Search Results - "Messiha, Nagy W."
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Fair subcarrier-power allocation scheme for multiuser multicarrier systems
Published in Journal of Central South University (01-08-2015)“…The main objective of multiuser orthogonal frequency division multiple access (MU-OFDM) is to maximize the total system capacity in wireless communication…”
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Journal Article -
2
Efficient user pairing algorithm for enhancement of spectral efficiency and interference cancelation in downlink NOMA system
Published in Wireless networks (01-02-2021)“…A new subcarrier-user allocation algorithm for the downlink non-orthogonal multiple access system is presented in this paper. The proposed algorithm aims to…”
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Journal Article -
3
Efficient anomaly detection from medical signals and images with convolutional neural networks for Internet of medical things (IoMT) systems
Published in International journal for numerical methods in biomedical engineering (01-01-2022)“…Deep learning is one of the most promising machine learning techniques that revolutionalized the artificial intelligence field. The known traditional and…”
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Journal Article -
4
Efficient anomaly detection from medical signals and images
Published in International journal of speech technology (01-09-2019)“…Anomaly detection is a very vital area in medical signal and image processing due to its importance in automatic diagnosis. This paper presents three efficient…”
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Journal Article -
5
Chaotic encryption of speech signals
Published in International journal of speech technology (01-12-2011)“…This paper introduces a speech encryption approach, which is based on permutation of speech segments using chaotic Baker map and substitution using masks in…”
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Journal Article -
6
Electromagnetic Field Measurement Instruments: Survey
Published in Iranian journal of science and technology. Transactions of electrical engineering (01-07-2019)“…The danger of human exposure to electromagnetic fields (EMFs) is a vital phenomenon to be studied. There are a lot of competing radio and microwave…”
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Journal Article -
7
Subcarrier Gain Based Power Allocation in Multicarrier Systems
Published in Journal of Telecommunications and Information Technology (30-03-2014)“…The Orthogonal Frequency Division Multiplexing (OFDM) transmission is the optimum version of the multicarrier transmission scheme, which has the capability to…”
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Journal Article -
8
Migration of Legacy Industrial Automation Systems in the Context of Industry 4.0- A Comparative Study
Published in 2019 International Conference on Fourth Industrial Revolution (ICFIR) (01-02-2019)“…Automation systems are driven by industrial requirements such as sustainability, flexibility, efficiency and competitiveness. Those in turn are driven by a…”
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Conference Proceeding -
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Performance of a LTE system employing practical cognitive femtocells
Published in 2017 34th National Radio Science Conference (NRSC) (01-03-2017)“…Combined with the cognitive femtocells, LTE can serve the indoor users. Thanks to the cognitive capabilities of the femtocells, no mutual electromagnetic…”
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Conference Proceeding -
10
Efficient subcarrier-power allocation scheme for multiuser OFDM systems
Published in 2014 International Conference on Engineering and Technology (ICET) (01-04-2014)“…Multiuser Orthogonal Frequency Division Multiplexing (MU-OFDM) is a promising technique for achieving high total capacities in wireless communication systems…”
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Conference Proceeding -
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C10. Haar Wavelet Image Compression Algorithm (HW-JPEG2000)
Published in 2015 32nd National Radio Science Conference (NRSC) (01-03-2015)“…One of the popular image compression algorithms is Joint Photographic Experts Group 2000 (JPEG2000). It is based on Discrete Wavelet Transform (DWT). The…”
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Conference Proceeding -
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Proposed hierarchical routing protocol with simple nodes locating algorithm for authenticated nodes in wireless sensor network
Published in 2014 International Conference on Engineering and Technology (ICET) (01-04-2014)“…This paper introduces a hierarchical routing protocol with proposed node locating algorithm and high security level in the case of fixed and mobile nodes. With…”
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Conference Proceeding -
13
Design and simulation of microwave diplexer based on D-CRLH metamaterials
Published in 2014 International Conference on Engineering and Technology (ICET) (01-04-2014)“…In this paper, we propose a design of diplexer based on Dual Composite Right-Left Handed metamaterial (D-CRLH-MTM). The diplexer is practically a 3 port…”
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Conference Proceeding -
14
Chaotic encryption of speech signals in transform domains
Published in 2009 International Conference on Computer Engineering & Systems (01-12-2009)“…A speech encryption system based on substitution and permutation is described. The stream of speech segments is divided and reshaped into two fixed size blocks…”
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Conference Proceeding -
15
CRLH ZOR metametrial, design, simulation and fabrication
Published in 2013 Second International Japan-Egypt Conference on Electronics, Communications and Computers (JEC-ECC) (01-12-2013)“…In this article, a survey about ZOR is illustrated and its characteristics are investigated in a detailed manner. The fabrication process has been presented to…”
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Conference Proceeding -
16
Random encryption of speech signal
Published in 2009 International Conference on Computer Engineering & Systems (01-12-2009)“…This paper presents an analog speech cryptosystem based on permutation and substitution of speech segments. Permutations processes and substitutions masks are…”
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Conference Proceeding