Superposed Multicarrier Transmission

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Other Title
  • マルチキャリア重畳伝送(番組制作技術・送出技術、および一般)
  • マルチキャリア重畳伝送
  • マルチキャリア チョウジョウ デンソウ

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Abstract

As a scheme to improve frequency utilization efficiency, we have been working on superposed multicarrier transmission scheme where several wireless systems share spectrum. In superposed multicarrier transmission scheme, the effects of interference signal on superposed band are suppressed by forward error correction (FEC). To realize this suppression, log likelihood ratio (LLR) should be set appropriately particularly on superposed band. However, in most cases, superposed band and power of interference signal are unknown to the system so that we need to estimate them. In this report, we explain superposed multicarrier transmission scheme. We also explain our proposed estimation techniques of them.

Journal

  • ITE Technical Report

    ITE Technical Report 39.20 (0), 9-12, 2015

    The Institute of Image Information and Television Engineers

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