Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 37 for “"communication delay"”.
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Reducing Communication Delay Variability for a Group of Robots
<p>A novel architecture is presented for reducing communication delay variability for a group of robots. This architecture relies on using three components: a microprocessor architecture that allows deterministic real-time tasks; an event-based communication protocol in which nodes transmit in a …
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Investigating the Impact of Communication Delay on Mission Control as an Effective Team Member with the Crew
… in the coming decade. However, the significant communication delay of up to 22 minutes one way poses challenges for Mission Control (MC) in fulfilling its role as an effective team member with the crew, potentially jeopardizing mission safety and success. Existing research on communication delay …
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An operational feasibility assessment for extravehicular activity in human spaceflight under communication delay using an underwater research analogue
… will be the mitigation of risks associated with communication delay between Earth and remote exploration crews. This paper provides an introduction to the problem of EVA operations under Mars-like communication delay, and evaluates the feasibility of a relay-based communication protocol through a …
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Distributed Deadlock Detection in Distributed Database Systems
… of the distributed nature of the system and the communication delay of the network. Many detection algorithms have been proposed in the past, but most of them have been shown to be incorrect and inefficient. Designing an applicable algorithm is still worthy of intensive study.
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Power Electronics System Communications
This work investigates communication issues in high-frequency power converters. A novel control communication network (Power Electronics System Network or PES Net) is proposed for modular, medium and high-power, converters. The network protocol, hardware and software are designed and implemented. …
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Scheduling and Power Control in Sustainable Federated Learning over Wireless Networks
… such as device heterogeneity, extensive communication overhead and energy consumption due to the frequent exchange of models. In addition, leveraging the energy harvesting capabilities of IoT devices to optimize FL performance in wireless networks has not been extensively explored. In …
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Synchronized Measurement of Machine Rotor Angle and Its Application
… This capability makes bad data detection and communication delay compensation possible.
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Setting up learning opportunities to teach social skills
… and it teaches instruction following, functional communication, delay tolerance, and friendship skills. These abilities were selected for class-wide teaching as they were identified by educators as crucial for primary school achievement. The purpose of the current study was to examine if teachers …
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Telecommunication of stabilizing signals in power systems
… should be to the benefit of customers.;Telecommunication plays a crucial role in integrating systems and ensuring smooth operation by way of exchanging data and information between various systems that are responsible for monitoring and control of the grid. For example, a Power System …
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Energy-Efficient and Timely Event Reporting Using Wireless Sensor Networks
… of energy-efficient protocol mechanisms a novel communication protocol, referred to as cross-layer message-merging protocol (XLMMP), is developed. Qualitative and quantitative protocol analyses are carried out to confirm that XLMMP is particularly suitable for this application area. The …
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The development of a hybrid virtual reality/video view-morphing display system for teleoperation and teleconferencing
… reduce the apparent lag due to satellite communication delay. This hybrid VR/view-morphing display (“Virtual Video”) has many important NASA applications including remote teleoperation, crew onboard training, private family and medical teleconferencing, and telemedicine. The technical …
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Distributed Multi-Agent Decision Making Under Uncertain Communication
… in environments that are inherently hostile to communication. To the best of our knowledge, there are no multi-agent scheduling algorithms capable of independently reasoning over communication delay. A key gap that must be addressed is a single-agent scheduler capable of deciding when to act …
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An Investigation of I/O Strategies for MPI Workloads
… systems. Studies have been shown that I/O communication delay is the main reason for different behavior of I/O intensive applications with specific requirements for performance optimization. So, using common strategies, generally defined and effective for computationally intensive …
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An in-depth analysis of real and perceived barriers to speech and language program participation for children with speech and language delays : a question of barriers to service?
… language programs for preschool children with communication delays. I compared 36 families of preschool children with an identified communication delay that have completed services (completers) to 13 families that have not completed services (non-completers) prescribed by Speech and Language …
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An intelligent approach to quality of service for MPEG-4 video transmission in IEEE 802.15.1
… improve quality of picture, reduce data loss and communication delay, as compared with conventional MPEG video transmission over IEEE 802.15.1.
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Understanding the Impact of Communication Delays on Distributed Team Interaction
Communication delay in distributed teams is salient problem, especially in operational setting where communication is critical to team safety and success. The present study investigated the impact of communication delays affect distributed team performance and processes, and if being able to see …
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Directive-Based Data Partitioning and Pipelining and Auto-Tuning for High-Performance GPU Computing
… logic controls to the CPU not only costs extra communication delay over the PCI-e bus but also consumes the CPU resources, which may affect the performance of other CPU tasks. This thesis work aims to provide efficient directive-based data pipelining approaches for GPUs that tackle these issues …
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Machine Learning Approach for Resource Allocation in Mobile Edge Computing
… edge, offering significant reductions in system delay and mitigating network traffic congestion. It supports latency-sensitive applications like Augmented Reality (AR), Virtual Reality (VR), caching and surveillance through efficient cloud-based processing. The rapid advancement of smart cities, …
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Design and analysis of energy-efficient media access control protocols in wireless sensor networks. Design and analysis of MAC layer protocols using low duty cycle technique to improve energy efficient and enhance communication performance in wireless sensor networks.
… the system throughput and reducing the communication delay.
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