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 “"ultra wideband communication"”.
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Characterization of Ultra Wideband Communication Channels
Ultra-wideband (UWB) communication has been the subject of extensive research in recent years due to its unique capabilities and potential applications, particularly in short-range multiple access wireless communications. However, many important aspects of UWB-based communication systems have not …
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A platform for ultra wideband communication systems
… was designed. In addition, a platform for Ultra Wideband (UWB) communication development was implemented. The UWB communication platform is implemented to provide a unique testing tool for both transmission and reception of UWB signals. In debugging the system, the UWB communication proved …
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An all-digital transmitter for pulsed ultra-wideband communication
… their inherently duty-cycled nature, pulse-based Ultra-Wideband (UWB) systems are amenable to low-power operation by shutting off circuitry during idle mode between pulses. Furthermore, the use of non-coherent UWB signaling greatly simplifies both transmitter and receiver implementations, offering …
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Design of a Novel Quadruply-Doped Glass and Fiber Amplifier for Ultra-Wideband Communication
L'abstract è presente nell'allegato / the abstract is in the attachment
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Performance analysis of H.264 encoder for high-definition video transmission over ultra-wideband communication link.
… HD video transmission feasibility using the Ultra-wideband (UWB) communication channel is analyzed. The UWB channel is selected for its short-range, high-speed data transmission capability at low-cost, and low-power consumption. The maximum transmitting range of this technology is about 10 m …
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Digital CMOS Design for Ultra Wideband Communication Systems: from Circuit-Level Low Noise Amplifier Implementation to a System-Level Architecture
… particularly attractive for commercialization of ultra wideband (UWB) radios due to its low power and low cost. In addition to CMOS implementation, UWB radios would also significantly benefit from a radio architecture that enables digital communications. In addition to the normal challenges of …
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New Results on Selection Diversity over Fading Channels
… the design of low-complexity rake receivers for wideband CDMA and ultra wideband communication systems.
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An 8 GHz Ultra Wideband Transceiver Testbed
… changing the fundamental usage model of wireless communications devices, but the capabilities of these transceivers are often limited by the speed of the underlying processors and FPGAs. This thesis presents the digital design for an impulse-based ultra wideband communication system capable of …
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Ultra-Wideband for Communications: Spatial Characteristics and Interference Suppression
Ultra-Wideband Communication is increasingly being considered as an attractive solution for high data rate short range wireless and position location applications. Knowledge of the statistical nature of the channel is necessary to design wireless systems that provide optimum performance. This …
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A Software Defined Ultra Wideband Transceiver Testbed for Communications, Ranging, or Imaging
Impulse Ultra Wideband (UWB) communications is an emerging technology that promises a number of benefits over traditional narrowband or broadband signals: extremely high data rates, extremely robust operation in dense multipath environments, low probability of intercept/detection, and the ability …
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Synchronization in Impulse Based Ultra Wideband Systems
In Impulse Radio based Ultra Wide Band (UWB) systems, where sub-nano second pulses are used, synchronization is very challenging because of their short pulse duration and very low duty cycle. Coherent detection of ultra wide-band signals requires complex channel estimation algorithms. In impulse …
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Ultra-Wideband Fibre-Optic Systems in the Nonlinear Regime
… urgently need to be solved for optical fibre communication systems to enable the tremendous growth of Internet traffic. Optical communication networks are mainly limited by the power-dependent fibre nonlinearity which limits the capacity that can be achieved in such systems. This PhD thesis …