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While the filtered-x normalized least mean square (FxNLMS) algorithm is widely applied due to its simple structure and easy implementation for active noise control system, it faces two critical limitations: the fixed step-size causes a…

Information Theory · Computer Science 2026-01-26 Zhiyuan Li , Yi Yu , Hongsen He , Yuyu Zhu , Rodrigo C. de Lamare

An adaptive randomized distributed space-time coding (DSTC) scheme is proposed for two-hop cooperative MIMO networks. Linear minimum mean square error (MMSE) receiver filters and randomized matrices subject to a power constraint are…

Information Theory · Computer Science 2013-03-20 T. Peng , R. C. de Lamare , A. Schmeink

This paper presents a distributed learning model predictive control (DLMPC) scheme for distributed linear time invariant systems with coupled dynamics and state constraints. The proposed solution method is based on an online distributed…

Systems and Control · Electrical Eng. & Systems 2020-06-25 Yvonne R. Stürz , Edward L. Zhu , Ugo Rosolia , Karl H. Johansson , Francesco Borrelli

Deep learning based end-to-end multi-channel speech enhancement methods have achieved impressive performance by leveraging sub-band, cross-band, and spatial information. However, these methods often demand substantial computational…

Audio and Speech Processing · Electrical Eng. & Systems 2025-02-18 Yaokai Zhang , Hanchen Pei , Wanqi Wang , Gongping Huang

Efficient spectrum utilization is critical to meeting the growing data demands of modern wireless communication networks. Automatic Modulation Classification (AMC) plays a key role in enhancing spectrum efficiency by accurately identifying…

Machine Learning · Computer Science 2025-07-08 Prakash Suman , Yanzhen Qu

In typical multi-agent reinforcement learning (MARL) problems, communication is important for agents to share information and make the right decisions. However, due to the complexity of training multi-agent communication, existing methods…

Multiagent Systems · Computer Science 2025-05-01 Xuyan Ma , Yawen Wang , Junjie Wang , Xiaofei Xie , Boyu Wu , Shoubin Li , Fanjiang Xu , Qing Wang

Deep multi-view clustering incorporating graph learning has presented tremendous potential. Most methods encounter costly square time consumption w.r.t. data size. Theoretically, anchor-based graph learning can alleviate this limitation,…

Machine Learning · Computer Science 2025-04-15 Bocheng Wang , Chusheng Zeng , Mulin Chen , Xuelong Li

In this paper we propose minimum mean squared error (MMSE) iterative successive parallel arbitrated decision feedback (DF) receivers for direct sequence code division multiple access (DS-CDMA) systems. We describe the MMSE design criterion…

Information Theory · Computer Science 2012-05-22 Rodrigo C. de Lamare , Raimundo Sampaio-Neto

Distributed synchronous stochastic gradient descent has been widely used to train deep neural networks on computer clusters. With the increase of computational power, network communications have become one limiting factor on system…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-12-04 Shaohuai Shi , Xiaowen Chu , Bo Li

In recent years, the paradigm of cloud computing has emerged as an architecture for computing that makes use of distributed (networked) computing resources. In this paper, we consider a distributed computing algorithmic scheme for…

Optimization and Control · Mathematics 2017-09-22 Shi Pu , Alfredo Garcia

In this paper, we tackle decision fusion for distributed detection in a randomly-deployed clustered wireless sensor networks (WSNs) operating over a non-ideal multiple access channels (MACs), i.e. considering Rayleigh fading, pathloss and…

Signal Processing · Electrical Eng. & Systems 2022-03-29 Sami Aldalahmeh , Domenico Ciuonzo

We consider large scale distributed optimization over a set of edge devices connected to a central server, where the limited communication bandwidth between the server and edge devices imposes a significant bottleneck for the optimization…

Optimization and Control · Mathematics 2021-12-28 Yujie Tang , Vikram Ramanathan , Junshan Zhang , Na Li

This paper proposes a novel generalized cross-correlation (GCC) method, termed GCC-MSIF, to improve time difference of arrival (TDOA) estimation accuracy in noisy environments. Conventional GCC methods often suffer from performance…

Signal Processing · Electrical Eng. & Systems 2025-12-08 Hirotaka Obo , Yuki Fujita , Masahisa Ishii , Hideki Moriyama , Ryota Tsuchiya , Yuta Ohashi , Kotaro Seki

Deep neural networks are often coupled with traditional spatial filters, such as MVDR beamformers for effectively exploiting spatial information. Even though single-stage end-to-end supervised models can obtain impressive enhancement,…

Sound · Computer Science 2022-04-07 Asutosh Pandey , Buye Xu , Anurag Kumar , Jacob Donley , Paul Calamia , DeLiang Wang

In this paper we propose a parallel coordinate descent algorithm for solving smooth convex optimization problems with separable constraints that may arise e.g. in distributed model predictive control (MPC) for linear network systems. Our…

Optimization and Control · Mathematics 2014-11-19 Ion Necoara , Dragos Clipici

We develop a Distributed Event-Triggered Stochastic GRAdient Descent (DETSGRAD) algorithm for solving non-convex optimization problems typically encountered in distributed deep learning. We propose a novel communication triggering mechanism…

Optimization and Control · Mathematics 2019-09-12 Jemin George , Prudhvi Gurram

Utilizing widely distributed communication nodes to achieve environmental reconstruction is one of the significant scenarios for Integrated Sensing and Communication (ISAC) and a crucial technology for 6G. To achieve this crucial…

Signal Processing · Electrical Eng. & Systems 2024-04-24 Bohao Lu , Zhiqing Wei , Huici Wu , Xinrui Zeng , Lin Wang , Xi Lu , Dongyang Mei , Zhiyong Feng

Adaptive Mixed-Criticality (AMC) is a fixed-priority preemptive scheduling algorithm for mixed-criticality hard real-time systems. It dominates many other scheduling algorithms for mixed-criticality systems, but does so at the cost of…

Operating Systems · Computer Science 2024-11-04 Bruno Mendes , Pedro F. Souto , Pedro C. Diniz

Single-channel speech enhancement is a challenging ill-posed problem focused on estimating clean speech from degraded signals. Existing studies have demonstrated the competitive performance of combining convolutional neural networks (CNNs)…

Audio and Speech Processing · Electrical Eng. & Systems 2025-02-28 Zizhen Lin , Junyu Wang , Ruili Li , Fei Shen , Xi Xuan

A consensus-control-based multi-level control law named Multi-Level Power-Imbalance Allocation Control (MLPIAC) is presented for a large-scale power system partitioned into two or more areas. Centralized control is implemented in each area…

Systems and Control · Computer Science 2018-06-15 Kaihua Xi , Hai Xiang Lin , Chen Shen , Jan H. van Schuppen