Elie Inaty

University of Balamand | UOB · Department of Computer Engineering

Motivated by the six generation (6G) system’s stringent latency and throughput requirements, we propose a high performance dynamic bandwidth allocation (DBA) scheme for the next generation passive optical network (PON). The proposed algorithm performs simultaneous time and wavelengths scheduling, which make the optimization problem extremely comple...

In recent years, Keypoints-based image detection algorithms have become essential to many image processing applications. They should be stable and invariant especially against image distortion and noise caused by different illumination conditions. Thus, the challenge is to design a faster and more robust detector in terms of accuracy and saliency o...

The exponential increase in generated data as well as the advances in high-performance computing has paved the way for the use of complex machine learning methods. Indeed, the availability of Graphical Processing Units (GPU) and Tensor Processing Units (TPU) have made it possible to train and prototype Deep Neural Networks (DNN) on large-scale data...

In this paper, we propose a self referencing scheme for the reduced complexity parallel least mean square (RC-pLMS) adaptive beamforming algorithm as means of robustness against possible interruptions in the reference signal and its hardware implementation. The RC-pLMS is a single stage, non-blind, least mean square (LMS) algorithm with modified in...

In this paper, the edge corners (ECs) are proposed as new visible feature points located at the edges of visible iris features such as crypts, pigment spots and stripes. A new technique is developed to segment the iris using the ECs. In addition, an efficient artificial intelligence based fuzzy logic system for the iris recognition stage is used to...

In this paper, we present a novel dynamic bandwidth allocation (DBA) scheme for future generation passive optical networks (PON) in order to meet the beyond 5G (B5G) and sixth generation (6G) stringent requirements. Our proposed algorithm is a generalized multi-access DBA (GMA-DBA) that exploits both orthogonal and non-orthogonal multi-access (MA)...

In this paper, we propose a reduced complexity parallel least mean square structure (RC-pLMS) for adaptive beamforming and its pipelined hardware implementation. RC-pLMS is formed by two least mean square (LMS) stages operating in parallel (pLMS), where the overall error signal is derived as a combination of individual stage errors. The pLMS is fur...

In general, most fingerprint recognition systems are based on the minutiae feature points. When matching two fingerprint images, the goal in most recognition systems is to find the optimal transformation model that aligns their feature points in order to find among them the number of matched or aligned points and then generate a matching score. A m...

__ In this paper, we propose new scheduling algorithms to improve the performance of the code division multiple access (CDMA) enabled next generation Ethernet passive optical networks (NG-EPON). In the NG-EPON standard, stringent requirements are applied to the packet delay. In addition, lowering the end-to-end latency/jitter will be instrumental i...

In this paper, we propose new scheduling algorithms to improve the performance of the code division multiple access (CDMA) enabled next generation ethernet passive optical networks (NG-EPON). The original dynamic bandwidth allocation (DBA) scheme based on a round robin scheduling algorithm was originally proposed for the first generation CDMA based...

Multiclass systems with different quality of service (QoS) requirements are essential in today’s Ethernet passive optical networks (EPONs). In this paper, we propose a code division multiple-access-enabled dynamic power and bandwidth allocation (DPBA) algorithm for a multiclass system. The novelty of the proposed algorithm is the resource allocatio...

Most fingerprint verification and recognition systems are based on the minutiae feature points. This paper presents a novel and robust edge based minutiae and corner detection algorithm designed for fingerprints with very small time consumption. This detector extracts the feature points on ridge edges without image enhancement and thinning. In turn...

Most fingerprint verification and recognition systems are based on the minutiae feature points. This paper presents a novel and robust edge based minutiae and corner detection algorithm designed for fingerprints with very small time consumption. This detector extracts the feature points on ridge edges without image enhancement and thinning. In turn...

Most fingerprint verification and recognition systems are based on the minutiae feature points. This paper presents a novel and robust edge based minutiae and corner detection algorithm designed for fingerprints with very small time consumption. This detector extracts the feature points on ridge edges without image enhancement and thinning. In turn...

