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Multi-antenna or multiple-input multiple-output (MIMO) technique can significantly improve the efficiency of radio frequency (RF) signal enabled wireless energy transfer (WET). To fully exploit the energy beamforming gain at the energy…

信息论 · 计算机科学 2016-05-04 Jie Xu , Rui Zhang

In this paper, we present a fixed mmWave Multi-User Multiple-Input Multiple-Output (MIMO) system for fixed wireless access with a unique architecture. A digital MIMO system is combined with an analog multi-beam antenna array which uses a…

信号处理 · 电气工程与系统科学 2020-03-10 Achiel Colpaert , Evgenii Vinogradov , Sofie Pollin

Optimal MIMO detection has been one of the most challenging and computationally inefficient tasks in wireless systems. We show that the new analog computing techniques like Coherent Ising Machines (CIM) are promising candidates for…

网络与互联网体系结构 · 计算机科学 2024-09-06 Abhishek Kumar Singh , Kyle Jamieson , Davide Venturelli , Peter McMahon

This letter presents a comprehensive framework analyzing the asymptotic error performance of a multiple-input-multiple-output (MIMO) wireless system employing spatial modulation (SM) with maximum likelihood detection and perfect channel…

信息论 · 计算机科学 2014-06-02 Kostas P. Peppas , Martin Zamkotsian , Fotis Lazarakis , Panayotis G. Cottis

This paper studies the transmit power optimization in a multi-cell massive multiple-input multiple-output (MIMO) system. To overcome the scalability issue of network-wide max-min fairness (NW-MMF), we propose a novel power control (PC)…

信息论 · 计算机科学 2021-05-24 Amin Ghazanfari , Hei Victor Cheng , Emil Björnson , Erik G. Larsson

Accurate communication performance prediction is crucial for wireless applications such as network deployment and resource management. Unlike conventional systems with a single transmit and receive antenna, throughput (Tput) estimation in…

信息论 · 计算机科学 2025-04-02 Fan-Hao Lin , Tzu-Hao Huang , Chao-Kai Wen , Trung Q. Duong

A framework for energy-efficient resource allocation in a single-user, amplify-and-forward relay-assisted MIMO system is devised in this paper. Previous results in this area have focused on rate maximization or sum power minimization…

信息论 · 计算机科学 2014-03-06 Alessio Zappone , Pan Cao , Eduard A. Jorswieck

We consider a multi-pair massive multiple-input multiple-output (MIMO) relay network, where the relay is equipped with a large number, N, of antennas, but driven by a far smaller number, L, of radio frequency (RF) chains. We assume that K…

信息论 · 计算机科学 2017-06-27 Wei Xu , Jian Liu , Shi Jin , Xiaodai Dong

Terahertz inter-satellite links (THz-ISL) offer unprecedented bandwidth for future space networks but face fundamental constraints from onboard power and thermal budgets. This paper establishes theoretical performance limits for MIMO…

信号处理 · 电气工程与系统科学 2025-12-16 Haofan Dong , Ozgur B. Akan

Densification is a key to greater throughput in cellular networks. The full potential of coordinated multipoint (CoMP) can be realized by massive multiple-input multiple-output (MIMO) systems, where each base station (BS) has very many…

信息论 · 计算机科学 2014-03-20 Emil Björnson , Michail Matthaiou , Mérouane Debbah

Massive Multiple-Input Multiple-Output (mMIMO) is one of the essential technologies introduced by the Fifth Generation (5G) of wireless communication systems. However, although mMIMO provides many benefits for wireless communications, it…

MIMO (Multi Input Multi Output) wireless communication system is an innovative solution to improve the bandwidth efficiency by exploiting multipath-richness of the propagation environment. The degree of multipath-richness of the channel…

网络与互联网体系结构 · 计算机科学 2010-03-25 M. Habib Ullah , Md. Niamul Bari , A. Unggul Priantoro

In a multiple-input multiple-output (MIMO) system, the availability of channel state information (CSI) at the transmitter is essential for performance improvement. Recent convolutional neural network (NN) based techniques show competitive…

信息论 · 计算机科学 2018-11-20 Chao Lu , Wei Xu , Hong Shen , Jun Zhu , Kezhi Wang

Channel estimation is a critical task in multiple-input multiple-output (MIMO) digital communications that substantially effects end-to-end system performance. In this work, we introduce a novel approach for channel estimation using deep…

信号处理 · 电气工程与系统科学 2022-11-09 Marius Arvinte , Jonathan I Tamir

We present a novel approach to maximizing the transmission rate in a MIMO relay system, where all nodes are equipped with multiple antennas and the relay is self-sustained by harvesting energy. We formulate an optimization problem and use…

信号处理 · 电气工程与系统科学 2018-11-30 Rafia Malik , Mai Vu

End-to-end data-driven machine learning (ML) of multiple-input multiple-output (MIMO) systems has been shown to have the potential of exceeding the performance of engineered MIMO transceivers, without any a priori knowledge of…

信号处理 · 电气工程与系统科学 2020-05-21 Jinxiang Song , Christian Häger , Jochen Schröder , Tim O'Shea , Henk Wymeersch

In this paper, we introduce a mathematical approach for system-level analysis and optimization of densely deployed multiple-antenna cellular networks, where low-energy devices are capable of decoding information data and harvesting power…

信息论 · 计算机科学 2016-08-30 Lam Thanh Tu , Marco Di Renzo , Justin P. Coon

In this paper power allocation in a cellular network, which transmitter uses massive multiple inputs multiple outputs (MIMO) system was studied. As circuit power consumption is increased by the number of antenna in transmitter and users,…

信号处理 · 电气工程与系统科学 2019-01-03 Saeed Sadeghi Vilni

A Cell-Free Massive MIMO (multiple-input multiple-output) system comprises a very large number of distributed access points (APs)which simultaneously serve a much smaller number of users over the same time/frequency resources based on…

信息论 · 计算机科学 2017-01-18 Hien Quoc Ngo , Alexei Ashikhmin , Hong Yang , Erik G. Larsson , Thomas L. Marzetta

In diffusion-based molecular communication, information transport is governed by diffusion through a fluid medium. The achievable data rates for these channels are very low compared to the radio-based communication system, since diffusion…

新兴技术 · 计算机科学 2016-03-15 Bon-Hong Koo , Changmin Lee , H. Birkan Yilmaz , Nariman Farsad , Andrew Eckford , Chan-Byoung Chae
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