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Beam training of 802.11 ad is a technology that helps accelerate the analog weighting vector (AWV) selection process under the constraint of the existing code-book for AWV. However, 5G milli-meter wave (mmWave)…

信息论 · 计算机科学 2022-11-30 Lyutianyang Zhang , Sumit Roy

As a key enabling technology for 5G wireless, millimeter wave (mmWave) communication motivates the utilization of large-scale antenna arrays for achieving highly directional beamforming. However, the high cost and power consumption of RF…

信息论 · 计算机科学 2018-07-04 Qingjiang Shi , Mingyi Hong

Millimeter wave (mmWave) systems are emerging as an essential technology to enable extremely high data rate wireless communications. The main limiting factors of mmWave systems are blockage (high penetration loss) and deafness (misalignment…

网络与互联网体系结构 · 计算机科学 2016-08-12 Yuzhe Xu , Hossein Shokri-Ghadikolaei , Carlo Fischione

Millimeter wave (mmW) communication is a promising solution for providing high-capacity wireless network access. However, the benefits of mmW are limited by the fact that the channel between a mmW access point and the user equipment can…

网络与互联网体系结构 · 计算机科学 2019-06-07 Mehdi Naderi Soorki , Walid Saad , Mehdi Bennis

The design of a scheduling scheme is crucial for the efficiency and user-fairness of wireless networks. Assuming that the quality of all user channels is available to a central controller, a simple scheme which maximizes the utility…

信息论 · 计算机科学 2010-09-15 Hui Zhou , Pingyi Fan , Dongning Guo

Maintaining reliable millimeter wave (mmWave) connections to many fast-moving mobiles is a key challenge in the theory and practice of 5G systems. In this paper, we develop a new algorithm that can jointly track the beam direction and…

信息论 · 计算机科学 2018-02-14 Jiahui Li , Yin Sun , Limin Xiao , Shidong Zhou , Ashutosh Sabharwal

Millimeter wave (mmWave) technology is expected to be a major component of 5G wireless networks. Ultra-wide bandwidths of mmWave signals and the possibility of utilizing large number of antennas at the transmitter and the receiver allow…

信号处理 · 电气工程与系统科学 2018-08-01 Macey Ruble , Dr. Ismail Guvenc

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…

Fifth generation (5G) wireless networks are expected to utilize wide bandwidths available at millimeter wave (mmWave) frequencies for enhancing system throughput. However, the unfavorable channel conditions of mmWave links, e.g., higher…

信息论 · 计算机科学 2017-02-06 Jiho Song , Junil Choi , David J. Love

Existing solutions to network scheduling typically assume that the instantaneous link rates are completely known before a scheduling decision is made or consider a bandit setting where the accurate link quality is discovered only after it…

机器学习 · 计算机科学 2023-01-13 Tianyi Xu , Ding Zhang , Zizhan Zheng

5G millimeter wave (mmWave) signals can enable accurate positioning in vehicular networks when the base station and vehicles are equipped with large antenna arrays. However, radio-based positioning suffers from multipath signals generated…

信号处理 · 电气工程与系统科学 2020-02-27 Hyowon Kim , Karl Granström , Lin Gao , Giorgio Battistelli , Sunwoo Kim , Henk Wymeersch

To achieve high-speed (giga-bit) connectivity for short-range wireless multimedia applications, the millimeter-wave (mmWave) wireless personal area networks with directional antennas are gaining increased interest. Due to the use of…

网络与互联网体系结构 · 计算机科学 2018-01-19 Muhammad Bilal , Moonsoo Kang , Sayed Chhattan Shah , Shin-Gak Kang

Millimeter wave (MmWave) has been regarded as a promising technology to support high-capacity communications in 5G era. However, its high-layer performance such as latency and packet drop rate in the long term highly depends on resource…

系统与控制 · 电气工程与系统科学 2023-03-30 Yifei Sun , Bojie Lv , Rui Wang , Haisheng Tan , Francis C. M. Lau

The availability of large bandwidth at millimeter wave (mmWave) frequencies is one of the major factors that rendered very high frequencies a promising candidate enabler for fifth generation (5G) mobile communication networks. To confront…

信息论 · 计算机科学 2016-10-04 George C. Alexandropoulos , Symeon Chouvardas

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…

信息论 · 计算机科学 2018-06-19 Xiaoshen Song , Saeid Haghighatshoar , Giuseppe Caire

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…

网络与互联网体系结构 · 计算机科学 2020-04-27 Marco Giordani , Marco Mezzavilla , Sundeep Rangan , Michele Zorzi

Terahertz wireless backhaul is expected to meet the high-speed backhaul requirements of future ultra-dense networks using millimeter-wave (mmWave) base stations (BSs). In order to achieve higher network capacity with limited resources and…

信息论 · 计算机科学 2023-08-22 Lei Wang , Bo Ai , Yong Niu , Haiyan Jiang , Shiwen Mao , Zhangdui Zhong , Ning Wang

Millimeter wave (mmWave) communication with large array gains is a key ingredient of next generation (5G) wireless networks. Effective communication in mmWaves usually depends on the knowledge of the channel. We refer to the problem of…

信息论 · 计算机科学 2017-11-30 Xiaoshen Song , Saeid Haghighatshoar , Giuseppe Caire

In mobile millimeter wave (mmWave) systems, energy is a scarce resource due to the large losses in the channel and high energy usage by analog-to-digital converters (ADC), which scales with bandwidth. In this paper, we consider a…

信息论 · 计算机科学 2017-10-04 Morteza Hashemi , C. Emre Koksal , Ness B. Shroff

In ultra-dense millimeter wave (mmWave) networks, mmWave signals suffer from severe path losses and are easily blocked by obstacles. Meanwhile, ultra-dense deployment causes excessive handovers, which reduces the data link reliability. To…

网络与互联网体系结构 · 计算机科学 2022-02-10 Ailing Chen , Shengchang Li , Jichen Xiong , Kezhong Jin , Zhenzhou Tang