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相关论文: Channel Estimation for Massive MIMO systems using …

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NVIDIA Tensor Core is a mixed-precision matrix-matrix multiplication and addition computing unit, where the theoretical peak performance is more than 300 TFlop/s on NVIDIA A100 GPU. NVIDIA provides WMMA API for using Tensor Cores in custom…

分布式、并行与集群计算 · 计算机科学 2023-08-30 Hiroyuki Ootomo , Rio Yokota

This paper investigates the robust wideband channel estimation problem in the millimeter-wave (mmWave) massive multiple-input multiple-output (MIMO) systems. In such a scenario, the beam squint effect that the array response vectors vary…

信号处理 · 电气工程与系统科学 2024-09-25 Li Ge , Lin Chen , Xue Jiang , Weifeng Zhu , Qibo Qin , Xingzhao Liu

The impact of the maximally possible batch size (for the better runtime) on performance of graphic processing units (GPU) and tensor processing units (TPU) during training and inference phases is investigated. The numerous runs of the…

We consider channel estimation within pulse-shaping multicarrier multiple-input multiple-output (MIMO) systems transmitting over doubly selective MIMO channels. This setup includes MIMO orthogonal frequency-division multiplexing (MIMO-OFDM)…

信息论 · 计算机科学 2016-08-03 Daniel Eiwen , Georg Tauboeck , Franz Hlawatsch , Hans Georg Feichtinger

In multi-cell massive MIMO systems, channel estimation is deteriorated by pilot contamination and the effects of pilot contamination become more severe due to hardware impairments. In this paper, we propose a joint pilot design and channel…

信号处理 · 电气工程与系统科学 2021-08-11 Byungju Lim , Won Joon Yun , Joongheon Kim , Young-Chai Ko

We propose enhancements to score-based generative modeling techniques for low-latency pilot-based channel estimation in a point-to-point single-carrier multiple-input multiple-output (MIMO) wireless system. Building on recent advances in…

信号处理 · 电气工程与系统科学 2025-09-10 Florian Strasser , Marion Bäro , Wolfgang Utschick

This letter proposes a model for symbol detection in the uplink of IRS-assisted networks in the presence of channel aging. During the first stage, we model the received pilot signal as a tensor, which serves as a basis for both estimating…

信号处理 · 电气工程与系统科学 2026-05-29 Kenneth B. A. Benicio , André L. F. de Almeida , Bruno Sokal , Fazal-E-Asim , Behrooz Makki , Gábor Fodor

A promising new algebraic approach to weighted model counting makes use of tensor networks, following a reduction from weighted model counting to tensor-network contraction. Prior work has focused on analyzing the single-core performance of…

数据结构与算法 · 计算机科学 2021-06-16 Jeffrey M. Dudek , Moshe Y. Vardi

This paper proposes novel pilot optimization and channel estimation algorithm for the downlink multiuser massive multiple input multiple output (MIMO) system with $K$ decentralized single antenna mobile stations (MSs), and time division…

应用统计 · 统计学 2014-02-07 Tadilo Endeshaw Bogale , Long Bao Le

With the growing significance of graphs as an effective representation of data in numerous applications, efficient graph analysis using modern machine learning is receiving a growing level of attention. Deep learning approaches often…

Matrix multiplication is a fundamental operation in both training of neural networks and inference. To accelerate matrix multiplication, Graphical Processing Units (GPUs) provide it implemented in hardware. Due to the increased throughput…

数学软件 · 计算机科学 2026-04-07 Faizan A. Khattak , Mantas Mikaitis

In this paper, the pilot signal design for massive MIMO systems to maximize the training-based received signal-to-noise ratio (SNR) is considered under two channel models: block Gauss-Markov and block independent and identically distributed…

信息论 · 计算机科学 2015-06-22 Jungho So , Donggun Kim , Yuni Lee , Youngchul Sung

Graphics Processing Units (GPUs) support dynamic voltage and frequency scaling (DVFS) in order to balance computational performance and energy consumption. However, there still lacks simple and accurate performance estimation of a given GPU…

性能 · 计算机科学 2018-06-14 Qiang Wang , Xiaowen Chu

Cognitive radios have been proposed as agile technologies to boost the spectrum utilization. This paper tackles the problem of channel estimation and its impact on downlink transmissions in an underlay cognitive radio scenario. We consider…

信息论 · 计算机科学 2015-05-11 Maha Alodeh , Symeon Chatzinotas , Bjorn Ottersten

Massive MIMO is one of the main features of 5G mobile radio systems. However, it often leads to high cost, size and power consumption. To overcome these issues, the use of constrained radio frequency (RF) frontends has been proposed, as…

信号处理 · 电气工程与系统科学 2021-11-16 Brenda Vilas Boas , Wolfgang Zirwas , Martin Haardt

Benefitting from the vast spatial degrees of freedom, the amalgamation of integrated sensing and communication (ISAC) and massive multiple-input multiple-output (MIMO) is expected to simultaneously improve spectral and energy efficiencies…

信息论 · 计算机科学 2024-01-18 Ruoyu Zhang , Lei Cheng , Shuai Wang , Yi Lou , Yulong Gao , Wen Wu , Derrick Wing Kwan Ng

Finite element simulations play a critical role in a wide range of applications, from automotive design to tsunami modeling and computational electromagnetics. Performing these simulations efficiently at the high resolutions needed for…

分布式、并行与集群计算 · 计算机科学 2026-04-13 Jiqun Tu , Ian Karlin , John Camier , Veselin Dobrev , Tzanio Kolev , Stefan Henneking , Omar Ghattas

Millimeter wave (mmWave) multiple-input-multi-output (MIMO) is now a reality with great potential for further improvement. We study full-duplex transmissions as an effective way to improve mmWave MIMO systems. Compared to half-duplex…

信息论 · 计算机科学 2025-01-31 Mehdi Sattari , Hao Guo , Deniz Gündüz , Ashkan Panahi , Tommy Svensson

Despite foreseeing tremendous speedups over conventional deep neural networks, the performance advantage of binarized neural networks (BNNs) has merely been showcased on general-purpose processors such as CPUs and GPUs. In fact, due to…

分布式、并行与集群计算 · 计算机科学 2020-12-16 Ang Li , Simon Su

THz band enabled large scale massive MIMO (M-MIMO) is considered as a key enabler for the 6G technology, given its enormous bandwidth and for its low latency connectivity. In the large-scale M-MIMO configuration, enlarged array aperture and…

信息论 · 计算机科学 2024-09-26 Pulok Tarafder , Imtiaz Ahmed , Danda B. Rawat , Ramesh Annavajjala , Kumar Vijay Mishra