 9,820,247 B2
  • Filed: 03/24/2015
  • Issued: 11/14/2017
  • Est. Priority Date: 07/30/2014
  • Status: Active Grant
First Claim
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1. An evolved Node B (eNB) configured to communicate with a User Equipment (UE) on a licensed band, the eNB comprising circuitry configured to:

  • transmit a physical downlink control channel (PDCCH) transmission on the licensed band;

    transmit, to the UE, a machine-type communication (MTC) system information block (M-SIB), the M-SIB including configuration information to configure a MTC region of the licensed band, wherein the MTC region includes a subset of frequencies of the licensed band, wherein the MTC region has a bandwidth of 1.4 MHz or less;

    transmit, to the UE, resource allocation information in a MTC downlink control channel of the MTC region, the MTC downlink control channel being time multiplexed with the PDCCH;

    transmit, to the UE, a channel state information reference signal (CSI-RS) within the MTC region;

    rate-match the resource allocation information around resource elements for the CSI-RS to avoid collisions between the CSI-RS and transmissions in the MTC region;

    transmit, to the UE, first data transmission on the MTC region in a downlink; and

    receive, from the UE, a second data transmission on the MTC region in an uplink.

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