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We propose super-resolution MIMO channel estimators for millimeter-wave (mmWave) systems that employ hybrid analog and digital beamforming and generalized spatial modulation, respectively. Exploiting the inherent sparsity of mmWave…

Information Theory · Computer Science 2018-01-24 Hongyun Chu , Le Zheng , Xiaodong Wang

Millimeter wave offers high bandwidth for air-to-air (A2A) communication. In this paper, we evaluate the rate performance of a multiuser MIMO (MU-MIMO) configuration where several aircraft communicate with a central hub. We consider a…

Signal Processing · Electrical Eng. & Systems 2019-04-01 Travis Cuvelier , Robert W. Heath

Millimeter-wave (mmWave) massive Multiple Input Multiple Output (MIMO) systems encounter both spatial wideband spreading and temporal wideband effects in the communication channels of individual users. Accurate estimation of a user's…

Signal Processing · Electrical Eng. & Systems 2025-04-22 Chandrashekhar Rai , Debarati Sen

In this paper, we investigate a multi-cell millimeter wave (mmWave) massive multiple-input multiple-output (MIMO) network with low-precision analog-to-digital converters (ADCs) at the base station (BS). Each cell serves multiple users and…

Information Theory · Computer Science 2018-10-08 Jindan Xu , Wei Xu , Hua Zhang , Geoffrey Ye Li , Xiaohu You

Millimeter wave (mmWave) communication is a promising solution for coping with the ever-increasing mobile data traffic because of its large bandwidth. To enable a sufficient link margin, a large antenna array employing directional…

Information Theory · Computer Science 2019-07-02 Reza Ghanaatian , Vahid Jamali , Andreas Burg , Robert Schober

This letter investigates the problem of providing gigabit wireless access with reliable communication in 5G millimeter-Wave (mmWave) massive multiple-input multiple-output (MIMO) networks. In contrast to the classical network design based…

Networking and Internet Architecture · Computer Science 2019-08-16 Trung Kien Vu , Mehdi Bennis , Merouane Debbah , Matti Latva-aho , Choong Seon Hong

Enhanced mobile broadband (eMBB) is one of the key use-cases for the development of the new standard 5G New Radio for the next generation of mobile wireless networks. Large-scale antenna arrays, a.k.a. Massive MIMO, the usage of carrier…

Information Theory · Computer Science 2017-02-24 Stefano Buzzi , Carmen D'Andrea

The millimeter wave (mmWave) frequencies offer the potential of orders of magnitude increases in capacity for next-generation cellular systems. However, links in mmWave networks are susceptible to blockage and may suffer from rapid…

Networking and Internet Architecture · Computer Science 2020-04-27 Marco Giordani , Marco Mezzavilla , Sundeep Rangan , Michele Zorzi

Communication at millimeter wave (mmWave) bands is expected to become a key ingredient of next generation (5G) wireless networks. Effective mmWave communications require fast and reliable methods for beamforming at both the User Equipment…

Information Theory · Computer Science 2018-06-19 Xiaoshen Song , Saeid Haghighatshoar , Giuseppe Caire

For future networks (i.e., the fifth generation (5G) wireless networks and beyond), millimeter-wave (mmWave) communication with large available unlicensed spectrum is a promising technology that enables gigabit multimedia applications.…

Networking and Internet Architecture · Computer Science 2018-10-03 Qing Xue , Xuming Fang , Cheng-Xiang Wang

Millimeter-wave (mmWave) systems require a large number of antennas at both base station and user equipment for a desirable link budget. Due to time varying channel under user mobility, up-to-date channel state information (CSI) is critical…

Signal Processing · Electrical Eng. & Systems 2018-07-20 Han Yan , Veljko Boljanovic , Danijela Cabric

Hybrid beamforming is key to achieving energy-efficient 5G wireless networks equipped with massive amount of antennas. Low-resolution data converters bring yet another degree of freedom to energy efficiency for the state-of-the-art 5G…

Signal Processing · Electrical Eng. & Systems 2019-09-19 Sung Joon Maeng , Yavuz Yapıcı , Ismail Guvenc , Huaiyu Dai , Arupjyoti Bhuyan

The high path loss associated with millimeter wave (mmWave) frequency communication can be compensated by large scale antenna arrays such as multiple-input multiple-output (MIMO) systems. The hybrid beamforming architecture which uses fewer…

Signal Processing · Electrical Eng. & Systems 2022-11-17 Evangelos Vlachos , Aryan Kaushik , Muhammad Z. Shakir

We propose a hybrid architecture that integrates RF (i.e., sub-6 GHz) and millimeter wave (mmWave) technologies for 5G cellular systems. In particular, communications in the mmWave band faces significant challenges due to variable channels,…

Information Theory · Computer Science 2017-06-12 Morteza Hashemi , C. Emre Koksal , Ness B. Shroff

Fifth generation wireless systems are expected to employ multiple antenna communication at millimeter wave (mmWave) frequencies using small cells within heterogeneous cellular networks. The high path loss of mmWave as well as physical…

Information Theory · Computer Science 2015-05-19 Jiho Song , Junil Choi , Stephen G. Larew , David J. Love , Timothy A. Thomas , Amitava Ghosh

Hybrid massive MIMO structures with reduced hardware complexity and power consumption have been widely studied as a potential candidate for millimeter wave (mmWave) communications. Channel estimators that require knowledge of the array…

Information Theory · Computer Science 2024-10-30 Rui Hu , Jun Tong , Jiangtao Xi , Qinghua Guo , Yanguang Yu

Millimeter wave (mmWave) band, or high frequencies such as THz, has large undeveloped band of spectrum. However, wireless channels over the mmWave band usually have one or two paths only due to the severe attenuation. The channel property…

Information Theory · Computer Science 2020-04-14 Xi Yang , Chao-Kai Wen , Shi Jin

As fifth-generation (5G) and upcoming sixth-generation (6G) communications exhibit tremendous demands in providing high data throughput with a relatively low latency, millimeter-wave (mmWave) technologies manifest themselves as the key…

Systems and Control · Electrical Eng. & Systems 2024-07-11 Xuzhe Zhao

In this paper, we discuss resource sharing, a key dimension in mmWave network design in which spectrum, access and/or network infrastructure resources can be shared by multiple operators. It is argued that this sharing paradigm will be…

Information Theory · Computer Science 2018-05-14 Mattia Rebato , Marco Mezzavilla , Sundeep Rangan , Michele Zorzi

Receivers with one-bit analog-to-digital converters (ADCs) are promising for high bandwidth millimeter wave (mmWave) systems as they consume less power than their full resolution counterparts. The extreme quantization in one-bit receivers…

Signal Processing · Electrical Eng. & Systems 2020-02-11 Nitin Jonathan Myers , Kayla N. Tran , Robert W. Heath
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