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METHOD AND RECEIVING APPARATUS FOR PROCESSING ARQ BLOCK IN WIBRO SYSTEM

  • US 20080212505A1
  • Filed: 01/03/2008
  • Published: 09/04/2008
  • Est. Priority Date: 01/03/2007
  • Status: Abandoned Application
First Claim
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1. A method for processing an Automatic Repeat reQuest (ARQ) block by a receiving apparatus of a Wireless Broadband (WiBro) system, comprising the steps of:

  • grouping ARQ blocks having continuous Block Sequence Numbers (BSNs) among ARQ blocks received through one frame within an ARQ receive (Rx) window, thereby generating one or more ARQ block groups;

    determining if the generated ARQ block groups are merged with the previously received one or more ARQ block groups in a group list in which previously received ARQ block groups are arranged according to BSNs;

    generating a purge timer in a first ARQ block of an ARQ block group having the largest BSN among the generated ARQ block groups if the generated ARQ block groups are not merged with the previously received one or more ARQ block groups; and

    sliding a starting point of the Rx window up to an ARQ block following a last ARQ block of the generated ARQ block group if the purge timer reaches a timeout, and then receiving new ARQ blocks within the slid Rx window.

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