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 14 of 14 for “"Passive optical network"”.
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eStudy of BER Performance in Passive Optical Networks with Different Modulation Techniques
… of the broadband provision, professionals use optical fiber to account for the present and the future broadband demand.</p> <p>Power consumption and bandwidth capacity, which the optical fiber has offered, are two main requirements for success of any communication system. In this thesis several …
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Characterizing capital and operational tradeoffs resulting from fiber-to-the-home optical network architecture choice
… current literature in the areas of large-scale network design, multi-attribute population characterization, and cost modeling. Three technologies representing near, mid, and long-term fiber-to-the-home gigabit passive optical network solutions, and seven implementation strategies are dimensioned …
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An FPGA implementation of a sleep enabled PON system
… bandwidth-hungry video-on-demand applications, Passive Optical Network (PON) has been widely considered as one of the most promising solutions for broadband access. Environmental concerns motivated network designers to lower energy consumption of optical access networks. A well-known approach to …
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Design and analysis of spreading code and transceiver architectures for optical CDMA networks
… have reviewed both previous and current state of optical CDMA (OCDMA) technologies. Search for appropriate spreading codes is one of the main challenges of OCDMA applications and hence is an important topic which is heavily addressed in the literature. Existing codes have restrictions on …
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Dynamically reconfigurable long-reach PONs for high capacity access
… to customers. However, as the deployment of network infrastructure requires a substantial investment, the main obstacle to fibre deployment is that of financial viability. With this in mind, a logical strategy to offset network costs is to optimise the infrastructure in order to capture a …
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Topics in access, storage, and sensor networks
… Specification (DOCSIS) and IEEE 802.3ah Ethernet Passive Optical Network (ETON), two access networking standards, are studied. We study the impact of two parameters of the DOCSIS protocol and derive the probability of message collision in the 802.3ah device discovery scheme. We survey existing …
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On greening optical access networks
… concern, reducing energy consumption of optical access networks has become an important issue for network designers. In Ethernet passive optical network (EPON), the optical line terminal (OLT) located at the central office broadcasts the downstream traffic to all optical network units …
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Very High Speed Coherent Passive Optical Networks
… the viability of coherent technology in a passive optical network (PON) setting. Coherent PON offers an alternative to IM/DD that can scale to higher datarates. This thesis focuses on datarates of 200 Gb/s per wavelength for next generation PON. Improving the cost competitiveness of …
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Fiber-Wireless Sensor Networks for Monitoring Distributed Generation in a Smart Grid Environment
… for these smart grid applications, such as fiber networks, microwave links, Wireless Sensor Networks (WSNs), etc. The use of heterogeneous solutions can be an attractive architecture option because they combine the advantages of two or more communication systems to provide the needed delay and …
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Future Extensions to Passive Optical Access Networks
… a number of significant challenges for existing network infrastructure. Fast growing populations in metropolitan regions require high density access networks to meet the growing need for bandwidth that results. Furthermore, new services such as high definition TV, online gaming and real-time …
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Opto-VLSI-based adaptive optical power splitter/combiner for next generation dynamic optical telecommunication networks
The demand for optical power splitters is growing globally, due to the rapid deployment of fibre-to-the-premises, optical metropolitan area network (MAN), and active optical cables for TV/Video signal transport. Optical splitters play an important role in passive optical network (PON) technology by …
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A novel storage area network (SAN) extension solution over passive optical networks (PONs)
… grid failure in North America, storage area network (SAN) extension has emerged as a critical option to ensure business continuity. However, SAN extension encounters challenges in the access network including the scalability, cost, bandwidth bottleneck, and throughput. In this dissertation, a …
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Improving energy efficiency and quality of service in an integrated wireless-optical broadband access network
… forcing telecommunication industries to rethink network design, and focus on developing high capacity mobile broadband networks. Accordingly, researchers have undertaken developmental work for an integrated wireless-optical broadband access network (WOBAN). Passive optical networks (PONs) and …