Recently, the concern about energy efficiency in wireless communications has been growing rapidly. Manufacturers and researchers have developed innovative solutions, highlighting the benefits in reducing operational expenditures (OPEX) and carbon footprint. Professional Mobile Radio (PMR) systems, like Terrestrial Trunked Radio (TETRA), have been designed to provide voice and data services to p...

ii Explanatory note This draft guidance document was prepared by a group of experts as a joint project with ISO. The same document has been circulated within the ISO as a Working Draft (ISO TC 147/SC 5 N 18, ISO/WD 1) of " Water Quality – Guidance document on the statistical analysis of ecotoxicity data " .

This article aims to present an evaluation of the environmental performance a combustion polygeneration plant fed with lignocellulosic material from cardoon (Cynara cardunculus L.) through technique Life Cycle Assessment (LCA). The system boundaries encompassed macro-phases crop production, transportation, and processes that were able produce 100 kW electricity, residual thermal energy recovery...

Abstract Plastic waste management in Indonesia is relatively poorly implemented due to the limited number of recyclers. One most abundant plastic wastes multilayer metallized packaging (MLP). This study was conducted analyze environmental impacts MLP and bag conversion paving blocks (PVB) with a life cycle assessment approach aimed determine whether such process brings positive or negative surr...

With the aim of reducing environmental burden decentralized wastewater treatment plants in India, this project investigated five primary materials (stainless steel (SS), mild (MS), glass fibre reinforced polymer (GFRP), high density polyethylene (HDPE), and concrete cement (RCC)) terms relative impact that each would incur across 13 midpoint 4 endpoint categories during early life stages. The r...

Ecotoxicity testing is a crucial component of chemical risk assessment. Still, due to methodological difficulties related to controlling exposure concentrations over time, data on long-term effects of organic chemicals at low concentrations are limited. The aim of the present study was, therefore, to test the applicability of passive dosing to maintain stable concentrations of the organochlorin...

Cerium oxide nanoparticles (CeO 2 -NPs) are widely utilized in several areas such as; engineering, energy and biomedicine mainly due to the redox properties (Ce +3,+4,+5 ) indicating a reducing potential reduce oxidative stress organisms. Thus, conflicting articles on ecotoxicity of CeO -NPs have been published recent years, demonstrating protective effect oxidation organisms high toxicity. To ...

To improve the capacity and coverage of current cellular networks, many advanced technologies such as massive MIMO, inter-cell coordination, small cells, device-to-device communications, and so on, are under studying. Many proposed techniques have been shown to offer significant performance improvement. Thus, the enabler of those techniques is of great importance. That is the necessary signalin...

This paper presents the measurement results obtained in an extensive field test campaign developed in two large cities of Spain (Madrid and Bilbao) with the aim of characterizing the portable outdoor reception of digital terrestrial television (COFDM) and continue the studies carried out by the authors during the past years [1], [2].