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相关论文: Hybrid Far- and Near-Field Channel Estimation for …

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Terahertz ultra-massive MIMO (THz UM-MIMO) is envisioned as one of the key enablers of 6G wireless networks, for which channel estimation is highly challenging. Traditional analytical estimation methods are no longer effective, as the…

信号处理 · 电气工程与系统科学 2023-06-09 Wentao Yu , Yifei Shen , Hengtao He , Xianghao Yu , Shenghui Song , Jun Zhang , Khaled B. Letaief

Ultra-massive multiple-input multiple-output (UM-MIMO) is a key technology for enabling terahertz (THz) communications in 6G networks, offering high beamforming gain to combat severe path loss. However, the large antenna array expands the…

信号处理 · 电气工程与系统科学 2026-04-20 Kangchun Zhao , Haitian Yang , Yijie Mao

The integration of terahertz communications and ultra-massive multiple-input multiple-output (UM-MIMO) systems in 6G networks is motivated by their ability to enable unprecedented data rates, mitigate spectrum congestion, and enhance…

信号处理 · 电气工程与系统科学 2026-05-14 Dmitry Artemasov , Alexander Shmatok , Kirill Andreev , Alexey Frolov , Manjesh K. Hanawal , Nikola Zlatanov

Terahertz (THz) communication is widely considered as a key enabler for future 6G wireless systems. However, THz links are subject to high propagation losses and inter-symbol interference due to the frequency selectivity of the channel.…

信息论 · 计算机科学 2021-02-16 Konstantinos Dovelos , Michail Matthaiou , Hien Quoc Ngo , Boris Bellalta

Extremely large-scale massive MIMO (XL-MIMO) is a promising technique for future 6G communications.However, existing far-field or near-field channel model mismatches the hybrid-field channel feature in the practical XL-MIMO…

信息论 · 计算机科学 2021-11-23 Xiuhong Wei , Linglong Dai

The combination of Terahertz (THz) and massive multiple-input multiple-output (MIMO) is promising to meet the increasing data rate demand of future wireless communication systems thanks to the huge bandwidth and spatial degrees of freedom.…

信息论 · 计算机科学 2024-08-14 Jiabao Gao , Xiaoming Cheng , Geoffrey Ye Li

The large bandwidth combined with ultra-massive multiple-input multiple-output (UM-MIMO) arrays enables terahertz (THz) systems to achieve terabits-per-second throughput. The THz systems are expected to operate in the near, intermediate, as…

信息论 · 计算机科学 2023-10-27 Simon Tarboush , Anum Ali , Tareq Y. Al-Naffouri

THz band enabled large scale massive MIMO (M-MIMO) is considered as a key enabler for the 6G technology, given its enormous bandwidth and for its low latency connectivity. In the large-scale M-MIMO configuration, enlarged array aperture and…

信息论 · 计算机科学 2024-09-26 Pulok Tarafder , Imtiaz Ahmed , Danda B. Rawat , Ramesh Annavajjala , Kumar Vijay Mishra

Terahertz (THz) band is expected to be one of the key enabling technologies of the sixth generation (6G) wireless networks because of its abundant available bandwidth and very narrow beam width. Due to high frequency operations,…

信号处理 · 电气工程与系统科学 2024-10-28 Ahmet M. Elbir , Wei Shi , Anastasios K. Papazafeiropoulos , Pandelis Kourtessis , Symeon Chatzinotas

In this work, we study a six-dimensional movable antenna (6DMA)-enhanced Terahertz (THz) network that supports a large number of users with a few antennas by controlling the three-dimensional (3D) positions and 3D rotations of antenna…

信息论 · 计算机科学 2025-05-09 Xiaodan Shao , Yixiao Zhang , Shisheng Hu , Zhixuan Tang , Mingcheng He , Xinyu Huang , Weihua Zhuang , Xuemin Shen

Channel estimation is a critical task in extremely large-scale multiple-input multiple-output (XL-MIMO) systems for 6G wireless communications. A hybrid-field channel model effectively characterizes the mixed far-field and near-field…

信息论 · 计算机科学 2025-09-24 Dehui Yang , Feng Xi , Yanxian Zhu

Terahertz (THz) communication is considered to be a promising technology for future 6G network. To overcome the severe attenuation and relieve the high power consumption, massive MIMO with hybrid precoding has been widely considered for THz…

信息论 · 计算机科学 2021-08-19 Jingbo Tan , Linglong Dai

Ultra-massive multiple-input multiple-output (UM-MIMO) technology is a key enabler for 6G networks, offering exceptional high data rates in millimeter-wave (mmWave) and Terahertz (THz) frequency bands. The deployment of large antenna arrays…

信号处理 · 电气工程与系统科学 2025-03-19 Ahmed Hussain , Asmaa Abdallah , Abdulkadir Celik , Ahmed M. Eltawil

Terahertz (THz) communication is now being considered as one of possible technologies for the sixth generation (6G) wireless communication systems. In this paper, a novel three-dimensional (3D) space-time-frequency non-stationary…

信号处理 · 电气工程与系统科学 2021-08-17 Jun Wang , Cheng-Xiang Wang , Jie Huang , Haiming Wang , Xiqi Gao , Xiaohu You , Yang Hao

Extremely large-scale multiple-input-multiple-output (XL-MIMO) with hybrid precoding is a promising technique to meet the high data rate requirements for future 6G communications. To realize efficient hybrid precoding, it is essential to…

信息论 · 计算机科学 2022-01-20 Mingyao Cui , Linglong Dai

Terahertz (THz)-band communications are currently being celebrated as a key technology that could fulfill the increasing demands for wireless data traffic in the upcoming sixth-generation (6G) of wireless communications. Many challenges,…

信号处理 · 电气工程与系统科学 2020-09-08 Alice Faisal , Hadi Sarieddeen , Hayssam Dahrouj , Tareq Y. Al-Naffouri , Mohamed-Slim Alouini

Following recent advances in terahertz (THz) technology, there is a consensus on the crucial role of THz communications in the next generation of wireless systems. Aiming at catalyzing THz communications research, we propose TeraMIMO, an…

Holographic Multiple-Input Multiple-Output (HMIMO), which densely integrates numerous antennas into a limited space, is anticipated to provide higher rates for future 6G wireless communications. The increase in antenna aperture size makes…

信号处理 · 电气工程与系统科学 2024-01-17 Houfeng Chen , Shuhao Zeng , Hao Guo , Tommy Svensson , Hongliang Zhang

Ultra-massive multiple-input multiple-output (UM-MIMO) is the enabler of Terahertz (THz) communications in next-generation wireless networks. In THz UM-MIMO systems, a new paradigm of cross-field communications spanning from near-field to…

信息论 · 计算机科学 2024-01-15 Yuhang Chen , Chong Han , Emil Björnson

Channel estimation for hybrid Multiple Input Multiple Output (MIMO) systems at Millimeter-Waves (mmW)/sub-THz is a fundamental, despite challenging, prerequisite for an efficient design of hybrid MIMO precoding/combining. Most works propose…

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