Spatial Coordination Strategies in Future Ultra-Dense Wireless Networks
, 2014 Ultra network densification is considered a major trend in the evolution of cellular networks, due to its ability to bring the network closer to the user side and reuse resources to the maximum extent.
Alexiou, Angeliki +2 more
core +1 more source
Energy efficient coordinated beamforming for multi-cell MISO systems [PDF]
2013 IEEE Global Communications Conference (GLOBECOM), 2013 6 pages, 2 figures, to be presented in IEEE GLOBECOM ...
Huang, Yi, Xu, Jie, Qiu, Ling
openaire +2 more sources
Terahertz Channel Modeling, Estimation and Localization in RIS‐Assisted Systems
Advanced Electronic Materials, EarlyView.Reconfigurable intelligent surfaces have become a recent intensive research focus. Based on practical applications, channel strategies for RIS‐assisted terahertz wireless communication systems are categorized into three different types: channel modeling, channel estimation, and channel localization.
Hongjing Wang +9 more
wiley +1 more source
Multicell Coordinated Beamforming with Rate Outage Constraint--Part I: Complexity Analysis
, 2014 This paper studies the coordinated beamforming (CoBF) design in the multiple-input single-output interference channel, assuming only channel distribution information given a priori at the transmitters.
Chang, Tsung-Hui +2 more
core +1 more source
Recent Advances in Programmable Metasurfaces and Meta‐Devices
Advanced Electronic Materials, EarlyView.Programmable metasurfaces enable various novel functionalities by dynamically tuning electromagnetic wavefronts. This article provides a comprehensive review of recent advances in microwave and terahertz programmable metasurfaces, covering electrical, thermal, optical, and mechanical control mechanisms.
Linda Shao +4 more
wiley +1 more source
Asynchronous Distributed Coordinated Hybrid Precoding in Multi-Cell mmWave Wireless Networks
IEEE Open Journal of Vehicular TechnologyAsynchronous distributed hybrid beamformers (ADBF) are conceived for minimizing the total transmit power subject to signal-to-interference-plus-noise ratio (SINR) constraints at the users. Our design requires only limited information exchange between the
Meesam Jafri +4 more
doaj +1 more source
Large-Scale Convex Optimization for Dense Wireless Cooperative Networks
, 2015 Convex optimization is a powerful tool for resource allocation and signal processing in wireless networks. As the network density is expected to drastically increase in order to accommodate the exponentially growing mobile data traffic, performance ...
Letaief, Khaled B. +3 more
core +2 more sources
Multi-Agent Coordination for Distributed Transmit Beamforming
, 2019 This paper presents the formulation and analysis of a two time-scale optimization algorithm for multi-agent coordination for the purpose of distributed beamforming. Each agent is assumed to be randomly positioned with respect to each other with random phase offsets and amplitudes.
George, Jemin, Parayil, Anjaly, Bai, He
openaire +2 more sources
Massive MIMO Multicast Beamforming via Accelerated Random Coordinate Descent [PDF]
ICASSP 2019 - 2019 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2019 IEEE ICASSP'19, Brighton, UK, May ...
Wang, Shuai +3 more
openaire +2 more sources
Context Awareness and Human–Robot Interaction Optimization for Museum Intelligent Guide Robot
Advanced Intelligent Systems, EarlyView.This study presents a context‐aware human–robot interaction framework designed for intelligent museum guide robots. The system features a three‐layer architecture—perception, understanding, and behavior execution—that enables adaptive and meaningful interactions with museum visitors.
Anna Zou, Yue Meng, Shijing Tong
wiley +1 more source