On the Detection of Single-Carrier Block Transmission Systems

  • 葉 紘瑜

Student thesis: Master's Thesis

Abstract

In fast time-varying channel the orthogonal frequency division multiplexing (OFDM) system suffers from inter-subchannel interference(ICI) The problem of ICI also occurs in the single-carrier block transmission(SCBT) with frequency-domain equalization(FDE) system Though the ICI problem has caused much concern for the OFDM system some of these algorithms are also suitable for the SC-FDE system The effect of ICI may come from carrier frequency shift or the high-mobility (fast time-varying) channel In this thesis we consider an ICI self-reduction algorithm for the SC-FDE system In order to prevent the enhancement of residual ICI after the ICI self-reduction we apply the K-Best algorithm in detection to search for the near maximum-likelihood (ML) solution With the detection based on K-best algorithm we can avoid the residual ICI enhancement We compare our results with another method that can also reduce the enhancement of residual ICI and the simulation results validate our method
Date of Award2017 Aug 21
Original languageEnglish
SupervisorMing-Xian Chang (Supervisor)

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