Articles with "two timescale" as a keyword



Multiagent DRL for Two-Timescale Bandwidth Allocation in Multibeam Satellite Networks

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Published in 2025 at "IEEE Internet of Things Journal"

DOI: 10.1109/jiot.2024.3511672

Abstract: Multibeam technology, as one of the crucial technologies for implementing high throughput satellite (HTS) systems, can flexibly allocate the beam resources to enhance communication quality and transmission rates. Due to the variability in service demand,… read more here.

Keywords: bandwidth allocation; two timescale; multibeam satellite; allocation ... See more keywords

Two-Timescale Beam Selection and Power Allocation for Maritime Offshore Communications

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Published in 2021 at "IEEE Communications Letters"

DOI: 10.1109/lcomm.2021.3094811

Abstract: In this letter, beam selection and power allocation are investigated for maritime offshore communications. Considering the slow-changing network topology and the line-of-sight (LOS) dominant propagation of land-sea links, we define a beam configuration period (BCP)… read more here.

Keywords: beam selection; offshore communications; power allocation; two timescale ... See more keywords

Environment-Aware Beam Probing Codebook Design for Two-Timescale Beam Alignment in RIS-Assisted Communication Systems

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Published in 2025 at "IEEE Signal Processing Letters"

DOI: 10.1109/lsp.2024.3495589

Abstract: Reconfigurable intelligent surfaces (RISs) have paved the way for addressing the blockage issue via reshaping the propagation environment. However, given the passive nature of RIS and the mobility of users, optimal directional beam pairs among… read more here.

Keywords: environment; two timescale; beam; beam alignment ... See more keywords

Multi-Agent DRL Approach to Two-Timescale Transmission for RIS-Aided MU-MISO Systems

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Published in 2024 at "IEEE Wireless Communications Letters"

DOI: 10.1109/lwc.2024.3441605

Abstract: Reconfigurable intelligent surfaces (RISs) have become one of the key enabling technologies of the sixth generation (6G) wireless communications. In this letter, we investigate the joint precoding optimization at the base station (BS) and RIS… read more here.

Keywords: drl approach; ris aided; two timescale; multi agent ... See more keywords

Resource Price-Aware Offloading for Edge-Cloud Collaboration: A Two-Timescale Online Control Approach

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Published in 2020 at "IEEE Transactions on Cloud Computing"

DOI: 10.1109/tcc.2019.2937928

Abstract: Computation offloading is envisioned as a promising technique for prolonging the battery lives and enhancing the computation capability of mobile devices. In this paper, we study the task offloading and resource purchasing problems in an… read more here.

Keywords: system; resource; edge cloud; online ... See more keywords

Multiple RISs Assisted Cell-Free Networks With Two-Timescale CSI: Performance Analysis and System Design

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Published in 2022 at "IEEE Transactions on Communications"

DOI: 10.1109/tcomm.2022.3208629

Abstract: Reconfigurable intelligent surface (RIS) can be employed in a cell-free system to create favorable propagation conditions from base stations (BSs) to users via configurable elements. However, prior works on RIS-aided cell-free system designs mainly rely… read more here.

Keywords: system; timescale csi; cell free; two timescale ... See more keywords

Two-Timescale Design for Simultaneous Transmitting and Reflecting RIS-Assisted Massive MIMO Systems With Imperfect CSI

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Published in 2024 at "IEEE Transactions on Communications"

DOI: 10.1109/tcomm.2024.3361504

Abstract: This paper investigates the performance of simultaneous transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) assisted massive multiple-input multiple-output (MIMO) systems with Rician fading channels and channel estimation errors. We adopt the two-timescale scheme to design… read more here.

Keywords: scheme; star ris; two timescale; simultaneous transmitting ... See more keywords

Joint Deployment and Resource Allocation for Multi-AeBS Networks: A Two-Timescale Optimization Framework Using MADRL

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Published in 2025 at "IEEE Transactions on Communications"

DOI: 10.1109/tcomm.2024.3511952

Abstract: As an important component of the space-air-ground integrated network, aerial base station (AeBS) systems have gained significant attention for their flexibility in mobility and cost-effective construction. Nevertheless, the scarce spectrum resources and difficulty in accessing… read more here.

Keywords: multi; two timescale; allocation; deployment resource ... See more keywords

Two-Timescale Coordinated Voltage Regulation for High Renewable-Penetrated Active Distribution Networks Considering Hybrid Devices

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Published in 2024 at "IEEE Transactions on Industrial Informatics"

DOI: 10.1109/tii.2023.3308348

Abstract: The integration of large-scale distributed generators into active distribution networks (ADNs) will aggravate voltage fluctuations, which can affect the secure operation of power grids seriously. In this article, we investigate a cooperated voltage regulation problem… read more here.

Keywords: voltage regulation; two timescale; distribution networks; voltage ... See more keywords

Online Management for Edge-Cloud Collaborative Continuous Learning: A Two-Timescale Approach

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Published in 2024 at "IEEE Transactions on Mobile Computing"

DOI: 10.1109/tmc.2024.3451715

Abstract: Deep learning (DL) powered real-time applications usually need continuous training using data streams generated over time and across different geographical locations. Enabling data offloading among computation nodes through model training is promising to mitigate the… read more here.

Keywords: edge cloud; cloud collaborative; long term; two timescale ... See more keywords

TJCCT: A Two-Timescale Approach for UAV-Assisted Mobile Edge Computing

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Published in 2024 at "IEEE Transactions on Mobile Computing"

DOI: 10.1109/tmc.2024.3505155

Abstract: Unmanned aerial vehicle (UAV)-assisted mobile edge computing (MEC) is emerging as a promising paradigm to provide aerial-terrestrial computing services in close proximity to mobile devices (MDs). However, meeting the demands of computation-intensive and delay-sensitive tasks… read more here.

Keywords: uav assisted; edge computing; two timescale; assisted mobile ... See more keywords