Browsing by Subject "Optimization problems"
Now showing items 1-15 of 15
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A hybrid TDMA-MAC cooperative relaying scheme: Stability and delay analysis
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)We consider a cooperative relaying system with any number of source terminals, one shared relay, and a common destination. We assume a slotted time division multiple access (TDMA) framework in which each source terminal ... -
Cognitive relaying in wireless sensor networks: Performance analysis and optimization
( IEEE , 2010 , Conference Paper)The anticipated increase in the density of the deployed wireless sensor networks calls for spectrum sharing through unlicensed access to licensed spectrum. The key technology for spectrum sharing in this scenario is cognitive ... -
DistPrivacy: Privacy-Aware Distributed Deep Neural Networks in IoT surveillance systems
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)With the emergence of smart cities, Internet of Things (IoT) devices as well as deep learning technologies have witnessed an increasing adoption. To support the requirements of such paradigm in terms of memory and computation, ... -
Distributed CNN Inference on Resource-Constrained UAVs for Surveillance Systems: Design and Optimization
( Institute of Electrical and Electronics Engineers Inc. , 2022 , Article)Unmanned aerial vehicles (UAVs) have attracted great interest in the last few years owing to their ability to cover large areas and access difficult and hazardous target zones, which is not the case of traditional systems ... -
Dynamic Resource Allocation of eMBB-uRLLC Traffic in 5G New Radio
( IEEE Computer Society , 2020 , Conference Paper)5G technology is intended to support three promising services with heterogeneous requirements: Ultra-Reliable and Low Latency Communication (uRLLC), enhanced Mobile Broadband (eMBB) and massive Machine Type Communication ... -
Energy-efficient cooperative cognitive relaying schemes for cognitive radio networks
( Elsevier B.V. , 2018 , Article)We investigate a cognitive radio network in which a primary user (PU) may cooperate with a cognitive radio user (i.e., a secondary user (SU)) for transmissions of its data packets. The PU is assumed to be a buffered node ... -
Interference-based optimal power-efficient access scheme for cognitive radio networks
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference Paper)In this paper, we propose a new optimization-based access strategy of multi-packet reception (MPR) channel for multiple secondary users (SUs) accessing the primary user (PU) spectrum. We devise an analytical model that ... -
On Optimizing the Secrecy Performance of RIS-Assisted Cooperative Networks
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)Employing reconfigurable intelligent surfaces (RIS) is emerging as a game-changer candidate, thanks to their unique capabilities in improving the power efficiency and supporting the ubiquity of future wireless communication ... -
On the joint scheduling and intra-cell interference coordination in multi-relay LTE uplink
( IEEE , 2012 , Conference Paper)The relay-assisted Long Term Evaluation (LTE) cellular system is one of the most promising technologies to enhance the throughput and coverage of the access network. Injection of relays in a cell opens many issues of ... -
Optimal Determination of Respiratory Airflow Patterns for a General Multicompartment Lung Mechanics System with Nonlinear Resistance and Compliance Parameters
( American Society of Mechanical Engineers (ASME) , 2015 , Article)In this paper, we develop a framework for determining optimal respiratory airflow patterns for a multicompartment lung mechanics system with nonlinear resistance and compliance parameters. First, a nonlinear multicompartment ... -
Optimization of chiral lattice based metastructures for broadband vibration suppression using genetic algorithms
( Academic Press , 2016 , Article)One of the major challenges in civil, mechanical, and aerospace engineering is to develop vibration suppression systems with high efficiency and low cost. Recent studies have shown that high damping performance at broadband ... -
Optimization of probability of error in collaborative spectrum sensing of time-limited cognitive radio networks
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)We study the probability of error optimization problem in collaborative spectrum sensing (CSS) with limited time resources in cognitive radio (CR) networks. The frame structures for sensing and data transmission, if the ... -
QoE-Aware Resource Allocation for Crowdsourced Live Streaming: A Machine Learning Approach
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)Driven by the tremendous technological advancement of personal devices and the prevalence of wireless mobile network accesses, the world has witnessed an explosion in crowdsourced live streaming. Ensuring a better viewers ... -
RL-PDNN: Reinforcement Learning for Privacy-Aware Distributed Neural Networks in IoT Systems
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)Due to their high computational and memory demand, deep learning applications are mainly restricted to high-performance units, e.g., cloud and edge servers. Particularly, in Internet of Things (IoT) systems, the data ... -
Smart and Secure Wireless Communications via Reflecting Intelligent Surfaces: A Short Survey
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)With the emergence of the Internet of Things (IoT) technology, wireless connectivity should be more ubiquitous than ever. In fact, the availability of wireless connection everywhere comes with security threats that, ...