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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…

信号处理 · 电气工程与系统科学 2019-11-14 Alireza Alizadeh , Mai Vu , Theodore S. Rappaport

With the explosive growth of mobile data demand, the fifth generation (5G) mobile network would exploit the enormous amount of spectrum in the millimeter wave (mmWave) bands to greatly increase communication capacity. There are fundamental…

网络与互联网体系结构 · 计算机科学 2015-02-26 Yong Niu , Yong Li , Depeng Jin , Li Su , Athanasios V. Vasilakos

Millimeter-wave (mmWave) cellular systems are power-limited and susceptible to blockages. As a result, mmWave connectivity will be likely to be intermittent. One promising approach to increasing mmWave connectivity and range is to use…

信息论 · 计算机科学 2015-10-09 Ning Wei , Xingqin Lin , Zhongpei Zhang

Exploiting the millimeter wave (mmWave) band has recently attracted considerable attention as a potential solution to widespread deployment of device-to-device (D2D) communication challenges, namely, spectrum scarcity and interference.…

信号处理 · 电气工程与系统科学 2019-06-17 Niloofar Bahadori , Nima Namvar , Brian Kelley , Abdollah Homaifar

Millimeter wave (mmWave) technology is expected to dominate the future 5G networks mainly due to large spectrum available at these frequencies. However, coverage deteriorates significantly at mmWave frequencies due to higher path loss,…

信号处理 · 电气工程与系统科学 2018-05-29 Wahab Khawaja , Ozgur Ozdemir , Yavuz Yapici , Ismail Guvenc , Yuichi Kakishima

Millimeter wave (mmWave) communication is a promising technology for the fifth-generation (5G) wireless system. However, the large number of antennas used and the wide signal bandwidth in mmWave systems render the conventional multi-antenna…

信息论 · 计算机科学 2016-10-11 Yong Zeng , Rui Zhang

The millimeter wave (mmWave) bands offer the possibility of orders of magnitude greater throughput for fifth generation (5G) cellular systems. However, since mmWave signals are highly susceptible to blockage, channel quality on any one…

网络与互联网体系结构 · 计算机科学 2018-09-07 Michele Polese , Marco Giordani , Marco Mezzavilla , Sundeep Rangan , Michele Zorzi

This paper studies a gain of an antenna array embedded on a mobile device operating at a millimeter-wave radio frequency. Assuming that mobile phones at millimeter-wave range operate with a single baseband unit and analog beamforming like…

信号处理 · 电气工程与系统科学 2018-02-26 Katsuyuki Haneda , Mikko Heino , Jan Järveläinen

In the past ten years, there have been tremendous research progresses on massive MIMO systems, most of which stand from the communications viewpoint. A new trend of investigating massive MIMO, especially for the sparse scenario like…

信号处理 · 电气工程与系统科学 2019-10-23 Mingjin Wang , Feifei Gao , Shi Jin , Hai Lin

This paper describes wideband (1 GHz) base station diversity and coordinated multipoint (CoMP)-style large-scale measurements at 73 GHz in an urban microcell open square scenario in downtown Brooklyn, New York on the NYU campus. The…

信息论 · 计算机科学 2018-05-10 George R. MacCartney , Theodore S. Rappaport , Amitava Ghosh

Millimeter wave communications require multibeam beamforming in order to utilize wireless channels that suffer from obstructions, path loss, and multi-path effects. Digital multibeam beamforming has maximum degrees of freedom compared to…

To support faster and more efficient networks, mobile operators and service providers are bringing 5G millimeter wave (mmWave) networks indoors. However, due to their high directionality, mmWave links are extremely vulnerable to blockage by…

信号处理 · 电气工程与系统科学 2021-02-03 Kun Woo Cho , Mohammad Hossein Mazaheri , Jeremy Gummeson , Omid Abari , Kyle Jamieson

Millimeter-wave (mmWave) cell-free massive multi-user (MU) multiple-input multiple-output (MIMO) systems combine the large bandwidths available at mmWave frequencies with the improved coverage of cell-free systems. However, to combat the…

信息论 · 计算机科学 2022-07-21 Jannik Brun , Victoria Palhares , Gian Marti , Christoph Studer

In this paper, we introduce our millimeter-wave (mmWave) radio channel measurement for integrated sensing and communication (ISAC) scenarios with distributed links at dual bands in an indoor cavity; we also characterize the channel in delay…

信号处理 · 电气工程与系统科学 2024-11-05 Yang Miao , Minseok Kim , Naoya Suzuki , Chechia Kang , Junichi Takada

Highly directional millimeter wave (mmWave) radios need to perform beam management to establish and maintain reliable links. To do so, existing solutions mostly rely on explicit coordination between the transmitter (TX) and the receiver…

网络与互联网体系结构 · 计算机科学 2021-06-09 Michele Polese , Francesco Restuccia , Tommaso Melodia

A new method of angle estimation of multiple targets using a distributed interferometric antenna array and wideband space-time modulation is presented in this work. Interferometric array measurements of angle of arrival are generally…

信号处理 · 电气工程与系统科学 2021-11-24 Stavros Vakalis , Jeffrey A. Nanzer

The challenge to in-band full-duplex wireless communication is managing self-interference. Many designs have employed spatial isolation mechanisms, such as shielding or multi-antenna beamforming, to isolate the self-interference wave from…

信息论 · 计算机科学 2015-06-11 Evan Everett , Ashutosh Sabharwal

In this article, we address the challenges of transmitter-receiver isolation in \emph{mobile full-duplex devices}, building on shared-antenna based transceiver architecture. Firstly, self-adaptive analog RF cancellation circuitry is…

In this paper we study the maximum throughput achievable with optimal scheduling in multi-hop networks with highly directive antenna arrays capable of Space Division Multiplexing (SDM) at the transmitter and Space Division Multiple Access…

信息论 · 计算机科学 2019-01-28 Felipe Gómez-Cuba , Michele Zorzi

Millimeter-wave (mmWave) communication has been widely accepted as an enabler of 6G and other next-generation wireless networks, though high path loss strains link budgets, and difficult channel conditions have limited the deployment of…