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Large antenna arrays will be needed in future millimeter wave (mmWave) cellular networks, enabling a large number of different possible antenna architectures and multiple-input multiple-output (MIMO) techniques. It is still unclear which…

Information Theory · Computer Science 2016-11-15 Mandar N. Kulkarni , Amitava Ghosh , Jeffrey G. Andrews

The performance of millimeter wave (mmWave) multiple-input multiple-output (MIMO) systems is limited by the sparse nature of propagation channels and the restricted number of radio frequency (RF) chains at transceivers. The introduction of…

Information Theory · Computer Science 2018-08-23 Biao He , Hamid Jafarkhani

If we assume line-of-sight propagation and perfect channel state information at the base station -- consistent with slow moving terminals -- then a direct performance comparison between single-cell Massive MIMO at PCS and mmWave frequency…

Information Theory · Computer Science 2018-07-26 Erik G. Larsson , Thomas L. Marzetta , Hien Quoc Ngo , Hong Yang

Equipping millimeter wave (mmWave) systems with full-duplex capability would accelerate and transform next-generation wireless applications and forge a path for new ones. Full-duplex mmWave transceivers could capitalize on the already…

Signal Processing · Electrical Eng. & Systems 2020-09-15 Ian P. Roberts , Jeffrey G. Andrews , Hardik B. Jain , Sriram Vishwanath

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

The increasing demand for wireless data transfer has been the driving force behind the widespread adoption of Massive MIMO (multiple-input multiple-output) technology in 5G. The next-generation MIMO technology is now being developed to…

Massive multiple-input multiple-output (MIMO) communications are the focus of considerable interest in recent years. While the theoretical gains of massive MIMO have been established, implementing MIMO systems with large-scale antenna…

Information Theory · Computer Science 2019-07-02 Nir Shlezinger , Or Dicker , Yonina C. Eldar , Insang Yoo , Mohammadreza F. Imani , David R. Smith

Millimeter Wave (mmWave) band provides a large spectrum to meet the high-demand capacity by the 5th generation (5G) wireless networks. However, to fully exploit the available spectrum, obstacles such as high path loss, channel sparsity, and…

Information Theory · Computer Science 2018-07-16 Mojtaba Ahmadi Almasi , Roohollah Amiri , Hani Mehrpouyan

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

Future wireless networks will extensively rely upon bandwidths centered on carrier frequencies larger than 10GHz. Indeed, recent research has shown that, despite the large path-loss, millimeter wave (mmWave) frequencies can be successfully…

Information Theory · Computer Science 2016-02-25 Stefano Buzzi , Carmen D'Andrea , Tommaso Foggi , Alessandro Ugolini , Giulio Colavolpe

Millimeter wave MIMO combines the benefits of compact antenna arrays with a large number of elements and massive bandwidths, so that fully digital beamforming has the potential of supporting a large number of simultaneous users with {\it…

Signal Processing · Electrical Eng. & Systems 2020-07-02 Mohammed Abdelghany , Ali A. Farid , Upamanyu Madhow , Mark J. W. Rodwell

The use of the millimeter (mm) wave spectrum for next generation (5G) mobile communication has gained significant attention recently. The small carrier wavelengths at mmwave frequencies enable synthesis of compact antenna arrays, providing…

Information Theory · Computer Science 2014-10-22 Jaspreet Singh , Sudhir Ramakrishna

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 (mm-wave) is a promising technique to enhance the network capacity and coverage of next-generation (5G) based on utilizing a great number of available spectrum resources in mobile communication. Improving the 5G network…

Network densification, massive multiple-input multiple-output (MIMO) and millimeter-wave (mmWave) bands have recently emerged as some of the physical layer enablers for the future generations of wireless communication networks (5G and…

Signal Processing · Electrical Eng. & Systems 2019-02-21 Guillem Femenias , Felip Riera-Palou

This paper presents the current state-of-the-art of massive antenna array architectures with significant front-end hardware savings, as an enabler for future small and powerful cell nodes that will be able to carry massive MIMO technology.…

Networking and Internet Architecture · Computer Science 2014-07-30 Vlasis I. Barousis , Mohammad A. Sedaghat , Ralf R. Müller , Constantinos B. Papadias

Antennas of transmitters and receivers have been manipulated to increase the capacity of transmission and reception of signals. Using many elements in antennas to shape beams and direct nulls in a particular point for optimum signal…

Networking and Internet Architecture · Computer Science 2016-10-18 Mboli Sechang Julius

The millimeter wave (mmWave) frequency band is seen as a key enabler of multi-gigabit wireless access in future cellular networks. In order to overcome the propagation challenges, mmWave systems use a large number of antenna elements both…

Information Theory · Computer Science 2015-07-14 Hossein Shokri-Ghadikolaei , Carlo Fischione , Gabor Fodor , Petar Popovski , Michele Zorzi

Millimeter wave (mmWave) communications have been considered as a key technology for next generation cellular systems and Wi-Fi networks because of its advances in providing orders-of-magnitude wider bandwidth than current wireless…

Information Theory · Computer Science 2018-07-04 Zihuan Wang , Ming Li , Qian Liu , A. Lee Swindlehurst

Massive multiuser multiple-input multiple-output (MIMO) and millimeter-wave (mmWave) communication are key physical layer technologies in future wireless systems. Their deployment, however, is expected to incur excessive baseband processing…

Hardware Architecture · Computer Science 2025-11-17 Seyed Hadi Mirfarshbafan , Christoph Studer