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相关论文: Analog Beamforming Codebooks for Wideband Full-Dup…

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Full-duplex (FD) systems gained enormous attention because of the potential to double the spectral efficiency. In the context of 5G technology, FD systems operating at millimeter-wave (mmWave) frequencies become one of the most promising…

信号处理 · 电气工程与系统科学 2020-12-17 Elyes Balti , Neji Mensi

Hybrid analog/digital precoding offers a compromise between hardware complexity and system performance in millimeter wave (mmWave) systems. This type of precoding allows mmWave systems to leverage large antenna array gains that are…

信息论 · 计算机科学 2016-11-18 Ahmed Alkhateeb , Robert W. Heath

The recent attempts to realize full-duplex (FD) communications in millimeter wave (mmWave) systems have garnered a significant amount of interest for its potential. In this paper, we present a cost-efficient design of mmWave FD systems,…

信号处理 · 电气工程与系统科学 2022-08-30 Gee Yong Suk , Jongwoo Kwak , Jaeyoung Choi , Chan-Byoung Chae

Scaling the number of antennas up is a key characteristic of current and future wireless communication systems. The hardware cost and power consumption, however, motivate large-scale MIMO systems, especially at millimeter wave (mmWave)…

信息论 · 计算机科学 2020-02-26 Yu Zhang , Muhammad Alrabeiah , Ahmed Alkhateeb

Employing large antenna arrays is a key characteristic of millimeter wave (mmWave) and terahertz communication systems. Due to the hardware constraints and the lack of channel knowledge, codebook based beamforming/combining is normally…

信号处理 · 电气工程与系统科学 2022-09-13 Yu Zhang , Tawfik Osman , Ahmed Alkhateeb

This paper investigates the design of analog beamforming at the receiver in millimeter-wave (mmWave) multiple-input multiple-output (MIMO) systems, aided by full digital chains featuring 1-bit ADCs. We advocate utilizing these full digital…

信号处理 · 电气工程与系统科学 2025-02-18 Lina Liu , Weimin Xiao , Jialing Liu , Zhigang Rong

We present measurements and analysis of self-interference in multi-panel millimeter wave (mmWave) full-duplex communication systems at 28 GHz. In an anechoic chamber, we measure the self-interference power between the input of a…

信号处理 · 电气工程与系统科学 2022-06-17 Ian P. Roberts , Aditya Chopra , Thomas Novlan , Sriram Vishwanath , Jeffrey G. Andrews

Characterizing self-interference is essential to the design and evaluation of in-band full-duplex communication systems. Until now, little has been understood about this coupling in full-duplex systems operating at millimeter wave (mmWave)…

信号处理 · 电气工程与系统科学 2023-03-07 Ian P. Roberts , Aditya Chopra , Thomas Novlan , Sriram Vishwanath , Jeffrey G. Andrews

Analog beamforming is the predominant approach for millimeter wave (mmWave) communication given its favorable characteristics for limited-resource devices. In this work, we aim at reducing the spectral efficiency gap between analog and…

Analog beamforming holds great potential for future terahertz (THz) communications due to its ability to generate high-gain directional beams with low-cost phase shifters. However, conventional analog beamforming may suffer substantial…

信号处理 · 电气工程与系统科学 2026-03-26 Yike Xie , Weidong Mei , Dong Wang , Yingqi Wen , Zhi Chen , Jun Fang , Wei Guo , Boyu Ning

Low-complexity beamformer design with practical constraints is an attractive research area for hybrid analog/digital systems in mm-wave massive multiple-input multiple-output (MIMO). This paper investigates interference-aware pre-beamformer…

信息论 · 计算机科学 2024-10-28 Murat Bayraktar , Gokhan Muzaffer Guvensen

Hybrid beamforming is considered a key enabler to realize millimeter wave (mmWave) multiple-input multiple-output (MIMO) communications due to its capability of considerably reducing the number of costly and power-hungry radio frequency…

信号处理 · 电气工程与系统科学 2021-08-25 Mengyuan Ma , Nhan Thanh Nguyen , Markku Juntti

In recent years, there has been extensive research on millimeter-wave (mmWave) communication and on in-band full-duplex (FD) communication, but work on the combination of the two is relatively lacking. FD mmWave systems could offer…

信号处理 · 电气工程与系统科学 2020-07-01 Ian P. Roberts , Sriram Vishwanath

Demonstrating the feasibility of large antenna array beamforming is essential for realizing mmWave communication systems. This is due to the dependency of these systems on the large array beamforming gains to provide sufficient received…

信息论 · 计算机科学 2018-08-07 Cody Scarborough , Kiran Venugopal , Ahmed Alkhateeb , Robert W. Heath,

Millimeter wave (mmWave) systems will likely employ large antenna arrays at both the transmitters and receivers. A natural application of antenna arrays is simultaneous transmission to multiple users, which requires multi-user precoding at…

信息论 · 计算机科学 2016-11-17 Ahmed Alkhateeb , Robert W. Heath , Geert Leus

Milimeter wave (mmWave) band mobile communications can be a solution to the continuously increasing traffic demand in modern wireless systems. Even though mmWave bands are scarcely occupied, the design of a prospect transceiver should…

信息论 · 计算机科学 2016-12-12 Christos G. Tsinos , Sina Maleki , Symeon Chatzinotas , Bjorn Ottersten

Millimeter-wave communications rely on narrow-beam transmissions to cope with the strong signal attenuation at these frequencies, thus demanding precise alignment between transmitter and receiver. However, the beam-alignment procedure may…

信息论 · 计算机科学 2018-10-10 Muddassar Hussain , Nicolo Michelusi

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…

信息论 · 计算机科学 2015-06-18 Ahmed Alkhateeb , Omar El Ayach , Geert Leus , Robert W. Heath

Hybrid analog and digital beamforming is a promising candidate for large-scale mmWave MIMO systems because of its ability to significantly reduce the hardware complexity of the conventional fully-digital beamforming schemes while being…

信息论 · 计算机科学 2017-11-23 Foad Sohrabi , Wei Yu

The potential of using of millimeter wave (mmWave) frequency for future wireless cellular communication systems has motivated the study of large-scale antenna arrays for achieving highly directional beamforming. However, the conventional…

信息论 · 计算机科学 2016-05-04 Foad Sohrabi , Wei Yu