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In this letter, we characterize the performance of broadcast approach with continuum of transmission layers in random wireless networks where the channel state information (CSI) is assumed to be known only at the receiver. By modeling the…

信息论 · 计算机科学 2019-04-09 Praful D. Mankar , Harpreet S. Dhillon

Tremendous amounts of multimedia associated with speech information are driving an urgent need to develop efficient and effective automatic summarization methods. To this end, we have seen rapid progress in applying supervised deep neural…

计算与语言 · 计算机科学 2020-06-03 Shi-Yan Weng , Tien-Hong Lo , Berlin Chen

The potentials of massive multiple-input multiple-output (MIMO) are all based on the available instantaneous channel state information (CSI) at the base station (BS). Therefore, the user in frequency-division duplexing (FDD) systems has to…

信息论 · 计算机科学 2024-10-30 Jiajia Guo , Chao-Kai Wen , Shi Jin

Given the rapid advancements in wireless communication and terminal devices, high-speed and convenient WiFi has permeated various aspects of people's lives, and attention has been drawn to the location services that WiFi can provide.…

信号处理 · 电气工程与系统科学 2023-07-03 Jiyu Jiao , Xiaojun Wang , Chenlin He

Radio-frequency (RF) enabled wireless energy transfer (WET), as a promising solution to provide cost-effective and reliable power supplies for energy-constrained wireless networks, has drawn growing interests recently. To overcome the…

信息论 · 计算机科学 2014-12-19 Yong Zeng , Rui Zhang

Massive MIMO systems rely on accurate Channel State Information (CSI) feedback to enable high-gain beam-forming. However, the feedback overhead scales linearly with the number of antennas, presenting a major bottleneck. While recent deep…

系统与控制 · 电气工程与系统科学 2025-12-17 Maryam Ansarifard , Mostafa Rahmani , Mohit K. Sharma , Kishor C. Joshi , George Exarchakos , Alister Burr

In order to fully exploit the advantages of massive multiple-input multiple-output (mMIMO), it is critical for the transmitter to accurately acquire the channel state information (CSI). Deep learning (DL)-based methods have been proposed…

信息论 · 计算机科学 2022-04-26 Ziqing Yin , Wei Xu , Renjie Xie , Shaoqing Zhang , Derrick Wing Kwan Ng , Xiaohu You

Accurate and efficient estimation of Channel State Information (CSI) is critical for next-generation wireless systems operating under non-stationary conditions, where user mobility, Doppler spread, and multipath dynamics rapidly alter…

分布式、并行与集群计算 · 计算机科学 2025-11-04 Muhammad Ahmed Mohsin , Muhammad Umer , Ahsan Bilal , Hassan Rizwan , Sagnik Bhattacharya , Muhammad Ali Jamshed , John M. Cioffi

Channel state information (CSI) is of vital importance in wireless communication systems. Existing CSI acquisition methods usually rely on pilot transmissions, and geographically separated base stations (BSs) with non-correlated CSI need to…

信息论 · 计算机科学 2018-12-05 Zhiyuan Jiang , Ziyan He , Sheng Chen , Andreas F. Molisch , Sheng Zhou , Zhisheng Niu

Deep learning associated with neurological signals is poised to drive major advancements in diverse fields such as medical diagnostics, neurorehabilitation, and brain-computer interfaces. The challenge in harnessing the full potential of…

信号处理 · 电气工程与系统科学 2024-07-08 Di Wu , Siyuan Li , Jie Yang , Mohamad Sawan

Transformer-based pre-trained language models such as BERT have achieved remarkable results in Semantic Sentence Matching. However, existing models still suffer from insufficient ability to capture subtle differences. Minor noise like word…

计算与语言 · 计算机科学 2023-04-17 Sirui Wang , Di Liang , Jian Song , Yuntao Li , Wei Wu

In this work, we present a simple but effective method, CTCBERT, for advancing hidden-unit BERT (HuBERT). HuBERT applies a frame-level cross-entropy (CE) loss, which is similar to most acoustic model training. However, CTCBERT performs the…

音频与语音处理 · 电气工程与系统科学 2023-05-02 Ruchao Fan , Yiming Wang , Yashesh Gaur , Jinyu Li

Introducing CSI-Inpainter, a pioneering approach for occlusion removal using Channel State Information (CSI) time sequences, this work propels the application of wireless signal processing into the realm of visual scene recovery. Departing…

图像与视频处理 · 电气工程与系统科学 2024-03-04 Cheng Chen , Shoki Ohta , Takayuki Nishio , Mehdi Bennis , Jihong Park , Mohamed Wahib

Fine-tuned Bidirectional Encoder Representations from Transformers (BERT)-based sequence classification models have proven to be effective for detecting Alzheimer's Disease (AD) from transcripts of human speech. However, previous research…

计算与语言 · 计算机科学 2020-11-13 Aparna Balagopalan , Jekaterina Novikova

In massive multiple-input multiple-output (MIMO) systems, how to reliably acquire downlink channel state information (CSI) with low overhead is challenging. In this work, by integrating the generative pre-trained Transformer (GPT) with…

信息论 · 计算机科学 2024-11-11 Ye Zeng , Li Qiao , Zhen Gao , Tong Qin , Zhonghuai Wu , Emad Khalaf , Sheng Chen , Mohsen Guizani

Even as pre-trained language models share a semantic encoder, natural language understanding suffers from a diversity of output schemas. In this paper, we propose UBERT, a unified bidirectional language understanding model based on BERT…

计算与语言 · 计算机科学 2022-08-16 Junyu Lu , Ping Yang , Ruyi Gan , Jing Yang , Jiaxing Zhang

Using commodity WiFi data for applications such as indoor localization, object identification and tracking and channel sounding has recently gained considerable attention. We study the problem of channel impulse response (CIR) estimation…

Supervised deep learning requires large amounts of training data. In the context of the FIRE2019 Arabic irony detection shared task (IDAT@FIRE2019), we show how we mitigate this need by fine-tuning the pre-trained bidirectional encoders…

计算与语言 · 计算机科学 2019-11-01 Chiyu Zhang , Muhammad Abdul-Mageed

Accurate channel state information (CSI) acquisition is essential for modern wireless systems, which becomes increasingly difficult under large antenna arrays, strict pilot overhead constraints, and diverse deployment environments. Existing…

信息论 · 计算机科学 2026-03-17 Xingyu Zhou , Le Liang , Hao Ye , Jing Zhang , Chao-Kai Wen , Shi Jin

The promise of compressive sensing (CS) has been offset by two significant challenges. First, real-world data is not exactly sparse in a fixed basis. Second, current high-performance recovery algorithms are slow to converge, which limits CS…

机器学习 · 统计学 2017-01-17 Ali Mousavi , Richard G. Baraniuk