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相关论文: Deep Transfer Learning Based Downlink Channel Pred…

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Machine learning promises to accelerate the material discovery by enabling high-throughput prediction of desirable macro-properties from atomic-level descriptors or structures. However, the limited data available about precise values of…

机器学习 · 计算机科学 2024-11-28 L. Klochko , M. d'Aquin , A. Togo , L. Chaput

Deep learning (DL) has introduced a new paradigm in multiple-input multiple-output (MIMO) detection, balancing performance and complexity. However, the practical deployment of DL-based detectors is hindered by poor generalization,…

信号处理 · 电气工程与系统科学 2025-03-24 Jinya Zhang , Jiajia Guo , Xiangyi Li , Chao-Kai Wen , Xin Geng , Shi Jin

The flexible duplex (FD) technique, including dynamic time-division duplex (D-TDD) and dynamic frequency-division duplex (D-FDD), is regarded as a promising solution to achieving a more flexible uplink/downlink transmission in 5G-Advanced…

人工智能 · 计算机科学 2023-04-26 Jing-Sheng Tan , Shaoshi Yang , Kuo Meng , Jianhua Zhang , Yurong Tang , Yan Bu , Guizhen Wang

Distance metric learning (DML) aims to find an appropriate way to reveal the underlying data relationship. It is critical in many machine learning, pattern recognition and data mining algorithms, and usually require large amount of label…

机器学习 · 统计学 2018-11-13 Yong Luo , Yonggang Wen , Ling-Yu Duan , Dacheng Tao

Multitask learning (MTL) has become prominent for its ability to predict multiple tasks jointly, achieving better per-task performance with fewer parameters than single-task learning. Recently, decoder-focused architectures have…

计算机视觉与模式识别 · 计算机科学 2024-11-07 Dimitrios Sinodinos , Narges Armanfard

Reliability is of paramount importance for the physical layer of wireless systems due to its decisive impact on end-to-end performance. However, the uncertainty of prevailing deep learning (DL)-based physical layer algorithms is hard to…

信号处理 · 电气工程与系统科学 2023-02-07 Wentao Yu , Hengtao He , Xianghao Yu , Shenghui Song , Jun Zhang , Khaled B. Letaief

Channel state information (CSI) feedback is necessary for the frequency division duplexing (FDD) multiple input multiple output (MIMO) systems due to the channel non-reciprocity. With the help of deep learning, many works have succeeded in…

信息论 · 计算机科学 2023-02-07 Zhilin Lu , Xudong Zhang , Rui Zeng , Jintao Wang

Acquiring downlink channel state information (CSI) at the base station is vital for optimizing performance in massive Multiple input multiple output (MIMO) Frequency-Division Duplexing (FDD) systems. While deep learning architectures have…

信号处理 · 电气工程与系统科学 2024-03-14 Yu-Chien Lin , Yan Xin , Ta-Sung Lee , Charlie , Zhang , Zhi Ding

Spatio-temporal prediction is a key type of tasks in urban computing, e.g., traffic flow and air quality. Adequate data is usually a prerequisite, especially when deep learning is adopted. However, the development levels of different cities…

人工智能 · 计算机科学 2018-05-22 Leye Wang , Xu Geng , Xiaojuan Ma , Feng Liu , Qiang Yang

In frequency division duplex (FDD) massive MIMO systems, reliable downlink channel estimation is essential for the subsequent data transmission but is realized at the cost of massive pilot overhead due to hundreds of antennas at base…

信号处理 · 电气工程与系统科学 2022-11-01 An Chen , Wenbo Xu , Liyang Lu , Yue Wang

There is an increasing number of pre-trained deep neural network models. However, it is still unclear how to effectively use these models for a new task. Transfer learning, which aims to transfer knowledge from source tasks to a target…

计算机视觉与模式识别 · 计算机科学 2019-12-10 Yunhui Guo , Yandong Li , Liqiang Wang , Tajana Rosing

Spectrum prediction is considered to be a promising technology that enhances spectrum efficiency by assisting dynamic spectrum access (DSA) in cognitive radio networks (CRN). Nonetheless, the highly nonlinear nature of spectrum data across…

信号处理 · 电气工程与系统科学 2024-12-16 Guangliang Pan , David K. Y. Yau , Bo Zhou , Qihui Wu

Accurate and timely channel state information (CSI) is fundamental for efficient link adaptation. However, challenges such as channel aging, user mobility, and feedback delays significantly impact the performance of adaptive modulation and…

Smart and agile drones are fast becoming ubiquitous at the edge of the cloud. The usage of these drones are constrained by their limited power and compute capability. In this paper, we present a Transfer Learning (TL) based approach to…

机器学习 · 计算机科学 2019-10-15 Aqeel Anwar , Arijit Raychowdhury

Massive multiple-input multiple-output (MIMO) has been a critical enabling technology in 5th generation (5G) wireless networks. With the advent of 6G, a natural evolution is to employ even more antennas, potentially an order of magnitude…

信号处理 · 电气工程与系统科学 2024-08-13 Wentao Yu , Yifan Ma , Hengtao He , Shenghui Song , Jun Zhang , Khaled B. Letaief

Automated ranking of pre-trained Deep Neural Networks (DNNs) reduces the required time for selecting optimal pre-trained DNN and boost the classification performance in transfer learning. In this paper, we introduce a novel algorithm to…

机器学习 · 计算机科学 2020-12-29 Mostafa Kalhor , Ahmad Kalhor , Mehdi Rahmani

This paper considers a cell-free massive multiple-input multiple-output (MIMO) system that consists of a large number of geographically distributed access points (APs) serving multiple users via coherent joint transmission. The downlink…

信号处理 · 电气工程与系统科学 2022-09-15 Mahmoud Zaher , Özlem Tuğfe Demir , Emil Björnson , Marina Petrova

This paper addresses the challenges of mobile user requirements in shadowing and multi-fading environments, focusing on the Downlink (DL) radio node selection based on Uplink (UL) channel estimation. One of the key issues tackled in this…

网络与互联网体系结构 · 计算机科学 2024-12-02 Mervat Zarour , Qiuheng Zhou , Sergiy Melnyk , Hans D. Schotten

Achieving reliable multidimensional Vehicle-to-Vehicle (V2V) channel state information (CSI) prediction is both challenging and crucial for optimizing downstream tasks that depend on instantaneous CSI. This work extends traditional…

系统与控制 · 电气工程与系统科学 2024-09-24 Lei Chu , Daoud Burghal , Rui Wang , Michael Neuman , Andreas F. Molisch

Effective water resource management requires information on water availability, both in terms of quality and quantity, spatially and temporally. In this paper, we study the methodology behind Transfer Learning (TL) through fine-tuning and…

机器学习 · 计算机科学 2021-12-07 Roland Oruche , Lisa Egede , Tracy Baker , Fearghal O'Donncha
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