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Generative Adversarial Networks (GANs) have been very successful for synthesizing the images in a given dataset. The artificially generated images by GANs are very realistic. The GANs have shown potential usability in several computer…

Computer Vision and Pattern Recognition · Computer Science 2023-02-20 Shiv Ram Dubey , Satish Kumar Singh

The terahertz spectral regime, ranging from about 0.1 to 15 THz, is one of the least explored yet most technologically transformative spectral regions. One current challenge is to develop efficient and compact terahertz emitters/detectors…

Mesoscale and Nanoscale Physics · Physics 2019-03-12 Liang Luo , Ioannis Chatzakis , Jigang Wang , Fabian B. P. Niesler , Martin Wegener , Thomas Koschny , Costas M. Soukoulis

A generative adversarial network (GAN) has been a representative backbone model in generative artificial intelligence (AI) because of its powerful performance in capturing intricate data-generating processes. However, the GAN training is…

Machine Learning · Statistics 2025-08-21 Jinwon Sohn , Qifan Song

High-speed railway tunnel communication systems require reliable radio wave propagation prediction to ensure operational safety. However, conventional simulation methods face challenges of high computational complexity and inability to…

Signal Processing · Electrical Eng. & Systems 2025-10-06 Yang Zhou , Haochang Wu , Yunxi Mu , Hao Qin , Xinyue Zhang , Xingqi Zhang

We propose Parallel WaveGAN, a distillation-free, fast, and small-footprint waveform generation method using a generative adversarial network. In the proposed method, a non-autoregressive WaveNet is trained by jointly optimizing…

Audio and Speech Processing · Electrical Eng. & Systems 2020-02-07 Ryuichi Yamamoto , Eunwoo Song , Jae-Min Kim

Reconfigurable intelligent surface (RIS)-aided terahertz (THz)-band communications are promising enablers for future wireless networks. However, array densification at high frequencies introduces significant challenges in accurate channel…

Signal Processing · Electrical Eng. & Systems 2025-05-16 Ahmad Dkhan , Simon Tarboush , Hadi Sarieddeen , Ibrahim Abou-Faycal , Tareq Y. Al-Naffouri

Owning abundant bandwidth resource, the Terahertz (0.1-10 THz) band is a promising spectrum to support sixth-generation (6G) and beyond communications. As the foundation of channel study in the spectrum, channel measurement is ongoing in…

Information Theory · Computer Science 2022-11-22 Yiqin Wang , Yuanbo Li , Yi Chen , Ziming Yu , Chong Han

Analog beamforming holds great potential for future terahertz (THz) communications due to its ability to generate high-gain directional beams with low-cost phase shifters. However, conventional analog beamforming may suffer substantial…

Signal Processing · Electrical Eng. & Systems 2026-03-26 Yike Xie , Weidong Mei , Dong Wang , Yingqi Wen , Zhi Chen , Jun Fang , Wei Guo , Boyu Ning

We propose novel hybrid beamforming schemes for the terahertz (THz) wireless system where a multi-antenna base station (BS) communicates with a multi-antenna user over frequency selective fading. Here, we assume that the BS employs…

Signal Processing · Electrical Eng. & Systems 2020-09-30 Hang Yuan , Nan Yang , Kai Yang , Chong Han , Jianping An

In this paper, we propose a new adversarial training framework to address high-dimensional instantaneous channel estimation in wireless communications. Specifically, we train a generative adversarial network to predict a channel realization…

Signal Processing · Electrical Eng. & Systems 2025-04-16 Nghia Thinh Nguyen , Tri Nhu Do

Terahertz (THz) band owning the abundant multi-ten-GHz bandwidth is capable to support Terabit-per-second wireless communications, which is a pillar technology for 6G and beyond systems. With sub-millimeter-long antennas, ultra-massive (UM)…

Information Theory · Computer Science 2023-08-04 Chong Han , Yuhang Chen , Longfei Yan , Zhi Chen , Linglong Dai

Cell-free network architecture plays a promising role in the terahertz (THz) networks since it provides better link reliability and uniformly good services for all the users compared to the co-located massive MIMO counterpart, and the…

Information Theory · Computer Science 2023-11-23 Zesheng Zhu , Lifeng Wang , Xin Wang , Bo Tan , Shi Jin

Terahertz (THz) integrated sensing and communication (ISAC) enables simultaneous data transmission with Terabit-per-second (Tbps) rate and millimeter-level accurate sensing. To realize such a blueprint, ultra-massive antenna arrays with…

Information Theory · Computer Science 2024-03-27 Yongzhi Wu , Chong Han , Meixia Tao

Terahertz (THz) communication and the application of massive multiple-input multiple-output (MIMO) technology have been proved significant for the sixth generation (6G) communication systems, and have gained global interests. In this paper,…

Signal Processing · Electrical Eng. & Systems 2022-08-23 Yuanzhe Wang , Hao Cao , Yifan Jin , Zizhe Zhou , Yinghua Wang , Jialing Huang , Yuxiao Li , Jie Huang , Cheng-Xiang Wang

Scalability has driven recent advances in generative modeling, yet its principles remain underexplored for adversarial learning. We investigate the scalability of Generative Adversarial Networks (GANs) through two design choices that have…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Sangeek Hyun , MinKyu Lee , Jae-Pil Heo

Terahertz (THz) communication offers a promising solution for high-throughput wireless systems. However, the severe path loss of THz signals raises concerns about its effectiveness compared to radio frequency (RF) communication. In this…

Networking and Internet Architecture · Computer Science 2025-08-12 Zhengying Lou , Baha Eddine Youcef Belmekki , Mohamed-Slim Alouini

Soft sensing infers hard-to-measure data through a large number of easily obtainable variables. However, in complex industrial scenarios, the issue of insufficient data volume persists, which diminishes the reliability of soft sensing.…

Machine Learning · Computer Science 2025-12-23 Zesen Wang , Yonggang Li , Lijuan Lan

Terahertz ultra-massive MIMO (THz UM-MIMO) is envisioned as one of the key enablers of 6G wireless networks, for which channel estimation is highly challenging. Traditional analytical estimation methods are no longer effective, as the…

Signal Processing · Electrical Eng. & Systems 2023-06-09 Wentao Yu , Yifei Shen , Hengtao He , Xianghao Yu , Shenghui Song , Jun Zhang , Khaled B. Letaief

Generative Adversarial Networks are used for generating the data using a generator and a discriminator, GANs usually produce high-quality images, but training GANs in an adversarial setting is a difficult task. GANs require high computation…

Computer Vision and Pattern Recognition · Computer Science 2023-08-01 Md Nurul Muttakin , Malik Shahid Sultan , Robert Hoehndorf , Hernando Ombao

Generative adversarial networks (GANs) are widely used for distribution learning, yet their classical formulations remain theoretically fragile, with ill-posed objectives, unstable training dynamics, and limited interpretability. In this…

Machine Learning · Computer Science 2025-12-29 Angshul Majumdar