CAPTCHA is a security technique to allow a computer application to distinguish between computer and human access. Most of now a day CAPTCHA words have their characters connected together which makes them very difficult to be segmented and recognized. In this paper we present an efficient technique that first benefits from the intersections between...

This paper presents a new algorithm for image co-registration using dominant corners located on the image's edges under the assumption that the deformation between the successive images is modeled by an affine transformation. This assumption is guaranteed when the time interval between acquired images is small like in a video sequence. Therefore, i...

This paper presents a novel and robust edge-based corner detector (EBCD) which finds corners that are considered stable interest points in the framework of 2D object recognition especially for robot navigation. Using the EBCD, the corners are defined as intersection points of non-collinear straight image edges. The straight edge detector plus the c...

This paper presents a novel method to find corners that are well located and stable interest points in a given image. Our corners are defined as intersection points of non collinear straight image edges, which are very robust against various image transformations like image scaling, rotation, translation and also to viewpoint and illumination chang...

Abstract: This paper presents a new algorithm for image registration working on an image sequence using dominant corners located on the image's edges under the assumption that the deformation between the successive images can be modeled by an affine transformation. To guarantee this assumption, the time interval between acquired images should be sm...

Abstract: A new algorithm to detect straight edge parts which form the contour of an object presented in an image is discussed in this paper. This algorithm is very robust and can detect true straight edges even when their pixel's locations are not straight due to natural noise at the object borders. These straight edges are than used to report and...

A new algorithm to detect straight edge parts which form the contour of an object presented in an image is discussed in this paper. This algorithm is very robust and can detect true straight edges even when their pixel's locations are not straight due to natural noise at the object borders. These straight edges are than used to report and classify...

This paper presents a new algorithm for image registration working on an image sequence using dominant corners located on the image's edges under the assumption that the deformation between the successive images can be modeled by an affine transformation. To guarantee this assumption, the time interval between acquired images should be small like t...

In this work, an approach that incorporates the compression of images to transmit high resolution medical images is presented. It is based on a double blind CDMA technology. The proposed approach assumes that several users (medical practitioners, doctors) are transmitting images from one location to another simultaneously. The images are encoded us...

In this paper, a code division multiple access (CDMA) enabled dynamic bandwidth allocation (CDBA) algorithm is proposed for the upstream access scheme for Ethernet passive optical networks (EPON). The CDBA algorithm is based on two major components: The first is the parallel transmission capacity offered by CDMA according to the quality of service...

In this paper, a code division multiple access (CDMA) enabled dynamic bandwidth allocation (CDBA) algorithm is proposed for the upstream access scheme for Ethernet passive optical networks. The CDBA algorithm is based on two major components. The first is the parallel transmission capacity offered by CDMA according to the quality-of-service require...

Throughout this paper, a closed form expression of the multiple access interference (MAI) limited bit error rate (BER) is provided for the multiwavelength optical code-division multiple-access system when the system is working above the nominal transmission rate limit imposed by the passive encoding-decoding operation. This system is known in liter...

This paper addresses the problem of resource allocation for a multiclass time-slotted optical overlapped code-division multiple-access (OV-CDMA) network. A fair resource allocation (FRA) scheme is considered with the quality of service (QoS) requirements on both physical layer signal-to-interference ratio (SIR) and MAC layer average packet delay. A...

This study addresses the problem of resource allocation for a multi-class time-slotted optical overlapped code-division multiple access network. A delay-constraint fair resource allocation (DC-FRA) scheme is considered with the quality of service requirements on both physical layer signal-to-interference ratio and network layer average packet delay...

In this work, an approach to transmit high resolution medical images based on a double blind CDMA technology is proposed and investigated. The approach assumes that multiple users are transmitting images from one site to another. The images are encoded over a two steps procedure: 1) pixels coding using a spatial Optical Orthogonal Signature Pattern...

