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Semi-Blind Receivers for Two-Hop MIMO Relay Systems with a Combined TSTF-MSMKron Coding.

Pablo H U de Pinho1, Maria de F K B Couras1,2, Gérard Favier2

  • 1University of Brasilia, Federal District, Brasilia 70910-900, Brazil.

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Summary
This summary is machine-generated.

New tensor space-time-frequency (TSTF) coding combined with multiple symbol matrices Kronecker product (MSMKron) enhances cooperative relaying systems. This TSTF-MSMKron coding improves fifth-generation (5G) wireless networks by increasing diversity gain and coverage.

Keywords:
MIMO relayingTSTF-MSMKron codinggeneralized Tucker decompositionmultiple Kronecker productsemi-blind receivers

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Area of Science:

  • Wireless Communications
  • Signal Processing
  • Information Theory

Background:

  • Increasing mobile stations necessitate enhanced wireless network quality and coverage.
  • Cooperative relaying systems offer a promising solution for improving fifth-generation (5G) networks.

Purpose of the Study:

  • Propose a novel TSTF-MSMKron coding for OFDM-CDMA MIMO relay systems.
  • Enhance diversity gain and coverage in 5G wireless networks.

Main Methods:

  • Developed a two-hop OFDM-CDMA MIMO relay system.
  • Combined tensor space-time-frequency (TSTF) coding with multiple symbol matrices Kronecker product (MSMKron).
  • Derived two semi-blind receivers utilizing generalized Tucker models for joint symbol matrix and channel estimation.

Main Results:

  • Established necessary conditions for parameter identifiability for the proposed receivers.
  • Demonstrated the impact of design parameters on symbol error rate (SER) using Monte Carlo simulations with a zero-forcing (ZF) receiver.
  • Validated the effectiveness of TSTF-MSMKron coding and semi-blind receivers in increasing diversity gain.

Conclusions:

  • The proposed TSTF-MSMKron coding significantly enhances diversity gain in cooperative relaying systems.
  • The developed semi-blind receivers effectively estimate channels and symbol matrices.
  • The TSTF-MSMKron coding and receivers are crucial for advancing 5G wireless network performance.