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相关论文: Beam-Slicing for Jammer Mitigation in mmWave Massi…

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Cell-Free Massive Multiple-input Multiple-output (mMIMO) consists of many access points (APs) in a coverage area that jointly serve the users. These systems can significantly reduce the interference among the users compared to conventional…

信息论 · 计算机科学 2021-11-16 Abbas Khalili , Alexei Ashikhmin , Hong Yang

We propose equalization-based data detection algorithms for all-digital millimeter-wave (mmWave) massive multiuser multiple-input multiple-out (MU-MIMO) systems that exploit sparsity in the beamspace domain to reduce complexity. We provide…

信号处理 · 电气工程与系统科学 2020-03-19 Seyed Hadi Mirfarshbafan , Christoph Studer

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…

信息论 · 计算机科学 2020-04-14 Xi Yang , Chao-Kai Wen , Shi Jin

Millimeter-wave (mmWave) communications are highly promising to improve the capacity of modern wireless networks, while the physical layer security (PLS) techniques hold great potential to enhance the critical secrecy performance therein.…

信息论 · 计算机科学 2020-09-07 Yuanyu Zhang , Yulong Shen , Xiaohong Jiang , Shoji Kasahara

Large intelligent surface (LIS) has recently emerged as a potential low-cost solution to reshape the wireless propagation environment for improving the spectral efficiency. In this paper, we consider a downlink millimeter-wave (mmWave)…

信息论 · 计算机科学 2020-10-27 Peilan Wang , Jun Fang , Linglong Dai , Hongbin Li

Multiple-input multiple-output (MIMO) mmWave devices broadcast multiple spatially-separated data streams simultaneously in order to increase data transfer rates. Data transfer can, however, be compromised by interference. Conventional…

信号处理 · 电气工程与系统科学 2024-02-21 Joshua C. Lederman , Weipeng Zhang , Thomas Ferreira de Lima , Eric C. Blow , Simon Bilodeau , Bhavin J. Shastri , Paul R. Prucnal

The millimeter-wave (mmWave) communication is envisioned to provide orders of magnitude capacity improvement. However, it is challenging to realize a sufficient link margin due to high path loss and blockages. To address this difficulty, in…

信息论 · 计算机科学 2021-03-04 Wei Feng , Yanmin Wang , Dengsheng Lin , Ning Ge , Jianhua Lu , Shaoqian Li

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…

信息论 · 计算机科学 2016-11-15 Mandar N. Kulkarni , Amitava Ghosh , Jeffrey G. Andrews

This paper study the effect of interference management arising due to millimeter wave (mmWave) communication on the performance of multiple input multiple output (MIMO) based spectrum sharing cognitive systems. The highly directed mmWave…

信息论 · 计算机科学 2018-06-26 Abhishek Agrahari , Aditya K. Jagannatham

Spatial filtering based on multiple-input multiple-output (MIMO) processing is a powerful method for jammer mitigation. In principle, a MIMO receiver can null the interference of a single-antenna jammer at the cost of only one degree of…

信息论 · 计算机科学 2024-08-28 Gian Marti , Alexander Stutz-Tirri , Christoph Studer

Millimeter wave (mmWave) massive MIMO can achieve orders of magnitude increase in spectral and energy efficiency, and it usually exploits the hybrid analog and digital precoding to overcome the serious signal attenuation induced by mmWave…

信息论 · 计算机科学 2016-04-01 Linglong Dai , Xinyu Gao , Jinguo Quan , Shuangfeng Han , Chih-Lin I

Millimeter wave (mmWave) communication has attracted increasing attention as a promising technology for 5G networks. One of the key architectural features of mmWave is the use of massive antenna arrays at both the transmitter and the…

网络与互联网体系结构 · 计算机科学 2018-10-02 Qing Xue , Xuming Fang , Ming Xiao

Mobility and blockage are two critical challenges in wireless transmission over millimeter-wave (mmWave) and Terahertz (THz) bands. In this paper, we investigate network massive multiple-input multiple-output (MIMO) transmission for…

信号处理 · 电气工程与系统科学 2020-11-24 Li You , Xu Chen , Xiaohang Song , Fan Jiang , Wenjin Wang , Xiqi Gao , Gerhard Fettweis

Millimeter wave (mmWave) communication by utilizing lens antenna arrays is a promising technique for realizing cost-effective 5G wireless systems with large MIMO (multiple-input multiple-output) but only limited radio frequency (RF) chains.…

信息论 · 计算机科学 2016-11-21 Yong Zeng , Lu Yang , Rui Zhang

Multi-antenna (or MIMO) processing is a promising solution to the problem of jammer mitigation. Existing methods mitigate the jammer based on an estimate of its spatial signature that is acquired through a dedicated training phase. This…

信号处理 · 电气工程与系统科学 2025-10-03 Gian Marti , Christoph Studer

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…

信号处理 · 电气工程与系统科学 2020-07-02 Mohammed Abdelghany , Ali A. Farid , Upamanyu Madhow , Mark J. W. Rodwell

In millimeter wave (mmWave) systems, we investigate uplink user scheduling when a basestation employs low-resolution analog-to-digital converters (ADCs) with a large number of antennas. To reduce power consumption in the receiver,…

信息论 · 计算机科学 2018-02-01 Jinseok Choi , Brian L. Evans

We address the resilience of future 6G MIMO communications by considering an uplink scenario where multiple legitimate transmitters try to communicate with a base station in the presence of an adversarial jammer. The jammer possesses full…

信号处理 · 电气工程与系统科学 2023-02-15 Vlad C. Andrei , Xinyang Li , Ullrich J. Mönich , Holger Boche

In this letter, we investigate the millimeter wave (mmWave) downlink multiuser multiple-input multiple-output (MU-MIMO) system, adopting the dynamic subarray architecture at the base station and considering the multi-stream communication…

信号处理 · 电气工程与系统科学 2022-05-09 Gengshan Wang , Zhijia Yang , Tierui Gong

We investigate the performance of a multiple reconfigurable intelligence surface (RIS)-aided millimeter wave (mmWave) beamspace multiple-input multiple-output (MIMO) system with multiple users (UEs). We focus on a challenging scenario in…