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相关论文: An Efficient Wireless Channel Estimation Model for…

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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

An evolution of Wireless Communications towards 5G and beyond provides improved user experience in terms of quality of services. Understanding and estimating Channel information plays crucial role in providing better user experience.…

信号处理 · 电气工程与系统科学 2026-05-05 A. Sathi Babu , V. Udaya Sankar , Vishnu Ram OV

Due to the implementation bottleneck of training data collection in realistic wireless communications systems, supervised learning-based timing synchronization (TS) is challenged by the incompleteness of training data. To tackle this…

信号处理 · 电气工程与系统科学 2023-07-03 Mintao Zhang , Shuhai Tang , Chaojin Qing , Na Yang , Xi Cai , Jiafan Wang

Channel estimation is a fundamental task in communication systems and is critical for effective demodulation. While most works deal with a simple scenario where the measurements are corrupted by the additive white Gaussian noise (AWGN),…

信号处理 · 电气工程与系统科学 2024-12-10 Yifan Wang , Chengjie Yu , Jiang Zhu , Fangyong Wang , Xingbin Tu , Yan Wei , Fengzhong Qu

Doubly-selective channel estimation represents a key element in ensuring communication reliability in wireless systems. Due to the impact of multi-path propagation and Doppler interference in dynamic environments, doubly-selective channel…

信息论 · 计算机科学 2023-05-02 Abdul Karim Gizzini , Marwa Chafii

Conventional delay-Doppler (DD) communication and sensing systems require transmitting pilot frames at every channel coherence time interval in order to keep track of channel variations at the cost of spectral efficiency. In this paper, we…

信号处理 · 电气工程与系统科学 2026-04-09 Nishant Mehrotra , Sandesh Rao Mattu , Robert Calderbank

Integrated sensing and communication (ISAC) is a key enabler of 6G, supporting environment-aware services. A fundamental sensing task in this setting is reliable multi-target detection and tracking. This paper proposes a temporal graph…

信号处理 · 电气工程与系统科学 2026-04-10 Saiedeh Maboud Sanaie , Marcus Grossmann , Markus Landmann , Thomas Dallmann

This paper is concerned with the channel estimation problem in millimetre wave (MMW) wireless systems with large antenna arrays. By exploiting the sparse nature of the MMW channel, we present an efficient estimation algorithm based on a…

信息论 · 计算机科学 2018-04-19 Matthew Kokshoorn , Peng Wang , Yonghui Li , Branka Vucetic

Channel estimation is a critical task in intelligent reflecting surface (IRS)-assisted wireless systems due to the uncertainties imposed by environment dynamics and rapid changes in the IRS configuration. To deal with these uncertainties,…

信号处理 · 电气工程与系统科学 2022-08-10 Ahmet M. Elbir , Sinem Coleri , Kumar Vijay Mishra

Accurate channel impulse response (CIR) is required for coherent detection and it can also help improve communication quality of service in next-generation wireless communication systems. One of the advanced systems is multi-input…

信息论 · 计算机科学 2013-02-07 Guan Gui , Wei Peng , Fumiyuki Adachi

The multipath radio channel is considered to have a non-bandlimited channel impulse response. Therefore, it is challenging to achieve high resolution time-delay (TD) estimation of multipath components (MPCs) from bandlimited observations of…

信号处理 · 电气工程与系统科学 2019-12-11 Tarik Kazaz , Gerard J. M. Janssen , Alle-Jan van der Veen

Haptic teleoperation typically demands sub-millisecond latency and ultra-high reliability (99.999%) in Tactile Internet. At a 1 kHz haptic signal sampling rate, this translates into an extremely high packet transmission rate, posing…

信号处理 · 电气工程与系统科学 2026-03-25 Georgios Kokkinis , Alexandros Iosifidis , Qi Zhang

In this paper, we critically review the potential of today's terrestrial wireless communication systems including wireless cellular technologies (GSM, UMTS, LTE, NR), wireless local area networks (WLANs), and wireless sensor networks…

信号处理 · 电气工程与系统科学 2022-12-01 Tomaž Javornik , Andrej Hrovat , Aleš Švigelj

In this paper, deep neural network (DNN) is integrated with spatial modulation-orthogonal frequency division multiplexing (SM-OFDM) technique for end-to-end data detection over Rayleigh fading channel. This proposed system directly…

信号处理 · 电气工程与系统科学 2021-09-16 Ahmed M. Badi , Taissir Y. Elganimi , Osama A. S. Alkishriwo , Nadia Adem

Evaluating a building's wireless performance during the building design process is a new paradigm for wireless communications and building design. This paper proposes the earliest building wireless performance (BWP) evaluation theory…

网络与互联网体系结构 · 计算机科学 2022-12-13 Yixin Huang , Jiliang Zhang , Jie Zhang

Delay-Doppler multicarrier modulation (DDMC) techniques have been among the central topics of research for high-Doppler channels. However, a complete transition to DDMC-based waveforms is not yet practically feasible. This is because 5G NR…

信号处理 · 电气工程与系统科学 2026-01-28 Danilo Lelin Li , Ramtin Rabiee , Arman Farhang

The characteristics of wireless communication channels may vary with time due to fading, environmental changes and movement of mobile wireless devices. Tracking and estimating channel gains of wireless channels is therefore a fundamentally…

网络与互联网体系结构 · 计算机科学 2010-08-17 Hongyi Yao , Xiaohang Li , Soung Chang Liew

With the development of high speed trains (HST) in many countries, providing broadband wireless services in HSTs is becoming crucial. Orthogonal frequency-division multiplexing (OFDM) has been widely adopted for broadband wireless…

信号处理 · 电气工程与系统科学 2020-03-06 Xiang Ren , Wen Chen , Meixia Tao

Multiple-input multiple-output (MIMO) systems require efficient and accurate channel estimation with low pilot overhead to unlock their full potential for high spectral and energy efficiency. While deep generative models have emerged as a…

信号处理 · 电气工程与系统科学 2026-01-21 Yongqiang Zhang , Qurrat-Ul-Ain Nadeem

In this paper, we propose a novel channel estimation technique based on spread pilots for digital video broadcasting. This technique consists in adding a linear preceding function before the OFDM modulation and dedicating one of the…

网络与互联网体系结构 · 计算机科学 2008-10-01 Oudomsack Pierre Pasquero , Matthieu Crussière , Youssef Nasser , Jean-François Hélard