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Open access
2026
Low-Complexity 6G Reference Design Employing Non-Orthogonal GFDM–MIMO Interference Cancellation Technique
Anticipated scenarios for Sixth Generation (6G) mobile communications emphasize global connectivity, particularly for enhanced Remote Area Communications (eRAC). This paper proposes a high-data-rate Generalized Frequency Division Multiplexing (GFDM) transceiver reference design employing Spatial Multiplexing (SM)-Multi...
Danilo Gaspar, V. Rennó, L. G. B. Guedes et al.
· IEEE Open Journal of the Com... · 0 citations
Open access
Sep 2026
Adaptive DEBKA for joint beamforming and spectrum sharing in 6G massive MIMO IoT networks
DEBKA is developed, a training-free optimizer that assigns different search roles to two complementary mechanisms: a BKA-inspired Cauchy-Gaussian attack for local refinement and adaptive DE/current-to-pbest migration for population-difference exploration, and results support the contribution of the coupled search and c...
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2026
Energy-Efficient Massive MIMO via Adaptive Joint ADC and Baseband Quantization
To address the high energy consumption in massive multiple-input multiple-output (MIMO) systems, this letter proposes a two-stage quantization framework that jointly optimizes analog-to-digital converter (ADC) bit allocation (BA) and baseband bitwidth assignment. By leveraging the fact that ADC resolutions can be dynam...
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2026
SINR Distribution-Based LSFC and Nakagami-m Estimation in Power-Weighted RZF CF-mMIMO
Cell-free massive multiple-input multiple-output is a promising distributed architecture for future wireless networks, where accurate signal-to-interference-plus-noise ratio modeling is essential for channel-parameter inference. This letter proposes a distribution-driven estimator for downlink power-weighted regularize...
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Preprint
Oct 2026
Sum Rate Maximization for Practical RIS-Enhanced Rate-Splitting Multiple Access Systems
Reconfigurable intelligent surfaces (RIS) combined with rate-splitting multiple access (RSMA) provide a promising solution for improving the spectral efficiency (SE) of sixth-generation (6G) communication systems. However, most existing studies neglect the practical coupling between the RIS phase shift and amplitude, w...
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Open access
2026
Joint RIS-RSMA Optimization for Asynchronous Multi-User Cell-Free MIMO
A unified RIS-RSMA optimization framework for asynchronous downlink CF-MIMO and targeted comparisons using WMMSE and regularized zero-forcing private precoders, together with the common-power allocation results, support the need for joint common/private precoder design.
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· IEEE Open Journal of the Com... · 0 citations