Digital Transmission Engineering (IEEE Series on Digital & Mobile Communication)
Digital Transmission Engineering (IEEE Series on Digital & Mobile Communication)
IEEE Transactions on Communications
Interference cancellation enhancement through generalized widely linear equalization in QAM systems
IEEE Transactions on Wireless Communications
Designing MIMO communication systems: constellation choice and linear transceiver design
IEEE Transactions on Signal Processing - Part I
Design of block transceivers with decision feedback detection
IEEE Transactions on Signal Processing
Optimal designs for space-time linear precoders and decoders
IEEE Transactions on Signal Processing
IEEE Transactions on Signal Processing
Uniform channel decomposition for MIMO communications
IEEE Transactions on Signal Processing
Widely linear estimation with complex data
IEEE Transactions on Signal Processing
Optimal ISI-free DMT transceivers for distorted channels withcolored noise
IEEE Transactions on Signal Processing
On the Optimality of Uniform Pulse Amplitude Modulation
IEEE Transactions on Information Theory
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Constellation design has been previously addressed by assuming that there is a linear equalizer at the receiver side. However, the widely linear equalizer is well known to outperform the linear one with no significant complexity increase; we derive optimum and suboptimum techniques for constellation design in presence of such an equalizer. The proposed techniques adapt the circularity properties of the transmitted signals to the specific channel to be equalized; their performance analysis shows that also the simplest suboptimum procedure provides significant improvements over a fixed-constellation scheme.