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In this paper, we explore neural network-based strategies for performing symbol detection in a MIMO-OFDM system. Building on a reservoir computing (RC)-based approach towards symbol detection, we introduce a symmetric and decomposed binary…

Signal Processing · Electrical Eng. & Systems 2020-12-04 Zhou Zhou , Shashank Jere , Lizhong Zheng , Lingjia Liu

In this paper, we investigate learning-based MIMO-OFDM symbol detection strategies focusing on a special recurrent neural network (RNN) -- reservoir computing (RC). We first introduce the Time-Frequency RC to take advantage of the…

Signal Processing · Electrical Eng. & Systems 2020-03-17 Zhou Zhou , Lingjia Liu , Shashank Jere , Jianzhong , Zhang , Yang Yi

In this paper, we introduce a new neural network (NN) structure, multi-mode reservoir computing (Multi-Mode RC). It inherits the dynamic mechanism of RC and processes the forward path and loss optimization of the NN using tensor as the…

Machine Learning · Computer Science 2021-02-19 Zhou Zhou , Lingjia Liu , Jiarui Xu

Reservoir computing (RC) is a special recurrent neural network which consists of a fixed high dimensional feature mapping and trained readout weights. In this paper, we introduce a new RC structure for multiple-input, multiple-output…

Signal Processing · Electrical Eng. & Systems 2020-11-30 Zhou Zhou , Lingjia Liu , Hao-Hsuan Chang

The limited over-the-air (OTA) pilot symbols in multiple-input-multiple-output orthogonal-frequency-division-multiplexing (MIMO-OFDM) systems presents a major challenge for detecting transmitted data symbols at the receiver, especially for…

Signal Processing · Electrical Eng. & Systems 2023-10-10 Jiarui Xu , Lianjun Li , Lizhong Zheng , Lingjia Liu

In this paper we introduce StructNet-CE, a novel real-time online learning framework for MIMO-OFDM channel estimation, which only utilizes over-the-air (OTA) pilot symbols for online training and converges within one OFDM subframe. The…

Signal Processing · Electrical Eng. & Systems 2023-05-24 Lianjun Li , Sai Sree Rayala , Jiarui Xu , Lizhong Zheng , Lingjia Liu

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…

Signal Processing · Electrical Eng. & Systems 2024-06-26 Jiarui Xu , Karim Said , Lizhong Zheng , Lingjia Liu

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…

Signal Processing · Electrical Eng. & Systems 2024-01-26 Jiarui Xu , Karim Said , Lizhong Zheng , Lingjia Liu

Resistive-capacitive (RC) networks are used to model various processes in engineering, physics or biology. We consider the problem of recovering the network connection structure from measured input-output data. We address this problem as a…

Optimization and Control · Mathematics 2020-07-21 Gabriele Calzavara , Luca Consolini , Juxhino Kavaja

In this paper, we present a novel neural network for MIMO symbol detection. It is motivated by several important considerations in wireless communication systems; permutation equivariance and a variable number of users. The neural detector…

Signal Processing · Electrical Eng. & Systems 2021-01-26 Kumar Pratik , Bhaskar D. Rao , Max Welling

Recent years have seen impressive progress in visual recognition on many benchmarks, however, generalization to the real-world in out-of-distribution setting remains a significant challenge. A state-of-the-art method for robust visual…

Computer Vision and Pattern Recognition · Computer Science 2021-11-29 Sebastian Cygert , Andrzej Czyzewski

Diffusion-based Molecular Communication (MC) is inherently challenged by severe inter-symbol interference (ISI). This is significantly amplified in mobile scenarios, where the channel impulse response (CIR) becomes time-varying and…

Emerging Technologies · Computer Science 2025-11-13 Abdulkadir Bilge , Eren Akyol , Murat Kuscu

Deep learning is making a profound impact in the physical layer of wireless communications. Despite exhibiting outstanding empirical performance in tasks such as MIMO receive processing, the reasons behind the demonstrated superior…

Signal Processing · Electrical Eng. & Systems 2024-10-10 Shashank Jere , Lizhong Zheng , Karim Said , Lingjia Liu

In this paper, we propose a model-driven deep learning network for multiple-input multiple-output (MIMO) detection. The structure of the network is specially designed by unfolding the iterative algorithm. Some trainable parameters are…

Information Theory · Computer Science 2018-09-26 Hengtao He , Chao-Kai Wen , Shi Jin , Geoffrey Ye Li

In this paper we consider Multiple-Input-Multiple-Output (MIMO) detection using deep neural networks. We introduce two different deep architectures: a standard fully connected multi-layer network, and a Detection Network (DetNet) which is…

Information Theory · Computer Science 2019-05-22 Neev Samuel , Tzvi Diskin , Ami Wiesel

We propose a blind ML-based modulation detection for OFDM-based technologies. Unlike previous works that assume an ideal environment with precise knowledge of subcarrier count and cyclic prefix location, we consider blind modulation…

Machine Learning · Computer Science 2024-08-16 Ali Pourranjbar , Georges Kaddoum , Verdier Assoume Mba , Sahil Garg , Satinder Singh

We propose an end-to-end recurrent encoder-decoder based sequence learning approach for printed text Optical Character Recognition (OCR). In contrast to present day existing state-of-art OCR solution which uses connectionist temporal…

Computer Vision and Pattern Recognition · Computer Science 2015-12-29 Devendra Kumar Sahu , Mohak Sukhwani

Deep SORT\cite{wojke2017simple} is a tracking-by-detetion approach to multiple object tracking with a detector and a RE-ID model. Both separately training and inference with the two model is time-comsuming. In this paper, we unify the…

Computer Vision and Pattern Recognition · Computer Science 2019-07-09 Yuhao Xu , Jiakui Wang

We propose a new method for learning the structure of convolutional neural networks (CNNs) that is more efficient than recent state-of-the-art methods based on reinforcement learning and evolutionary algorithms. Our approach uses a…

Computer Vision and Pattern Recognition · Computer Science 2018-07-30 Chenxi Liu , Barret Zoph , Maxim Neumann , Jonathon Shlens , Wei Hua , Li-Jia Li , Li Fei-Fei , Alan Yuille , Jonathan Huang , Kevin Murphy

Estimation in few-bit MIMO systems is challenging, since the received signals are nonlinearly distorted by the low-resolution ADCs. In this paper, we propose a deep learning framework for channel estimation, data detection, and pilot signal…

Signal Processing · Electrical Eng. & Systems 2021-07-27 Ly V. Nguyen , Duy H. N. Nguyen , A. Lee Swindlehurst
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