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 14 of 14 for “"RF Transceiver"”.
-
Batteryless RF transceiver for wireless sensor networks
… in 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 …
-
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 …
-
Lower power RF transceiver modeling and design for wireless microsensor networks
… abstraction. For microsensor networks, the RF transceiver dominates the power consumption. The concept of transceiver power efficiency is introduced, which defines the ratio of RF transmit power to transceiver electronics power, to show that short-range RF transceivers have low transceiver …
-
White RHINO: a low-cost communications radar hardware platform
… the White RHINO(Reconfigurable Hardware Interface for computation and radio) hardware platform was developed. It aims to fill the gap of low-cost commercial hardware platforms available for Whitespace-based Communications Radar. Being a Communications Radar platform, the White RHINO had to be …
-
Digital communication and control circuits for 60ghz fully integrated CMOS digital radio
… radio chipset comprises of PHY and MAC layers, RF transceiver, High-Speed Digital Interface and an underlying Serial Communication Fabric. To have a complete communication solution compliant with the latest ECMA-369, ISO/DIS 13156 and IEEE 802.15.3c standards, we build a million gate digital …
-
BPSK system analysis using MEMS filters
… high-Q filters to be incorporated over a typical RF transceiver die. Selection of these filters allows the band, channel, and bandwidth to be rapidly changed in operation. Having integrated Microelectromechanical Systems (MEMS) filters eliminates the need for off-chip components such as crystal …
-
Monolithic RF frontends for ubiquitous wireless connectivity
… explores architectures for next-generation RF frontends, which form the interface between the RF transceiver and antenna. RF frontend performance has important implications for the energy efficiency, frequency range and sensitivity of the radio. Ubiquitous connectivity requires bringing …
-
Continuous-Time Delta-Sigma Modulators for Ultra-Low-Power Radios
… today require cheap low power radio frequency (RF) transceivers that can provide reliable connectivity at all times. In an RF transceiver, the analog-to-digital converter (ADC) is one of the most important parts and it is also one of the main power consumers. There are several architectures for …
-
Multifunction Radio Frequency System Design Using Nonlinear Models
Multifunction radio frequency (RF) systems provide a general-purpose hardware platform for designers to implement arbitrary waveform transmission and reception. In this thesis, a multifunction RF transceiver is designed, simulated and tested. The transceiver was designed for radar applications …
-
PicoRF: A PC-based SDR Platform using a High Performance PCIe Plug-in Card Extension
… contributing to the size of SDR units is the RF front end. Using current technology, wide-band operation of SDR RF front-ends is achieved by aggregating multiple dedicated components, each covering a portion of the frequency range. Recent technology advances have enabled the integration of …
-
Miniaturised and reconfigurable planar filters for ultra-wideband applications
… to the user. Each band may require a separate RF transceiver and such modern wireless multi-band multi-mode communication systems call for high performance, highly integrated compact modules. Since the Federal Communications Commission (FCC) released the unlicensed frequency band 3.1-10.6 GHz …
-
Low Power Techniques for Future Network-on-Chip Architectures
… of the NoC fabric without degrading the performance metrics. Energy savings ranging from 20% to 43% have been observed without any relevant impact on the performance metrics. Wireless networks-on-chip (WiNoCs), have been recently proposed as candidate solutions for addressing the …
-
A High Temperature RF Front-End of a Transceiver for High Speed Downhole Communications
… cooling systems or tolerating degraded performance. Recently, there has been a demand for more robust electronics that can operate at higher temperature without sacrificing the performance or the use of any weighty, power hungry, complex cooling systems. One of the major industries that …
-
Low-Power RF Front-End Design for Wireless Body Area Networks
… products are high, meeting required device performance with a meager amount of power consumption poses significant design challenges. In order to address these issues, IEEE has recently developed a draft of IEEE 802.15.6 standard dedicated to low bit-rate short-range wireless communications …