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相关论文: Signal Recovery Performance Analysis in Wireless S…

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Accurate localized wireless channel modeling is a cornerstone of cellular network optimization, enabling reliable prediction of network performance during parameter tuning. Localized statistical channel modeling (LSCM) is the…

机器学习 · 计算机科学 2025-09-18 Bingsheng Peng , Shutao Zhang , Xi Zheng , Ye Xue , Xinyu Qin , Tsung-Hui Chang

We consider the image transmission problem over a noisy wireless channel via deep learning-based joint source-channel coding (DeepJSCC) along with a denoising diffusion probabilistic model (DDPM) at the receiver. Specifically, we are…

图像与视频处理 · 电气工程与系统科学 2024-09-23 Selim F. Yilmaz , Xueyan Niu , Bo Bai , Wei Han , Lei Deng , Deniz Gunduz

Joint network-channel codes (JNCC) can improve the performance of communication in wireless networks, by combining, at the physical layer, the channel codes and the network code as an overall error-correcting code. JNCC is increasingly…

信息论 · 计算机科学 2012-02-15 Dieter Duyck , Michael Heindlmaier , Daniele Capirone , Marc Moeneclaey

To address the challenges of wireless video transmission over multipath fading channels, we propose a robust deep joint source-channel coding (DeepJSCC) framework by effectively exploiting temporal redundancy and incorporating robust…

图像与视频处理 · 电气工程与系统科学 2026-01-21 Bohuai Xiao , Jian Zou , Fanyang Meng , Wei Liu , Yongsheng Liang

Linear receivers are considered as an attractive low-complexity alternative to optimal processing for multi-antenna MIMO communications. In this paper we characterize the performance of MMSE MIMO receivers in the limit of large antenna…

信息论 · 计算机科学 2016-11-17 Aris L. Moustakas , K Raj Kumar , Giuseppe Caire

The nodes in wireless sensor networks (WSNs) contain limited energy resources, which are needed to transmit data to base station (BS). Routing protocols are designed to reduce the energy consumption. Clustering algorithms are best in this…

网络与互联网体系结构 · 计算机科学 2016-11-15 A. Rao , M. Akbar , N. Javaid , S. N. Mohammad , S. Sarfraz

This paper presents a unified modeling, estimation, and feedback framework for reconfigurable intelligent surface RIS-assisted optical wireless links. The key modeling element is a long-exposure pixel gain that extends the classical…

信号处理 · 电气工程与系统科学 2025-10-30 Muhammad Khalil , Ke Wang , Jinho Choi

Advances in Wireless Sensor Network Technology (WSN) have provided the availability of small and low-cost sensor with capability of sensing various types of physical and environmental conditions, data processing and wireless communication.…

网络与互联网体系结构 · 计算机科学 2013-06-04 S. Ganesh , R. Amutha

In this paper, a comprehensive performance analysis of a distributed intelligent reflective surfaces (IRSs)-aided communication system is presented. First, the optimal signal-to-noise ratio (SNR), which is attainable through the direct and…

We introduce the spiked mixture model (SMM) to address the problem of estimating a set of signals from many randomly scaled and noisy observations. Subsequently, we design a novel expectation-maximization (EM) algorithm to recover all…

This paper considers a multi-user semantic and data communication (MU-SemDaCom) system, where a base station (BS) simultaneously serves users with different semantic and data tasks through a downlink multi-user multiple-input single-output…

图像与视频处理 · 电气工程与系统科学 2025-09-30 Kai Yuan , Dongxu Li , Jianhao Huang , Han Zhang , Chuan Huang

Deep learning (DL)-based joint source-channel coding (JSCC) methods have achieved remarkable success in wireless image transmission. However, these methods either focus on conventional distortion metrics that do not necessarily yield high…

图像与视频处理 · 电气工程与系统科学 2026-02-27 Ming Ye , Kui Cai , Cunhua Pan , Zhen Mei , Wanting Yang , Chunguo Li

We propose novel deep joint source-channel coding (DeepJSCC) algorithms for wireless image transmission over multi-input multi-output (MIMO) Rayleigh fading channels, when channel state information (CSI) is available only at the receiver.…

信号处理 · 电气工程与系统科学 2023-06-22 Chenghong Bian , Yulin Shao , Haotian Wu , Deniz Gunduz

Modern Earth Observation (EO) systems increasingly rely on high-resolution imagery to support critical applications such as environmental monitoring, disaster response, and land-use analysis. Although these applications benefit from…

One-bit compressive sensing (CS) is an advanced version of sparse recovery in which the sparse signal of interest can be recovered from extremely quantized measurements. Namely, only the sign of each measurement is available to us. In many…

信息论 · 计算机科学 2019-10-22 Hossein Beheshti , Sajad Daei , Farzan Haddadi

Joint communication and sensing (JCS) has become a promising technology for mobile networks because of its higher spectrum and energy efficiency. Up to now, the prevalent fast Fourier transform (FFT)-based sensing method for mobile JCS…

信息论 · 计算机科学 2022-11-09 Xu Chen , Zhiyong Feng , Zhiqing Wei , Xin Yuan , Ping Zhang , J. Andrew Zhang , Heng Yang

Compressive sensing (CS) is a technique for estimating a sparse signal from the random measurements and the measurement matrix. Traditional sparse signal recovery methods have seriously degeneration with the measurement matrix uncertainty…

信息论 · 计算机科学 2011-06-21 Yipeng Liu , Qun Wan , Fei Wen , Jia Xu , Yingning Peng

This paper adapts a Multiple-Model Coding (MMC) approach for sampled electrical signal waveforms to satisfy reconstructed signal quality constraints. The baseline MMC approach consists of two stages processing vectors of Voltage and Current…

信号处理 · 电气工程与系统科学 2025-11-14 Corentin Presvôts , Michel Kieffer , Thibault Prevost

In asynchronous physical-layer network coding (APNC) systems, the symbols from multiple transmitters to a common receiver may be misaligned. The knowledge of the amount of symbol misalignment, hence its estimation, is important to PNC…

信息论 · 计算机科学 2017-01-24 Yulin Shao , Soung Chang Liew , Lu Lu

Data loss in wireless sensor networks (WSNs) is quite prevalent. Since sensor nodes are employed for various critical applications, accurate recovery of missing data is important. Researchers have exploited different characteristics of WSN…

信号处理 · 电气工程与系统科学 2018-11-30 Neha Jain , Anubha Gupta , Vivek Ashok Bohara