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 244 for “"Transceiver"”.
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2GHz W-CDMA Radio Transceiver
A radio transceiver has been designed and built for a W-CDMA experimental system operating at 2GHz. The radio is an RF front-end for mobile terminals. The radio provides the functions of modulation and demodulation to enable transmitting and receiving digital information through the air link. The …
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Ultra-Wideband Transceiver Design And Optimization
… key difference with the traditional narrowband transceiver is that instead of using continuous wave (CW) transmission, impulses in time are used. The timing accuracy associated with these impulses require synchronization in time, rather than synchronization in frequency for carrier-based CW …
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THz transceiver/two-photon absorption autocorrelator
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2002.
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Transceiver Design for Ultra-Wideband Communications
… is specifically focused on a software radio transceiver design for impulse-based UWB with the ability to transmit a raw data rate of 100 Mbps yet encompasses the adaptability of a reconfigurable digital receiver. A 500 ps wide Gaussian pulse is generated at the transmitter utilizing the …
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Quantum dot-based semiconductor Terahertz transceiver systems
… explore the feasibility of a fully QD-based THz transceiver system and draw some conclusions as to the future potential for ultra-compact or even lab-on-chip THz systems, for example.
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Batteryless RF transceiver for wireless sensor networks
… the last few years. In this work a complete RF transceiver for WSN applications is presented, which includes a RF energy harvesting system, a power management unit and a RF front end. The transceiver is able to operate by scavenging the required DC power from the incoming RF signal, thus …
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An FPGA Software-Defined Ultra Wideband Transceiver
… along with two systems which make use of the transceiver: a pilot-based matched filter communications system, and a remote vital signs monitor.
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An 8 GHz Ultra Wideband Transceiver Testbed
… 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 supporting raw data rates of up to 100 MB/s. The …
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A Novel Intrabody Communication Transceiver for Biomedical Applications
Intrabody communication (IBC) is a new physical layer defined in the recently ratified wireless body area network (WBAN) IEEE 802.15.6 standard. The cable-free IBC technology uses body tissue as a propagation medium instead of air. While recent studies have shown a degradation of transmission …
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Transceiver design for wireless energy harvesting cooperative networks
In this thesis, the RF energy harvesting technique is studied in the cooperative wireless network, and different optimization studies are investigated. First, an energy-efficient optimization is considered in the cooperative system with the time switching relaying and power splitting relaying …
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Design of energy-efficient high-speed wireline transceiver
… approach maximizes the energy efficiency of a transceiver without any performance loss, and as a prototype, a source-synchronous multi-Gb/s transceiver that achieves excellent energy efficiency lower than 0.3pJ/bit is presented. To this end, the proposed transceiver employs aggressive supply …
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System Design of a High-Temperature Downhole Transceiver
… group saw the prototyping of a high bit rate transceiver operating at 230 MHz - 300 MHz and 230 degrees Celsius; however, at these frequencies, the system could not meet size requirements. Thus, a new high-temperature high data rate transceiver design using the 2.4 GHz - 2.5 GHz ISM band is …
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Transmitter Design in a Commercial Marine, Single-Sideband Transceiver
… state of- the-art, single -sideband, 2-17 MHz transceiver is presented. A short discussion of the theory of single sideband and a comparison of single sideband systems with amplitude modulated systems are also presented. The unique requirements of commercial, marine communications are …
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Transceiver design and system optimization for ultra-wideband communications
… solutions to the challenges of designing transceivers and optimizing system parameters in ultra-wideband (UWB) systems. The goal is to provide guidelines for UWB transceiver implementations under constraints by regulation, existing interference, and channel estimation. New UWB pulse shapes …
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Ultra-low power radio transceiver for wireless sensor networks
… and implementation of ultra-low power radio transceivers at microwave frequencies, which are applicable to wireless sensor network (WSN) and, in particular, to the requirement of the Speckled Computing Consortium (or SpeckNet). This was achieved through quasi-MMIC prototypes and monolithic …
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An energy efficient RF transceiver for wireless microsensor networks
… networks require a low-power, energy efficient transceiver that can operate for years on a single battery. Existing wireless transceivers designed for low-power wireless standards like IEEE 802.15.4 have difficulty meeting such stringent energy requirements. Thus, a custom on-off keying wireless …
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Techno-economical evaluation of intra-datacenter optical transceiver designs
… Scenarios for deployment of six different transceiver package platforms to meet the projected data center capacity scaling ramp are constructed. The iterative designs provide better return on investment for a 3-year time window, while the transformational designs are optimized for a 20-year …
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