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相关论文: A DNN-based OTFS Transceiver with Delay-Doppler Ch…

200 篇论文

In-phase/quadrature-phase (I/Q) imbalance is one of the most important hardware impairments in communication systems. It arises in the analogue parts of direct conversion radio frequency (RF) transceivers and can cause severe performance…

信息论 · 计算机科学 2016-04-27 Shahram Zarei , Wolfgang Gerstacker , Jocelyn Aulin , Robert Schober

Currently there is great interest in the utility of deep neural networks (DNNs) for the physical layer of radio frequency (RF) communications. In this manuscript, we describe a custom DNN specially designed to solve problems in the RF…

信号处理 · 电气工程与系统科学 2021-09-23 Brian Shevitski , Yijing Watkins , Nicole Man , Michael Girard

A neural network is essentially a high-dimensional complex mapping model by adjusting network weights for feature fitting. However, the spectral bias in network training leads to unbearable training epochs for fitting the high-frequency…

信号处理 · 电气工程与系统科学 2021-06-22 Zhi Zeng , Pengpeng Shi , Fulei Ma , Peihan Qi

Deep neural networks (DNNs) were shown to facilitate the operation of uplink multiple-input multiple-output (MIMO) receivers, with emerging architectures augmenting modules of classic receiver processing. Current designs consider static…

信息论 · 计算机科学 2024-08-23 Tomer Raviv , Nir Shlezinger

NDN has gained significant attention due to the appearance of several unforeseen design flaws that became evident with new communication scenarios. Among its many features, the two standard NDN forwarding strategies are not adaptive,…

网络与互联网体系结构 · 计算机科学 2020-10-21 Ygor Amaral B. L. de Sena , Kelvin Lopes Dias , Cleber Zanchettin

Deep neural networks (DNNs) based digital receivers can potentially operate in complex environments. However, the dynamic nature of communication channels implies that in some scenarios, DNN-based receivers should be periodically retrained…

信息论 · 计算机科学 2021-03-26 Tomer Raviv , Sangwoo Park , Nir Shlezinger , Osvaldo Simeone , Yonina C. Eldar , Joonhyuk Kang

We propose a deep-learning approach for the joint MIMO detection and channel decoding problem. Conventional MIMO receivers adopt a model-based approach for MIMO detection and channel decoding in linear or iterative manners. However, due to…

信息论 · 计算机科学 2019-01-18 Taotao Wang , Lihao Zhang , Soung Chang Liew

This paper explores the integration of deep learning techniques for joint sensing and communications, with an extension to semantic communications. The integrated system comprises a transmitter and receiver operating over a wireless…

网络与互联网体系结构 · 计算机科学 2024-10-22 Yalin E. Sagduyu , Tugba Erpek , Aylin Yener , Sennur Ulukus

Deep neural networks (DNN) can be applied at the post-processing stage for the improvement of the results of quantum computations on noisy intermediate-scale quantum (NISQ) processors. Here, we propose a method based on this idea, which is…

量子物理 · 物理学 2022-09-09 A. A. Zhukov , W. V. Pogosov

Orthogonal time frequency space (OTFS) is a promising modulation scheme for wireless communication in high-mobility scenarios. Recently, a reservoir computing (RC) based approach has been introduced for online subframe-based symbol…

信号处理 · 电气工程与系统科学 2024-01-26 Jiarui Xu , Karim Said , Lizhong Zheng , Lingjia Liu

Orthogonal Time Frequency Space (OTFS) is a framework for communications and active sensing that processes signals in the delay-Doppler (DD) domain. It is informed by 6G propagation environments, where Doppler spreads measured in kHz make…

信息论 · 计算机科学 2024-02-16 Beyza Dabak , Venkatesh Khammammetti , Saif Khan Mohammed , Robert Calderbank

Massive machine type communication (mMTC) has attracted new coding schemes optimized for reliable short message transmission. In this paper, a novel deep learning based near-orthogonal superposition (NOS) coding scheme is proposed for…

信息论 · 计算机科学 2021-11-12 Chenghong Bian , Mingyu Yang , Chin-Wei Hsu , Hun-Seok Kim

In this article, we develop an end-to-end wireless communication system using deep neural networks (DNNs), in which DNNs are employed to perform several key functions, including encoding, decoding, modulation, and demodulation. However, an…

信息论 · 计算机科学 2019-03-08 Hao Ye , Le Liang , Geoffrey Ye Li , Biing-Hwang Fred Juang

We propose an end-to-end speech enhancement method with trainable time-frequency~(T-F) transform based on invertible deep neural network~(DNN). The resent development of speech enhancement is brought by using DNN. The ordinary DNN-based…

音频与语音处理 · 电气工程与系统科学 2020-02-17 Daiki Takeuchi , Kohei Yatabe , Yuma Koizumi , Yasuhiro Oikawa , Noboru Harada

We investigate a coded uplink non-orthogonal multiple access (NOMA) configuration in which groups of co-channel users are modulated in accordance with orthogonal time frequency space (OTFS). We take advantage of OTFS characteristics to…

信息论 · 计算机科学 2021-02-10 Yao Ge , Qinwen Deng , P. C. Ching , Zhi Ding

The standardization of the sixth-generation (6G) has recently commenced to address the rapidly growing demands for enhanced wireless network services. Nevertheless, existing wireless systems, particularly at the physical layer waveform…

The Internet of Things (IoT) is reshaping modern society by allowing a decent number of RF devices to connect and share information through RF channels. However, such an open nature also brings obstacles to surveillance. For alleviation, a…

机器学习 · 计算机科学 2021-10-13 Yongxin Liu , Yingjie Chen , Jian Wang , Shuteng Niu , Dahai Liu , Houbing Song

With the development of artificial intelligence (AI) techniques, implementing AI-based techniques to improve wireless transceivers becomes an emerging research topic. Within this context, AI-based channel characterization and estimation…

信号处理 · 电气工程与系统科学 2025-10-29 Yuzhi Yang , Sen Yan , Weijie Zhou , Brahim Mefgouda , Ridong Li , Zhaoyang Zhang , Mérouane Debbah

Terahertz (THz) communication is envisioned as a key technology for 6G and beyond wireless systems owing to its multi-GHz bandwidth. To maintain the same aperture area and the same link budget as the lower frequencies, ultra-massive…

信息论 · 计算机科学 2024-11-25 Wenqi Zhao , Chong Han , Ho-Jin Song , Emil Björnson

To shift the computational burden from real-time to offline in delay-critical power systems applications, recent works entertain the idea of using a deep neural network (DNN) to predict the solutions of the AC optimal power flow (AC-OPF)…

最优化与控制 · 数学 2021-11-12 Manish K. Singh , Vassilis Kekatos , Georgios B. Giannakis