Joint cooperative-transmit and receive FDE for single-carrier incremental relaying

Koichi Adachi, Kazuki Takeda, Sumei Sun, Fumiyuki Adachi

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

In this paper, we propose joint cooperative-transmit/receive frequency-domain equalization(cooperative-Tx/Rx FDE) with incremental relaying (IR) for broadband single-carrier (SC) transmission under the total and individual transmit power constraint at a source node (S) and a relay node (R). We derive the optimum cooperative-Tx/RxFDEweights to minimize the mean square error (MSE) after packet combining at a destination node (D). We show that the optimum cooperative-Tx FDE weights allocate the transmit power in the minimum MSE (MMSE) sense in the frequency domain and in the maximal ratio transmission (MRT) sense in the spatial domain. To relax the condition that the complete channel state information (CSI) needs to be shared among all nodes, selection-based suboptimum cooperative-Tx FDE weights are derived. Computer simulation verifies the effectiveness of the proposed schemes and shows that the 5%-outage throughput of the system can be increased by around 30% over the conventional IR with only Rx FDE.

Original languageEnglish
Pages (from-to)1-13
Number of pages13
JournalIEEE Transactions on Vehicular Technology
Volume62
Issue number1
DOIs
Publication statusPublished - 2013 Jan 1

Keywords

  • Cooperative relay transmission
  • Frequency-domain equalization (FDE)
  • Single-carrier (SC) transmission

ASJC Scopus subject areas

  • Automotive Engineering
  • Aerospace Engineering
  • Electrical and Electronic Engineering
  • Applied Mathematics

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