35 citations · 93 across the 21 of their papers we have counts for
24 papers
Manifold Optimization for High Accuracy Spatial Location Estimation Using Ultrasound Waves
Mohammed H. AlSharif, Ahmed Douik, Mohanad Ahmed +2
This paper reports the design of a high-accuracy spatial location estimation method using ultrasound waves by exploiting the fixed geometry of the transmitters. Assuming an isoscel…
Coalition Formation Game for Delay Reduction in Instantly Decodable Network Coding Assisted D2D Communications
Mohammed S. Al-Abiad, Ahmed Douik, Md. J. Hossain
Consider a wireless broadcast device-to-device (D2D) network wherein users' devices are interested in receiving some popular files. Each user's device possesses part of the content…
A Tutorial on Clique Problems in Communications and Signal Processing
Ahmed Douik, Hayssam Dahrouj, Tareq Y. Al-Naffouri +1
Since its first use by Euler on the problem of the seven bridges of Königsberg, graph theory has shown excellent abilities in solving and unveiling the properties of multiple discr…
Throughput Maximization in Cloud-Radio Access Networks using Rate-Aware Network Coding
Mohammed S. Al-Abiad, Ahmed Douik, Sameh Sorour +1
One of the most promising techniques for network-wide interference management necessitates a redesign of the network architecture known as cloud radio access network (CRAN). The cl…
Manifold Optimization Over the Set of Doubly Stochastic Matrices: A Second-Order Geometry
Ahmed Douik, Babak Hassibi
Convex optimization is a well-established research area with applications in almost all fields. Over the decades, multiple approaches have been proposed to solve convex programs. T…
Throughput Maximization in Cloud Radio Access Networks using Network Coding
Mohammed S. Al-Abiad, Ahmed Douik, Sameh Sorour +1
This paper is interested in maximizing the total throughput of cloud radio access networks (CRANs) in which multiple radio remote heads (RRHs) are connected to a central computing…
Distributed Hybrid Scheduling in Multi-Cloud Networks using Conflict Graphs
Ahmed Douik, Hayssam Dahrouj, Tareq Y. Al-Naffouri +1
Recent studies on cloud-radio access networks assume either signal-level or scheduling-level coordination. This paper considers a hybrid coordinated scheme as a means to benefit fr…
Data Dissemination using Instantly Decodable Binary Codes in Fog-Radio Access Networks
Ahmed Douik, Sameh Sorour
Consider a device-to-device (D2D) fog-radio access network wherein a set of devices are required to store a set of files. Each device is connected to a subset of the cloud data cen…
Delivery Time Reduction for Order-Constrained Applications using Binary Network Codes
Ahmed Douik, Mohammad S. Karim, Parastoo Sadeghi +1
Consider a radio access network wherein a base-station is required to deliver a set of order-constrained messages to a set of users over independent erasure channels. This paper st…
Robust Node Estimation and Topology Discovery Algorithm in Large-Scale Wireless Sensor Networks
Ahmed Douik, Salah A. Aly, Tareq Y. Al-Naffouri +1
This paper introduces a novel algorithm for cardinality, i.e., the number of nodes, estimation in large scale anonymous graphs using statistical inference methods. Applications of…
Resilient Backhaul Network Design Using Hybrid Radio/Free-Space Optical Technology
Ahmed Douik, Hayssam Dahrouj, Tareq Y. Al-Naffouri +1
The radio-frequency (RF) technology is a scalable solution for the backhaul planning. However, its performance is limited in terms of data rate and latency. Free Space Optical (FSO…
Hybrid Scheduling/Signal-Level Coordination in the Downlink of Multi-Cloud Radio-Access Networks
Ahmed Douik, Hayssam Dahrouj, Tareq Y. Al-Naffouri +1
In the context of resource allocation in cloud-radio access networks, recent studies assume either signal-level or scheduling-level coordination. This paper, instead, considers a h…
Rate Aware Instantly Decodable Network Codes
Ahmed Douik, Sameh Sorour, Tareq Y. Al-Naffouri +1
This paper addresses the problem of reducing the delivery time of data messages to cellular users using instantly decodable network coding (IDNC) with physical-layer rate awareness…
Hybrid Radio/Free-Space Optical Design for Next Generation Backhaul Systems
Ahmed Douik, Hayssam Dahrouj, Tareq Y. Al-Naffouri +1
The deluge of date rate in today's networks imposes a cost burden on the backhaul network design. Developing cost efficient backhaul solutions becomes an exciting, yet challenging,…
Coordinated Scheduling for the Downlink of Cloud Radio-Access Networks
Ahmed Douik, Hayssam Dahrouj, Tareq Y. Al-Naffouri +1
This paper addresses the coordinated scheduling problem in cloud-enabled networks. Consider the downlink of a cloud-radio access network (C-RAN), where the cloud is only responsibl…
Delay Reduction in Multi-Hop Device-to-Device Communication using Network Coding
Ahmed Douik, Sameh Sorour, Tareq Y. Al-Naffouri +2
This paper considers the problem of reducing the broadcast decoding delay of wireless networks using instantly decodable network coding (IDNC) based device-to-device (D2D) communic…
A Game Theoretic Approach to Minimize the Completion Time of Network Coded Cooperative Data Exchange
Ahmed Douik, Sameh Sorour, Hamidou Tembine +2
In this paper, we introduce a game theoretic framework for studying the problem of minimizing the completion time of instantly decodable network coding (IDNC) for cooperative data…
Decoding Delay Controlled Reduction of Completion Time in Instantly Decodable Network Coding
Ahmed Douik, Sameh Sorour, Mohamed-Slim Alouini +1
For several years, the completion time and the decoding delay problems in Instantly Decodable Network Coding (IDNC) were considered separately and were thought to completely act ag…
A Game-Theoretic Framework for Decentralized Cooperative Data Exchange using Network Coding
Ahmed Douik, Sameh Sorour, Hamidou Tembine +2
In this paper, we introduce a game theoretic framework for studying the problem of minimizing the delay of instantly decodable network coding (IDNC) for cooperative data exchange (…
On Minimizing the Maximum Broadcast Decoding Delay for Instantly Decodable Network Coding
Ahmed Douik, Sameh Sorour, Mohamed-Slim Alouini +1
In this paper, we consider the problem of minimizing the maximum broadcast decoding delay experienced by all the receivers of generalized instantly decodable network coding (IDNC).…
Completion Time Reduction in Instantly Decodable Network Coding Through Decoding Delay Control
Ahmed Douik, Sameh Sorour, Mohamed-Slim Alouini +1
For several years, the completion time and decoding delay problems in Instantly Decodable Network Coding (IDNC) were considered separately and were thought to completely act agains…
A Lossy Graph Model for Decoding Delay Reduction in Instantly Decodable Network Coding
Ahmed Douik, Sameh Sorour, Mohamed-Slim Alouini +1
In this paper, we study the broadcast decoding delay performance of generalized instantly decodable network coding (G-IDNC) in the lossy feedback scenario. The problem is formulate…
Delay Minimization for Instantly Decodable Network Coding in Persistent Channels with Feedback Intermittence
Ahmed Douik, Sameh Sorour, Mohamed-Slim Alouini +1
In this paper, we consider the problem of minimizing the multicast decoding delay of generalized instantly decodable network coding (G-IDNC) over persistent forward and feedback er…
Partially Blind Instantly Decodable Network Codes for Lossy Feedback Environment
Sameh Sorour, Ahmed Douik, Shahrokh Valaee +2
In this paper, we study the multicast completion and decoding delay minimization problems of instantly decodable network coding (IDNC) in the case of lossy feedback. In such enviro…