تصفح حسب المؤلف "Khattab, Tamer"
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Energy-Efficient Proactive Scheduling Policies for Finite-Buffer Regular Service Guarantees
Abdellatif, Basem; Galal Khafagy, Mohammad; Chen, Nan; ElFouly, Tarek; Khattab, Tamer ( Institute of Electrical and Electronics Engineers Inc. , 2022 , Conference Paper)In this work, we study the energy saving merits of proactive scheduling for downlink multimedia streaming towards a finite-buffer receiver under Rayleigh fading. Three different threshold-based proactive scheduling policies ... -
Error probability analysis of energy harvesting relay-Aided cooperative network using hierarchical modulation
Shakeri, Reza; Khattab, Tamer ( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)In this paper, we investigate the performance of energy harvesting relay-Aided cooperative system wherein, the source node transmits hierarchical signal to the relay and destination nodes. But, since in cooperative networks ... -
Estimating the number of sources in white Gaussian noise: Simple eigenvalues based approaches
Badawy, Ahmed; Salman, Tara; Elfouly, Tarek; Khattab, Tamer; Mohamed, Amr; Guizani, Mohsen... more authors ... less authors ( Institution of Engineering and Technology , 2017 , Article)Estimating the number of sources is a key task in many array signal processing applications. Conventional algorithms such as Akaike's information criterion (AIC) and minimum description length (MDL) suffer from underestimation ... -
Expatriates' Housing Dispersal Outlook in a Rapidly Developing Metropolis Based on Urban Growth Predicted Using a Machine Learning Algorithm
Ibrahim, Hatem; Khattab, Ziad; Khattab, Tamer; Abraham, Revina ( Routledge , 2021 , Article)Housing dispersal in emerging cities should be investigated as it occurs to achieve a better understanding of future housing dispersal. In this study, housing preferences are analyzed in Doha Metropolitan Area based on ... -
Exploiting spectrum sensing data for key management
Badawy, Ahmed; Elfouly, Tarek; Chiasserini, Carla-Fabiana; Khattab, Tamer; Trinchero, Daniele ( Elsevier B.V. , 2017 , Article)In cognitive radio networks, secondary users (SUs) communicate on unused spectrum slots in the frequency bands assigned to primary users (PUs). Like any other wireless communication system, cognitive radio networks are ... -
Finite-sample size multiple antennas spectrum sensing
Sedighi, Saeid; Taherpour, Abbas; Khattab, Tamer (2012 , Conference Paper)In this paper, we consider the problem of multiple antenna spectrum sensing in Cognitive Radios (CR) by exploiting the prior information about unknown parameters. Specifically, we consider a blind spectrum sensing problem ... -
Fractional low order cyclostationary-based spectrum sensing in cognitive radio networks
Hashemi, Hadi; Fard, Sina Mohammadi; Taherpour, Abbas; Khattab, Tamer ( Springer Verlag , 2015 , Conference Paper)In this paper, we study the problem of cyclostationary spectrum sensing in cognitive radio networks based on cyclic properties of linear modulations. For this purpose, we use fractional order of observations in cyclic ... -
Game Theory for Anti-Jamming Strategy in Multichannel Slow Fading IoT Networks
Gouissem, Ala; Abualsaud, Khalid; Yaacoub, Elias; Khattab, Tamer; Guizani, Mohsen ( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)The open nature of the wireless communication medium renders it vulnerable to jamming attacks by malicious users. To detect their presence and to avoid such attacks, several techniques are present in the literature. Most ... -
Generative Adversarial Network Approach to Future Sermonizing of Housing Dispersal in Emerging Cities
Ibrahim, Hatem; Khattab, Ziad; Khattab, Tamer; Abraham, Revina ( American Society of Civil Engineers (ASCE) , 2022 , Article)This study aims to visualize the future housing dispersal of expatriates, based on the predicted urban growth in emerging cities. Generalized adversarial networks (GANs) will be utilized to predict the future urban growth ... -
Hybrid underlay/overlay cognitive radio system with hierarchical modulation in the presence of channel estimation error
Shaker, Reza; Khakzad, Hamidreza; Taherpour, Abbas; Khattab, Tamer; Hasna, Mazen Omar ( IEEE , 2014 , Conference Paper)In this paper, we study the performance of hybrid cognitive radio (CR) system in the presence of channel estimation error (CER) in terms of bit-error-probability (BEP) and outage probability. We assume simultaneous switching ... -
