A multiple antenna multihop relay network consisting of a source, a relay, and a destination node, is considered. The diversity-multiplexing-delay tradeoffs (DMDT) for various multihop ARQ protocols are obtained. It is shown that the tradeoff region is limited by the performance of the weakest link, and hence the optimal ARQ protocol should balance the link performances by allocating the ARQ rounds among all links. Based on this argument, a Variable Block-Length (VBL) ARQ protocol is proposed and its DMDT-optimality is shown.

Multihop MIMO relay networks with ARQ / Xie, Y; Gunduz, D; Goldsmith, A. - (2009), pp. 6237-6242. (Intervento presentato al convegno 2009 IEEE Global Telecommunications Conference, GLOBECOM 2009 tenutosi a Honolulu, HI, usa nel 2009) [10.1109/GLOCOM.2009.5426214].

Multihop MIMO relay networks with ARQ

Gunduz D;
2009

Abstract

A multiple antenna multihop relay network consisting of a source, a relay, and a destination node, is considered. The diversity-multiplexing-delay tradeoffs (DMDT) for various multihop ARQ protocols are obtained. It is shown that the tradeoff region is limited by the performance of the weakest link, and hence the optimal ARQ protocol should balance the link performances by allocating the ARQ rounds among all links. Based on this argument, a Variable Block-Length (VBL) ARQ protocol is proposed and its DMDT-optimality is shown.
2009
2009 IEEE Global Telecommunications Conference, GLOBECOM 2009
Honolulu, HI, usa
2009
6237
6242
Xie, Y; Gunduz, D; Goldsmith, A
Multihop MIMO relay networks with ARQ / Xie, Y; Gunduz, D; Goldsmith, A. - (2009), pp. 6237-6242. (Intervento presentato al convegno 2009 IEEE Global Telecommunications Conference, GLOBECOM 2009 tenutosi a Honolulu, HI, usa nel 2009) [10.1109/GLOCOM.2009.5426214].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/1202654
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