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In this paper, we consider multiple channels and wireless nodes with multiple transceivers. Each node assigns one transmitter at each available channel. For each assigned transmitter the node decides the power level and data rate of…

Dynamical Systems · Mathematics 2011-10-31 Themistoklis Charalambous

This letter proposes a pragmatic link adaptation algorithm considering power density offsets (PDOs) for next-generation uplink wireless channels. The proposed algorithm consists of PDO calculation between a physical uplink shared channel…

Information Theory · Computer Science 2020-09-21 Shu Sun , Sungho Moon , Jong-Kae Fwu

Energy efficiency is a crucial performance metric in sensor networks, directly determining the network lifetime. Consequently, a key factor in WSN is to improve overall energy efficiency to extend the network lifetime. Although many…

Networking and Internet Architecture · Computer Science 2017-07-26 Gal Oren , Leonid Barenboim , Harel Levin

In this paper, a new multi-source wideband direction of arrival (MSW-DOA) estimation method is proposed for the signal with non-uniform distribution using the sub-array of uniform linear array. Different from conventional methods, based on…

Audio and Speech Processing · Electrical Eng. & Systems 2022-04-12 Jing Zhou , Changchun Bao

Recent advances in wireless sensor networks (WSNs) have led to many new promissing applications. However data communication between nodes consumes a large portion of the total energy of WSNs. Consequently efficient data aggregation…

Distributed, Parallel, and Cluster Computing · Computer Science 2010-10-06 Punit Sharma , Partha Sarathi Mandal

Limited by fixed step-size and sparsity penalty factor, the conventional sparsity-aware normalized subband adaptive filtering (NSAF) type algorithms suffer from trade-off requirements of high filtering accurateness and quicker convergence…

Systems and Control · Electrical Eng. & Systems 2024-10-28 Dongxu Liu , Haiquan Zhao , Yang Zhou

To strike a balance between energy efficiency and data quality control, this paper proposes a sensor censoring scheme for distributed sparse signal recovery via compressive-sensing based wireless sensor networks. In the proposed approach,…

Information Theory · Computer Science 2018-01-16 Jwo-Yuh Wu , Ming-Hsun Yang , Tsang-Yi Wang

This paper deals with the improvement of energy efficiency in wireless sensor networks (WSN).Taking into consideration the power saving problem which is of crucial importance when the sensors are supplied by a limited power source, this…

Networking and Internet Architecture · Computer Science 2016-06-08 Ahmad Abboud , Abdel-Karim Yazbek , Jean-Pierre Cances , Vahid Meghdadi

The effectiveness of single-model sequential recommendation architectures, while scalable, is often limited when catering to "power users" in sparse or niche domains. Our previous research, PinnerFormerLite, addressed this by using a fixed…

Machine Learning · Computer Science 2025-10-07 Akshay Mittal , Vinay Venkatesh , Krishna Kandi , Shalini Sudarshan

Reconfigurable intelligent surfaces (RIS) can actively perform beamforming and have become a crucial enabler for wireless systems in the future. The direction-of-arrival (DOA) estimates of RIS received signals can help design the reflection…

Information Theory · Computer Science 2024-11-03 Canping Yu , Yingsong Li , Liping Li , Zhixiang Huang , Qingqing Wu , Rodrigo C. de Lamare

Wireless sensor networks (WSNs) have been vastly employed in the collection and transmission of data via wireless networks. This type of network is nowadays used in many applications for surveillance activities in various environments due…

Cryptography and Security · Computer Science 2020-01-20 Reza Fotohi , Somayyeh Firoozi Bari , Mehdi Yusefi

A distributed data collection algorithm to accurately store and forward information obtained by wireless sensor networks is proposed. The proposed algorithm does not depend on the sensor network topology, routing tables, or geographic…

Networking and Internet Architecture · Computer Science 2010-11-15 Salah A. Aly , Ahmed Ali-Eldin , H. Vincent Poor

In this letter, we investigate the direction-of-arrival (DOA) estimation problem for wireless sensing with movable antenna (MA) systems in the presence of unknown antenna position errors (APE). To achieve robust wireless sensing, we…

Signal Processing · Electrical Eng. & Systems 2026-05-25 Chengzhi Ye , Ruoyu Zhang , Wen Wu , Byonghyo Shim

Recent advancements in Deep Learning (DL) for Direction of Arrival (DOA) estimation have highlighted its superiority over traditional methods, offering faster inference, enhanced super-resolution, and robust performance in low…

Signal Processing · Electrical Eng. & Systems 2024-05-07 Ruxin Zheng , Shunqiao Sun , Hongshan Liu , Honglei Chen , Mojtaba Soltanalian , Jian Li

Sensor nodes in a wireless sensor network (WSN) for security surveillance applications should preferably be small, energy-efficient, and inexpensive with in-sensor computational abilities. An appropriate data processing scheme in the sensor…

Neural and Evolutionary Computing · Computer Science 2022-05-04 Anand Kumar Mukhopadhyay , Naligala Moses Prabhakar , Divya Lakshmi Duggisetty , Indrajit Chakrabarti , Mrigank Sharad

There is growing interest in large-scale machine learning and optimization over decentralized networks, e.g. in the context of multi-agent learning and federated learning. Due to the imminent need to alleviate the communication burden, the…

Machine Learning · Statistics 2020-09-02 Boyue Li , Shicong Cen , Yuxin Chen , Yuejie Chi

This paper considers the problem of simultaneous sensor fault detection, isolation, and networked estimation of linear full-rank dynamical systems. The proposed networked estimation is a variant of single time-scale protocol and is based on…

Systems and Control · Electrical Eng. & Systems 2020-09-28 Mohammadreza Doostmohammadian , Nader Meskin

A Wireless Sensor Network (WSN) consists of spatially distributed autonomous sensors to monitor physical or environmental conditions, such as temperature, sound, pressure,etc. In sensing applications, data packets are flowing from sensor…

Networking and Internet Architecture · Computer Science 2014-02-07 Ms. Aruna. G. R , Mr. SivanArulSelvan

In 802.11 systems, Rate Adaptation (RA) is a fundamental mechanism allowing transmitters to adapt the coding and modulation scheme as well as the MIMO transmission mode to the radio channel conditions, and in turn, to learn and track the…

Networking and Internet Architecture · Computer Science 2013-09-23 Richard Combes , Alexandre Proutiere , Donggyu Yun , Jungseul Ok , Yung Yi

Data inconsistencies are present in the data collected over a large wireless sensor network (WSN), usually deployed for any kind of monitoring applications. Before passing this data to some WSN applications for decision making, it is…

Distributed, Parallel, and Cluster Computing · Computer Science 2011-11-15 Abhishek Kr. Singh , Bollibisai Giridhar , Partha Sarathi Mandal
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