Throughout this paper, a unified analytical framework is presented emphasizing the impact of optical hard limiter (OHL) on the bit-error-rate (BER) performance of the optical overlapped code division multiple access (OV-CDMA) system. Results show that the performance of OV-CDMA system may be highly improved when using OHL.

In this paper we consider the problem of resource allocation in a multiservice wireless local area network (WLAN) using overlapped code division multiple access (OV-CDMA) and via a centralised radio resource scheduler (RRS). A joint overlap control and power management (OCPM) algorithm is provided via the solution of a constrained convex quadratic...

We provide an analysis for the performance of a multiwavelength optical code-division multiple-access (MW-OCDMA) network when the system is working above the nominal transmission rate limit imposed by passive encoding-decoding operation. We address the problem of overlapping in such a system and how it can directly affect the bit error rate (BER)....

In this paper, we develop a fair resource allocation scheme for a multiclass time-slotted optical overlapped code-division multiple-access (OV-CDMA) network. The resource management scheme is fair in the sense that the users have their power and rate allotted according to their multiclass time-slotted optical overlapped code-division multiple-acces...

In this work we develop a fair resource allocation scheme for a multi-class time-slotted optical overlapped code- division multiple-access (OV-CDMA) network. The resource management scheme is fair in the sense that the users have their power and rate allotted according to their quality of service (QoS) requirements. In addition, no class of users c...

In this paper, we provide an analysis to the performance of optical time-wavelength code-division multiple-access (OTW-CDMA) network when the system is working above the nominal transmission rate limit imposed by the passive encoding-decoding operation. We address the problem of overlapping in such a system and how it can directly affect the bit er...

A new method is proposed to achieve a multirate overlapped code division multiple access system (OV-CDMA) based on a novel code overlapping procedure. The signal-to-interference ratio (SIR) performance has been investigated for such system. A channel model that allows multirate overlapped transmission is presented based on which a closed form solut...

In this paper, we compare the performance of two newly proposed MAC protocols for multirate optical CDMA (OCDMA) networks. The first protocol is the S-ALOHA/OFFH-CDMA and the second is the R3T/OFFH-CDMA. The main subject in this proposal is to exploit the potential of the optical fast frequency hopping CDMA using fiber-Bragg grating when jointly us...

This paper addresses the problem of resource allocation in a multiservice optical network based on an overlapped-CDMA system. A joint transmission power and overlapping coefficient (transmission rate) allocation strategy is provided via the solution of a constrained convex quadratic optimization problem. The solution to this problem maximizes the a...

Nowadays there is a tremendous debate about the treatment required for managing the heavily loaded and expanding traffic demands. Building a universal communication system is extremely challenging, given the lack of scalable communication technologies. Researchers have recently been seeking for solutions and expansions for the existing networking m...

In this paper, we propose a new MAC protocol for wireless personal area networks (WPAN) supporting multirate traffic. The protocol is based on a hybrid S-ALOHA and overlapped DS-CDMA (S-ALOHA/OV-DS-CDMA) access techniques. The main subject in this proposal is to exploit the potential of the overlapped CDMA multiple access system when jointly used w...

We discuss two newly proposed multiple-access control (MAC) protocols for multirate optical code-division multiple access (OCDMA) networks. The first protocol is slotted ALOHA/optical fast-frequency-hopping code-division mul-tiple access (S-ALOHA/OFFH-CDMA), and the second is round-robin receiver–transmitter/optical fast-frequency-hopping code-divi...

This paper describes a new Markov propagation channel model for an umbrella cell environment for fast mobile users. The multistate model switches between propagation states representing open area, shadowing, and blockage. A linear combination of log-normal, Rayleigh, and Rice models is used to describe signal variations over an area with constant e...

In this paper, a new method is proposed to achieve a multi-class multirate fast frequency hopping code division multiple access system (FFH-CDMA) based on a novel code overlapping procedure. We investigate mainly the system architecture, and implementation. The first task is the basic building blocks of the transmitter-receiver architecture, which...

