We first study the capacity of Nakagami multipath fading (NMF) channels with an average
power constraint for three power and rate adaptation policies. We obtain closed-form …

We study the performance of constant-power variable-rate M-QAM schemes over Nakagami
fading channels. We obtain closed-form expressions for the outage probability, spectral …

We study the capacity of Nakagami multipath fading (NMF) channels with an average power
constraint for three power and rate adaptation policies. We obtain closed-form solutions for …

We propose a variable-rate and variable-power MQAM modulation scheme for high-speed
data transmission over fading channels. We first review results for the Shannon capacity of …

This letter investigates the capacity of generalized-k fading channels. This very general
model describes accurately composite multipath/shaodwing fading channels which are …

We propose a variable power and rate adaptive MQAM modulation scheme for high-speed
data transmission on fading channels. We show that using just five or six different signal …

When adaptive modulation is used to counter short-term fading in mobile radio channels,
signaling delays create problems with outdated channel state information. The use of …

This paper investigates the performance of adaptive M-ary quadrature amplitude modulation
(QAM) with antenna subset diversity. We consider a slow adaptive modulation (SAM) …

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 …

We determine the bit-error rate (BER) of multilevel quadrature amplitude modulation (M-
QAM) in flat Rayleigh fading with imperfect channel estimates, Despite its high spectral …