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相关论文: Beampattern Design in Non-Uniform MIMO Communicati…

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Reconfigurable multiple-input multiple-output can provide performance gains over traditional MIMO by reshaping the channels, i.e., introducing more channel realizations. In this paper, we focus on the achievable rate maximization pattern…

信息论 · 计算机科学 2023-02-14 Haonan Wang , Ang Li , Ya-Feng Liu , Qibo Qin , Lingyang Song , Yonghui Li

Switch-based hybrid network is a promising implementation for beamforming in large-scale millimetre wave (mmWave) antenna arrays. By fully exploiting the sparse nature of the mmWave channel, such hybrid beamforming reduces complexity and…

信号处理 · 电气工程与系统科学 2019-09-02 Hamed Nosrati , Elias Aboutanios , Xiangrong Wang , David Smith

We present deep learning methods for the design of arrays and single instances of small antennas. Each design instance is conditioned on a target radiation pattern and is required to conform to specific spatial dimensions and to include, as…

机器学习 · 计算机科学 2021-05-11 Shahar Lutati , Lior Wolf

Massive multi-input multi-output (MIMO) has evolved along two tracks: cellular and cell-free, each with unique advantages and limitations. The cellular approach suffers from worse user spectral efficiency at cell edges, whereas the…

信息论 · 计算机科学 2025-06-30 Wei Jiang , Hans D. Schotten

In conventional multiple-input multiple-output (MIMO), static array configurations struggle in dynamic environments, and further antenna scaling is bounded by cost, energy, and footprint. Emerging approaches, which can enable…

信息论 · 计算机科学 2025-11-11 Zhe Wang , Jiayi Zhang , Bokai Xu , Wenhui Yi , Emil Björnson , Bo Ai

In this study, we consider a spectrum sharing architecture, wherein a multiple-input multiple-output communication system cooperatively coexists with a surveillance radar. The degrees of freedom for system design are the transmit powers of…

信号处理 · 电气工程与系统科学 2022-05-17 Emanuele Grossi , Marco Lops , Luca Venturino

As a next-generation wireless technology, the in-band full-duplex (IBFD) transmission enables simultaneous transmission and reception of signals over the same frequency, thereby doubling spectral efficiency. Further, a continuous up-scaling…

信息论 · 计算机科学 2024-03-29 Sk Nayemuzzaman , Kumar Vijay Mishra , Jiawei Liu , Mohammad Saquib

High-mobility adaption and massive Multiple-input Multiple-output (MIMO) application are two primary evolving objectives for the next generation high speed train (HST) wireless communication system. In this paper, we consider how to design…

信息论 · 计算机科学 2017-04-12 Xuhong Chen , Jiaxun Lu , Tao Li , Pingyi Fan , Khaled Ben Letaief

Wireless backhaul communication has been recently realized with large antennas operating in the millimeter wave (mmWave) frequency band and implementing highly directional beamforming. In this paper, we focus on the alignment problem of…

信息论 · 计算机科学 2017-10-13 George C. Alexandropoulos

Massive multiple-input multiple-output (MIMO) has been a critical enabling technology in 5th generation (5G) wireless networks. With the advent of 6G, a natural evolution is to employ even more antennas, potentially an order of magnitude…

信号处理 · 电气工程与系统科学 2024-08-13 Wentao Yu , Yifan Ma , Hengtao He , Shenghui Song , Jun Zhang , Khaled B. Letaief

The trend toward using increasingly large arrays of antenna elements continues. However, fitting more antennas into the limited space available on user equipment (UE) within the currently popular Frequency Range 1 spectrum presents a…

信息论 · 计算机科学 2024-12-30 Chao-Kai Wen , Yen-Cheng Chan , Tzu-Hao Huang , Hao-Jun Zeng , Fu-Kang Wang , Lung-Sheng Tsai , Pei-Kai Liao

An exponential increase in the data rate demand prompted several technical innovations. Multi User Multiple Input Multiple Output (MU-MIMO) is one of the most promising schemes. This has been evolved into Massive MIMO technology in 5G to…

信号处理 · 电气工程与系统科学 2024-06-11 Md. Asif Ishrak Sarder , Fehima Tajrian , Moontasir Rafique , Mariea Anzum , Abdullah Bin Shams

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

An efficient analog network coding transmission protocol is proposed in this letter for a MIMO two way cellular network. Block signal alignment is first proposed to null the inter-user interference for multi-antenna users, which makes the…

信息论 · 计算机科学 2013-08-19 Ming Gan , Zhiguo Ding , Xuchu Dai

A critical task of a radar receiver is data association, which assigns radar target detections to target filter tracks. Motivated by its importance, this paper introduces the problem of jointly designing multiple-input multiple-output…

信号处理 · 电气工程与系统科学 2019-11-22 Urs Niesen , Jayakrishnan Unnikrishnan

Multiple-input multiple-output has been a key technology for wireless systems for decades. For typical MIMO communication systems, antenna array elements are usually separated by half of the carrier wavelength, thus termed as conventional…

信号处理 · 电气工程与系统科学 2024-08-06 Huizhi Wang , Chao Feng , Yong Zeng , Shi Jin , Chau Yuen , Bruno Clerckx , Rui Zhang

A wireless network of multiple transmitter-user pairs overheard by an eavesdropper, where the transmitters are equipped with multiple antennas while the users and eavesdropper are equipped with a single antenna, is considered. At different…

信息论 · 计算机科学 2018-08-01 Zhichao Sheng , Hoang Duong Tuan , Trung Q. Duong , H. Vincent Poor

In this paper, we consider the design of a multiple-input multiple-output (MIMO) transmitter which simultaneously functions as a MIMO radar and a base station for downlink multiuser communications. In addition to a power constraint, we…

信号处理 · 电气工程与系统科学 2021-09-07 Xiang Liu , Tianyao Huang , Yimin Liu

Multiple-input multiple-output (MIMO) has been a key technology of wireless communications for decades. A typical MIMO system employs antenna arrays with the inter-antenna spacing being half of the signal wavelength, which we term as…

信息论 · 计算机科学 2024-06-19 Xinrui Li , Hongqi Min , Yong Zeng , Shi Jin , Linglong Dai , Yifei Yuan , Rui Zhang

Millimeter-wave (mmWave) multiple-input multiple-out (MIMO) systems relying on lens antenna arrays are capable of achieving a high antenna-gain at a considerably reduced number of radio frequency (RF) chains via beam selection. However, the…

信息论 · 计算机科学 2020-04-20 Wenqian Shen , Xiangyuan Bu , Xinyu Gao , Chengwen Xing , Lajos Hanzo