Browsing by Author "El-Sherif A.A."
Now showing items 1-11 of 11
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Adaptive energy-aware encoding for DWT-based wireless EEG tele-monitoring system
Hussein R.; Awad A.; El-Sherif A.A.; Mohamed A.; Alghoniemy M. ( IEEE Computer Society , 2013 , Conference Paper)Recent technological advances in wireless body sensor networks (WBSN) have made it possible for the development of innovative medical applications to improve health care and the quality of life. Electroencephalography ... -
Cognitive Radio Networks with Probabilistic Relaying: Stable Throughput and Delay Tradeoffs
Ashour M.; El-Sherif A.A.; ElBatt T.; Mohamed A. ( Institute of Electrical and Electronics Engineers Inc. , 2015 , Article)This paper studies fundamental throughput and delay tradeoffs in cognitive radio systems with cooperative secondary users. We focus on randomized cooperative policies, whereby the secondary user (SU) serves either its own ... -
Decentralized throughput maximization in cognitive radio wireless mesh networks
El-Sherif A.A.; Mohamed A. ( Institute of Electrical and Electronics Engineers Inc. , 2014 , Article)Scheduling and spectrum allocation are tasks affecting the performance of cognitive radio wireless networks, where heterogeneity in channel availability limits the performance and poses a great challenge on protocol design. ... -
Delay minimization through joint routing and resource allocation in cognitive radio-based mesh networks
El-Sherif A.A.; Mohamed A. ( IEEE , 2012 , Conference Paper)We consider wireless mesh networks in which the nodes are utilizing cognitive radios and try to opportunistically gain access to spectrum resources. In such networks, the timely delivery of the traffic is a challenging ... -
Energy-aware cross-layer optimization for EEG-based wireless monitoring applications
Awad A.; Hussein R.; Mohamed A.; El-Sherif A.A. ( IEEE Computer Society , 2013 , Conference Paper)Body Area Sensor Networks (BASNs) for healthcare applications have gained significant research interests recently due to the growing number of patients with chronic diseases requiring constant monitoring. Because of the ... -
Interference-aware energy-efficient cross-layer design for healthcare monitoring applications
Awad, A.; Mohamed, A.; El-Sherif, A.A.; Nasr, O.A. ( Elsevier , 2014 , Article)Body Area Sensor Networks (BASNs) leverage wireless communication technologies to provide healthcare stakeholders with innovative tools and solutions that can revolutionize healthcare provisioning; BASNs thus promotes new ... -
Joint routing and resource allocation for delay minimization in cognitive radio based mesh networks
El-Sherif A.A.; Mohamed A. ( IEEE , 2014 , Article)This paper studies the joint design of routing and resource allocation algorithms in cognitive radio based wireless mesh networks. The mesh nodes utilize cognitive overlay mode to share the spectrum with primary users. ... -
Joint routing and resource allocation for delay sensitive traffic in cognitive mesh networks
El-Sherif A.A.; Mohamed A.; Hu Y.C. ( IEEE , 2011 , Conference Paper)In this paper we study the problem of joint design of routing and resource allocation in cognitive radio based wireless mesh networks. Our study focuses on a cognitive system model in which secondary nodes have delay ... -
Optimal resource allocation for green and clustered video sensor networks
Arar A.; Mohamed A.; El-Sherif A.A.; Leung V.C.M. ( Institute of Electrical and Electronics Engineers Inc. , 2018 , Article)Wireless video sensor networks (WVSNs) are opening the door for many applications, such as industrial surveillance, environmental tracking, border security, and infrastructure health monitoring. In WVSN, energy conservation ... -
Optimum power and rate allocation in cluster based video sensor networks
Arar A.; El-Sherif A.A.; Mohamed A.; Leung V.C.M. ( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference Paper)In a wireless video sensor network (WVSN), each video sensor node consumes a significant amount of power on video compression in addition to the required power for communication. Therefore, the power optimization is a more ... -
Optimum power and rate allocation in video sensor networks
El-Sherif A.A.; Mohamed A.; Leung V.C.M. ( Institute of Electrical and Electronics Engineers Inc. , 2013 , Conference Paper)In a sensor network, each sensor has a limited energy supply. Therefore, it is critical to minimize the power consumed by each sensor to maximize its lifetime. Video sensor networks differ from conventional sensor networks ...