Results 41 to 50 of about 145 (122)
Transactions on Emerging Telecommunications Technologies, Volume 36, Issue 7, July 2025.We introduce a novel model of an IRS‐assisted MU‐MISO‐OFDMA system. We aim to jointly optimize beamforming vectors, IRS reflection coefficients, and OFDM subcarrier allocation to maximize the overall sum rate. ABSTRACT In this article, we propose a novel resource allocation strategy for multiuser multiple‐input single‐output orthogonal frequency ...
Binh‐Minh Vu, Oh‐Soon Shin
wiley +1 more source
Tongxin xuebao, 2022 To improve the energy and information transmission efficiency of relay-based wireless powered communication network (WPCN), a two intelligent reflecting surface (IRS) assisted dual-hop relay wireless transmission scheme was proposed.In particular, IRS1 ...
Zhen YANG, Xuan FENG, Bin LYU
doaj +2 more sources
Fairness-Aware Resource Allocation in Multi-Source WPCN in the Finite Blocklength Regime
IEEE Access, 2023 In this work, we investigate a wireless powered communication network (WPCN) where multiple sources are jointly utilized for wireless power transfer (WPT).
Ning Guo +3 more
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Energy efficiency maximization in IRS‐aided cooperative WPCN with non‐linear EH users
Electronics Letters, Volume 61, Issue 1, January/December 2025.The paper investigates energy efficiency maximization in intelligent reflecting surfaces aided wireless‐powered communication network with hybrid access point and non‐linear energy harvesting users. The focus is on maximizing energy efficiency at the hybrid access point by jointly optimizing transmit time allocation, power allocation at users, and ...
Bharti Katiyar +3 more
wiley +1 more source
Sum-Throughput Maximization With QoS Constraints for Cooperative WPCNs
IEEE Access, 2019 A wireless powered communication network (WPCN) is considered, which has a hybrid access point (H-AP) and two users with energy harvesting capabilities.
Dongyeong Song +3 more
doaj +1 more source
Lyapunov Drift-Plus-Penalty Based Resource Allocation in IRS-Assisted Wireless Networks with RF Energy Harvesting [PDF]
Radioengineering, 2022 We propose a resource allocation policy for intelligent reflective surface (IRS)-assisted wireless powered communication network (WPCN) where the energy harvesting (EH) users (EHUs) have finite energy storage and data buffers, for storing the harvested ...
S. Pejoski +2 more
doaj
IET Radar, Sonar &Navigation, Volume 18, Issue 9, Page 1481-1493, September 2024.The authors study the resource allocation problem of non‐orthogonal multiple access (NOMA) downlink in Internet of Things (IoT) environment combined with the Ambient Backscatter Communication (AmBC) and the reconfigurable intelligent surface (RIS). Aiming to maximise the system energy efficiency, and considering the power limitation, rate limitation ...
Ruiman Gao +4 more
wiley +1 more source
IET Signal Processing, Volume 2024, Issue 1, 2024.This paper investigates a backscatter communication (BackCom) based non‐orthogonal multiple access (NOMA) system in a multiple‐input and single‐output (MISO) scenario, where two decoding methods are deployed, including the sum‐capacity approach and QR decomposition.
Dingjia Lin +4 more
wiley +1 more source
Performance Analysis of a WPCN-Based Underwater Acoustic Communication System
Journal of Marine Science and Engineering, 2023 Underwater acoustic communication (UWAC) has a wide range of applications, including marine environment monitoring, disaster warning, seabed terrain exploration, and oil extraction.
Ronglin Xing +3 more
doaj +1 more source
Robust resource allocation for HRIS-assisted NOMA WPCN under short-packet transmission
Ain Shams Engineering JournalTo improve the quality-of-service in short-packet transmissions and further reduce the transmission energy consumption of the hybrid base station (HBS), this paper proposes a hybrid reconfigurable intelligent surface (HRIS)-assisted non-orthogonal ...
Changqing Ye +5 more
doaj +1 more source