Diversity-multiplexing tradeoff in half-duplex relay systems

YÜKSEL TURGUT A. M., Erkip E.

IEEE International Conference on Communications (ICC 2007), Glasgow, Birleşik Krallık, 24 - 28 Haziran 2007, ss.689-694 identifier identifier

  • Yayın Türü: Bildiri / Tam Metin Bildiri
  • Doi Numarası: 10.1109/icc.2007.118
  • Basıldığı Şehir: Glasgow
  • Basıldığı Ülke: Birleşik Krallık
  • Sayfa Sayıları: ss.689-694
  • Orta Doğu Teknik Üniversitesi Adresli: Hayır

Özet

We study the multiple antenna half-duplex relay channel from the diversity-multiplexing tradeoff (DMT) perspective. We find performance upper bounds and show that compress-and-forward (CF) protocol achieves the upper bound. We argue that although it is hard to find the exact DMT expressions for decode-and-forward (DF) type protocols, they would be suboptimal in the multiple antenna case. We also study the multiple-access relay channel (MARC), and evaluate how CF works in this system. Our results show that CIF is a robust strategy, which performs well in different relay networks and multiple antenna scenarios.