N recent years, unmanned aerial vehicle (UAV)-assisted communication systems have at-tracted increasing attention for supporting the seamless coverage in the beyond fifth
Based on the proposed channel model, we formulate the joint optimization problem of UAV three-dimensional (3-D) positioning and resource allocation, by power allocation, user
Abstract—The emerging concept of 3D networks, integrating terrestrial, aerial, and space layers, introduces a novel and complex structure characterized by stations relaying
The literature has several high quality surveys that analyze UAV-assisted communication networks from various standpoints. For instance, Zhang et al. in [24] present a
Recently, unmanned aerial vehicles (UAVs) have been reported a lot as aerial base stations (BSs) to assist wireless communication in Internet of Things (IoT). However, most
SoftBank Corp. (TOKYO: 9434) is promoting a “Ubiquitous Transformation” (UTX) for communications—an aim to create a world where people can stay connected anytime and
Unmanned aerial vehicles (UAVs), also named as drones, have become a modern model to provide a quick wireless communication infrastructure. They have been used when
Channel theory is a fundamental theory of wireless communications. The sixth generation (6G) and beyond 6G (B6G) wireless communication networks are expected to
A technology of three-dimensional positioning and three base stations, which is applied in the field of positioning and navigation, can solve the problems of large hardware resource
This article investigates a communication system assisted by multiple UAV-mounted base stations (BSs), aiming to minimize the number of required UAVs and to improve
The European photovoltaic container market is experiencing significant growth in Central and Eastern Europe, with demand increasing by over 350% in the past four years. Containerized solar solutions now account for approximately 45% of all temporary and mobile solar installations in the region. Poland leads with 40% market share in the CEE region, driven by construction site power needs, remote industrial operations, and emergency power applications that have reduced energy costs by 55-65% compared to diesel generators. The average system size has increased from 30kW to over 200kW, with folding container designs cutting transportation costs by 70% compared to traditional solutions. Emerging technologies including bifacial modules and integrated energy management have increased energy yields by 20-30%, while modular designs and local manufacturing have created new economic opportunities across the solar container value chain. Typical containerized projects now achieve payback periods of 3-5 years with levelized costs below $0.08/kWh.
Containerized energy storage solutions are revolutionizing power management across Europe's industrial and commercial sectors. Mobile 20ft and 40ft BESS containers now provide flexible, scalable energy storage with deployment times reduced by 75% compared to traditional stationary installations. Advanced lithium-ion technologies (LFP and NMC) have increased energy density by 35% while reducing costs by 30% annually. Intelligent energy management systems now optimize charging/discharging cycles based on real-time electricity pricing, increasing ROI by 45-65%. Safety innovations including advanced thermal management and integrated fire suppression have reduced risk profiles by 85%. These innovations have improved project economics significantly, with commercial and industrial energy storage projects typically achieving payback in 2-4 years through peak shaving, demand charge reduction, and backup power capabilities. Recent pricing trends show standard 20ft containers (200kWh-800kWh) starting at €85,000 and 40ft containers (800kWh-2MWh) from €160,000, with flexible financing including lease-to-own and energy-as-a-service models available.