A Wideband Base Station Antenna Element With Stable Radiation Pattern and Reduced Beam Squint
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Access"
DOI: 10.1109/access.2017.2763177
Abstract: This paper presents the design procedure, optimization strategy, theoretical analysis, and experimental results of a wideband dual-polarized base station antenna element with superior performance. The proposed antenna element consists of four electric folded dipoles arranged… read more here.
Keywords: station antenna; beam squint; antenna element; base station ... See more keywords
Dictionary-Learning (DL)-Based Sparse CSI Estimation in Multiuser Terahertz (THz) Hybrid MIMO Systems Under Hardware Impairments and Beam-Squint Effect
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3218032
Abstract: This work conceives dictionary-learning (DL)-based sparse channel estimation schemes for multi-user Terahertz (THz) hybrid MIMO systems incorporating also non-idealities such as hardware impairments and beam-squint effect. Due to the presence of large antenna arrays coupled… read more here.
Keywords: squint effect; thz; beam squint; mimo ... See more keywords
Beam Squint-Aware Integrated Sensing and Communications for Hybrid Massive MIMO LEO Satellite Systems
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Journal on Selected Areas in Communications"
DOI: 10.1109/jsac.2022.3196114
Abstract: The space-air-ground-sea integrated network (SAGSIN) plays an important role in offering global coverage. To improve the efficient utilization of spectral and hardware resources in the SAGSIN, integrated sensing and communications (ISAC) has drawn extensive attention.… read more here.
Keywords: leo satellite; beam squint; satellite systems;
Deep Learning-Based Hybrid Precoding for Terahertz Massive MIMO Communication With Beam Squint
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Communications Letters"
DOI: 10.1109/lcomm.2022.3211514
Abstract: In this letter, a wideband hybrid precoding network (WHPC-Net) based on deep learning is designed for Terahertz (THz) massive multiple input multiple output (MIMO) system in the face of beam squint. Firstly, the channel state… read more here.
Keywords: beam; beam squint; mimo; deep learning ... See more keywords
Hybrid Precoding for Mitigating the Beam Squint in Wideband mmWave MIMO System
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2023.3336736
Abstract: Hybrid precoding (HPC) can significantly reduce the hardware cost of the massive multiple-input multiple-output (MIMO) system. However, the beam squint cannot be ignored for a wideband MIMO system. In this letter, we design an HPC… read more here.
Keywords: mimo system; system; beam squint;
Cramér-Rao Bound Optimization for Near-Field Wideband ISAC: Delay-Phase Precoding for Beam Squint Mitigation
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2025.3605391
Abstract: A near-field wideband integrated sensing and communication (ISAC) system is investigated where a base station (BS) simultaneously performs downlink communication and target sensing. To mitigate the beam squint effect induced by wideband transmission, a true-time-delay… read more here.
Keywords: beam squint; cram rao; field wideband; optimization ... See more keywords
3-D Hybrid Beamforming for Terahertz Broadband Communication System With Beam Squint
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Broadcasting"
DOI: 10.1109/tbc.2022.3205214
Abstract: In this paper, the three-dimensioned (3D) hybrid beamforming is designed for the terahertz (THz) based broadband broadcasting communication system with beam squint. Specifically, the full-dimensional THz massive multiple input multiple output (M-MIMO) channel model and… read more here.
Keywords: communication system; beam squint; hybrid beamforming;
Precoding Design of Beam Squint Compensation for Massive MIMO-OFDM in Non-Terrestrial Networks
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Transactions on Cognitive Communications and Networking"
DOI: 10.1109/tccn.2025.3542439
Abstract: Broadband Massive Multiple Input Multiple Output (Massive MIMO) systems are considered the core technology for Non-Terrestrial Networks (NTNs), enabling wide-area coverage and high-speed data transmission. However, these systems are limited by the beam squint effect,… read more here.
Keywords: massive mimo; beam; beam squint; non terrestrial ... See more keywords
Efficient Channel Estimation for Wideband Millimeter Wave Massive MIMO Systems With Beam Squint
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Communications"
DOI: 10.1109/tcomm.2022.3156065
Abstract: Massive multiple-input-multiple-output (MIMO) and millimeter wave have been adopted as the enabling technologies for the 5G and beyond 5G (B5G) systems. A challenging problem introduced by the use of large antenna size and wide bandwidth… read more here.
Keywords: efficient channel; channel estimation; beam squint; millimeter wave ... See more keywords
Integrated Sensing and Communications With Joint Beam-Squint and Beam-Split for mmWave/THz Massive MIMO
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Communications"
DOI: 10.1109/tcomm.2023.3252584
Abstract: Integrated sensing and communications (ISAC) has attracted tremendous attention for the future 6G wireless communications systems. To improve the transmission rates and sensing accuracy, massive multi-input multi-output (MIMO) technique is leveraged with large transmission bandwidth… read more here.
Keywords: beam; beam squint; integrated sensing; sensing communications ... See more keywords
A Novel Transceiver Design in Wideband Massive MIMO for Beam Squint Minimization
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Transactions on Communications"
DOI: 10.1109/tcomm.2024.3372885
Abstract: When using ultra-wideband signaling on massive multiple-input multiple-output (mMIMO) systems, the electromagnetic wave incurs an extra delay (across the array elements) comparable to or larger than the symbol duration, which translates into a shift in… read more here.
Keywords: transceiver design; beam; beam squint; novel transceiver ... See more keywords