Impact of stochastic RF energy harvesting relay on wireless point-to-point network
Shakeri, Reza; Khakzad, Hamidreza; Taherpour, Abbas; Khattab, Tamer ( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)In this paper, we study a general practical stochastic energy harvesting (EH) model where in, an EH relay is able to harvest energy from the radio frequency (RF) radiation in a super capacitor. The different aspects of ... -
Joint security and energy efficiency in iot networks through clustering and bit flipping
Yaacoub, Elias; Chehab, Ali; Al-Husseini, Mohammed; Abualsaud, Khalid; Khattab, Tamer; Guizani, Mohsen... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)Channel-aware encryption is investigated as a physical layer security technique in internet of things (IoT) scenarios. Clustering algorithms for grouping sensor nodes into cooperative clusters are proposed, with the purpose ... -
Long mmWave Backhaul Connectivity Using Fixed-Wing UAVs
Dabiri, Mohammad T.; Hasna, Mazen. O.; Zorba, Nizar; Khattab, Tamer ( Institute of Electrical and Electronics Engineers Inc. , 2022 , Conference Paper)This paper discusses the analysis of a fixed wing unmanned aerial vehicle (UAV)-based millimeter wave (mmWave) backhaul link, that is offered as a cost effective and easy to deploy solution to connect a disaster or remote ... -
Maximum Secondary Stable Throughput of a Cooperative Secondary Transmitter-Receiver Pair: Protocol Design and Stability Analysis
El Shafie, Ahmed; Khattab, Tamer; El-Keyi, Amr; Nafie, Mohammed ( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)In this paper, we investigate the impact of cooperation between a secondary transmitter-receiver pair and a primary transmitter on the maximum stable throughput of the primary-secondary network. Each transmitter, either ... -
Maximum throughput of a cooperative energy harvesting cognitive radio user
El Shafie, Ahmed; Khattab, Tamer ( Institute of Electrical and Electronics Engineers Inc. , 2014 , Conference Paper)In this paper, we investigate the maximum throughput of a saturated rechargeable secondary user (SU) sharing the spectrum with a primary user (PU). The SU harvests energy packets (tokens) from the environment with a certain ... -
Maximum throughput of a secondary user cooperating with an energy-aware primary user
El Shafie, Ahmed; Sultan, Ahmed; Khattab, Tamer ( IEEE Computer Society , 2014 , Conference Paper)This paper proposes a cooperation protocol between a secondary user (SU) and a primary user (PU) which dedicates a free frequency subband for the SU if cooperation results in energy saving. Time is slotted and users are ... -
Modeling of CubeSat orientation scenario and solar cells for internet of space provision
Ali, Ali; Massoud, Ahmed; Hasna, Mazen O.; Khattab, Tamer; Jabban, Taha; Nema, Mohammed Aref... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)As a cost-effective alternative to traditional satellites, CubeSats have emerged to provide new space experimentation opportunities. The power budgeting of CubeSats is an essential part of the designing process due to the ... -
Modified QR-D and MMSE PMI selection technique for MIMO closed loop spatial multiplexing in LTE/LTE-advanced
Wagdy, Ahmed; Khattab, Tamer; Sourour, Essam A. (2013 , Conference Paper)Limited feedback closed-loop spatial multiplexing evolved as an attractive technique during the development of Multi Input Multi Output (MIMO) in Long Term Evolution (LTE). Spatial multiplexing involves transmitting ... -
Modulation-independent non-data-aided SNR estimator for OFDM signals in nakagami fading channels
Hafez, Mohammed; Khattab, Tamer; Shalaby, Hossam (2013 , Conference Paper)A signal-to-noise ratio estimator for OFDM signals in Nakagami-m fading channels is proposed. This estimator can be used with any signal constellation. It is an envelope-based non-data-aided estimator that makes use of ... -
Multi-user diversity with optimal power allocation in spectrum sharing under average interference power constraint
Foukalas, Fotis; Khattab, Tamer ( Institute of Electrical and Electronics Engineers Inc. , 2014 , Conference Paper)In this paper, we investigate the performance of multi-user diversity (MUD) with optimal power allocation (OPA) in spectrum sharing (SS) under average interference power (AIP) constraint. In particular, OPA through average ...