Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Waleed Al-Hanafy"'
Autor:
Waleed Al-Hanafy, Stephan Weiss
Publikováno v:
The Scientific World Journal, Vol 2013 (2013)
We consider low cost discrete bit loading based on greedy power allocation (GPA) under the constraints of total transmit power budget, target BER, and maximum permissible QAM modulation order. Compared to the standard GPA, which is optimal in terms o
Externí odkaz:
https://doaj.org/article/a43809d112ad4bd9b7f698c814766316
Autor:
Walid El-Shafai, Amany Daosh, Nehad Haggag, Aya M. Gamal, Nevein Sadic, Yasser Mahrous, Fatma E. Ibrahim, Naglaa F. Soliman, Abeer D. Algarni, Ghada M. El-Banby, Mohamed R. Abdel-Rahman, Saeed A. Aldosari, Emad S. Hassan, Huda I. Ashiba, Eman A. Sultan, Waleed Al-Hanafy, Adel A. Saleeb, Adel S. El-Fishawy, El-Sayed M. El-Rabaie, Mohamed El-Halawany, Moawad I. Dessouky, Sami A. El Dolil, Nabil A. Ismail, Ibrahim M. Eldokany, Atef Abou Elazm, Fathi E. Abd El-Samie
Publikováno v:
Wireless Personal Communications. 129:1-35
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::36eea53ffd8bdee3d62d766bde54aa16
https://doi.org/10.1007/s11277-022-09491-7
https://doi.org/10.1007/s11277-022-09491-7
Autor:
Y. M. Abd El-Hameed, Waleed Al-Hanafy, huda I. ashiba, adel Saleeb, adel .S El-Fishawy, Ghada El-Banby, Eman Soltan, Fathi E. Abd El-Samie
This paper presents an enhancement method to deal with the medical images which have low resolution as corneal images that have hexagonal nature and contain edges which must be preserved. So its resolution should be increased to help ophthalmologists
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8258b779c8f1d6cd5ef762d85f5703c7
https://doi.org/10.21203/rs.3.rs-2650896/v1
https://doi.org/10.21203/rs.3.rs-2650896/v1
Autor:
Naglaa F. Soliman, Abeer D. Algarni, Said Eldosary, Huda Ashiba, Aya M. gamal, Sayed El-Rabaie, Nevien Sadik, Walid El-Shafai, Adel S. El-Fishawy, M. M. El-Halawany, Mohamad R. Abdelrahman, Emad S. Hassan, Waleed Al-Hanafy, Ghada M. El Banby, Ibrahim M. Eldokany, Moawad I. Desouky, Eman Soltan, Nabil A. Ismail, Fathi E. Abd El-Samie, Amany Daosh, Fatma Ibrahim, Yasser Mahrous, Nehad Haggag, Sami A. El-Dolil, Adel A. Saleeb
In this paper, we present hybrid watermarking and error control techniques for reliable cornea and infrared frame communication through wireless networks in Internet of Things (IoT) applications. In the proposed watermarking technique, two stages of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::863c5e5464cfccc30b3d481af7543149
https://doi.org/10.21203/rs.3.rs-276267/v1
https://doi.org/10.21203/rs.3.rs-276267/v1
Autor:
Waleed Al-Nuaimy, Ghada M. El-Banby, Moawad I. Dessouky, Ibrahim M. Eldokany, Fathi E. Abd El-Samie, Zeinab Elsherbeeny, Walid El-Shafai, Yasser Mahrous, Safey A. S. Abdelwahab, Adel S. El-Fishawy, Nagy W. Messiha, Ashraf A. M. Khalaf, Mohamad Rihan, Fatma Ibrahim, Nam Sung Kim, Abeer D. Algarni, Nehad Haggag, Waleed Al-Hanafy, Adel A. Saleeb, Ali A. Khalil, Ahmad Seddik, Ki-Chul Kwon, Eman Soltan, Mohammed Y. Abbass, El-Sayed M. El-Rabaie, Naglaa F. Soliman
In the field of Artificial Intelligence (AI), deep learning is a method falls in the wider family of machine learning algorithms that works on the principle of learning. Convolutional Neural Networks (CNNs) can be used for pattern recognition from di
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0d4362cd266fba04f6f9779426a96e3d
https://doi.org/10.21203/rs.3.rs-17004/v1
https://doi.org/10.21203/rs.3.rs-17004/v1
Autor:
Sami A. El-Dolil, El-Sayed M. El-Rabaie, Naglaa F. Soliman, Yasser Albagory, Waleed Al-Hanafy, Abdel Hamid A. M. Shaalan, Said E. El-Khamy, Mohammed M. Fouad, Saleh A. Alshebeili, Fathi E. Abd El-Samie, Mohsen A. M. El-Bendary, Emad S. Hassan, Moawad I. Dessouky
Publikováno v:
Wireless Personal Communications. 83:2773-2834
In this paper, a proposed method for Peak-to-Average Power Ratio (PAPR) reduction of Orthogonal Frequency Division Multiplexing (OFDM) signals based on discrete transforms is presented for robust image communication. One of the discrete transforms su
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6edc0a051edea01ecf36b653208fa0ea
https://doi.org/10.1007/s11277-015-2568-y
https://doi.org/10.1007/s11277-015-2568-y
Autor:
M. Abd-Elnaby, Najib A. Odhah, Saleh A. Alshebeili, Fathi E. Abd El-Samie, Emad S. Hassan, Waleed Al-Hanafy, Moawad I. Dessouky
Publikováno v:
Wireless Personal Communications. 80:51-69
Radio resource allocation to the system users is the key challenge issue in multi-user orthogonal frequency division multiplexing (MU-OFDM) systems. In this paper, an efficient and low-complexity proportional rate-adaptive radio resource (sub-carrier
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4bd288985528c3f6ed3f9a4aeaefa296
https://doi.org/10.1007/s11277-014-1994-6
https://doi.org/10.1007/s11277-014-1994-6
Autor:
B. M. Sallam, Faisal S. Al-kamali, F. Shawki, Moawad I. Dessouky, Fathi E. Abd El-Samie, Waleed Al-Hanafy
Publikováno v:
IEEE Transactions on Wireless Communications. 11:869-873
Due to their noise amplification, conventional Zero-Forcing (ZF) equalizers are not suited for interference-limited environments such as the Single-Carrier Frequency Division Multiple Access (SC-FDMA) in the presence of Carrier-Frequency Offsets (CFO
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f917e11ae021381bc6abbdac031194af
https://doi.org/10.1109/twc.2012.012412.100789
https://doi.org/10.1109/twc.2012.012412.100789
Publikováno v:
Journal of Signal and Information Processing. :185-191
In this paper, an enhanced greedy bit and power allocation algorithms for orthogonal frequency division multiplexing (OFDM) communication systems are introduced. These algorithms combine low complexity greedy power allocation algorithms with a simpli
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::39c75ce6d500be87f7682ffe853731a7
https://doi.org/10.4236/jsip.2012.32025
https://doi.org/10.4236/jsip.2012.32025
Autor:
Stephan Weiss, Waleed Al-Hanafy
Publikováno v:
The Scientific World Journal
The Scientific World Journal, Vol 2013 (2013)
The Scientific World Journal, Vol 2013 (2013)
We consider low cost discrete bit loading based on greedy power allocation (GPA) under the constraints of total transmit power budget, target BER, and maximum permissible QAM modulation order. Compared to the standard GPA, which is optimal in terms o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4f59349f6dec96e080432b83a65eda86