• DocumentCode
    2775498
  • Title

    Diversity and Delay-Limited Throughput Analysis for the Effective Cooperative ARQ Protocols with Opportunistic Distributed Space-Time Coding

  • Author

    Chiu, Hsin-Li ; Wu, Sau-Hsuan ; Li, Jin-Hao

  • fYear
    2010
  • fDate
    16-19 May 2010
  • Firstpage
    1
  • Lastpage
    6
  • Abstract
    The paper investigates effective protocols and the corresponding performance for cooperative automatic retransmission request (ARQ) that uses the decode-and-forward (DF) opportunistic distributed space-time coding (ODSTC). According to the analysis, the delay-limited throughput enjoys significant enhancement even using one or two active relays only for ARQs than using direct retransmissions. Besides, allowing the non-active relays to overhear the DSTC signal sent by active relays during ARQs also leads to a better throughput via ODSTC. Nevertheless, in the high or the low SNR regimes, simple schemes without overhearing may provide almost the same performance offered by a scheme with overhearing despite the much inferior diversities. These features may be further explored to enhance the overall system throughput for multiple access systems using only limited system resources.
  • Keywords
    Automatic repeat request; Broadcasting; Decoding; Delay effects; Performance analysis; Protocols; Relays; Signal analysis; Throughput; Wireless communication;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Vehicular Technology Conference (VTC 2010-Spring), 2010 IEEE 71st
  • Conference_Location
    Taipei, Taiwan
  • ISSN
    1550-2252
  • Print_ISBN
    978-1-4244-2518-1
  • Electronic_ISBN
    1550-2252
  • Type

    conf

  • DOI
    10.1109/VETECS.2010.5494060
  • Filename
    5494060