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 20 of 171 for “"Transceivers"”.
-
OFDM turbo transceivers
… (OFDM). More explicitly, powerful turbo transceivers invoking Sphere Packing (SP) modulation are designed using EXtrinsic Information Transfer (EXIT) charts for both single-user and multi-user transmission. In order to provide an attractive suite of single-user OFDM transceivers, we …
-
Low power rf transceivers
… the analysis and design of ultra-low power radio transceivers operating at microwave frequencies. Hybrid prototypes and Monolithic Microwave Integrated Circuits (MMICs) which achieve power consumptions of less than 1 mW and theoretical operating ranges of over 10 m are described. The motivation …
-
Energy-efficient wireline transceivers
Power-efficient wireline transceivers are highly demanded by many applications in high performance computation and communication systems. Apart from transferring a wide range of data rates to satisfy the interconnect bandwidth requirement, the transceivers have very tight power budget and are …
-
Integrated Filter Antennas for Wireless Transceivers
… integration of filters and antennas for wireless transceivers. Filters and antennas are parts of wireless transceivers of all wireless communication systems. Filters and antennas, albeit connected, are separate circuits which take up their own individual space in wireless transceivers. Moreover, …
-
Enabling Blocks for Integrated CMOS UWB Transceivers
… enabling blocks for MB-OFDM UWB CMOS single-chip transceivers, namely the frequency synthesizer and the transmission mixer and power amplifier. First we discuss three different models for the simulation of chargepump phase-locked loops, namely the continuous time s-domain and discrete time …
-
Wide band TX Leakage Cancellation for FDD Transceivers
Frequency division duplex (FDD) is the most widely used full duplex technique for modern wireless communication systems. A device called a duplexer is needed in order to separate the transmitter (TX) and the receiver (RX) signals. To avoid RX being saturated and desensitized, the isolation between …
-
Predictive models for power dissipation in optical transceivers
… most influence the power dissipation optical transceivers in the future.
-
Performance Analysis Of Low-power, Short-range Wireless Transceivers
… the field of wireless communications, different transceivers have been designed to operate at various frequencies such as 450 MHz, 902-920 MHz, 2.4 GHz, all part of designated ISM band. Though, the wireless systems have become more reliable, compact and easy to develop than before, a detailed …
-
A CMOS Frequency Synthesizer for Wireless Sensor Network transceivers
Negli ultimi anni il mercato dei sistemi wireless è cresciuto immensamente. I sistemi di comunicazione wireless sono penetrati in tutti gli aspetti della nostra vita, dal lavoro al tempo libero, e sono diventati per noi indispensabili. Lo sviluppo di dispositivi a bassissimo consumo di potenza …
-
Systems and circuits for broadband contactless and wireline transceivers
… enabled the development of efficient wireline transceivers. However, their communication bandwidth still struggles to keep pace with the rapid increase in data traffic, making wireline communication the bottleneck in overall system performance. Additionally, in user applications such as …
-
Towards optimal capacity-achieving transceivers with photonic integrated circuits
Optical communication systems have many advantages over communication systems that operate in the radio-frequency range, including decreased size, weight, and power consumption and increased bandwidth. As a result, optical communication systems are emerging as the ideal choice in many …
-
Prolate Spheroidal Sequence Based Transceivers for Time-Frequency Dispersive Channels
Most existing transceivers are Fourier-centric where complex sinusoids play a central role in the internals of the core building blocks. From the channel perspective, complex sinusoids constitute the fundamental effects in the wireless baseband equivalent channel model; exemplified by the …
-
An Analog/Mixed Signal FFT Processor for Ultra-Wideband OFDM Wireless Transceivers
As Orthogonal Frequency Division Multiplexing (OFDM) becomes more prevalent in new leading-edge data rate systems processing spectral bandwidths beyond 1 GHz, the required operating speed of the baseband signal processing, specifically the Analog- to-Digital Converter (ADC) and Fast Fourier …
-
Monostatic Airborne Synthetic Aperture Radar Using Commercial WiMAX Transceivers In the License-exempt Spectrum
… to directly apply commercial WiMAX base station transceivers in unlicensed band to airborne SAR application, we propose a radio-frequency (RF) front design together with a signal processing means. To be specific, a double-pole, double-throw (DPDT) switch is inserted between an antenna and two …
-
Novel DWT-DAPSK based transceivers for DVB-T transmission and next generation mobile networks
Digital wireless communication has become one of the most exciting research topics in the electronic engineering field due to the explosive demands for high-speed wireless services, such as cellular video conferencing. The second generation Terrestrial Digital Video Broadcasting (DVB- T2) has been …
-
The Analysis and Design of Phase-tunable Low-Power Low-Phase-Noise I/Q Signal Sources for Analog Phase Calibrated Transceivers
… integration of system-on-chip wireless transceivers, the image-reject, zero-IF and low-IF receiver architectures have become the main topologies used in mainstream wireless communication systems. Consequently, signal sources with quadrature phase outputs [quadrature oscillators (QOs)] …
-
Asynchronous bi-directional relay-assisted communication networks
… relay network, consisting of two singleantenna transceivers and multiple single-antenna relays, where the transceiver-relay paths are subject to different relaying and/or propagation delays. Such a network can be viewed as a multipath channel which can cause inter-symbol-interference (ISI) in …
-
Jointly optimal pre- and post-channel equalization and distributed beamforming in asynchronous bi-directional relay networks
… two-way relay network, consisting of two transceivers and multiple relays, where due to the propagation delays of different transceiver-relay paths being different, inter-symbol- interference (ISI) exists at both transceivers. In this work, pre- and post-channel equalization blocks are …
Page 1 of 9