DŠ

Dina Šimunić

University of Zagreb

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Tanuja Satish Dhope

Bharati Vidyapeeth Deemed University

Ramjee Prasad

Delft University of Technology

Paul Wach

Virginia Tech

Damir Zrno

University of Zagreb

Werner Renhart

Graz University of Technology

Rudolf Stollberger

Graz University of Technology

Ashok M. Kanthe

Savitribai Phule Pune University

Ivica Pavić

University of Zagreb

Kamran Sayrafian

National Institute of Standards and Technology

Antun Kerner

University of Zagreb

Cooperative Institutions

State of The Art

Zimmer Biomet (Netherlands)

University of Zagreb

Rudjer Boskovic Institute

Faculty of Electrical Engineering and Computing in Zagreb

University of Rijeka

Software (Spain)

Croatian Academic and Research Network

Algebra University College

Ericsson (Croatia)

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Innovation and Technical Standardization Documents

Springer eBooks (2020)

Dina Šimunić Ivica Pavić

Technical standard

Open standard

10.1007/978-3-030-44417-4_4

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Supranational Innovation and Standards Circles

Springer eBooks (2020)

Dina Šimunić Ivica Pavić

Position (finance)

10.1007/978-3-030-44417-4_7

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Towards a self-organizing network: An algorithm

J. Seljan Dina Šimunić Goran Dimić B. Vrandecic

In this work we deal with the Achilles' heel of wireless sensor networks - energy efficient operation. By a combined MAC/physical layer attack on the issues contributing to energy overhead, we demonstrate the possibility of reducing the overall power consumption in a relatively straight-forward way without severe alteration of common communication protocols. Results of simulations of networks using the proposed scheme are shown, partially validating the crucial ideas behind it.

10.1109/mipro.2015.7160341

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A Comprehensive Study of the Impact of Beacon Order and Superframe Order Values on Quality of Service in Multi-hop Wireless Networks on IEEE 802.15.4

Wireless Personal Communications (2018)

Vjekoslav-Leonard Prčić Damir Kalpić Dina Šimunić Ramjee Prasad

Superframe

IEEE 802.15

Network Performance

10.1007/s11277-018-6025-6

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Citations (3)

Real-time urban transportation service tracking and monitoring

International Convention on Information and Communication Technology, Electronics and Microelectronics (2011)

K. Hausknecht Dina Šimunić Shehryar Khan Afridi

In today's corporate world, many small businesses, as well as big commercial companies, manage small or large number of vehicles on which their business depends on. One of the main factors in leading an efficient business proved to be commanding a fleet of vehicles in the best and most efficient way. This basically means providing the route, which takes the shortest trip time from point A to point B with the lowest gas consumption. The biggest expenditure for these kinds of companies is the cost of gas, due to its large consumption and abuse. To lower expenses connected with time of travel and gas usage, GPS tracking is the best way to go. By using OpenGTS system, companies are immediately provided with the tool which is enabling them to have an overview of the whole state of their fleet of vehicles, their position, driving speed, their previous speeds and stops, routes they are driving and many more. Also, it automatically provides a security system that will keep the fleet safe. This paper will provide an overview of the open source OpenGPS Tracking System, all of its requirements and possibilities, and present them on a simulation of real-time urban transportation monitoring.

Fleet Management

Position (finance)

Consumption

Tracking system

Source

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Simulation of energy efficient telecommunication network

Goran Dimić J. Seljan Dina Šimunić

Energy efficiency in these days is as it should be, a part of every scientific research, especially in electronic communications in which it holds a notably significant role. When it comes to electronic communications, what matters is that the network is efficient not only for environmental reasons but for economical, as well. In telecommunication network, control of all the network aspects is crucial, because an inadequate control could easily end up with energy's over-usage. This paper presents a simulation of basic energy network components, which is a part of the project "Information and Communication Technology for Generic and Energy-efficient Communication Solutions with Application in e-/m-Health" (ICTGEN). The growing importance of ICT in everyday life such as the one of communication devices surrounding us, has lead us to bigger impact in using ICT equipment globally.

Telecommunications equipment

Everyday Life

10.1109/mipro.2015.7160328

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Analyzing the Performance of Spectrum Sensing Algorithms for IEEE 802.11 af Standard in Cognitive Radio Network

Studies in Informatics and Control (2012)

Tanuja Satish Dhope Dina Šimunić Antun Kerner

In the entire world the wireless communication systems are represented by 2G and 3G systems with all stages of evolution towards 4G systems.The complexity of wireless networks requires a careful design, especially related to bandwidth and energy efficiency.Bandwidth efficiency is very important parameter, because it relates to frequency spectrum, which is a natural limited resource.The cognitive radio has been proposed as the future technology to meet the ever increasing demand of the radio spectrum by allocating the spectrum dynamically to allow unlicensed access on noninterfering basis.The digital dividend of 700MHz band (mainly used by TV broadcast services) opens the door for cognitive radio applications due to its excellent propagation characteristics compared to GSM 1800 MHz, 2.1 GHz or 2.5 GHz bands.In cognitive radio, spectrum sensing is the fundamental problem.In this paper we are analyzing the performance of spectrum sensing algorithms; energy detection and covariance absolute value utilizing TV white space for IEEE 802.11 af standard.

10.24846/v21i1y201211

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Citations (8)

Challenges of eWALL Wireless Interoperability

Wireless Personal Communications (2016)

Antonija Marinčić Dina Šimunić Ramjee Prasad

Wireless WAN

Municipal wireless network

Wireless site survey

10.1007/s11277-016-3840-5

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Currents in the human body induced by time varying magnetic fields in MRI-FE simulation

Paul Wach Dina Šimunić Werner Renhart Rudolf Stollberger

The finite element method was applied in order to calculate current densities in the human torso induced by switched gradients of the magnetic field during MRI. The region of the heart muscle was in the focus of interest, because it is well-known that low-frequency currents could cause a stimulation process in human excitable tissues. Possible stimulation of the heart muscle or inducing the even more dangerous state of ventricular fibrillation can be fatal for the human being. Therefore the values of induced current densities were calculated in the heart muscle. An attempt was made to consider the influence of the current waveform. Finally, the obtained values were compared to the existing recommendations in the field.

Torso

Human heart

Biomagnetism

10.1109/iembs.1995.575203

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Determination of stimulation hazard for heard cells during MRI using FEM simulation

Dina Šimunić Paul Wach Werner Renhart Rudolf Stollberger Z. T. Koren

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