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02/13/2023
Multi-Carrier NOMA-Empowered Wireless Federated Learning with Optimal Power and Bandwidth Allocation
Wireless federated learning (WFL) undergoes a communication bottleneck i...
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02/10/2023
Digital Twin-Aided Learning for Managing Reconfigurable Intelligent Surface-Assisted, Uplink, User-Centric Cell-Free Systems
This paper puts forth a new, reconfigurable intelligent surface (RIS)-as...
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08/29/2022
When Internet of Things meets Metaverse: Convergence of Physical and Cyber Worlds
In recent years, the Internet of Things (IoT) is studied in the context ...
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07/28/2022
Caching Scalable Videos in the Edge of Wireless Cellular Networks
By pre-fetching popular videos into the local caches of edge nodes, wire...
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06/24/2022
Multi-Agent Deep Reinforcement Learning for Cost- and Delay-Sensitive Virtual Network Function Placement and Routing
This paper proposes an effective and novel multiagent deep reinforcement...
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06/15/2022
Two-Timescale Optimization for Intelligent Reflecting Surface-Assisted MIMO Transmission in Fast-Changing Channels
The application of intelligent reflecting surface (IRS) depends on the k...
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06/11/2022
Downlink Power Minimization in Intelligent Reconfigurable Surface-Aided Security Classification Wireless Communications System
User privacy protection is considered a critical issue in wireless netwo...
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05/13/2022
Energy-Delay Minimization of Task Migration Based on Game Theory in MEC-assisted Vehicular Networks
Roadside units (RSUs), which have strong computing capability and are cl...
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05/07/2022
Low-Complexity Distributed Precoding in User-Centric Cell-Free mmWave MIMO Systems
User-centric (UC) based cell-free (CF) structures can provide the benefi...
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04/20/2022
Placement and Resource Allocation of Wireless-Powered Multiantenna UAV for Energy-Efficient Multiuser NOMA
This paper investigates a new downlink nonorthogonal multiple access (NO...
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08/16/2021
Sum-Rate Maximization for Multi-Reconfigurable Intelligent Surface-Assisted Device-to-Device Communications
This paper proposes to deploy multiple reconfigurable intelligent surfac...
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03/29/2021
Joint Resource Management for MC-NOMA: A Deep Reinforcement Learning Approach
This paper presents a novel and effective deep reinforcement learning (D...
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03/24/2021
Energy-Efficient Resource Allocation in Massive MIMO-NOMA Networks with Wireless Power Transfer: A Distributed ADMM Approach
In multicell massive multiple-input multiple-output (MIMO) non-orthogona...
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02/22/2021
Joint Estimation of Multipath Angles and Delays for Millimeter-Wave Cylindrical Arrays with Hybrid Front-ends
Accurate channel parameter estimation is challenging for wideband millim...
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07/21/2020
Analysis and Optimization of Service Delay for Multi-quality Videos in Multi-tier Heterogeneous Network with Random Caching
Aiming to minimize service delay, we propose a new random caching scheme...
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01/10/2020
Sum Rate Maximization for Reconfigurable Intelligent Surface Assisted Device-to-Device Communications
In this letter, we propose to employ reconfigurable intelligent surfaces...
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05/05/2019
Economical Caching for Scalable Videos in Cache-enabled Heterogeneous Networks
We develop the optimal economical caching schemes in cache-enabled heter...
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05/30/2018