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相关论文: A Novel Delay-Doppler Domain Channel Sounding Meth…

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As 6G research advances, the growing demand leads to the emergence of novel technologies such as integrated sensing and communication (ISAC), new antenna arrays like extremely large MIMO (XL-MIMO) and reconfigurable intelligent surfaces…

信号处理 · 电气工程与系统科学 2025-06-16 Huiwen Gong , Jianhua Zhang , Yuxiang Zhang , Guangyi Liu

Sensing emerges as a critical challenge in 6G networks, which require simultaneous communication and target sensing capabilities. State-of-the-art super-resolution techniques for the direction of arrival (DoA) estimation encounter…

信号处理 · 电气工程与系统科学 2025-06-17 Murat Babek Salman , Emil Björnson

This paper introduces a Compressed Sensing (CS) estimation scheme for Orthogonal Time Frequency Space (OTFS) channels with sparse multipath. The OTFS waveform represents signals in a two dimensional Delay-Doppler (DD) orthonormal basis. The…

信息论 · 计算机科学 2021-11-25 Felipe Gómez-Cuba

Wireless communication in millimeter wave spectrum is poised to provide the latency and bandwidth needed for advanced use cases unfeasible at lower frequencies. Despite the market potential of vehicular communication networks,…

We propose a new coding scheme, called the delayed coding (DC) scheme, for channels with insertion, deletion, and substitution (IDS) errors. The proposed scheme employs delayed encoding and non-iterative detection and decoding strategies to…

信息论 · 计算机科学 2022-05-25 Ryo Shibata , Hiroyuki Yashima

Delay-Doppler (DD) signal processing has emerged as a powerful tool for analyzing multipath and time-varying channel effects. Due to the inherent sparsity of the wireless channel in the DD domain, compressed sensing (CS) based techniques,…

信号处理 · 电气工程与系统科学 2024-12-03 Hanning Wang , Xiang Huang , Rong-Rong Chen , Arman Farhang

Semantic communication (SC) is emerging as a pivotal innovation within the 6G framework, aimed at enabling more intelligent transmission. This development has led to numerous studies focused on designing advanced systems through powerful…

信号处理 · 电气工程与系统科学 2024-12-30 Guangyi Zhang , Kequan Zhou , Yunlong Cai , Qiyu Hu , Guanding Yu

This paper presents an omnidirectional spatial and temporal 3-dimensional statistical channel model for 28 GHz dense urban non-line of sight environments. The channel model is developed from 28 GHz ultrawideband propagation measurements…

信息论 · 计算机科学 2015-03-20 Mathew K. Samimi , Theodore S. Rappaport

Six-dimensional movable antenna (6DMA) has been identified as a new disruptive technology for future wireless systems to support a large number of users with only a few antennas. However, the intricate relationships between the signal…

As one of the key communication scenarios in the 5th and also the 6th generation (6G) of mobile communication networks, ultra-reliable and low-latency communications (URLLC) will be central for the development of various emerging…

信号处理 · 电气工程与系统科学 2021-01-21 Changyang She , Chengjian Sun , Zhouyou Gu , Yonghui Li , Chenyang Yang , H. Vincent Poor , Branka Vucetic

This letter illustrates our preliminary works in deep nerual network (DNN) for wireless communication scenario identification in wireless multi-path fading channels. In this letter, six kinds of channel scenarios referring to COST 207…

信号处理 · 电气工程与系统科学 2018-11-26 Jun Liu , Kai Mei , Dongtang Ma , Jibo Wei

Over the past few decades, extensive research has been devoted to the design of artificial reverberation algorithms aimed at emulating the room acoustics of physical environments. Despite significant advancements, automatic parameter tuning…

音频与语音处理 · 电气工程与系统科学 2024-10-10 Alessandro Ilic Mezza , Riccardo Giampiccolo , Enzo De Sena , Alberto Bernardini

Orthogonal time frequency space (OTFS) modulation is a robust candidate waveform for future wireless systems, particularly in high-mobility scenarios, as it effectively mitigates the impact of rapidly time-varying channels by mapping…

信号处理 · 电气工程与系统科学 2026-01-12 Meiwen Men , Tao Zhou , Kaifeng Bao , Zhiyang Guo , Yongning Qi , Liu Liu , Bo Ai

Site-specific channel inference plays a critical role in the design and evaluation of next-generation wireless communication systems by considering the surrounding propagation environment. However, traditional methods are unscalable.…

图像与视频处理 · 电气工程与系统科学 2026-04-14 Junzhe Song , Ruisi He , Mi Yang , Zhengyu Zhang , Shuaiqi Gao , Bo Ai , Zhangdui Zhong

To realize holographic communications, a potential technology for spectrum efficiency improvement in the future sixth-generation (6G) network, antenna arrays inlaid with numerous antenna elements will be deployed. However, the increase in…

信息论 · 计算机科学 2024-01-17 Shaohua Yue , Shuhao Zeng , Liang Liu , Boya Di

6G communication systems promise to deliver sensing capabilities by utilizing the orthogonal frequency division multiplexing (OFDM) communication signal for sensing. However, the cyclic prefix inherent in OFDM systems limits the sensing…

信号处理 · 电气工程与系统科学 2025-01-22 Benedikt Geiger , Silvio Mandelli , Marcus Henninger , Daniel Gil Gaviria , Charlotte Muth , Laurent Schmalen

We communicate over wireless channels by first estimating and then equalizing the effective channel. In Zak-OTFS (orthogonal time frequency space) modulation the carrier waveform is a pulse in the delay-Doppler (DD) domain, formally a…

信号处理 · 电气工程与系统科学 2025-07-08 Saif Khan Mohammed , Sandesh Rao Mattu , Nishant Mehrotra , Venkatesh Khammammetti , Robert Calderbank

Wireless communications are significantly impacted by the propagation environment, particularly in doubly selective channels with variations in both time and frequency domains. Orthogonal Time Frequency Space (OTFS) modulation has emerged…

信号处理 · 电气工程与系统科学 2024-11-01 J. Andrew Zhang , Hongyang Zhang , Kai Wu , Xiaojing Huang , Jinhong Yuan , Y. Jay Guo

This paper addresses the estimation of fractional delay and Doppler shifts in multipath channels that cause doubly selective fading-an essential task for integrated sensing and communication (ISAC) systems in high-mobility environments.…

信号处理 · 电气工程与系统科学 2025-06-24 Yutaka Jitsumatsu , Liangchen Sun

Integrated sensing and communications (ISAC), radar, and beamforming require real-time, high-resolution estimation algorithms to determine delay-Doppler values of specular paths within the wireless propagation channel. Our contribution is…

信号处理 · 电气工程与系统科学 2026-01-22 Lorenz Mohr , Michael Döbereiner , Steffen Schieler , Joerg Robert , Christian Schneider , Sebastian Semper , Reiner S. Thomä