6 citations · 40 across the 132 of their papers we have counts for
14 papers · 1 filter
Study of Switched Max-Link Relay Selection for Cooperative Multiple-Antenna Systems
F. L. Duarte, R. C. de Lamare
In this work, we present a switched relaying framework for multiple-input multiple-output (MIMO) relay systems where a source node may transmit directly to a destination node or ai…
Study of Adaptive Activity-Aware Constellation List-Based Detection for Massive Machine-Type Communications
R. B. di Renna, R. C. de Lamare
In this work, we propose an adaptive list-based decision feedback detector along with an -norm regularized recursive least-squares algorithm that only requires pilot symbols (…
Joint AGC and Receiver Design for Large-Scale MU-MIMO Systems with Coarsely Quantized Signals and C-RANs
T. Cunha, R. C. de Lamare, T. N. Ferreira
In this work, we propose the joint optimization of the automatic gain control (AGC), which works in the remote radio heads (RHHs), and a low-resolution aware (LRA) linear receive f…
Study of Non-Uniform Channel Polarization and Design of Polar Codes with Arbitrary Rates
Robert M. Oliveira, Rodrigo C. de Lamare
In this paper, we present the concept of non-uniform channel polarization and a scheme for rate-compatible polar code construction for any codeword length using additive white Gaus…
Compressed Sensing with Probability-based Prior Information
Q. Jiang, S. Li, Z. Zhu +3
This paper deals with the design of a sensing matrix along with a sparse recovery algorithm by utilizing the probability-based prior information for compressed sensing system. With…
Robust DCD-Based Recursive Adaptive Algorithms
Y. Yu, L. Lu, Z. Zheng +3
The dichotomous coordinate descent (DCD) algorithm has been successfully used for significant reduction in the complexity of recursive least squares (RLS) algorithms. In this work,…
Study of Adaptive Activity-Aware Iterative Detection Techniques for Massive Machine-Type Communications
R. B. Di Renna, R. C. de Lamare
This work studies the uplink of grant-free low data-rate massive machine-to-machine communications (mMTC) where devices are only active sporadically, which requires a joint activit…
Study of Max-Link Relay Selection with Buffers for Multi-Way Cooperative Multi-Antenna Systems
F. L. Duarte, R. C. de Lamare
In this paper, we present a relay-selection strategy for multi-way cooperative multi-antenna systems that are aided by a central processor node, where a cluster formed by two users…
Study of Rate-Splitting Techniques with Block Diagonalization for Multiuser MIMO Systems
A. Flores, R. C. de Lamare
In this work, we investigate Block Diagonalization (BD) techniques for multiuser multiple-antenna systems using rate-splitting (RS) multiple access. In RS multiple access the messa…
Study of Activity-Aware Multiple Feedback Successive Interference Cancellation for Massive Machine-Type Communications
R. B. di Renna, R. C. de Lamare
In this work, we propose an activity-aware low-complexity multiple feedback successive interference cancellation (AA-MF-SIC) strategy for massive machine-type communications. The c…
Switched Max-Link Relay Selection Algorithms for Buffer-Aided Relay Systems
F. L. Duarte, R. C. de Lamare
In this paper, we investigate relay selection for cooperative multiple-antenna systems that are equipped with buffers, which increase the reliability of wireless links. In particul…
Study of Sparsity-Aware Reduced-Dimension Beam-Doppler Space-Time Adaptive Processing
Zhaocheng Yang, Rodrigo C. de Lamare
Existing reduced-dimension beam-Doppler space-time adaptive processing (RD-BD-STAP) algorithms are confined to the beam-Doppler cells used for adaptation, which often leads to some…
Study of Robust Distributed Diffusion RLS Algorithms with Side Information for Adaptive Networks
Y. Yu, H. Zhao, R. C. de Lamare +2
This work develops robust diffusion recursive least squares algorithms to mitigate the performance degradation often experienced in networks of agents in the presence of impulsive…
Coding Techniques for Future Wi-Fi
A. G. D. Uchoa, R. C. de Lamare
Future wireless applications such as high definition video streaming, wireless cloud radio access networks, and cellular data offload are bandwidth-hungry, which highlights the nee…