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05/08/2023
Uplink Multiplexing of eMBB/URLLC Services Assisted by Reconfigurable Intelligent Surfaces
Reconfigurable intelligent surfaces (RISs) with their potential of enabl...
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04/14/2023
Raptor-IRSA Grant-free Random Access Protocol for Smart Grids Applications
This paper deals with the reliability of random access (RA) protocols fo...
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04/08/2023
Machine Learning-based Methods for Joint Detection-Channel Estimation in OFDM Systems
In this work, two machine learning (ML)-based structures for joint detec...
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04/08/2023
Improving Spectral Efficiency via Pilot Assignment and Subarray Selection Under Realistic XL-MIMO Channels
The main requirements for 5G and beyond connectivity include a uniform h...
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04/07/2023
NOMA-aided double RIS under Nakagami-m fading: Channel and System Modelling
We investigate the downlink outage performance of double-RIS-aided non-o...
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04/07/2023
Improving Random Access with NOMA in mMTC XL-MIMO
The extra-large multiple-input multiple-output (XL-MIMO) architecture ha...
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02/28/2023
Reconfigurable Intelligent Surfaces to Enable Energy-Efficient IoT Networks
In this article, we study the uplink (UL) channel of a cellular network ...
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02/28/2023
Energy Efficiency and Throughput of Random Access Protocols for RIS-Aided IoT Networks
Green Internet of Things (IoT) aims to enable a sustainable smart world ...
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01/31/2023
Randomized Control of Wireless Temporal Coherence via Reconfigurable Intelligent Surface
A reconfigurable intelligent surface (RIS) can shape the wireless propag...
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01/12/2023
Multi-Power Level Q-Learning Algorithm for Random Access in NOMA mMTC Systems
The massive machine-type communications (mMTC) service will be part of n...
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01/08/2023
Massive MIMO and NOMA Bits-per-Antenna Efficiency under Power Allocation Policies
A comparative resource allocation analysis in terms of received bits-per...
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01/07/2023
GA-Aided Directivity in Volumetric and Planar Massive-Antenna Array Design
The problem of directivity enhancement, leading to the increase in the d...
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05/13/2022
QoS-Aware User Scheduling in Crowded XL-MIMO Systems Under Non-Stationary Multi-State LoS/NLoS Channels
Providing minimum quality-of-service (QoS) in crowded wireless communica...
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04/05/2022
Outage Performance of RIS-aided Cooperative FD-SWIPT-NOMA in Nakagami-m Channels
In this work we derive new analytical expressions for the outage probabi...
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10/30/2021
Throughput and Latency in the Distributed Q-Learning Random Access mMTC Networks
In mMTC mode, with thousands of devices trying to access network resourc...
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07/23/2021
Decentralized Design of Fast Iterative Receivers for Massive and Extreme-Large MIMO Systems
Despite the extensive use of a centralized approach to design receivers ...
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07/21/2021
User-Centric Perspective in Random Access Cell-Free Aided by Spatial Separability
In a cell-free massive multiple-input multiple-output (mMIMO) network, m...
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07/19/2021
Exploring the Non-Overlapping Visibility Regions in XL-MIMO Random Access Protocol
The recent extra-large scale massive multiple-input multiple-output (XL-...
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04/17/2021
Mixed Gibbs Sampling Detector in High-Order Modulation Large-Scale MIMO Systems
A neighborhood restricted Mixed Gibbs Sampling (MGS) based approach is p...
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02/23/2021
Quasi-Distributed Antenna Selection for Spectral Efficiency Maximization in Subarray Switching XL-MIMO Systems
In this paper, we consider the downlink (DL) of a zero-forcing (ZF) prec...
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12/10/2020
Accelerated Randomized Methods for Receiver Design in Extra-Large Scale MIMO Arrays
Recent interest has been cast on accelerated versions of the randomized ...
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09/05/2020
Antenna Selection for Improving Energy Efficiency in XL-MIMO Systems
We consider the recently proposed extra-large scale massive multiple-inp...
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05/15/2019
Massive MIMO for Internet of Things (IoT) Connectivity
Massive MIMO is considered to be one of the key technologies in the emer...
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04/08/2019
On Kaczmarz Signal Processing Technique in Massive MIMO
To exploit the benefits of massive multiple-input multiple-output (M-MIM...
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12/21/2010
