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Speech enhancement is a fundamental challenge in signal processing, particularly when robustness is required across diverse acoustic conditions and microphone setups. Deep learning methods have been successful for speech enhancement, but…

音频与语音处理 · 电气工程与系统科学 2025-10-28 Yuval Bar Ilan , Boaz Rafaely , Vladimir Tourbabin

Multi-channel speech enhancement with ad-hoc sensors has been a challenging task. Speech model guided beamforming algorithms are able to recover natural sounding speech, but the speech models tend to be oversimplified or the inference would…

计算与语言 · 计算机科学 2018-02-16 Kaizhi Qian , Yang Zhang , Shiyu Chang , Xuesong Yang , Dinei Florencio , Mark Hasegawa-Johnson

Hybrid beamformer design plays very crucial role in the next generation millimeter-wave (mm-Wave) massive MIMO (multiple-input multiple-output) systems. Previous works assume the perfect channel state information (CSI) which results heavy…

信号处理 · 电气工程与系统科学 2020-08-18 Ahmet M. Elbir

Most deep learning-based multi-channel speech enhancement methods focus on designing a set of beamforming coefficients to directly filter the low signal-to-noise ratio signals received by microphones, which hinders the performance of these…

声音 · 计算机科学 2022-02-08 Wenzhe Liu , Andong Li , Chengshi Zheng , Xiaodong Li

Deep learning (DL) methods have emerged as promising solutions for enhancing receiver performance in wireless orthogonal frequency-division multiplexing (OFDM) systems, offering significant improvements over traditional estimation and…

信息论 · 计算机科学 2026-01-13 Mohanad Obeed , Ming Jian

Hybrid beamforming (HB) has emerged as a promising technology to support ultra high transmission capacity and with low complexity for Millimeter Wave (mmWave) multiple-input and multiple-output (MIMO) system. However, the design of digital…

信号处理 · 电气工程与系统科学 2020-01-10 Jiyun Tao , Jing Xing , Jienan Chen , Chuan Zhang , Shengli Fu

In broadband millimeter-wave (mm-Wave) systems, it is desirable to design hybrid beamformers with common analog beamformer for the entire band while employing different baseband beamformers in different frequency sub-bands. Furthermore, the…

信号处理 · 电气工程与系统科学 2019-11-01 Ahmet M. Elbir , Kumar Vijay Mishra

Recently, many deep learning based beamformers have been proposed for multi-channel speech separation. Nevertheless, most of them rely on extra cues known in advance, such as speaker feature, face image or directional information. In this…

音频与语音处理 · 电气工程与系统科学 2022-12-08 Yanjie Fu , Haoran Yin , Meng Ge , Longbiao Wang , Gaoyan Zhang , Jianwu Dang , Chengyun Deng , Fei Wang

Hybrid analog and digital beamforming transceivers are instrumental in addressing the challenge of expensive hardware and high training overheads in the next generation millimeter-wave (mm-Wave) massive MIMO (multiple-input multiple-output)…

信号处理 · 电气工程与系统科学 2022-01-04 Ahmet M. Elbir , Kumar Vijay Mishra , M. R. Bhavani Shankar , Björn Ottersten

Meeting the high data rate demands of modern applications necessitates the utilization of high-frequency spectrum bands, including millimeter-wave and sub-terahertz bands. However, these frequencies require precise alignment of narrow…

信息论 · 计算机科学 2024-12-05 Sachira Karunasena , Erfan Khordad , Thomas Drummond , Rajitha Senanayake

Human motion recognition (HMR) based on wireless sensing is a low-cost technique for scene understanding. Current HMR systems adopt support vector machines (SVMs) and convolutional neural networks (CNNs) to classify radar signals. However,…

信息论 · 计算机科学 2021-04-22 Guoliang Li , Shuai Wang , Jie Li , Rui Wang , Xiaohui Peng , Tony Xiao Han

In the sixth-generation (6G) cellular networks, hybrid beamforming would be a real-time optimization problem that is becoming progressively more challenging. Although numerical computation-based iterative methods such as the minimal mean…

Signal-dependent beamformers are advantageous over signal-independent beamformers when the acoustic scenario - be it real-world or simulated - is straightforward in terms of the number of sound sources, the ambient sound field and their…

音频与语音处理 · 电气工程与系统科学 2023-12-01 Sina Hafezi , Alastair H. Moore , Pierre H. Guiraud , Patrick A. Naylor , Jacob Donley , Vladimir Tourbabin , Thomas Lunner

Deep Neural Networks (DNN) have been successful in en- hancing noisy speech signals. Enhancement is achieved by learning a nonlinear mapping function from the features of the corrupted speech signal to that of the reference clean speech…

机器学习 · 计算机科学 2016-06-16 Zhenzhou Wu , Sunil Sivadas , Yong Kiam Tan , Ma Bin , Rick Siow Mong Goh

Robust beamforming design under imperfect channel state information (CSI) is a fundamental challenge in multiuser multiple-input multiple-output (MU-MIMO) systems, particularly when the channel estimation error statistics are unknown.…

信息论 · 计算机科学 2025-12-17 Wenzhuo Zou , Ming-Min Zhao , An Liu , Min-Jian Zhao

Deep learning is envisioned to play a key role in the design of future wireless receivers. A popular approach to design learning-aided receivers combines deep neural networks (DNNs) with traditional model-based receiver algorithms,…

信息论 · 计算机科学 2024-10-22 Tomer Raviv , Sangwoo Park , Osvaldo Simeone , Nir Shlezinger

Relying on either deep models or physical models are two mainstream approaches for solving inverse sample reconstruction problems in programmable illumination computational microscopy. Solutions based on physical models possess strong…

图像与视频处理 · 电气工程与系统科学 2024-03-21 Ruiqing Sun , Delong Yang , Shaohui Zhang , Qun Hao

Deep-learning based noise reduction algorithms have proven their success especially for non-stationary noises, which makes it desirable to also use them for embedded devices like hearing aids (HAs). This, however, is currently not possible…

音频与语音处理 · 电气工程与系统科学 2020-06-24 Hendrik Schröter , Tobias Rosenkranz , Alberto N. Escalante-B. , Pascal Zobel , Andreas Maier

Deep neural networks have become ubiquitous for applications related to visual recognition and language understanding tasks. However, it is often prohibitive to use typical neural networks on devices like mobile phones or smart watches…

机器学习 · 计算机科学 2017-08-10 Sujith Ravi

Highly directional millimeter wave (mmWave) radios need to perform beam management to establish and maintain reliable links. To do so, existing solutions mostly rely on explicit coordination between the transmitter (TX) and the receiver…

网络与互联网体系结构 · 计算机科学 2021-06-09 Michele Polese , Francesco Restuccia , Tommaso Melodia
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