Results 21 to 30 of about 462,203 (338)
Hybrid Evolutionary-Based Sparse Channel Estimation for IRS-Assisted mmWave MIMO Systems
IEEE Transactions on Wireless Communications, 2022 The intelligent reflecting surface (IRS)-assisted millimeter wave (mmWave) communication system has emerged as a promising technology for coverage extension and capacity enhancement.
Zhen Chen +5 more
semanticscholar +1 more source
Double-IRS Assisted Multi-User MIMO: Cooperative Passive Beamforming Design [PDF]
IEEE Transactions on Wireless Communications, 2020 Intelligent reflecting surface (IRS) has emerged as an enabling technology to achieve smart and reconfigurable wireless communication environment cost-effectively.
Beixiong Zheng +2 more
semanticscholar +1 more source
A survey of community knowledge and practices on malaria control with indoor residual spraying in Kazerun, south Iran [PDF]
Journal of Health Sciences and Surveillance System, 2018 Objective: The main aim of this research is to investigate the knowledge, attitude and practice (KAP) on malaria control with respect to indoor residual spraying (IRS) in a community of Southern Iran.
Seyed Aghil Jaberhashemi +4 more
doaj +1 more source
Sum-Rate Maximization for IRS-Assisted UAV OFDMA Communication Systems [PDF]
Global Communications Conference, 2020 In this paper, we propose the use of intelligent reflecting surface (IRS) in unmanned aerial vehicle (UAV)- based orthogonal frequency division multiple access (OFDMA) communication systems.
Zhiqiang Wei +4 more
semanticscholar +1 more source
Sum Rate Maximization for IRS-Assisted Uplink NOMA [PDF]
IEEE Communications Letters, 2020 An intelligent reflecting surface (IRS) consists of a large number of low-cost reflecting elements, which can steer the incident signal collaboratively by passive beamforming.
M. Zeng +4 more
semanticscholar +1 more source
Enabling Smart Reflection in Integrated Air-Ground Wireless Network: IRS Meets UAV [PDF]
IEEE wireless communications, 2021 Intelligent reflecting surface (IRS) and unmanned aerial vehicle (UAV) have emerged as two promising technologies to boost the performance of wireless communication networks by proactively altering wireless communication channels via smart signal ...
Changsheng You +3 more
semanticscholar +1 more source
Indian Journal of Pathology and Microbiology, 2022 Background: Gastric carcinoma is a major cause of cancer-related morbidity and mortality worldwide. Gastric neoplasms arise from genetic and epigenetic changes in various genes. Present study evaluates the immunoexpression of PTEN, HER2/neu, and Ki-67 in
Seema Acharya +2 more
doaj +1 more source
On the Impact of Phase Shifting Designs on IRS-NOMA [PDF]
IEEE Wireless Communications Letters, 2020 In this letter, the impact of two phase shifting designs, namely coherent phase shifting and random discrete phase shifting, on the performance of intelligent reflecting surface (IRS) assisted non-orthogonal multiple access (NOMA) is studied.
Z. Ding, R. Schober, H. V. Poor
semanticscholar +1 more source
Energy-Efficient IRS-Aided NOMA Beamforming for 6G Wireless Communications [PDF]
IEEE Transactions on Green Communications and Networking, 2022 This manuscript presents an energy-efficient alternating optimization framework based on intelligent reflective surfaces (IRS) aided non-orthogonal multiple access beamforming (NOMA-BF) system for 6G wireless communications.
Asim Ihsan +5 more
semanticscholar +1 more source
Distributed Optimization of District Heating Networks Using Optimality Condition Decomposition
Energies, 2022 The optimal operation of District Heating Networks (DHNs) is a challenging task. Current or future optimal dispatch energy management systems attempt to optimize objectives, such as monetary cost minimization, emission reduction, or social welfare ...
Jona Maurer +3 more
doaj +1 more source