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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Τόπος έκδοσης:	IEEE Transactions on communications 49, 9 (2001).
Κύριος συγγραφέας:	Seong Taek Chung
Μορφή:	Άρθρο
Γλώσσα:	English
Θέματα:	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.