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The millimeter wave (mmWave) bands have recently attracted considerable interest for next-generation cellular systems due to the massive available bandwidths at these frequencies. However, a key challenge in designing mmWave cellular…

Millimeter-wave (mmWave) communications rely on directional transmissions to overcome severe path loss. Nevertheless, the use of narrow beams complicates the initial access procedure and increase the latency as the transmitter and receiver…

Information Theory · Computer Science 2018-12-04 Yanpeng Yang , Hossein S. Ghadikolaei , Carlo Fischione , Marina Petrova , Ki Won Sung

The millimeter wave (mmWave) frequencies offer the availability of huge bandwidths to provide unprecedented data rates to next-generation cellular mobile terminals. However, mmWave links are highly susceptible to rapid channel variations…

Networking and Internet Architecture · Computer Science 2019-11-05 Marco Giordani , Michele Polese , Arnab Roy , Douglas Castor , Michele Zorzi

Millimeter wave (mmWave) holds promise as a carrier frequency for fifth generation cellular networks. Because mmWave signals are sensitive to blockage, prior models for cellular networks operated in the ultra high frequency (UHF) band do…

Information Theory · Computer Science 2014-10-21 Tianyang Bai , Robert W. Heath

Recently, there has been considerable interest in new tiered network cellular architectures, which would likely use many more cell sites than found today. Two major challenges will be i) providing backhaul to all of these cells and ii)…

Information Theory · Computer Science 2016-11-15 Sooyoung Hur , Taejoon Kim , David J. Love , James V. Krogmeier , Timothy A. Thomas , Amitava Ghosh

Millimeter-wave (mm-Wave) cellular systems are a promising option for a very high data rate communication because of the large bandwidth available at mm-Wave frequencies. Due to the large path-loss exponent in the mm-Wave range of the…

Information Theory · Computer Science 2015-11-06 Saeid Haghighatshoar , Giuseppe Caire

Millimeter wave (mmWave) cellular systems will enable gigabit-per-second data rates thanks to the large bandwidth available at mmWave frequencies. To realize sufficient link margin, mmWave systems will employ directional beamforming with…

Information Theory · Computer Science 2015-06-18 Ahmed Alkhateeb , Omar El Ayach , Geert Leus , Robert W. Heath

Communicating on millimeter wave (mmWave) bands is ushering in a new epoch of mobile communication which provides the availability of 10 Gbps high data rate transmission. However, mmWave links are easily prone to short transmission range…

Signal Processing · Electrical Eng. & Systems 2022-05-31 Yi Wang , Zhiqing Wei , Zhiyong Feng

We study the distribution of the interference power in a millimeter wave (mmWave) cellular network. Such interference is random and highly dependent on the employed transmission technique, as well as the varying channel conditions and the…

Signal Processing · Electrical Eng. & Systems 2019-11-14 Alireza Alizadeh , Mai Vu , Theodore S. Rappaport

We provide a comprehensive overview of mathematical models and analytical techniques for millimeter wave (mmWave) cellular systems. The two fundamental physical differences from conventional Sub-6GHz cellular systems are (i) vulnerability…

Information Theory · Computer Science 2016-11-17 Jeffrey G. Andrews , Tianyang Bai , Mandar Kulkarni , Ahmed Alkhateeb , Abhishek Gupta , Robert W. Heath

Supporting high mobility in millimeter wave (mmWave) systems enables a wide range of important applications such as vehicular communications and wireless virtual/augmented reality. Realizing this in practice, though, requires overcoming…

Information Theory · Computer Science 2019-02-25 Ahmed Alkhateeb , Sam Alex , Paul Varkey , Ying Li , Qi Qu , Djordje Tujkovic

In this paper, we propose an efficient beam training technique for millimeter-wave (mmWave) communications. When some mobile users are under high mobility, the beam training should be performed frequently to ensure the accurate acquisition…

Information Theory · Computer Science 2018-10-09 Sun Hong Lim , Jisu Bae , Sunwoo Kim , Byonghyo Shim , Jun Won Choi

The problem of beam alignment (BA) in a cell-free massive multiple-input multiple-output (CF-mMIMO) system operating at millimeter wave (mmWaves) carrier frequencies is considered in this paper. Two estimation algorithms are proposed, in…

Information Theory · Computer Science 2021-06-28 Stefano Buzzi , Carmen D'Andrea , Maria Fresia , Xiaofeng Wu

Millimeter-wave (mmWave) communication is considered as a key enabler of ultra-high data rates in the future cellular and wireless networks. The need for directional communication between base stations (BSs) and users in mmWave systems,…

Signal Processing · Electrical Eng. & Systems 2020-11-04 Sara Khosravi , Hossein S. Ghadikolaei , Marina Petrova

Millimeter wave (mmWave) communication is envisioned as a cornerstone to fulfill the data rate requirements for fifth generation (5G) cellular networks. In mmWave communication, beamforming is considered as a key technology to combat the…

Information Theory · Computer Science 2016-05-09 Waqas Bin Abbas , Michele Zorzi

Initial access is the process which allows a mobile user to first connect to a cellular network. It consists of two main steps: cell search (CS) on the downlink and random access (RA) on the uplink. Millimeter wave (mmWave) cellular systems…

Information Theory · Computer Science 2017-03-27 Yingzhe Li , Jeffrey G. Andrews , Francois Baccelli , Thomas D. Novlan , Charlie Zhang

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…

Information Theory · Computer Science 2019-09-05 Sung-En Chiu , Nancy Ronquillo , Tara Javidi

Availability of abundant spectrum has enabled millimeter wave (mm-wave) as a prominent candidate solution for the next generation cellular networks. Highly directional transmissions are essential for exploitation of mm-wave bands to…

Information Theory · Computer Science 2017-09-26 Yilin Li , Jian Luo , Mario Castaneda , Richard Stirling-Gallacher , Wen Xu , Giuseppe Caire

Millimeter wave (mmWave) has great potential in realizing high data rate thanks to the large spectral channels. It is considered as a key technology for the fifth generation wireless networks and is already used in wireless LAN (e.g., IEEE…

Information Theory · Computer Science 2015-11-11 Vutha Va , Junil Choi , Robert W. Heath

We propose a novel analytical framework for evaluating the coverage performance of a millimeter wave (mmWave) cellular network where idle user equipments (UEs) act as relays. In this network, the base station (BS) adopts either the direct…

Information Theory · Computer Science 2019-12-30 Simin Xu , Nan Yang , Biao He , Hamid Jafarkhani
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