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TTI adaptation in E-DCH

  • US 9,019,883 B2
  • Filed: 03/30/2012
  • Issued: 04/28/2015
  • Est. Priority Date: 04/01/2011
  • Status: Active Grant
First Claim
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1. A network apparatus for a wireless network, the network apparatus being configured to communicate with wireless mobile terminals and to control communication of the wireless mobile terminals, and the network apparatus comprising at least one controller configured with a memory storing computer instructions to schedule a given wireless mobile terminal in a cell for a first common Enhanced Dedicated Channel (E-DCH) resource selected from a selection of common E-DCH resources available in the cell by:

  • including an information element in a System Information Block (SIB) that is SIB5 or SIB5bis, wherein the information element indicates what Absolute Grant Channel (AGCH) configuration parameters are to be used, the AGCH configuration parameters including for each AGCH a 2 ms transmission time interval (TTI) or a 10 ms TTI, and the information element further indicates the respective TTI and AGCH to be used for each of the selection of common E-DCH resources, wherein some of the common E-DCH resources have an AGCH with the 2 ms TTI, and others of the common E-DCH resources have an AGCH with the 10 ms TTI; and

    without modifying the information element, selecting for and allocating to the given wireless terminal in the cell the first common E-DCH resource taking into account the respective TTI indicated for the first common E-DCH resource.

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