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Apparatus and method for determining CQI report cycle in an HSDPA communication system

  • US 20040022213A1
  • Filed: 06/02/2003
  • Published: 02/05/2004
  • Est. Priority Date: 05/31/2002
  • Status: Abandoned Application
First Claim
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1. An apparatus for determining channel quality indicator (CQI) report cycles for user equipments (UEs), upon receiving CQI information from the UEs receiving a high speed downlink packet access (HSDPA) service from a Node B, in a mobile communication system including the Node B and a plurality of the UEs existing in a cell region occupied by the Node B, the apparatus comprising:

  • a receiver for receiving from each of the UEs acknowledgement (ACK) information or negative acknowledgement (NACK) information indicating whether received data is defective; and

    a recommended CQI report cycle determiner for calculating an ACK information occurrence rate by counting a number of the ACK information or the NACK information detected for each of the UEs for a predetermined period, comparing the ACK information occurrence rate with a predetermined ACK information occurrence rate, and determining recommended CQI report cycles for the UEs according to the comparison result.

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