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

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This paper presents a deep learning-aided iterative detection algorithm for massive overloaded multiple-input multiple-output (MIMO) systems where the number of transmit antennas $n$ is larger than that of receive antennas $m$. Since the…

信息论 · 计算机科学 2019-07-10 Satoshi Takabe , Masayuki Imanishi , Tadashi Wadayama , Ryo Hayakawa , Kazunori Hayashi

In this paper, we investigate the performance of cell-free massive MIMO systems with massive connectivity. With the generalized approximate message passing (GAMP) algorithm, we obtain the minimum mean-squared error (MMSE) estimate of the…

信息论 · 计算机科学 2021-05-17 Mangqing Guo , M. Cenk Gursoy

This paper presents a benchmarking methodology for evaluating end-to-end performance of deterministic signal-processing pipelines expressed using CNN-compatible primitives. The benchmark targets phased-array workloads such as ultrasound…

性能 · 计算机科学 2026-02-09 Christiaan Boerkamp , Akhil John Thomas

This paper is concerned with channel estimation in MIMO systems with few-bit ADCs. In these systems, a linear minimum mean-squared error (MMSE) channel estimator obtained in closed-form is not an optimal solution. We first consider a deep…

信号处理 · 电气工程与系统科学 2023-07-19 Duy H. N. Nguyen

Massive Multiple-Input Multiple-Out (MIMO) detection is an important problem in modern wireless communication systems. While traditional Belief Propagation (BP) detectors perform poorly on loopy graphs, the recent Graph Neural Networks…

信息论 · 计算机科学 2022-06-15 Hongyi Li , Junxiang Wang , Yongchao Wang

By employing the lens antenna array, beamspace MIMO can utilize beam selection to reduce the number of required RF chains in mmWave massive MIMO systems without obvious performance loss. However, to achieve the capacityapproaching…

信息论 · 计算机科学 2016-07-19 Linglong Dai , Xinyu Gao , Shuangfeng Han , Chih-Lin I , Xiaodong Wang

Most research in quantum computing today is performed against simulations of quantum computers rather than true quantum computers. Simulating a quantum computer entails implementing all of the unitary operators corresponding to the quantum…

量子物理 · 物理学 2021-08-17 Maksim Levental

This paper considers channel estimation and system performance for the uplink of a single-cell massive multiple-input multiple-output (MIMO) system. Each receive antenna of the base station (BS) is assumed to be equipped with a pair of…

信息论 · 计算机科学 2017-08-02 Yongzhi Li , Cheng Tao , Gonzalo Seco-Granados , Amine Mezghani , A. Lee Swindlehurst , Liu Liu

Solving the shallow water equations efficiently is critical to the study of natural hazards induced by tsunami and storm surge, since it provides more response time in an early warning system and allows more runs to be done for…

计算物理 · 物理学 2019-01-23 Xinsheng Qin , Randall LeVeque , Michael Motley

Efficient channel estimation is challenging in full-dimensional multiple-input multiple-output communication systems, particularly in those with hybrid digital-analog architectures. Under a compressive sensing framework, this letter first…

信息论 · 计算机科学 2021-12-30 Hongqing Huang , Peiran Wu , Minghua Xia

Large scale multiple-input multiple-output (MIMO) or Massive MIMO is one of the pivotal technologies for future wireless networks. However, the performance of massive MIMO systems heavily relies on accurate channel estimation. While the…

信号处理 · 电气工程与系统科学 2020-02-25 Parna Sabeti , Arman Farhang , Irene Macaluso , Nicola Marchetti , Linda Doyle

Deep neural networks (NNs) are considered a powerful tool for balancing the performance and complexity of multiple-input multiple-output (MIMO) receivers due to their accurate feature extraction, high parallelism, and excellent inference…

信息论 · 计算机科学 2024-10-28 Xingyu Zhou , Jing Zhang , Chao-Kai Wen , Shi Jin , Shuangfeng Han

We develop a broadband channel estimation algorithm for millimeter wave (mmWave) multiple input multiple output (MIMO) systems with few-bit analog-to-digital converters (ADCs). Our methodology exploits the joint sparsity of the mmWave MIMO…

信息论 · 计算机科学 2017-12-07 Jianhua Mo , Philip Schniter , Robert W. Heath

Recent studies from several hyperscalars pinpoint to embedding layers as the most memory-intensive deep learning (DL) algorithm being deployed in today's datacenters. This paper addresses the memory capacity and bandwidth challenges of…

机器学习 · 计算机科学 2019-08-27 Youngeun Kwon , Yunjae Lee , Minsoo Rhu

The rapid expansion of GPU-accelerated computing has enabled major advances in large-scale artificial intelligence (AI), while heightening concerns about how accelerators are observed or governed once deployed. Governance is essential to…

密码学与安全 · 计算机科学 2026-02-13 Saleh K. Monfared , Fatemeh Ganji , Dan Holcomb , Shahin Tajik

Channel estimation is challenging for hybrid millimeter wave (mmWave) large-scale antenna arrays which are promising in 5G/B5G applications. The challenges are associated with angular resolution losses resulting from hybrid front-ends, beam…

信号处理 · 电气工程与系统科学 2020-09-11 Zhipeng Lin , Tiejun Lv , Wei Ni , J. Andrew Zhang , Ren Ping Liu

On-device inference of machine learning models for mobile phones is desirable due to its lower latency and increased privacy. Running such a compute-intensive task solely on the mobile CPU, however, can be difficult due to limited computing…

Collocating deep learning training tasks improves GPU utilization but risks resource contention, severe slowdowns, and out-of-memory (OOM) failures. Accurate memory estimation is essential for robust collocation, and GPU utilization…

分布式、并行与集群计算 · 计算机科学 2026-04-29 Ehsan Yousefzadeh-Asl-Miandoab , Reza Karimzadeh , Danyal Yorulmaz , Bulat Ibragimov , Pınar Tözün

The assignment of the pilot sequence is a critical challenge in massive MIMO systems, as sharing the same pilot sequence among multiple users causes interference, which degrades the accuracy of the channel estimation. This problem,…

分布式、并行与集群计算 · 计算机科学 2026-02-04 Eman Alqudah , Ashfaq Khokhar

Vehicular wireless channels are highly time-varying and the pilot pattern in the 802.11p orthogonal frequency-division multiplexing frame has been shown to be ill suited for long data packets. The high frame error rate in off-the-shelf…

信息论 · 计算机科学 2016-11-18 Keerthi Kumar Nagalapur , Fredrik Brännström , Erik G. Ström
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