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相关论文: Adaptive Millimeter Wave Beam Alignment for Dual-P…

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Enabling the high data rates of millimeter wave (mmWave) cellular systems requires deploying large antenna arrays at both the basestations and mobile users. The beamforming weights of these large arrays need to be tuned to guarantee…

信息论 · 计算机科学 2016-02-23 Ahmed Alkhateeb , Young-Han Nam , Md Saifur Rahman , Jianzhong Zhang , Robert W. Heath

The mmWave communication system is operating at a regime with high number of antennas and very limited number of RF analog chains. Large number of antennas are used to extend the communication range for recovering the high path loss while…

网络与互联网体系结构 · 计算机科学 2015-03-19 Y. Ming Tsang , Ada S. Y. Poon , Sateesh Addepalli

Millimeter-wave massive MIMO with lens antenna array can considerably reduce the number of required radio-frequency (RF) chains by beam selection. However, beam selection requires the base station to acquire the accurate information of…

信息论 · 计算机科学 2017-08-28 Xinyu Gao , Linglong Dai , Shuangfeng Han , Chih-Lin I , Xiaodong Wang

The rollout of millimeter-wave (mmWave) cellular network enables us to realize the full potential of 5G/6G with vastly improved throughput and ultra-low latency. MmWave communication relies on highly directional transmission, which…

信息论 · 计算机科学 2022-08-12 Peize Zhang , Pekka Kyösti , Katsuyuki Haneda , Pasi Koivumäki , Wei Fan

Beamforming is one of the key techniques in millimeter wave (mmWave) multi-input multi-output (MIMO) communications. Designing appropriate beamforming not only improves the quality and strength of the received signal, but also can help…

信号处理 · 电气工程与系统科学 2020-08-14 Xueyuan Wang , M. Cenk Gursoy

This study examines analog beamforming designs utilizing multi-panel arrays for millimeter-wave (mmWave) communication systems under stochastic path blockages where each panel is an integrated circuit that includes power amplifiers, a…

信号处理 · 电气工程与系统科学 2025-03-10 Kanta Terui , Kabuto Arai , Koji Ishibashi

With the overcrowded sub-6 GHz bands, millimeter wave (mmWave) bands offer a promising alternative for the next generation wireless standard, i.e., 5G. However, the susceptibility of mmWave signals to severe pathloss and shadowing requires…

信号处理 · 电气工程与系统科学 2017-10-13 Solmaz Niknam , Balasubramaniam Natarajan , Reza Barazideh

The integration of non-orthogonal multiple access in millimeter-Wave communications (mmWave-NOMA) can significantly improve the spectrum efficiency and increase the number of users in the fifth-generation (5G) mobile communication. In this…

信息论 · 计算机科学 2018-11-08 Zhenyu Xiao , Lipeng Zhu , Zhen Gao , Dapeng Oliver Wu , Xiang-Gen Xia

The millimeter wave (mmWave) communication uses directional antennas. Hence, achieving fine alignment of transmit and receive beams at the initial access phase is quite challenging and time-consuming. In this paper, we provide a…

信号处理 · 电气工程与系统科学 2020-02-05 A. Indika Perera , K. B. Shashika Manosha , Nandana Rajatheva , Matti Latva-aho

The dynamic nature of indoor environments poses unique challenges for next-generation millimeter-wave (mmwave) connectivity. These challenges arise from blockages due to mobile obstacles, mm-wave signal scattering caused by indoor surfaces,…

信号处理 · 电气工程与系统科学 2024-09-04 April Junio , Rafaela Lomboy , Raj Sai Sohel Bandari , Mohammed E. Eltayeb

Benefiting from huge bandwidth resources, millimeter-wave (mmWave) communications provide one of the most promising technologies for next-generation wireless networks. To compensate for the high pathloss of mmWave signals, large-scale…

信息论 · 计算机科学 2021-12-14 Ke Ma , Zhaocheng Wang , Wenqiang Tian , Sheng Chen , Lajos Hanzo

Enabling highly-mobile millimeter wave (mmWave) and terahertz (THz) wireless communication applications requires overcoming the critical challenges associated with the large antenna arrays deployed at these systems. In particular, adjusting…

信号处理 · 电气工程与系统科学 2021-11-16 Gouranga Charan , Tawfik Osman , Andrew Hredzak , Ngwe Thawdar , Ahmed Alkhateeb

Since the spectrum below 6 GHz bands is insufficient to meet the high bandwidth requirements of 5G use cases, 5G networks expand their operation to mmWave bands. However, operation at these bands has to cope with a high penetration loss and…

网络与互联网体系结构 · 计算机科学 2024-09-02 Lotte Weedage , Clara Stegehuis , Suzan Bayhan

Millimeter wave (mmWave) communication is one feasible solution for high data-rate applications like vehicular-to-everything communication and next generation cellular communication. Configuring mmWave links, which can be done through…

信息论 · 计算机科学 2017-03-01 Anum Ali , Nuria González-Prelcic , Robert W. Heath

Millimeter wave (mmWave) communication represents one of the main innovations of the next generation of wireless technologies, allowing users to reach unprecedented data rates. To overcome the high path loss at mmWave frequencies, these…

信号处理 · 电气工程与系统科学 2020-11-12 Mattia Lecci , Tommaso Zugno , Silvia Zampato , Michele Zorzi

Millimeter-wave (mmWave) and terahertz (THz) communication systems adopt large antenna arrays to ensure adequate receive signal power. However, adjusting the narrow beams of these antenna arrays typically incurs high beam training overhead…

信息论 · 计算机科学 2023-02-15 Shoaib Imran , Gouranga Charan , Ahmed Alkhateeb

We present a tracking algorithm to maintain the communication link between a base station (BS) and a mobile station (MS) in a millimeter wave (mmWave) communication system, where antenna arrays are used for beamforming in both the BS and…

信息论 · 计算机科学 2016-12-19 Kang Gao , Mingming Cai , Ding Nie , Bertrand Hochwald , J. Nicholas Laneman , Huang Huang , Kunpeng Liu

Using millimeter-wave (mmWave) bands is expected to provide high data rates through large licensed and unlicensed spectrum. Due to large path loss and sparse scattering propagation properties, proper beam alignment is important in mmWave…

信号处理 · 电气工程与系统科学 2022-06-28 Hyeongtaek Lee , Sucheol Kim , Junil Choi

Future 5G mobile networks will require increased backhaul (BH) capacity to connect a massive amount of high capacity small cells (SCs) to the network. Because having an optical connection to each SC might be infeasible, mmWave-based (e.g.…

网络与互联网体系结构 · 计算机科学 2019-07-24 Ricardo Santos , Hakim Ghazzai , Andreas Kassler

Millimeter wave (mmWave) communication with large antenna arrays is a promising technique to enable extremely high data rates due to the large available bandwidth in mmWave frequency bands. In addition, given the knowledge of an optimal…

信息论 · 计算机科学 2019-09-05 Sung-En Chiu , Nancy Ronquillo , Tara Javidi