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Tri Budi Santoso, Endang Widjiati, Wirawan Wirawan, Gamantyo Hendrantoro
Pág. 137 - 150
Understanding of channel propagation characteristics is a key to the optimal design of underwater acoustic communication. Generally, modelling of underwater acoustic channel is performed based on measurement result in certain site at certain times. Diffe...
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Duje Coko,Dinko Begu?ic,Zoran Bla?evic
Pág. 74 - 78
The ultra-wideband wireless personal area networks are expected to be most commonly employed in desktop environments. This paper presents a measurement campaignconducted on a typical office desk. A pair of omnidirectionalUWB antennas and a vector network...
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Júlio César Medeiros Diniz, Francesco Da Ros and Darko Zibar
We present an analysis of clock recovery algorithms in both polarization division multiplexing systems and mode division multiplexing systems. The impact of inter-polarization time skew and polarization mode dispersion in single-mode fibers, as well as t...
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Júlio César Medeiros Diniz, Francesco Da Ros and Darko Zibar
We present an analysis of clock recovery algorithms in both polarization division multiplexing systems and mode division multiplexing systems. The impact of inter-polarization time skew and polarization mode dispersion in single-mode fibers, as well as t...
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Usman Ali, Giuseppe Caso, Luca De Nardis, Konstantinos Kousias, Mohammad Rajiullah, Özgü Alay, Marco Neri, Anna Brunstrom and Maria-Gabriella Di Benedetto
The successful rollout of fifth-generation (5G) networks requires a full understanding of the behavior of the propagation channel, taking into account the signal formats and the frequencies standardized by the Third Generation Partnership Project (3GPP)....
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Christopher Gribben and Hyunkook Lee
The perceptual effects of interchannel decorrelation on perceived image spread have been investigated subjectively in both horizontal and vertical stereophonic reproductions, looking specifically at the frequency dependency of decorrelation. Fourteen and...
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Silvia Ferrarese, Davide Bertoni, Alessio Golzio, Luca Lanteri, Claudia Pelosi and Alessandro Re
This work presents the results of a microclimatic analysis in the church of San Panfilo in Tornimparte, in the Abruzzo region, Italy. The church of San Panfilo, dating from the XII?XIII century, preserves in the presbytery some marvelous frescoes of Satu...
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Linnea Wickström Östervall,Annika Hahlin,Astrid Lundevall
Prudent use of antibiotics is important to delay the spread of resistance. This paper analyses the effect on children?s antibiotics use of a reform of the temporary parental benefit in Sweden. The reform increased the maximum compensation for this benefi...
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Mohamed Lassaad Ammari
Pág. 52 - 58
In this paper, we consider the transmission of turbo coded symbols in the indoor radio environment. The system isaffected by the intersymbol interference (ISI) caused by the multipath time-delay spread of the transmission medium. To reduce the channel ef...
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Manli Li and Hua Zhang
The Alligator Gar (Atractosteus spatula) is a very dangerous species that has an extremely destructive impact on the ecological environment in aquatic areas. As a kind of ornamental fish, it is spreading rapidly all over the world. In order to avoid or d...
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Patricia Takako Endo, Guto Leoni Santos, Maria Eduarda de Lima Xavier, Gleyson Rhuan Nascimento Campos, Luciana Conceição de Lima, Ivanovitch Silva, Antonia Egli and Theo Lynn
Public health interventions to counter the COVID-19 pandemic have accelerated and increased digital adoption and use of the Internet for sourcing health information. Unfortunately, there is evidence to suggest that it has also accelerated and increased t...
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Yujie Yuan, Yantao Wang, Xiushan Jiang and Chun Sing Lai
The novel coronavirus outbreak has significantly heightened environmental costs and operational challenges for civil aviation airlines, prompting emergency airport closures in affected regions and a substantial decline in ridership. The consequential nee...
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Ramson Munyaradzi Nyamukondiwa, Necmi Cihan Orger, Daisuke Nakayama and Mengu Cho
The atmospheric total water vapor content (TWVC) affects climate change, weather patterns, and radio signal propagation. Recent techniques such as global navigation satellite systems (GNSS) are used to measure TWVC but with either compromised accuracy, t...
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Naveed Ur Rehman Junejo, Mariyam Sattar, Saifullah Adnan, Haixin Sun, Abuzar B. M. Adam, Ahmad Hassan and Hamada Esmaiel
In the past decades, researchers/scientists have paid attention to the physical layer of underwater communications (UWCs) due to a variety of scientific, military, and civil tasks completed beneath water. This includes numerous activities critical for co...
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Junke Xu, Jiwei Zhu and Jiancang Xie
The risk transmission mechanisms of urban river ecological management engineering projects are examined in this study. Using the Susceptible Exposed Infectious Recovered Susceptible (SEIRS) model for risk transmission, a model of risk propagation delay f...
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Indrakshi Dey and Nicola Marchetti
In this paper, we develop a tractable mathematical model and an emulation framework for communicating information through water using acoustic signals. Water is considered one of the most complex media to model due to its vastness and variety of characte...
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Nusrat Afrin, Jason Brown and Jamil Y. Khan
The prominence of Machine-to-Machine (M2M) communications in the future wide area communication networks place various challenges to the cellular technologies such as the Long Term Evolution (LTE) standard, owing to the large number of M2M devices genera...
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Changzhen Li, Junyi Yu, Jie Xue, Wei Chen, Shoufeng Wang and Kun Yang
For a long time, the development of maritime communication has been restricted by the low data rate, high-latency and high cost of the current communication systems. The upgrade of new generation mobile communication technologies is attracting more and m...
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Azadeh Hojat, Maddalena Ferrario, Diego Arosio, Marco Brunero, Vladislav Ivov Ivanov, Laura Longoni, Andrea Madaschi, Monica Papini, Greta Tresoldi and Luigi Zanzi
We present the results of laboratory experiments on a down-scaled river levee constructed with clayey material collected from a river embankment where a permanent resistivity instrument has operated since 2015. To create potential seepages through the le...
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Pedro Perez-Murueta, Alfonso Gómez-Espinosa, Cesar Cardenas and Miguel Gonzalez-Mendoza, Jr.
Delays in transportation due to congestion generated by public and private transportation are common in many urban areas of the world. To make transportation systems more efficient, intelligent transportation systems (ITS) are currently being developed. ...
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