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Network node, user equipment and methods therein

  • US 8,982,814 B2
  • Filed: 01/27/2012
  • Issued: 03/17/2015
  • Est. Priority Date: 11/04/2011
  • Status: Active Grant
First Claim
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1. A method in a network node for transmitting an enhanced Control CHannel (eCCH) to a user equipment in a telecommunications system, wherein the eCCH comprises control information to the user equipment, in at least one Control Channel Element (CCE), which at least one CCE maps to a number of resource elements comprised in at least one enhanced resource element group, which at least one enhanced resource element group is comprised in at least one resource block in a time-frequency Orthogonal Frequency Division Multiplexing (OFDM) grid, the method comprising:

  • modulating a first eCCH by using a higher order modulation than Quadrature Phase Shift Keying (QPSK) modulation, in response to a CCE aggregation level that is smaller than the smallest CCE aggregation level of a Physical Downlink Control CHannel (PDCCH) is used for the first eCCH;

    mapping the modulated first eCCH to the at least one enhanced resource element group of resource elements in the at least one resource block; and

    transmitting the mapped first eCCH to the user equipment.

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