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Analytic Framework for the Effective Rate of MISO Fading Channels

Michail Matthaiou (Institutionen för signaler och system, Signalbehandling) ; G. C. Alexandropoulos ; H. Q. Ngo ; E. G. Larsson
IEEE Transactions on Communications (0090-6778). Vol. 60 (2012), 6, p. 1741-1751.
[Artikel, refereegranskad vetenskaplig]

The delay constraints imposed by future wireless applications require a suitable metric for assessing their impact on the overall system performance. Since the classical Shannon's ergodic capacity fails to do so, the so-called effective rate was recently established as a rigorous alternative. While prior relevant works have improved our knowledge on the effective rate characterization of communication systems, an analytical framework encompassing several fading models of interest is not yet available. In this paper, we pursue a detailed effective rate analysis of Nakagami-m, Rician and generalized-K multiple-input single-output (MISO) fading channels by deriving new, analytical expressions for their exact effective rate. Moreover, we consider the asymptotically low and high signal-to-noise regimes, for which tractable, closed-form effective rate expressions are presented. These results enable us to draw useful conclusions about the impact of system parameters on the effective rate of different MISO fading channels. All the theoretical expressions are validated via Monte-Carlo simulations.

Nyckelord: Delay constraints, effective rate, fading channels, multiple-input, single-output (MISO) systems, service driven power, performance analysis, spectral efficiency, radio, propagation, rate adaptation, wireless links, capacity, quality, systems, model

Denna post skapades 2012-08-16. Senast ändrad 2013-06-28.
CPL Pubid: 161795


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Institutioner (Chalmers)

Institutionen för signaler och system, Signalbehandling (1900-2017)


Elektroteknik och elektronik

Chalmers infrastruktur