In this paper, a new multirate optical network based on a hybrid slotted-ALOHA (S-ALOHA)/overlapped code division multiple access (O-CDMA) system is proposed as an effective way of integrating multiclass traffic. The key issue in this proposal is to exploit the potential of the optical O-CDMA using fiber Bragg gratings when jointly used with the S-...

In this paper, we propose a new multirate network based on a hybrid Slotted-ALOHA/Overlapped CDMA (SALOHA/ O-CDMA) system as an effective way of integrating multirate traffic. The key issue in this proposal is to exploit the potential of the overlapped CDMA (O-CDMA) when jointly used with the S-ALOHA protocol in a link layer. The newly proposed sys...

We consider an optical code-division multiple-access (OCDMA) network that supports multiple traffic classes. Each class has different processing gain and performance requirements. In this paper, a new method is proposed to analyze the cutoff rates for a multiclass, multirate optical frequency-hopping code-division multiple-access system using fiber...

An optical CDMA network that supports multiple traffic classes is considered. Each class has different processing gain (PG) and performance requirements. In this paper, we generalize the method that we have previously proposed to analyze the cutoff rates for a single-class multirate optical frequency hopping code division multiple access system (OF...

In this paper, the performance of two FFH-CDMA multirate schemes are studied and compared. The first one is the classical variable processing gain fast frequency hopping CDMA (VPG FFH-CDMA) and the second is the newly proposed overlapped fast frequency hopping CDMA (OFFH-CDMA). Specifically, we analyze the signal to interference ratio for the VPG F...

Analyzes a new transmitter-receiver architecture based on a modified version of unipolar-bipolar correlation proposed for a noncoherent multirate optical fast frequency hopping code-division multiple-access (OFFH-CDMA) system. The system assigns a frequency-shifted version (FSV) of the code used to transmit data bit "1" in order to transmit data bi...

This paper addresses the problem of real-time multimedia transmission in fiber-optic networks using code division multiple access (CDMA). We present a multirate optical fast frequency hopping CDMA (OFFH-CDMA) system architecture using fiber Bragg gratings (FBGs). In addition, we argue that, in multimedia applications, different services have differ...

A new method is proposed to analyze the cutoff rate of a variable-bit-rate (VBR) optical fast frequency hopping code division multiple access system (OFFH-CDMA) using fiber Bragg gratings and direct detection. This approach exploits the linear structure of passive optical CDMA systems and the nominal time required to accomplish the encoding-decodin...

This paper investigates the signal-to-interference ratio (SIR) performance of a single chip rate variable processing gain optical fast frequency hopping CDMA (OFFH-CDMA) system, using direct detection. A fiber-optic CDMA communication network is considered. A system model that allows multirate transmission is presented. In addition, the SIR is deri...

This paper analyses a new transmitter-receiver architecture based on a modified version of unipolar-bipolar correlation proposed for noncoherent multirate optical fast frequency hopping CDMA (OFFH-CDMA) system. The system assigns a frequency-shifted version (FSV) of the code used to transmit data bit "1" in order to transmit data bit "0". For the o...

We propose a new multirate optical communication system using optical fast frequency hopping CDMA (OFFH-CDMA) for multimedia applications in which different quality of services (QoS) are required. In this system, each user needs only to transmit the minimum required power to achieve a desired signal to interference ratio (SIR). We assign different...

In this paper, a new method is proposed to achieve a multi-class multirate fast frequency hopping code division multiple access system (FFH-CDMA) based on a novel code overlapping procedure. We investigate the signal-to-interference ratio (SIR) performance for such system. A channel model that allows multirate overlapped transmission is presented b...

This paper addresses the problem of resource allocation in a multiservice overlapped code division multiple access (OV-CDMA) system. A joint transmission power and overlapping coefficient (transmission rate) allocation strategy is provided via the solution of a constrained convex quadratic optimization problem. The solution of this problem maximize...