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Cross-layer optimization of multi-hop radio networks with multi-user detectors [indoor wireless LAN example]

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3 Author(s)
Loretti, S. ; Dept. of Signals. Sensors & Syst., R. Inst. of Technol., Stockholm, Sweden ; Soldati, P. ; Johansson, M.

We present an efficient approach for cross-layer optimization of a class of wireless networks equipped with multi-user detectors. For a given network, the method provides the optimal operation of transport, routing and radio link layers as well as the optimal coordination across the layers. The algorithm combines a column generation procedure with an optimal greedy resource allocation scheme into a powerful numerical method for computing the performance limits for networks of significant sizes. The method is applied to a simple network scenario and performance benefits of multi-user detectors and cross-layer coordination over alternative schemes are investigated.

Published in:

Wireless Communications and Networking Conference, 2005 IEEE  (Volume:4 )

Date of Conference:

13-17 March 2005