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.
Results
Showing 1 to 20 of 31 for “"D2D"”.
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Architecture design for disaster resilient management network using D2D technology
… of Long-term Evolution (LTE) Device to Device (D2D) communication. In particular, to support resilient and energy efficient communication in disaster-affected areas. This research is examined by thorough and vigorous simulations and validated through mathematical modelling. Overall, the impact …
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Interference Management of Inband Underlay Device-toDevice Communication in 5G Cellular Networks
… increased energy efficiency. Device-to-Device (D2D) communication is one of the several emerging technologies that has been proposed to support NGN in meeting these aforementioned requirements. D2D communication leverages the proximity of users to provide direct communication with or without …
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Energy Efficiency and Privacy in Device-to-Device Communication
… rates. To meet such demands, Device-to-Device (D2D) communication is regarded as a potential solution to solve the capacity bottleneck problem in legacy cellular networks. Apart from offloading cellular traffic, D2D communication, due to its intrinsic property to rely on proximity, enables a …
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GNN-Enhanced Hierarchical Federated Learning in Device-to-Device Networks
… overhead and poor scalability. Device-to-device (D2D) communication enables devices to exchange model updates directly and perform local aggregation, alleviating the communication bottleneck and reducing reliance on the central server. Nevertheless, deploying FL in D2D networks still faces …
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Radio resource management techniques for industrial IoT in 5G-and beyond networks
… for 5G-and-beyond networks. Device-to-Device (D2D) communication is a key technology to facilitate Ultra-Reliable Low-Latency Communication (URLLC). Efficient Radio Resource Management (RRM) techniques are necessary to address the challenges posed by interference. The main objective of the …
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Advanced Multiple-Input and Multiple Output Technology in Wireless Communication Networks
… proposed for a random wireless device to-device (D2D) network, where each node is equipped with a local cache and intends to download files from a prefixed library via D2D links. The distributed MIMO technology is employed between source nodes and neighbours of the destination node for cache …
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Security for network services delivery of 5G enabled device-to-device communications mobile network
… Mobile Broadband (eMBB). Device-to-Device (D2D) communications will be used as the underlaying technology to offload traffic from 5G Core Network (5GC) and push content closer to User Equipment (UE). It will be supported by a variety of Network Service (NS) such as Content-Centric Networking …
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Ultrawideband IEEE802.15.4a Cognitive Localization Methods for the 5G Environment
… An impulse radio (IR)-UWB device-to-device (D2D) WWAN is further proposed with channel time partitioned into discrete micro-channel slots (DMCS) along with a cluster formation scheme that achieves above 350Mbps network throughput in comparison with 100Mbps cellular and 250Mbps wi-fi standards …
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Modelling and simulation of device to device based protocol for ultra-reliable low latency communication
… is about the simulation of Device to Device (D2D) communication using MATLAB coding. The focus of system design is for Ultra- Reliable Low Latency Communication (URLLC) system. It is important to understand the D2D communication concept through coding. By doing this way, it helps to save cost, …
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Radio Resource Management in 5G Cellular Networks
… as beamforming technique and device-to-device (D2D) communications, the definition of very simple random access procedure to meet the requirements of low-complexity connected devices, and various network architectures, like Millimeter-Wave Mobile Broadband (MMB) and single-cell. In the context …
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multimedia transmission over wireless networks: performance analysis and optimal resource allocation
… cognitive radio networks and device-to-device (D2D) cellular wireless networks is addressed. Closed-form bit error rate (BER) expressions are derived and optimal power control strategies are determined.</p> <p>Next, throughput and optimal resource allocation strategies are studied for multimedia …
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Delay QoS Provisioning and Optimal Resource Allocation for Wireless Networks
… and resource allocation for device-to-device (D2D) cellular networks are studied. As the starting point, ransmission mode selection and resource allocation are analyzed for a time-division multiplexed (TDM) cellular network with one cellular user, one base station, and a pair of D2D users under …
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Software Defined Radio For Hybrid Beamforming Applications
… to specific application for drone-to-drone or D2D communication independent of intervention from base stations. Applying beamforming techniques to devices such as drones can solve poor quality signal detection at the receivers due to the interference signals generated by other devices in the …
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Scheduling wireless transmissions exploiting application awareness and knowledge of the future
… the design of scheduling algorithms for dynamic D2D networks where links are set up to mediate file transfers among close by users, but with limited `contact' times or deadlines. Our focus is on improving three performance metrics: (1) overall offload data; (2) number of transfers which complete …
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QoE Driven Multimedia Service Schemes in Wireless Networks Resource Allocation: Evolution from Optimization, Game Theory, to Economics
… we first investigated the Device to Device (D2D) relaying approach in the conventional Base Station (BS) to User Equipment (UE) two entities multimedia service system. In this part, the Multiple Input Multiple Output (MIMO) technology will be implemented in the D2D communication. Furthermore, …
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Optimalizace interferencí v celulárních komunikačních systémech
… zkoumá charakteristiky kanálu komunikace D2D v rámci sítě LTE Advanced, a navrhuje mechanismy optimalizace interferencí. Rovněž je v práci prezentována struktura softwarově definované rádiové platformy, která může být využita pro vyhodnocení rádiových kanálů. Druhá kapitola hodnotí a …
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Capacity and coverage of mmWave ad hoc networks
… areas, or consumers in device-to-device (D2D) applications. Ad hoc networks, however, are stilled plagued by interference. Communication with millimeter-wave (mmWave) devices offers hope to ad hoc networks through higher bandwidth, reduced interference due to directional antennas, and a …
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Intelligent transportation systems leveraging next-generation mobile devices, sensors, and networks
… ITS application that leverages device-to-device (D2D) communications to enable highly granular, widespread traffic management in cities: RoadRunner. We evaluate RoadRunner with both simulation studies and an experimental deployment on real vehicles to show that it achieves fine-grained traffic …
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Wireless Communications and Networking with Unmanned Aerial Vehicles: Fundamentals, Deployment, and Optimization
… with a UAV base station and deviceto-device (D2D) users. The results reveal the fundamental tradeoffs in such a UAV-D2D network that allow adopting appropriate system design parameters. Then, this dissertation sheds light on the design of three new drone-enabled wireless systems. First, a …
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