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The interplay of link layer and physical layer under MIMO enhancement: benefits and challenges

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2 Author(s)
Boche, H. ; Berlin Univ. of Technol. ; Wiczanowski, M.

This article provides an analysis of the impact of the multi-antenna enhancement of the physical layer on the link layer performance of a wireless network. We first remain within the network-centric design philosophy and characterize the influence of MIMO enhancement on the stability-oriented scheduler design. We quantify the benefits in terms of average delay and work in the system under stability-optimal operation. Finally, the use of MIMO is discussed in the approach of minimum service provision, pertaining to the opposite user-centric design philosophy

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Wireless Communications, IEEE  (Volume:13 ,  Issue: 4 )