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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

This paper presents a physical layer network coding (PNC) approach for network MIMO (N-MIMO) systems to release the heavy burden of backhaul load. The proposed PNC approach is applied for uplink scenario in binary systems, and the design…

信号处理 · 电气工程与系统科学 2018-05-22 Tong Peng , Yi Wang , Alister G. Burr , Mohammad Shikh-Bahaei

We consider a downlink multiuser massive MIMO system comprising multiple heterogeneous base stations with hybrid precoding architectures. To enhance the energy efficiency of the network, we propose a novel coordinated hybrid precoding…

信号处理 · 电气工程与系统科学 2019-08-12 Ganapati Hegde , Christos Masouros , Marius Pesavento

Massive multiple-input multiple-output (mMIMO) downlink precoding offers high spectral efficiency but remains challenging to deploy in practice because near-optimal algorithms such as the weighted minimum mean squared error (WMMSE) are…

机器学习 · 计算机科学 2026-01-30 Ali Hasanzadeh Karkan , Ahmed Ibrahim , Jean-François Frigon , François Leduc-Primeau

Precoding is a method of compensating the channel at the transmitter. This work presents a novel method of data detection in turbo coded single user massive multiple input multiple output (MIMO) systems using precoding. We show via computer…

信息论 · 计算机科学 2020-08-03 K. Vasudevan , Gyanesh Kumar Pathak , A. Phani Kumar Reddy

In this paper, a novel framework is proposed for optimizing the operation and performance of a large-scale, multi-hop millimeter wave (mmW) backhaul within a wireless small cell network (SCN) that encompasses multiple mobile network…

计算机科学与博弈论 · 计算机科学 2017-05-23 Omid Semiari , Walid Saad , Mehdi Bennis , Zaher Dawy

This paper introduces a novel neural network (NN) structure referred to as an ``Auto-hybrid precoder'' (Auto-HP) and an unsupervised deep learning (DL) approach that jointly designs \ac{mmWave} probing beams and hybrid precoding matrix…

网络与互联网体系结构 · 计算机科学 2025-03-12 Asmaa Abdallah , Abdulkadir Celik , Ahmed Alkhateeb , Ahmed M. Eltawil

Massive multiple input multiple output (MIMO) systems are typically designed under the assumption of linear power amplifiers (PAs). However, PAs are typically most energy-efficient when operating close to their saturation point, where they…

机器学习 · 计算机科学 2022-10-14 Thomas Feys , Xavier Mestre , François Rottenberg

This paper investigates over-the-air computation (AirComp) over multiple-access time-varying channels, where devices with high mobility transmit their sensing data to a fusion center (FC) for averaging. To combat the Doppler shift induced…

信息论 · 计算机科学 2024-12-30 Xinyu Huang , Henrik Hellström , Carlo Fischione

Topological neural networks (TNNs) are information processing architectures that model representations from data lying over topological spaces (e.g., simplicial or cell complexes) and allow for decentralized implementation through localized…

信息论 · 计算机科学 2025-02-17 Simone Fiorellino , Claudio Battiloro , Paolo Di Lorenzo

Finetuning a pretrained model has become a standard approach for training neural networks on novel tasks, resulting in fast convergence and improved performance. In this work, we study an alternative finetuning method, where instead of…

机器学习 · 计算机科学 2023-07-04 Gal Kaplun , Andrey Gurevich , Tal Swisa , Mazor David , Shai Shalev-Shwartz , Eran Malach

Multiple-input multiple-output (MIMO) systems require efficient and accurate channel estimation with low pilot overhead to unlock their full potential for high spectral and energy efficiency. While deep generative models have emerged as a…

信号处理 · 电气工程与系统科学 2026-01-21 Yongqiang Zhang , Qurrat-Ul-Ain Nadeem

Networks on Chip is a recent solution paradigm adopted to increase the performance of Multicore designs. The key idea is to interconnect various computation modules (IP cores) in a network fashion and transport packets simultaneously across…

网络与互联网体系结构 · 计算机科学 2010-02-12 P. Ezhumalai , S. Manojkumar , C. Arun , P. Sakthivel , D. Sridharan

Representation learning of networks has witnessed significant progress in recent times. Such representations have been effectively used for classic network-based machine learning tasks like node classification, link prediction, and network…

社会与信息网络 · 计算机科学 2018-12-07 Arunkumar Bagavathi , Siddharth Krishnan

Numerous applications demand communication schemes that minimize the transmission delay while achieving a given level of reliability. An extreme case is high-frequency trading whereby saving a fraction of millisecond over a route between…

信息论 · 计算机科学 2013-02-25 Ivana Maric

This paper studies the design and secrecy performance of linear multihop networks, in the presence of randomly distributed eavesdroppers in a large-scale two-dimensional space. Depending on whether there is feedback from the receiver to the…

信息论 · 计算机科学 2017-11-07 Jianping Yao , Xiangyun Zhou , Yuan Liu , Suili Feng

Cell-free massive MIMO is emerging as a promising technology for future wireless communication systems, which is expected to offer uniform coverage and high spectral efficiency compared to classical cellular systems. We study in this paper…

信号处理 · 电气工程与系统科学 2023-09-19 Houssem Sifaou , Geoffrey Ye Li

Brain network is a large-scale complex network with scale-free, small-world, and modularity properties, which largely supports this high-efficiency massive system. In this paper, we propose to synthesize brain-network-inspired…

硬件体系结构 · 计算机科学 2021-08-30 Mengke Ge , Xiaobing Ni , Qi Xu , Song Chen , Jinglei Huang , Yi Kang , Feng Wu

Neuromorphic Multiply-And-Accumulate (MAC) circuits utilizing synaptic weight elements based on SRAM or novel Non-Volatile Memories (NVMs) provide a promising approach for highly efficient hardware representations of neural networks. NVM…

新兴技术 · 计算机科学 2018-09-14 Borna Obradovic , Titash Rakshit , Ryan Hatcher , Jorge A. Kittl , Mark S. Rodder

To compensate the loss from outdated channel state information in wideband massive multiple-input multipleoutput (MIMO) systems, channel prediction can be performed by leveraging the temporal correlation of wireless channels. Machine…

信息论 · 计算机科学 2022-08-10 Beomsoo Ko , Hwanjin Kim , Junil Choi