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We propose a method for joint multichannel speech dereverberation with two spatial-aware tasks: direction-of-arrival (DOA) estimation and speech separation. The proposed method addresses involved tasks as a sequence to sequence mapping…

音频与语音处理 · 电气工程与系统科学 2020-10-23 Yang Jiao

Existing Wi-Fi sensing systems rely on injecting high-rate probing packets to extract channel state information (CSI), leading to communication degradation and poor deployability. Although Integrated Sensing and Communication (ISAC) is a…

信号处理 · 电气工程与系统科学 2025-12-30 Gaofeng Dong , Kang Yang , Mani Srivastava

Recent years have witnessed a substantial increase in the use of deep learning to solve various natural language processing (NLP) problems. Early deep learning models were constrained by their sequential or unidirectional nature, such that…

Accurate downlink channel state information (CSI) is vital to achieving high spectrum efficiency in massive MIMO systems. Existing works on the deep learning (DL) model for CSI feedback have shown efficient compression and recovery in…

信息论 · 计算机科学 2022-05-10 Zhenyu Liu , Zhi Ding

Accurate estimation of DL CSI is required to achieve high spectrum and energy efficiency in massive MIMO systems. Previous works have developed learning-based CSI feedback framework within FDD systems for efficient CSI encoding and recovery…

信息论 · 计算机科学 2022-01-11 Yu-Chien Lin , Ta-Sung Lee , Zhi Ding

Due to the discarding of downlink channel state information (CSI) amplitude and the employing of iteration reconstruction algorithms, 1-bit compressed sensing (CS)-based superimposed CSI feedback is challenged by low recovery accuracy and…

信号处理 · 电气工程与系统科学 2022-01-21 Chaojin Qing , Qing Ye , Wenhui Liu , Jiafan Wang

The reciprocity of channel state information (CSI) collected by two devices communicating over a wireless channel has been leveraged to provide security solutions to resource-limited IoT devices. Despite the extensive research that has been…

信号处理 · 电气工程与系统科学 2025-04-14 Nora Basha , Bechir Hamdaoui

Deep learning-based (DL-based) channel state information (CSI) feedback for a Massive multiple-input multiple-output (MIMO) system has proved to be a creative and efficient application. However, the existing systems ignored the wireless…

信号处理 · 电气工程与系统科学 2021-10-13 Haozhen Li , Boyuan Zhang , Xin Liang , Haoran Chang , Xinyu Gu , Lin Zhang

Wireless Energy Transfer (WET) is a promising solution for powering massive Internet of Things deployments. An important question is whether the costly Channel State Information (CSI) acquisition procedure is necessary for optimum…

网络与互联网体系结构 · 计算机科学 2020-12-23 Onel L. A. López , Nurul Huda Mahmood , Hirley Alves , Matti Latva-aho

Channel state information (CSI) feedback is critical for achieving the promised advantages of enhancing spectral and energy efficiencies in massive multiple-input multiple-output (MIMO) wireless communication systems. Deep learning…

信息论 · 计算机科学 2024-03-29 Suhang Fan , Wei Xu , Renjie Xie , Shi Jin , Derrick Wing Kwan Ng , Naofal Al-Dhahir

Deep learning based channel state information (CSI) feedback in frequency division duplex systems has drawn much attention in both academia and industry. In this paper, we focus on integrating the Type-II codebook in the beyond…

信息论 · 计算机科学 2023-06-01 Ke Ma , Yiliang Sang , Yang Ming , Jin Lian , Chang Tian , Zhaocheng Wang

In recent years BERT shows apparent advantages and great potential in natural language processing tasks. However, both training and applying BERT requires intensive time and resources for computing contextual language representations, which…

计算与语言 · 计算机科学 2021-11-05 Tan Huang

Motivated by the issue of inaccurate channel state information (CSI) at the base station (BS), which is commonly due to feedback/processing delays and compression problems, in this paper, we introduce a scalable idea of adopting artificial…

信号处理 · 电气工程与系统科学 2021-04-02 Muhammad Karam Shehzad , Luca Rose , Mohamad Assaad

Since automatic translations can contain errors that require substantial human post-editing, machine translation proofreading is essential for improving quality. This paper proposes a novel hybrid approach for robust proofreading that…

计算与语言 · 计算机科学 2025-06-06 Feijun Liu , Huifeng Wang , Kun Wang , Yizhen Wang

BERT, which stands for Bidirectional Encoder Representations from Transformers, is a recently introduced language representation model based upon the transfer learning paradigm. We extend its fine-tuning procedure to address one of its…

计算与语言 · 计算机科学 2019-10-25 Raghavendra Pappagari , Piotr Żelasko , Jesús Villalba , Yishay Carmiel , Najim Dehak

Distributed optical fiber acoustic sensing (DAS) is a rapidly-developed seismic acquisition technology with advantages of low cost, high resolution, high sensitivity, and small interval, etc. Nonetheless, consecutively missing cases often…

地球物理 · 物理学 2024-04-23 Ming Cheng , Jun Lin , Xintong Dong , Shaoping Lu , Tie Zhong

Mainstream Word Sense Disambiguation (WSD) approaches have employed BERT to extract semantics from both context and definitions of senses to determine the most suitable sense of a target word, achieving notable performance. However, there…

人工智能 · 计算机科学 2025-06-03 Linhan Xia , Mingzhan Yang , Guohui Yuan , Shengnan Tao , Yujing Qiu , Guo Yu , Kai Lei

In frequency-division duplexing (FDD) massive multiple-input multiple-output (MIMO) systems, 1-bit compressed sensing (CS)-based superimposed channel state information (CSI) feedback has shown many advantages, while still faces many…

信息论 · 计算机科学 2022-05-04 Chaojin Qing , Qing Ye , Bin Cai , Wenhui Liu , Jiafan Wang

Machine learning methods have recently achieved high-performance in biomedical text analysis. However, a major bottleneck in the widespread application of these methods is obtaining the required large amounts of annotated training data,…

机器学习 · 计算机科学 2019-12-06 Xing Meng , Craig H. Ganoe , Ryan T. Sieberg , Yvonne Y. Cheung , Saeed Hassanpour

Missing data in time-series analysis poses significant challenges, affecting the reliability of downstream applications. Imputation, the process of estimating missing values, has emerged as a key solution. This paper introduces BRATI, a…

机器学习 · 计算机科学 2025-01-10 Armando Collado-Villaverde , Pablo Muñoz , Maria D. R-Moreno