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相关论文: A Genetic Algorithm-based Beamforming Approach for…

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An efficient interference alignment (IA) scheme is developed for $K$-user single-input single-output frequency selective fading interference channels. The main idea is to steer the transmit beamforming matrices such that at each receiver…

信息论 · 计算机科学 2009-06-23 Sang Won Choi , Syed A. Jafar , Sae-Young Chung

We consider settings in which T multi-antenna transmitters and K single-antenna receivers concurrently utilize the available communication resources. Each transmitter sends useful information only to its intended receivers and can degrade…

信息论 · 计算机科学 2015-10-28 Rami Mochaourab , Eduard Jorswieck

We investigate beamforming and artificial noise generation at the secondary transmitters to establish secure transmission in large scale spectrum sharing networks,where multiple non-colluding eavesdroppers attempt to intercept the secondary…

信息论 · 计算机科学 2016-03-14 Yansha Deng , Lifeng Wang , Syed Ali Raza Zaidi , Jinhong Yuan , Maged Elkashlan

Millimeter-wave is one of the technologies powering the new generation of wireless communication systems. To compensate the high path-loss, millimeter-wave devices need to use highly directional antennas. Consequently, beam misalignment…

信号处理 · 电气工程与系统科学 2020-06-22 Steve Blandino , Thibault Bertrand , Claude Desset , Andre Bourdoux , Sofie Pollin

Traffic grooming is widely employed to reduce the number of ADM's and wavelengths. We consider the problem of grooming of dynamic traffic in WDM tree and star networks in this paper. To achieve better results, we used the bifurcation…

网络与互联网体系结构 · 计算机科学 2010-03-05 Kun-hong Liu , Yong Xu , De-Shuang Huang

This paper presents an automated method for optimizing parameters in analog/high-frequency circuits, aiming to maximize performance parameters of a radio-frequency (RF) receiver. The design target includes a reduction of power consumption…

神经与进化计算 · 计算机科学 2024-03-28 Mingi Kwon , Yeonjun Lee , Ickhyun Song

The advances in WDM technology lead to the great interest in traffic grooming problems. As traffic often changes from time to time, the problem of grooming dynamic traffic is of great practical value. In this paper, we discuss dynamic…

网络与互联网体系结构 · 计算机科学 2008-04-20 Kun-hong Liu , Yong Xu , De-shuang Huang , Min Cheng

A new method for the design of linear-phase robust far-field broadband beamformers using constrained optimization is proposed. In the method, the maximum passband ripple and minimum stopband attenuation are ensured to be within prescribed…

系统与控制 · 计算机科学 2015-06-18 R. C. Nongpiur , D. J. Shpak

We propose a hybrid architecture that integrates RF (i.e., sub-6 GHz) and millimeter wave (mmWave) technologies for 5G cellular systems. In particular, communications in the mmWave band faces significant challenges due to variable channels,…

信息论 · 计算机科学 2017-06-12 Morteza Hashemi , C. Emre Koksal , Ness B. Shroff

Complete absorption of electromagnetic waves is paramount in today's applications, ranging from photovoltaics to cross-talk prevention into sensitive devices. In this context, we use a genetic algorithm (GA) strategy to optimize absorption…

Beam alignment is a key challenge in directional mmWave and THz systems, where narrow beams require accurate yet low-overhead training. Existing learning-based approaches typically predict a single beam and do not quantify uncertainty,…

信号处理 · 电气工程与系统科学 2026-04-14 Esraa Fahmy Othman , Lina Bariah , Merouane Debbah

This article proposes generative site-specific beamforming (GenSSBF) for next-generation spatial intelligence in wireless networks. Site-specific beamforming (SSBF) has emerged as a promising paradigm to mitigate the channel acquisition…

信息论 · 计算机科学 2026-01-06 Zhaolin Wang , Zihao Zhou , Cheng-Jie Zhao , Yuanwei Liu

Beamforming techniques utilized either at the transmitter or the receiver terminals have achieved superior quality-of-service performances from both the multi-antenna wireless communications systems, communications intelligence and radar…

信号处理 · 电气工程与系统科学 2023-06-09 M. Yaser Yağan , Ahmet F. Coşkun , Ali E. Pusane

Genetic Algorithms are widely used in many different optimization problems including layout design. The layout of the shelves play an important role in the total sales metrics for superstores since this affects the customers' shopping…

神经与进化计算 · 计算机科学 2017-04-21 Hamide Ozlem Dalgic , Erkan Bostanci , Mehmet Serdar Guzel

For millimeter wave (mmWave) or Terahertz (THz) communications, by leveraging the high spatial resolution offered by large antenna arrays and the multi-path sparsity of mmWave/THz channels, a novel inter-symbol interference (ISI) mitigation…

信号处理 · 电气工程与系统科学 2024-10-08 Jieni Zhang , Yong Zeng , Xiangbin Yu , Shi Jin , Jinhong Yuan , Ying-Chang Liang , Rui Zhang

AI/ML-based beam selection methods coupled with location information effectively reduce beam training overhead. Unfortunately, heterogeneous antenna hardware with varying dimensions, orientations, codebooks, element patterns, and…

信号处理 · 电气工程与系统科学 2026-02-24 Ibrahim Kilinc , Robert W. Heath

Transmit beamforming for underwater acoustic communication is challenging because it requires perfect knowledge of the channel to the receiver in advance. In practice, channel estimates must be learned through feedback and are often noisy…

信号处理 · 电气工程与系统科学 2026-05-15 Diego A. Cuji , Andrew C. Singer , Milica Stojanovic

Dynamic metasurface antennas (DMAs) beamform through low-powered components that enable reconfiguration of each radiating element. Previous research on a single-user multiple-input-single-output (MISO) system with a dynamic metasurface…

信号处理 · 电气工程与系统科学 2024-12-03 Nitish Vikas Deshpande , Joseph Carlson , Miguel R. Castellanos , Robert W. Heath

Long-distance quantum communication via entanglement distribution is of great importance for the quantum internet. However, scaling up to such long distances has proved challenging due to the loss of photons, which grows exponentially with…

The massive amounts of bandwidth available at millimeter-wave frequencies (roughly above 10 GHz) have the potential to greatly increase the capacity of fifth generation cellular wireless systems. However, to overcome the high isotropic…

信息论 · 计算机科学 2018-03-06 Marco Giordani , Marco Mezzavilla , Michele Zorzi