Degrees of freedom in adaptive modulation a unified view.

Degrees of freedom in adaptive modulation a unified view.

We examine adaptive modulation schemes for flat-fading channels where the data rate, transmit power, and instantaneous BER are varied to maximize spectral efficiency, subject to an average power and BER constraint. Both continuous-rate and discrete-rate adaptation are considered, as well as average...

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Vydáno v:IEEE Transactions on communications 49, 9 (2001).
Hlavní autor: Seong Taek Chung
Médium: Článek
Jazyk:English
Témata:
Adaptive modulation.
Average power.
Channel quality.
Continuous-rate adaptation.
Data rate.
Degrees of freedom.
Discrete-rate adaptation.
Flat-fading channels.
Instantaneous BER.
Optimal adaptation.
Spectral efficiency.
Transmit power.
Wireless networks.