Πλοήγηση ανά Θέμα "Polynomial approximation"
Αποτελέσματα 1-14 από 14
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Calculation of multiple critical depths in open channels using an adaptive cubic polynomials algorithm
(2020)A method for the calculation of multiple critical depths in compound and natural channels, using an adaptive cubic polynomials algorithm (ACPA), is presented in this paper. The algorithm is based on the approximation of ... -
Different speeds suffice for rendezvous of two agents on arbitrary graphs
(2017)We consider the rendezvous problem for two robots on an arbitrary connected graph with n vertices and all its edges of length one. Two robots are initially located on two different vertices of the graph and can traverse ... -
Energy efficient resource allocation scheme via auction-based offloading in next-generation heterogeneous networks
(2017)The focus of this chapter is centered on the network underutilization during low traffic periods (e.g., night zone), which enables the Mobile Network Operators (MNOs) to save energy by having their traffic served by ... -
Exclusive graph searching vs. pathwidth
(2017)In Graph Searching, a team of searchers aims at capturing an invisible fugitive moving arbitrarily fast in a graph. Equivalently, the searchers try to clear a contaminated network. The problem is to compute the minimum ... -
A Fast Timing Separation of Events Algorithm for Concurrent Systems
(2019)In this work, we present a fast, polynomial time implementation of the Timing Separation of Events (TSE) Algorithm, with complexity O(E × (V+E). TSE computation is a fundamental problem in the analysis of event-driven, ... -
Implementation of Shor's Algorithm and Reliability of Quantum Computing Devices
(2021)The process to find the prime factors of a large number, the "factoring problem"is believed to be a very hard problem. For this reason, it is the cornerstone of modern cryptographic schemes, like RSA cryptosystem. In 1994, ... -
Joint multicast beamforming and admission control
(2007)Wireless multicasting is quickly emerging as an important enabling technology for mass content distribution to mobile hand-held devices. With channel state information at the transmitter, it is possible to tailor transmissions ... -
A Mechanism Design and Learning Approach for Revenue Maximization on Cloud Dynamic Spot Markets
(2021)Modern large-scale computing deployments consist of complex elastic applications running over machine clusters. A current trend adopted by providers is to set unused virtual machines, or else spot instances, in low prices ... -
On multicast beamforming and admission control for UMTS-LTE
(2008)Transmit beamforming for physical layer multicasting is emerging as an appealing transmission modality for next-generation cellular wireless systems, notably UMTS-LTE. Optimal design of the transmit beamformer(s) from a ... -
On the Complexity of Optimal Content Placement in Hierarchical Caching Networks
(2016)The ever increasing demand for content is straining operators' networks, thereby necessitating development of alternative content delivery mechanisms. Distributed caching architectures constitute a promising solution for ... -
Optimal selfishness-aware device-assisted content delivery in cellular networks
(2014)Utilization of device-to-device communication links provides an alternative way for mitigating the skyrocketing mobile data growth that challenges cellular operators nowadays. Namely, the owners of these devices can serve ... -
Optimal selfishness-aware device-assisted content delivery in cellular networks
(2016)Utilization of device-to-device communication links provides an alternative way for mitigating the skyrocketing mobile data growth that challenges cellular operators nowadays. Namely, the owners of these devices can serve ... -
Sensor Placement for Lifetime Extension by Applying Neural Network Configuration under Coverage and Energy Constraints
(2022)In deployments of Wireless Sensor Networks (WSNs), sensor placement, coverage, connectivity and energy constraints determine the overall network lifetime. In large-size WSNs it is difficult to maintain a trade-off among ... -
Topology control with coverage and lifetime optimization of wireless sensor networks with unequal energy distribution
(2017)In this work, we use an unequal energy distribution algorithm, with which we succeed to extend network lifetime. In the sequel, we, we provide the best effort coverage by arranging the nodes using topology control principles. ...