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To efficiently utilize the wireless spectrum and save hardware costs, the fifth generation and beyond (B5G) wireless networks envisage integrated sensing and communications (ISAC) paradigms to jointly access the spectrum. In B5G systems,…

信号处理 · 电气工程与系统科学 2024-08-20 Ahmet M. Elbir , Kumar Vijay Mishra , Abdulkadir Çelik , Ahmed M. Eltawil

Future wireless communications will rely on multiple-input multiple-output (MIMO) beamforming operating at millimeter wave (mmWave) frequency bands to deliver high data rates. To support flexible spatial processing and meet the demands of…

信号处理 · 电气工程与系统科学 2026-01-23 Faruk Pasic , Mariam Mussbah , Stefan Schwarz , Markus Rupp , Fredrik Tufvesson , Christoph F. Mecklenbräuker

Hybrid analog and digital (HAD) beamforming has been recently receiving considerable deserved attention for a practical implementation on the large-scale antenna systems. As compared to full digital beamforming, partial-connected HAD…

信息论 · 计算机科学 2018-11-06 Mohammed A. Almagboul , Feng Shu , Yaolu Qin , Xiaobo Zhou , Jin Wang , Yuwen Qian , Kingsley Jun Zou

Wireless communication in the TeraHertz band (0.1--10 THz) is envisioned as one of the key enabling technologies for the future sixth generation (6G) wireless communication systems scaled up beyond massive multiple input multiple output…

信号处理 · 电气工程与系统科学 2022-06-23 Chongwen Huang , Zhaohui Yang , George C. Alexandropoulos , Kai Xiong , Li Wei , Chau Yuen , Zhaoyang Zhang , Merouane Debbah

Full-duplex millimeter wave (mmWave) communication has shown increasing promise for self-interference cancellation via hybrid precoding and combining. This paper proposes a novel mmWave multiple-input multiple-output (MIMO) design for…

信号处理 · 电气工程与系统科学 2024-10-30 Ian P. Roberts , Jeffrey G. Andrews , Sriram Vishwanath

Terahertz (THz) communications with a frequency band $0.1-10$ THz are envisioned as a promising solution to future high-speed wireless communication. Although with tens of gigahertz available bandwidth, THz signals suffer from severe…

信息论 · 计算机科学 2023-03-14 Boyu Ning , Zhongbao Tian , Weidong Mei , Zhi Chen , Chong Han , Shaoqian Li , Jinhong Yuan , Rui Zhang

In order to cope with the large path-loss exponent of mm-Wave channels, a high beamforming gain is needed. This can be achieved with small hardware complexity and high hardware power efficiency by Hybrid Digital-Analog (HDA) beamforming,…

信息论 · 计算机科学 2016-02-10 Saeid Haghighatshoar , Giuseppe Caire

Motivated by future automotive applications, we study some joint radar target detection and parameter estimation problems where the transmitter, equipped with a mono-static MIMO radar, wishes to detect multiple targets and then estimate…

信号处理 · 电气工程与系统科学 2020-09-21 Lorenzo Gaudio , Mari Kobayashi , Giuseppe Caire , Giulio Colavolpe

Hybrid analog/digital beamforming is a promising technique to realize millimeter wave (mmWave) massive multiple-input multiple-output (MIMO) systems cost-effectively. However, existing hybrid beamforming designs mainly rely on real-time…

信息论 · 计算机科学 2022-06-20 Di Wu , Yong Zeng , Shi Jin , Rui Zhang

Terahertz (THz) communication is envisioned as a key technology for 6G and beyond wireless systems owing to its multi-GHz bandwidth. To maintain the same aperture area and the same link budget as the lower frequencies, ultra-massive…

信息论 · 计算机科学 2024-11-25 Wenqi Zhao , Chong Han , Ho-Jin Song , Emil Björnson

Wireless communication in the TeraHertz band (0.1--10 THz) is envisioned as one of the key enabling technologies for the future six generation (6G) wireless communication systems. However, very high propagation attenuations and molecular…

信号处理 · 电气工程与系统科学 2020-09-22 Chongwen Huang , Zhaohui Yang , George C. Alexandropoulos , Kai Xiong , Li Wei , Chau Yuen , Zhaoyang Zhang

Millimeter-wave (mmWave) technology is one of the most promising candidates for future wireless communication systems as it can offer large underutilized bandwidths and eases the implementation of large antenna arrays which are required to…

信号处理 · 电气工程与系统科学 2019-04-01 Nuno Souto , João Silva , João Pavia , Marco Ribeiro

Millimeter-wave and terahertz technologies have been attracting attention from the wireless research community since they can offer large underutilized bandwidths which can enable the support of ultra-high-speed connections in future…

信号处理 · 电气工程与系统科学 2021-07-27 Joao Pedro Pavia , Vasco Velez , Renato Ferreira , Nuno Souto , Marco Ribeiro , Joao Silva , Rui Dinis

Despite its promising performance gain, the realization of mmWave massive MIMO still faces several practical challenges. In particular, implementing massive MIMO in the digital domain requires hundreds of RF chains matching the number of…

信息论 · 计算机科学 2017-04-13 Guangxu Zhu , Kaibin Huang , Vincent K. N. Lau , Bin Xia , Xiaofan Li , Sha Zhang

Reconfigurable intelligent surface (RIS)-aided terahertz (THz) communications have been regarded as a promising candidate for future 6G networks because of its ultra-wide bandwidth and ultra-low power consumption. However, there exists the…

信息论 · 计算机科学 2023-06-26 Wencai Yan , Wanming Hao , Chongwen Huang , Gangcan Sun , Osamu Muta , Haris Gacanin , Chau Yuen

Terahertz (THz) communications open a new frontier for the wireless network thanks to their dramatically wider available bandwidth compared to the current micro-wave and forthcoming millimeter-wave communications. However, due to the short…

信息论 · 计算机科学 2021-01-15 Boyu Ning , Zhi Chen , Wenrong Chen , Yiming Du , Jun Fang

We propose a low-resolution analog-to-digital converter (ADC) module assisted hybrid beamforming architecture for millimeter-wave (mmWave) communications. We prove that the proposed low-cost and flexible architecture can reduce the beam…

信息论 · 计算机科学 2018-03-28 Jie Yang , Xi Yang , Shi Jin , Chao-Kai Wen , Michalis Matthaiou

As a cost-effective alternative, hybrid analog and digital beamforming architecture is a promising scheme for millimeter wave (mmWave) system. This paper considers two hybrid beamforming architectures, i.e. the partially-connected and…

信号处理 · 电气工程与系统科学 2022-09-07 Bowen Wang , Ziyang Cheng , Zishu He

Hybrid multiple-input multiple-output (MIMO) is an attractive technology for realizing extreme massive MIMO systems envisioned for future wireless communications in a scalable and power-efficient manner. However, the fact that hybrid MIMO…

信息论 · 计算机科学 2024-10-28 Nir Shlezinger , Mengyuan Ma , Ortal Lavi , Nhan Thanh Nguyen , Yonina C. Eldar , Markku Juntti

Hybrid analog and digital beamforming transceivers are instrumental in addressing the challenge of expensive hardware and high training overheads in the next generation millimeter-wave (mm-Wave) massive MIMO (multiple-input multiple-output)…

信号处理 · 电气工程与系统科学 2022-01-04 Ahmet M. Elbir , Kumar Vijay Mishra , M. R. Bhavani Shankar , Björn Ottersten