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 13 of 13 for “"twisted pair"”.
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Performance Enhancement in Copper Twisted Pair Cable Communications
The thesis focuses on the area of copper twisted pair based wireline communications. As one of the most widely deployed communication media, the copper twisted pair cable plays an important role in the communication network cabling infrastructure. This thesis looks to exploit diversity to improve …
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A Novel Long-Range Passive UHF RFID System over Twisted-pair Cable
… a novel large-range passive UHF RFID system over twisted-pair cable is proposed in this dissertation. This new system consists of one baseband central controller and one antenna subsystem, connected by a commonly used twisted-pair cable. It is shown that transmitting/receiving low frequency …
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The Impact of Higher Order Pulse Amplitude Modulation and Transmission Performance over Twisted Pair Cable
… cabling [1, pp. 8-15]. It is also known as Twisted Pair and it is of immense importance for the cabling of communication networks. At the time of writing this thesis, data rates of up to 10 GBit/s over a transmission distance of 100 m and 40 GBit/s over a transmission distance of 30 m are …
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Model-Based Identification of POTS Local Loops for DSL Connectivity Prediction
… an existing plain old telephone service (POTS) twisted pair local loop - is vital to DSL providers. We have approached the challenge as an identification problem of the local loop structure and its twisted pair parameters, utilizing single-point measurements made at the provider end of the loop. …
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Physically-Based Realizable Modeling and Network Synthesis of Subscriber Loops Utilized in DSL Technology
… and are typically comprised of multi-conductor twisted pair type currently being used on existing telephone subscriber loops. This system identification problem was investigated through the application of single port measurements, with preference being placed on measurements taken from the …
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Modelling of Electromagnetic Surface Wave Propagation for High-Speed Communications
… systems supporting surface waves. In particular, twisted pair cables are studied. Experimentally observed stop bands are explained through contradirectional mode coupling which can occur in systems without helical symmetry. The many-conductor transmission line model for surface waves on uniform …
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High Frequency Ethernet Cabling Analysis and Optimization
… P802.3bq to create standards for 40GBASE-T over twisted pair cables. The 40GBASE-T is expected to offer bandwidth of up to 2000MHz over a maximum channel length of 30m. The research investigated means of predicting key performance parameters in Ethernet cabling standardization using the 40GBASE-T …
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An approach to the estimation of life cycle costs of a fiber-optic application in military aircraft
… life cycle costs for alternative coaxial/twisted pair wire and optical fiber avionics. Measures of effectiveness are suggested for each alternative system. An approach, which structures the technological and demand uncertainties of fiber optics, is developed through scenarios as a means of …
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Effective distribution of high bandwidth to the last mile
… of digital data. The current infrastructure of twisted pair is very close to its upper limits. As a result, consumers are unable to enjoy the full potential of the Internet and generally do not have access to enhanced services such as enriched multimedia services, converged voice, video, and …
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Cable Noise in Impedance Measurements
This thesis focuses on the analysis of cable noise in impedance measurements. Specifically, the focus is on cables being developed for embedded sensing applications. In many applications, such as torque sensing and embedded fatigue and corrosion sensing, it is not feasible to have the probe …
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Experimental study of multi-gigabit copper data communication over surface wave links
… requirements, copper network access over twisted pairs is reaching data rate limitations. Fibre-to-premises deployment is however much slower, costly and time consuming than previously anticipated [1]. In the following research, we are exploring the potential of using surface wave mode …
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New Approach to Dynamic Spectrum Management for DSL Environments = Contribución a la gestión dinámica del espectro en es escenarios DSL
… worldwide. It is realized that the main impairments affecting the performance of data transmissions in copper cables is the crosstalk among the lines. Dynamic spectrum management (DSM) was developed to combat this obstacle by allowing adaptive allocation of spectrum to various users in a …
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Geometry of the Hitchin Morphism and Spectral Correspondences
… of arbitrary rank on a given algebraic curve and twisted pairs on another algebraic curve, mostly from a linear-algebraic standpoint. We aim to generalize the language of classical spectral correspondence by the annihilating polynomials of pairs. In a particular application, we realize a generic …