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 25 for “"Efficient protocols"”.
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Autonomous energy efficient protocols and strategies for wireless sensor networks
… of the network hardware platform and protocols that govern its smooth functioning. As a result the protocols required for governing the actions of the sensor nodes need to be designed accordingly.<br/>Against this background, this research facilitates the development of an …
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Energy-efficient protocols and hardware architectures for transport layer security
… is considered to be one of the most suited protocols for securing the IoT. However, computation and communication overheads make it very expensive to implement DTLS on resource-constrained IoT sensor nodes. In this work, we profile the energy costs of DTLS version 1.3, using experimental …
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Distributed power control (DPC) based energy efficient protocols for wireless networks
… of this dissertation is to develop energy efficient schemes and medium access control (MAC) protocols for wireless networks in the presence of fading channels while satisfying network constraints and user defined QoS requirements"--Abstract, page iv.
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Energy efficient wireless sensor network protocols for monitoring and prognostics of large scale systems
<p>"In this work, energy-efficient protocols for wireless sensor networks (WSN) with applications to prognostics are investigated. Both analytical methods and verification are shown for the proposed methods via either hardware experiments or simulation. This work is presented in five papers. …
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Rational secret sharing
… and Game Theory in order to create more robust protocols that allow for a variety of player types. A keystone functionality used in cryptography is Secret Sharing. While there are several well known, efficient protocols that implement Secret Sharing in the Cryptographic model, designing a …
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Attacks on the Fiat-Shamir paradigm and program obfuscation
… of cryptography is to construct *secure* and *efficient* protocols for various tasks. Unfortunately, it is often the case that protocols that are provably secure are not efficient enough for practical use. As a result, most protocols used in practice are *heuristics* that lack proofs of …
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Performance analysis of relay based cooperative MAC protocols
… relay based MAC layer: design of cooperative MAC protocols, performance modelling, and protocol enhancements. The first contribution of this thesis is dedicated to the modelling of energy consumption which aids MAC protocol developers in the design phase to devise efficient protocols and energy …
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The performance evaluation of different logical topologies and their respective protocols for wireless sensor networks
… nodes are the principal obstacles in planning efficient protocols for WSNs. The major challenges of WSNs include energy dissipation; prolong the network lifetime and throughput. This thesis explores logical topologies in WSN. Logical topologies play the most significant role in the overall …
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Improving Early Sepsis Identification on Inpatient Units
… In an effort to combat these negative outcomes, efficient protocols must be implemented hospital wide. A 5 P’s microsystem assessment was preformed to assess the purpose, patients, professionals, processes and patterns. Additionally, assessments were conducted to collect baseline nursing …
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Reliable and Energy Efficient Network Protocols for Wireless Body Area Networks
… A possible solution is the development of energy efficient protocols that regulate the communication between the radios. Further, it is also important to consider the reliability of the communication. The data sent contains medical information and one has to make sure that it is correctly received …
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Studies in palladium and rhodium catalysis: synthetic strategies for C–C bond formation
… solvent, rendering this protocol a simple and efficient route to electron-rich dibenzofurans. A variety of functionalised dibenzofurans are successfully accessed through this protocol. The methodology can be applied to benzochromenes, with varying degrees of success. However, this protocol can …
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A Priority Rate-Based Routing Protocol for wireless multimedia sensor networks
… equipped with limited resources, newer energy-efficient protocols and architectures are required in order to meet requirements within their limited capabilities when dealing with multimedia data. This is because multimedia applications are characterized by strict quality of service requirements …
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Distributed Algorithms for Tasking Large Sensor Networks
Recent advances in wireless communications along with developments in low-power circuit design and micro-electro mechanical systems (MEMS) have heralded the advent of compact and inexpensive wireless micro-sensor devices. A large network of such sensor nodes capable of communicating with each other …
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Global state predicates in rough real-time
… no common system clock, many distributed system protocols rely on the global ordering of local process events imposed by the message passing that occurs between processes. This leads to a partial global ordering of local process events, which can then be used to determine which process states …
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Practical packet combining for use with cooperative and non-cooperative ARQ schemes in wireless sensor networks
… There is a pressing need, therefore, for simple, efficient protocols and algorithms that can maximise the use of available resources in an energy efficient manner. In this thesis an improved packet combining scheme useful on low power, resource-constrained sensor networks is developed. The …
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Radical decarboxylation strategies for the synthesis of nitrogen-containing heterocycles
… of the second chapter, which involves an atom-efficient silver-catalysed double decarboxylative strategy for the one-step synthesis of quinolin2-ones. This is achieved via an oxidative radical addition–cyclisation–elimination cascade sequence of oxamic acids to acrylic acids, mediated either …
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Location-Aware Protocols for Energy-Efficient Information Processing in Wireless Sensor Networks
… have a small amount of memory. Therefore, energy-efficient and lightweight protocols are necessary for distributed information processing in these networks. </p><p>The data provided by a sensor node is often useful only in the context of the location of the data source. Thus, sensor networks rely …
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Computational aspects of communication amid uncertainty
… We obtain the first explicit and sample-efficient schemes with the optimal trade-offs between communication, agreement probability and entropy of generated common random bits, in the one-way communication setting. -- We obtain the first decidability result for the computational problem of …
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Delegating computation reliably : paradigms and constructions
… of delegated computations. We construct efficient protocols (interactive proofs) for delegating computational tasks. In particular, we present: e A protocol for delegating any computation, where the work needed to verify the correctness of the output is linear in the input length, …
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Encapsulation as a 3D model for human embryonic stem cell propagation and differentiation
… into many types of specialized cells. Currently, efficient protocols to generate beta cells rely on a step-wise ontogenic approach which mimics the in vivo pancreatic development. This approach requires a three dimensional (3D) culture system that can induce cell-cell and cell-matrix interactions …
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