OFDM Mobile Packet Transmission System with Multiuser Detection and Metric Combining ARQ

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This paper proposes an OFDM mobile packet transmission scheme that increases throughput by using nonlinear multiuser detection (MUD) and automatic repeat request (ARQ) with metric-combining. The scheme identifies users by detecting user identification (ID) symbols located at the head of a packet, and can separate packets that have collided by using MUD. It also forces the respective transmitters to retransmit the same packets so as to reproduce the collision if the cyclic redundancy check (CRC) detects some errors, and it uses metric-combining to decrease the number of retransmissions. The results of computer simulations show that the proposed scheme can provide twice the throughput of the conventional schemes.

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詳細情報 詳細情報について

  • CRID
    1570009752411873280
  • NII論文ID
    110003222579
  • NII書誌ID
    AA10826261
  • ISSN
    09168516
  • 本文言語コード
    en
  • データソース種別
    • CiNii Articles

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