Search Results - "Trinh Van Chien"

Joint Pilot Design and Uplink Power Allocation in Multi-Cell Massive MIMO Systems by Van Chien, Trinh, Bjornson, Emil, Larsson, Erik G.

“…This paper considers pilot design to mitigate pilot contamination and provide good service for everyone in multi-cell massive multiple-input-multiple-output…”
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Joint Power Allocation and User Association Optimization for Massive MIMO Systems by Trinh Van Chien, Bjornson, Emil, Larsson, Erik G.

“…This paper investigates the joint power allocation and user association problem in multi-cell Massive MIMO (multiple-input multiple-output) downlink (DL)…”
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Large-Scale-Fading Decoding in Cellular Massive MIMO Systems With Spatially Correlated Channels by Van Chien, Trinh, Mollen, Christopher, Bjornson, Emil

“…Massive multiple-input-multiple-output (MIMO) systems can suffer from coherent intercell interference due to the phenomenon of pilot contamination. This paper…”
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Model-Based and Data-Driven Approaches for Downlink Massive MIMO Channel Estimation by Ghazanfari, Amin, Van Chien, Trinh, Bjornson, Emil, Larsson, Erik G.

“…We study downlink channel estimation in a multi-cell Massive multiple-input multiple-output (MIMO) system operating in time-division duplex. The users must…”
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Simultaneous Transmitting and Reflecting-Reconfigurable Intelligent Surface in 6G: Design Guidelines and Future Perspectives by Khalid, Waqas, Kaleem, Zeeshan, Ullah, Rehmat, Van Chien, Trinh, Noh, Song, Yu, Heejung

“…Reconfigurable intelligent surfaces (RISs) have been considered as a promising technology for the sixth-generation (6G) wireless networks that can control…”
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Pilot Assignment for Joint Uplink-Downlink Spectral Efficiency Enhancement in Massive MIMO Systems With Spatial Correlation by Nguyen, Tien Hoa, Chien, Trinh Van, Ngo, Hien Quoc, Tran, Xuan Nam, Bjornson, Emil

“…This paper proposes a flexible pilot assignment method to jointly optimize the uplink and downlink data transmission in multi-cell Massive multiple input…”
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User Scheduling and Power Allocation for Precoded Multi-Beam High Throughput Satellite Systems With Individual Quality of Service Constraints by Van Chien, Trinh, Lagunas, Eva, Ta, Tung Hai, Chatzinotas, Symeon, Ottersten, Bjorn

“…For extensive coverage areas, multi-beam high throughput satellite (HTS) communication is a promising technology that plays a crucial role in delivering…”
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Pareto-Optimal Pilot Design for Cellular Massive MIMO Systems by Le, Tuan Anh, Van Chien, Trinh, Nakhai, Mohammad Reza, Le-Ngoc, Tho

“…We introduce a non-orthogonal pilot design scheme that simultaneously minimizes two contradicting targets of channel estimation errors of all base stations…”
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RIS-Assisted Wireless Communications: Long-Term Versus Short-Term Phase Shift Designs by Van Chien, Trinh, Tu, Lam-Thanh, Khalid, Waqas, Yu, Heejung, Chatzinotas, Symeon, Di Renzo, Marco

“…Reconfigurable intelligent surface (RIS) has recently gained significant interest as an emerging technology for future wireless networks thanks to its…”
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Joint Computation Offloading and Target Tracking in Integrated Sensing and Communication Enabled UAV Networks by Van Chien, Trinh, Cong, Mai Dinh, Cong Luong, Nguyen, Do, Tri Nhu, Kim, Dong In, Chatzinotas, Symeon

“…In this letter, we investigate a joint computation offloading and target tracking in Integrated Sensing and Communication (ISAC)-enabled unmanned aerial…”
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Reconfigurable Intelligent Surface for Physical Layer Security in 6G-IoT: Designs, Issues, and Advances by Khalid, Waqas, Rehman, M. Atif Ur, Chien, Trinh Van, Kaleem, Zeeshan, Lee, Howon, Yu, Heejung

“…Sixth-generation (6G) networks pose substantial security risks because confidential information is transmitted over wireless channels with a broadcast nature,…”
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On the Performance of Underlay Device-to-Device Communications by Nguyen, Tan Nhat, Nguyen, Van Son, Nguyen, Hoai Giang, Tu, Lam Thanh, Van Chien, Trinh, Nguyen, Tien Hoa

“…This paper comprehensively investigates the performance of the D2D underlaying cellular networks where D2D communications are operated concurrently with…”
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Security-Reliability Tradeoff Analysis for SWIPT- and AF-Based IoT Networks With Friendly Jammers by Nguyen, Tan N., Tran, Dinh-Hieu, Chien, Trinh Van, Phan, Van-Duc, Voznak, Miroslav, Tin, Phu Tran, Chatzinotas, Symeon, Ng, Derrick Wing Kwan, Poor, H. Vincent

“…Radio-frequency (RF) energy harvesting (EH) in wireless relaying networks has attracted considerable recent interest, especially for supplying energy to relay…”
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Joint Power Allocation and User Scheduling in Integrated Satellite-Terrestrial Cell-Free Massive MIMO IoT Systems by Van Chien, Trinh, An Le, Ha, Hai Tung, Ta, Ngo, Hien Quoc, Chatzinotas, Symeon

“…Both space and ground communications have been proven effective solutions under different perspectives in Internet of Things (IoT) networks. This article…”
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An efficient location-based pilot assignment in Cell-Free Massive MIMO by Nguyen, Tien Hoa, Phan, Lam Tung, Van Chien, Trinh

“…Cell-free Massive multiple-input multiple-output can offer many degrees of freedom for the high data rate and coverage probability. This network topology is…”
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Performance Analysis and Optimization of the Coverage Probability in Dual Hop LoRa Networks With Different Fading Channels by Nguyen, Tien Hoa, Jung, Woo-Sung, Tu, Lam Thanh, Chien, Trinh Van, Yoo, Daeseung, Ro, Soonghwan

“…In this work, the performance evaluation and the optimization of dual-hop LoRa network are investigated. In particular, the coverage probability (Pcov) of edge…”
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Optimal Design of Energy-Efficient Cell-Free Massive Mimo: Joint Power Allocation and Load Balancing by Chien, Trinh Van, Bjornson, Emil, Larsson, Erik G.

“…A large-scale distributed antenna system that serves the users by coherent joint transmission is called Cell-free Massive MIMO (multiple input multiple…”
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Attacker Detection in Massive MIMO Systems Over Spatially-Uncorrelated Rician Fading Channels by Le Vu, Giang Quynh, Tran, Hung, Van Chien, Trinh, Thang, Le Nhat, Truong, Kien Trung

“…Physical security is a potentially promising research direction for the fifth-generation and beyond networks. This paper investigates the physical layer…”
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Joint Power Allocation and Load Balancing Optimization for Energy-Efficient Cell-Free Massive MIMO Networks by Van Chien, Trinh, Bjornson, Emil, Larsson, Erik G.

“…Large-scale distributed antenna systems with many access points (APs) that serve the users by coherent joint transmission is being considered for 5G-and-beyond…”
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Reconfigurable Intelligent Surface-Assisted Cell-Free Massive MIMO Systems Over Spatially-Correlated Channels by Van Chien, Trinh, Ngo, Hien Quoc, Chatzinotas, Symeon, Di Renzo, Marco, Ottersten, Bjorn

“…Cell-Free Massive multiple-input multiple-output (MIMO) and reconfigurable intelligent surface (RIS) are two promising technologies for application to…”
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