Adaptive modulation scheme has been widely used in multiple-input multiple-output (MIMO)
systems to enhance the spectral efficiency while maintaining the bit-error-rate (BER) under a …

Adaptive modulation scheme has been widely used in multiple-input multiple-output (MIMO)
systems to enhance spectral efficiency while maintaining the bit error rate (BER) under a …

In need for high-speed data transmission over wireless channels, multiple-input multiple-
output (MIMO) technology has been suggested as it exhibits significant improvement in …

Adaptive MQAM modulation is used to maximize spectral efficiency of multiple-input multiple-
output (MIMO) systems while keeping bit error rate (BER) under a target level. Closed-form …

Adaptive modulation (AM) schemes in multiinput multioutput (MIMO) systems are usually
designed and analyzed under the assumption of perfect channel state information (CSI). In …

Adaptive MQAM modulation is used to maximize spectral efficiency while keeping bit error
rate (BER) under a target level. The closed-form expressions of the average spectral …

We provide a systematic study of adaptive modulation schemes in multiple-input-multiple-
output (MIMO) orthogonal space-time block code (OSTBC) systems. Closed-form …

In this paper, we mainly study the performance of adaptive M-QAM in transmit antenna
selection (TAS) with the Alamouti scheme. We first derive expressions for the statistics of the …

The performance of multiple-input multiple-output (MIMO) systems using spatial multiplexing
is analyzed under channel prediction errors. We derive exact closed-form expressions for …

Using spatial modulation (SM) jointly with adaptive modulation (AM), we propose a low-
complexity and spectrally-efficient transmission scheme in a multiple-input multiple-output …