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Joint Power and Time Allocation for Adaptive Distributed MIMO Multi-Hop Networks

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3 Author(s)
Yidong Lang ; Dept. of Commun. Eng., Univ. of Bremen, Bremen ; Dirk Wubben ; Karl-Dirk Kammeyer

Distributed MIMO multi-hop relaying can provide cooperative diversity and overcome path losses, hence, boost the end-to-end (e2e) performance. By using a low-complexity adaptive scheme, where one relay stops sending the message if it is in outage and other nodes adapt to a new space-time code, robust communication links can be further achieved. The contribution of this paper is the derivation of near-optimal closed-form solution for joint power and time allocation for such adaptive scheme that minimizes he transmission power while satisfying a given e2e non-ergodic outage probability.

Published in:

Vehicular Technology Conference, 2009. VTC Spring 2009. IEEE 69th

Date of Conference:

26-29 April 2009