A multi-hop relay channel with multiple antenna terminals in a quasi-static slow fading environment is considered. For both full-duplex and half-duplex relays the fundamental diversity-multiplexing tradeoff (DMT) is analyzed. It is shown that, while decode-and-forward (DF) relaying achieves the optimal DMT in the full-duplex relay scenario, the dynamic decode and-forward (DDF) protocol is needed to achieve the optimal DMT if the relay is constrained to half-duplex operation. For the latter case, static protocols are considered as well, and the corresponding achievable DMT performance is characterized. © 2008 IEEE.
Diversity-multiplexing tradeoffs in MIMO relay channels / Gunduz, D.; Goldsmith, A.; Poor, H. V.. - (2008), pp. 981-986. (Intervento presentato al convegno 2008 IEEE Global Telecommunications Conference, GLOBECOM 2008 tenutosi a New Orleans, LA, usa nel 2008) [10.1109/GLOCOM.2008.ECP.194].
Diversity-multiplexing tradeoffs in MIMO relay channels
D. Gunduz;
2008
Abstract
A multi-hop relay channel with multiple antenna terminals in a quasi-static slow fading environment is considered. For both full-duplex and half-duplex relays the fundamental diversity-multiplexing tradeoff (DMT) is analyzed. It is shown that, while decode-and-forward (DF) relaying achieves the optimal DMT in the full-duplex relay scenario, the dynamic decode and-forward (DDF) protocol is needed to achieve the optimal DMT if the relay is constrained to half-duplex operation. For the latter case, static protocols are considered as well, and the corresponding achievable DMT performance is characterized. © 2008 IEEE.
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