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To reap the promising benefits of massive multiple-input multiple-output (MIMO) systems, accurate channel state information (CSI) is required through channel estimation. However, due to the complicated wireless propagation environment and…

信号处理 · 电气工程与系统科学 2024-11-04 Binggui Zhou , Xi Yang , Shaodan Ma , Feifei Gao , Guanghua Yang

To reduce multiuser interference and maximize the spectrum efficiency in orthogonal frequency division duplexing massive multiple-input multiple-output (MIMO) systems, the downlink channel state information (CSI) estimated at the user…

信号处理 · 电气工程与系统科学 2023-07-19 Wei Chen , Weixiao Wan , Shiyue Wang , Peng Sun , Geoffrey Ye Li , Bo Ai

6G networks are envisioned to support on-demand AI model downloading to accommodate diverse inference requirements of end users. By proactively caching models at edge nodes, users can retrieve the requested models with low latency for…

网络与互联网体系结构 · 计算机科学 2025-10-07 Yang Fu , Peng Qin , Yueyue Zhang , Pao Cheng , Jun Lu , Yifei Wang

Mobile ad hoc networks (MANETs) are self-configuring wireless networks that lack permanent infrastructure and are formed among mobile nodes on demand. Rapid node mobility results in dramatic channel variation, or fading, that degrades MANET…

网络与互联网体系结构 · 计算机科学 2012-04-27 Neil Mehta , Alexandra Duel-Hallen , Wenye Wang

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

Channel estimation is one of the key issues in practical massive multiple-input multiple-output (MIMO) systems. Compared with conventional estimation algorithms, deep learning (DL) based ones have exhibited great potential in terms of…

信息论 · 计算机科学 2021-08-24 Jiabao Gao , Mu Hu , Caijun Zhong , Geoffrey Ye Li , Zhaoyang Zhang

Pretraining CNN models (i.e., UNet) through self-supervision has become a powerful approach to facilitate medical image segmentation under low annotation regimes. Recent contrastive learning methods encourage similar global representations…

计算机视觉与模式识别 · 计算机科学 2023-10-20 Zhangsihao Yang , Mengwei Ren , Kaize Ding , Guido Gerig , Yalin Wang

Auditory attention detection (AAD) aims to detect the target speaker in a multi-talker environment from brain signals, such as electroencephalography (EEG), which has made great progress. However, most AAD methods solely utilize attention…

人机交互 · 计算机科学 2025-05-22 Lu Li , Cunhang Fan , Hongyu Zhang , Jingjing Zhang , Xiaoke Yang , Jian Zhou , Zhao Lv

Citrinet is an end-to-end convolutional Connectionist Temporal Classification (CTC) based automatic speech recognition (ASR) model. To capture local and global contextual information, 1D time-channel separable convolutions combined with…

计算与语言 · 计算机科学 2022-09-02 Xianchao Wu

The latest TypeII codebook selects partial strongest angular-delay ports for the feedback of downlink channel state information (CSI), whereas its performance is limited due to the deficiency of utilizing the correlations among the port…

信号处理 · 电气工程与系统科学 2024-05-22 Yiliang Sang , Ke Ma , Yang Ming , Jin Lian , Zhaocheng Wang

Air pollution monitoring in resource-constrained regions remains challenging due to sparse sensor deployment and limited infrastructure. This work introduces AQFusionNet, a multimodal deep learning framework for robust Air Quality Index…

计算机视觉与模式识别 · 计算机科学 2025-09-03 Koushik Ahmed Kushal , Abdullah Al Mamun

The channel state information (CSI) needs to be fed back from the user equipment (UE) to the base station (BS) in frequency division duplexing (FDD) multiple-input multiple-output (MIMO) system. Recently, neural networks are widely applied…

信息论 · 计算机科学 2022-11-01 Zhilin Lu , Xudong Zhang , Rui Zeng , Jintao Wang

Recent advances in multi-instance learning (MIL) have witnessed impressive performance in whole slide image (WSI) analysis. However, the inherent sparsity of tumors and their morphological diversity lead to obvious heterogeneity across…

图像与视频处理 · 电气工程与系统科学 2026-02-25 Tingting Zheng , Hongxun Yao , Kui Jiang , Sicheng Zhao , Yi Xiao

It is a challenge to segment the location and size of rectal cancer tumours through deep learning. In this paper, in order to improve the ability of extracting suffi-cient feature information in rectal tumour segmentation, attention…

图像与视频处理 · 电气工程与系统科学 2022-10-28 Hongwei Wu , Junlin Wang , Xin Wang , Hui Nan , Yaxin Wang , Haonan Jing , Kaixuan Shi

Massive multiple-input multiple-output (MIMO) system is promising in providing unprecedentedly high data rate. To achieve its full potential, the transceiver needs complete channel state information (CSI) to perform transmit/receive…

信息论 · 计算机科学 2022-02-08 Yu Zhang , Ahmed Alkhateeb , Pranav Madadi , Jeongho Jeon , Joonyoung Cho , Charlie Zhang

In the 6G era, semantic collaboration among multiple embodied intelligent devices (MEIDs) becomes crucial for complex task execution. However, existing systems face challenges in multimodal information fusion, adaptive communication, and…

人工智能 · 计算机科学 2025-11-26 Mingkai Chen , Zijie Feng , Lei Wang , Yaser Khamayseh

Variational Autoencoders (VAEs), as a form of deep generative model, have been widely used in recent years, and shown great great peformance in a number of different domains, including image generation and anomaly detection, etc.. This…

机器学习 · 计算机科学 2024-08-28 Liang Cheng , Peiyuan Guan , Amir Taherkordi , Lei Liu , Dapeng Lan

Fusion-based place recognition is an emerging technique jointly utilizing multi-modal perception data, to recognize previously visited places in GPS-denied scenarios for robots and autonomous vehicles. Recent fusion-based place recognition…

计算机视觉与模式识别 · 计算机科学 2024-02-28 Jingyi Xu , Junyi Ma , Qi Wu , Zijie Zhou , Yue Wang , Xieyuanli Chen , Ling Pei

Deep learning has become a powerful tool for medical image analysis; however, conventional Convolutional Neural Networks (CNNs) often fail to capture the fine-grained and complex features critical for accurate diagnosis. To address this…

计算机视觉与模式识别 · 计算机科学 2025-09-09 Zahid Ullah , Minki Hong , Tahir Mahmood , Jihie Kim

WiFi-enabled Internet-of-Things (IoT) devices are evolving from mere communication devices to sensing instruments, leveraging Channel State Information (CSI) extraction capabilities. Nevertheless, resource-constrained IoT devices and the…

信息论 · 计算机科学 2024-09-10 Borna Barahimi , Hakam Singh , Hina Tabassum , Omer Waqar , Mohammad Omer