Results 71 to 80 of about 2,110 (193)

Trajectory Optimisation for UAV Data Collection in IoT‐Based WSN: A Lévy Flight‐Based Approach

IET Smart Cities, Volume 8, Issue 1, January/December 2026.
In large‐scale IoT and WSN deployments, data transmission to base stations is often limited by restricted network coverage, and drones can help extend connectivity by collecting data from cluster head nodes. This work proposes an energy‐efficient drone‐assisted data collection approach that jointly optimises system costs and energy consumption, taking ...
Hamayadji Abdoul Aziz, Ado Adamou Abba Ari, Emmanuel Baba, Khouloud Boukadi, Alidou Mohamadou, Zibouda Aliouat, Abdelhak Mourad Gueroui   +6 more
wiley   +1 more source

Research Progress on Coprime Array Signal Processing: Direction-of-Arrival Estimation and Adaptive Beamforming

Leida xuebao, 2019
Array signal processing is an essential tool in broad radar applications. The coprime array has recently been proposed to overcome the bottleneck caused by the Nyquist spatial sampling rate.
ZHOU Chengwei, ZHENG Hang, GU Yujie, WANG Yong, SHI Zhiguo   +4 more
doaj   +1 more source

An Acoustic Human-Machine Front-End for Multimedia Applications

EURASIP Journal on Advances in Signal Processing, 2003
A concept of robust adaptive beamforming integrating stereophonic acoustic echo cancellation is presented which reconciles the need for low-computational complexity and efficient adaptive filtering with versatility and robustness in real-world scenarios.
Herbordt Wolfgang, Buchner Herbert, Kellermann Walter   +2 more
doaj   +1 more source

SINR Maximizing Distributionally Robust Adaptive Beamforming

IEEE Transactions on Signal Processing
This paper addresses the robust adaptive beamforming (RAB) problem via the worst-case signal-to-interference-plus-noise ratio (SINR) maximization over distributional uncertainty sets for the random interference-plus-noise covariance (INC) matrix and desired signal steering vector.
Kiarash Hassas Irani, Yongwei Huang, Sergiy A. Vorobyov   +2 more
openaire   +3 more sources

Study of Robust Adaptive Beamforming Based on Low-Complexity DFT Spatial Sampling [PDF]

, 2021
Saeed Mohammadzadeh, Vítor H. Nascimento, Rodrigo C. de Lamare, Osman Kükrer   +3 more
openalex   +1 more source

Distributed Prediction-Enhanced Beamforming Using LR/SVR Fusion and MUSIC Refinement in 5G O-RAN Systems

Applied Sciences
Low-latency and robust beamforming are vital for sustaining signal quality and spectral efficiency in emerging high-mobility 5G and future 6G wireless networks.
Mustafa Mayyahi, Jordi Mongay Batalla, Jerzy Żurek, Piotr Krawiec   +3 more
doaj   +1 more source

Robust Adaptive Beamforming via Worst-Case SINR Maximization With Nonconvex Uncertainty Sets [PDF]

, 2023
Yongwei Huang, Hao Fu, Sergiy A. Vorobyov, Zhi‐Quan Luo   +3 more
openalex   +1 more source

Iterative Robust Capon Beamforming with Adaptively Updated Array Steering Vector Mismatch Levels [PDF]

, 2014
Tao Zhang, Liguo Sun
openalex   +1 more source

A Bio-Inspired Robust Adaptive Random Search Algorithm for Distributed Beamforming [PDF]

, 2010
Chia-Shiang Tseng, Chang-Ching Chen, Che Lin   +2 more
openalex   +1 more source

Efficient and Robust Adaptive Beamforming Based on Coprime Array Interpolation

Remote Sensing
Unlike uniform linear arrays (ULAs), coprime arrays require fewer physical sensors yet provide higher degrees of freedom (DOF) and larger array apertures.
Siming Chen, Xiaochuan Wu, Shujie Li, Weibo Deng, Xin Zhang   +4 more
doaj   +1 more source