Search Results - "Elkamchouchi, Hassan M."

Efficient and Secure Cancelable Biometric Authentication Framework Based on Genetic Encryption Algorithm by El-Shafai, Walid, Mohamed, Fatma A. Hossam Eldein, Elkamchouchi, Hassan M. A., Abd-Elnaby, Mohammed, Elshafee, Ahmed

“…Various cancelable biometric techniques have been proposed to maintain user data security. In this work, a cancelable biometric framework is introduced to…”
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A Cancelable Biometric Security Framework Based on RNA Encryption and Genetic Algorithms by Mohamed, Fatma A. Hossam Eldein, El-Shafai, Walid, Elkamchouchi, Hassan M. A., ELfahar, Adel, Alarifi, Abdulaziz, Amoon, Mohammed, Aly, Moustafa H., El-Samie, Fathi E. Abd, Singh, Aman, Elshafee, Ahmed

“…Cancelable biometric recognition techniques play a vital role in the privacy and security of remote surveillance systems to keep the genuine users'…”
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A novel circularly polarized slotted substrate integrated waveguide antenna array for satellite applications by Eid, Alla M., Salama, Amgad A., Elkamchouchi, Hassan M.

“…In this article, three novel slotted substrate integrated waveguide (SIW) antenna elements are demonstrated with different radiator configurations, namely, two…”
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An Octagon Antenna Array For Satellite Direct Broadcasting Reception During Moving by Eid, Alla M., Salama, Amgad A., Elkamchouchi, Hassan M.

“…In this paper, a novel octagon conformal antenna array has been presented. The proposed array characterize by lightweight, low cost, and a wide return loss…”
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Breast Cancer Classification Using Various CNN Models by Askar, Mariam M., Salama, Amgad A., Elkamchouchi, Hassan M., Al-Fahar, Adel M.

“…Breast cancer is one of the leading causes of death among women globally. Early detection of tumors is possible through breast imaging, which is the first step…”
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A novel wide bandwidth antenna array using slotted spiral SIW for satellite communications by Eid, Alla M., Salama, Amgad A., Elkamchouchi, Hassan M.

“…In this paper, we demonstrate a novel slotted substrate integrated waveguide (SIW) antennas with two arms archimedean antenna configuration. Additionally, its…”
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Frequency-Tunable Electrically Small Diversity Patch Antennas for Cognitive Radio Applications by Madany, Yasser M., Elkamchouchi, Hassan M., Abd-Elmonieum, Sara I.

“…Electrically small antennas (ESAs) are less efficient and more difficult to design than longer antennas. ESAs have been an integral part of communications…”
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Analysis for NOMA-CoMP-JT global precoding matrix and IRC receiver for LTE-A by Ahmed, Heba Raafat, Sourour, Essam, Elkamchouchi, Hassan M.

“…Non-orthogonal multiple access (NOMA) is considered a promising multiple access scheme in the fifth generation (5G). NOMA is used for improving spectrum…”
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A hybrid medical image cryptosystem based on 4D-hyperchaotic S-boxes and logistic maps by Ahmed, Sara M., M.A.Elkamchouchi, Hassan, Elfahar, Adel, El-Shafai, Walid, Mohamed, Amira G.

“…Privacy and confidentiality are essential for any patient-related information, including medical images. In this paper, a novel image encryption technique for…”
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Performance of joint transmission CoMP with global precoding matrix and IRC receiver for LTE-A by Ahmed, Heba Raafat, Sourour, Essam, Elkamchouchi, Hassan M.

“…Coordinated multi-point transmission and reception (CoMP) is one of the most important ways of mitigating interference and improving spectral efficiency for…”
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Dynamic selection for CoMP-JT over correlated MIMO channel with open loop precoding and IRC receiver for LTE-A by Ahmed, Heba Raafat, Sourour, Essam, Elkamchouchi, Hassan M.

“…This paper addresses the problem of Co-channel interference in the presence of fading correlation between transmit and receive antenna pairs. There are two…”
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Analysis and design of microstrip array antenna using SPDT-T/R Switch for MIMO antenna system applications by Madany, Yasser M., Elkamchouchi, Hassan M., Ahmed, Ashraf E.

“…Modern radio communication systems have to provide higher and higher data rates. As conventional methods like using more bandwidth or higher order modulation…”
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Investigation and design of smart distributed subarray MIMO (DS-MIMO) microstrip antenna system for receiving diversity applications by Madany, Yasser M., Elkamchouchi, Hassan M., Ahmed, Ashraf E.

“…Modern radio communication systems have to provide higher and higher data rates. Multiple antenna technologies (MATs) have gained much attention in the last…”
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Investigation and design of smart frequency agility control system using compact CRLH-TL for communication and radar applications by Madany, Yasser M., Elkamchouchi, Hassan M., Halim, Bishoy I.

“…Metamaterials is a rapidly evolving field of research that covers a vast range of artificial structures and electro-magnetic properties. Resulting from this,…”
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New encryption technique using the meaning of location algorithm by Elkamchouchi, Hassan M., Shawky, Mahmoud A., El Sawi, Ahmed R.

“…Encryption is widely used to ensure security in data storage and communication systems. This paper introduces a new concept for image encryption using a new…”
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Study and investigation of harmonics resonance frequency for embedded composite right / left handed transmission line (CRLH-TL) array and its application in microstrip antenna design by Madany, Yasser M., Elkamchouchi, Hassan M., Halim, Bishoy I.

“…Metamaterials represent a new paradigm in electromagnetic science and technology. They have already leaded to many unprecedented microwave applications, which…”
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Robust beamforming for LTE-uplink receiver by Elkamchouchi, Hassan M., Mohamed, Darwish A. E., Mohamed, Osama G., Ali, Wael A. E.

“…In this paper adaptive BeamForming (BF) is considered for a smart antenna system in the Long Term Evolution (LTE) uplink receiver (4G mobile communication…”
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Reduced complexity list sphere decoding for MIMO systems by El-Khamy, Mostafa, Medra, Mostafa, ElKamchouchi, Hassan M.

“…Depth-first sphere decoding of MIMO systems has near maximum likelihood performance with reasonable computational complexity. In this paper, lower complexity…”
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Direct data domain least squares (D3LS) STAP approach on signals from nonuniformly, semicircular and sinusoidal spaced arrays of real elements by Elkamchouchi, Hassan M, Mohamed, Darwish A E, Ali, Wael A E

“…In this paper, Space Time Adaptive Processing (STAP) applied on signal received from different configurations of real elements using D 3 LS. We are interested…”
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DOA Tracking in Multipath Environment based on the Direction Lock Loop by Diab, W.G., Elkamchouchi, H.M.

“…Smart antenna technology is strong candidate for the evolution of multiple access systems. Implementation of this technology for real-time operation is a…”
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