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Selmi Sawsan,Bouallègue Ridha
Pág. 57 - 65
4G is now deployed all over the world, but requirements are about to change rapidly face to the exponential growth on devices number, local service applications and spectrum scarce. To deal with that, 5G networks integrated Device To Device (D2D) communi...
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Jia Yu, Shinsuke Konaka, Masatake Akutagawa and Qinyu Zhang
Energy efficiency and spectrum efficiency are the most important issues for future mobile systems. Heterogeneous networks (HetNets) with coordinated multiple points (CoMP) are wildly approved as a promising solution to meet increasing demands of mobile d...
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Byung Moo Lee and Youngok Kim
Due to the continuous increase in data demanded by end-users, an energy-efficient base station (BS) is a vital topic of interest that would not only result in a substantial economic impact on service providers, but would also reduce the carbon footprint ...
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Cuiran Li, Yongjie Lu, Jianli Xie and Zepeng Zhang
This paper proposes an intelligent reflecting surface (IRS)-assisted energy efficiency optimization algorithm to address the problem of energy efficiency (EE) degradation in high-speed rail communication systems caused by line-of-sight link blockages bet...
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Ziwei Yuan, Yanping Yang, Dong Wang and Xiaoping Ma
Low-altitude cellular-enabled Unmanned Aerial Vehicles (UAVs) provide potential supplementary platforms to assist air-to-ground cooperative communication. This paper investigates a joint safety information interaction scheme for a UAV-enabled network, wh...
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L.A Botes, W. Booysen, M.J. Mathews, M. Kleingeld
Tax incentives are one of the methods used by the South African government to incentivise energy efficiency. One of these incentives is Section 12L of the Income Tax Act (1962), which allows a significant tax deduction as a result of quantifiable energy ...
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Jie Yang, Ziyu Pan, Hengfei Xu and Han Hu
Heterogeneous cellular networks (HCNs) have emerged as the primary solution for explosive data traffic. However, an increase in the number of base stations (BSs) inevitably leads to an increase in energy consumption. Energy efficiency (EE) has become a f...
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Alexis Pérez Fargallo, Vicente Flores Alés, José María Calama Rodríguez
Pág. 44 - 50
Energy efficiency in the residential sector is one of the priorities of theEuropean Union. It is estimated to achieve an energy saving of 27% in thegroup of buildings in the residential sector in the EU countries by 2020through the directives issued by t...
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Soren Wandahl, Christina T. Pérez, Stephanie Salling, Hasse H. Neve, Jon Lerche, Steffen Petersen
The European Green Deal's Renovation Wave aims to renovate 35 million energy-inefficient buildings to reduce carbon dioxide (CO2) emissions by at least 55% by 2030. Historically, efforts to reduce CO2 emissions focused on Operational Energy (OE) of the f...
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Soren Wandahl, Christina T. Pérez, Stephanie Salling, Hasse H. Neve, Jon Lerche, Steffen Petersen
The European Green Deal's Renovation Wave aims to renovate 35 million energy-inefficient buildings to reduce carbon dioxide (CO2) emissions by at least 55% by 2030. Historically, efforts to reduce CO2 emissions focused on Operational Energy (OE) of the f...
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Soren Wandahl, Christina T. Pérez, Stephanie Salling, Hasse H. Neve, Jon Lerche, Steffen Petersen
The European Green Deal's Renovation Wave aims to renovate 35 million energy-inefficient buildings to reduce carbon dioxide (CO2) emissions by at least 55% by 2030. Historically, efforts to reduce CO2 emissions focused on Operational Energy (OE) of the f...
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Prince Semba Yawada and Mai Trung Dong
In recent years, there has been a rapid evolution of wireless technologies that has led to the challenge of high demand for spectral resources. To overcome this challenge, good spectrum management is required that calls for more efficient use of the spec...
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Beatriz Arguilé-Pérez, Américo Soares Ribeiro, Xurxo Costoya, Maite deCastro, Pablo Carracedo, João Miguel Dias, Liliana Rusu and Moncho Gómez-Gesteira
The wave power resource (WP) was calculated along the Galician coast (NW Spain) over the period 2014?2021 using high spatial resolution hourly data from the SWAN model. In addition, the electrical energy (PE) that can be extracted for a particular wave e...
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Husam Rajab, Fatma Benkhelifa and Tibor Cinkler
The new era of IoT brings the necessity of smart synergy for diverse communication and computation entities. The two extremes are, on the one hand, the 5G Ultra-Reliable Low-Latency Communications (URLLC) required for Industrial IoT (IIoT) and Vehicle Co...
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Yonghong Chen, Lei Xun and Shibing Zhang
In order to decrease energy consumption caused by the dense deployment of pico base stations (PBSs) in heterogeneous cellular networks (HetNets), this paper first analyzes the energy efficiency (EE) of two-tier HetNets and then proposes a method to maxim...
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Subhra Sankha Sarma, Ranjay Hazra and Peter Han Joo Chong
Enabling D2D communication in the mmWave band has many obstacles that must be mitigated. The primary concern is the introduction of interference from various sources. Thus, we focused our work on the performance of decode-and-forward (DF) relay-assisted ...
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Huifang Pan and Qi Zhu
In this paper, to maximize the energy efficiency (EE) in the two-hop multi-relay cooperative decoding and forwarding (DF) system for simultaneous wireless information and power transmission (SWIPT), an optimal power allocation algorithm is proposed, in w...
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Yemao Man, Tobias Sturm, Monica Lundh and Scott N. MacKinnon
The shipping industry constantly strives to achieve efficient use of energy during sea voyages. Previous research that can take advantages of both ethnographic studies and big data analytics to understand factors contributing to fuel consumption and seek...
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Byung Moo Lee and Youngok Kim
It is well known that large scale multiple-input multiple-output (LS-MIMO) systems are very attractive technology to increase both spectral efficiency (SE) and energy efficiency (EE). However, one of big obstacles to the realization of the LS-MIMO system...
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Xinhua Wang, Yan Yang and Jinlu Sheng
In this paper, an energy efficient power allocation scheme is proposed for a distributed massive multiple-input multiple-output (MIMO) system with a circular antenna array. Single-antenna users simultaneously transmit signal to the base station (BS) with...
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