Browsing Electronic Theses and Dissertations by Author "Saadat Mehr, Aryan"
Now showing items 1-20 of 31
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A low complexity image compression algorithm for Bayer color filter array
Rahman, K M Mafijur M 1991-; 0000-0003-1366-5004 (2018-06-14)The abstract of this item is unavailable due to an embargo. -
Adaptive multilevel quadrature amplitude radio implementation in programmable logic
Aspel, Daniel T (2004-04-22)Emerging broadband wireless packet data networks are increasingly employing spectrally efficient modulation methods like Quadrature Amplitude Modulation (QAM) to increase the channel efficiency and maximize data throughput. ... -
Analytical Investigation of On-Path Caching Performance in Information Centric Networks
Montazeri Ghahjavarestani, Alireza 1985- (2018-09-25)Information Centric Networking (ICN) architectures are proposed as a solution to address the shift from host-centric model toward an information centric model in the Internet. In these architectures, routing nodes have ... -
Carrier frequency offset recovery for zero-IF OFDM receivers
Mitzel, Michael (2009)As trends in broadband wireless communications applications demand faster development cycles, smaller sizes, lower costs, and ever increasing data rates, engineers continually seek new ways to harness evolving technology. ... -
Channel Estimation in Coded Modulation Systems
Andalibi, Zohreh (2012-09-20)With the outstanding performance of coded modulation techniques in fading channels, much research efforts have been carried out on the design of communication systems able to operate at low signal-to-noise ratios (SNRs). ... -
Channel estimation, data detection and carrier frequency offset estimation in OFDM systems
Ahmadi, Malihe (2007)Orthogonal Frequency Division Multiplexing (OFDM) plays an important role in the implementation of high data rate communication. In this thesis, the problems of data detection and channel and carrier frequency offset ... -
Data Detection and Channel Estimation of OFDM Systems Using Differential Modulation
Khizir, Zobayer Abdullah (2009)Orthogonal Frequency Division Multiplexing (OFDM) is a multicarrier modulation technique which is robust against multipath fading and very easy to implement in transmitters and receivers using the inverse fast Fourier ... -
A digital relaying algorithm for integrated power system protection and control
Demeter, Elemer (2005-06-27)Recent developments in data packets based high speed digital communications have opened the door for new types of applications in power system protection and control. Intelligent Electronic Devices (IEDs) are equipped with ... -
ECG compression for Holter monitoring
Ottley, Adam Carl (2007-04-11)Cardiologists can gain useful insight into a patient's condition when they are able to correlate the patent's symptoms and activities. For this purpose, a Holter Monitor is often used - a portable electrocardiogram (ECG) ... -
An Efficient DOCSIS Upstream Equalizer
Choudhury, Md. Mushtafizur R. (2014-04-01)The advancement in the CATV industry has been remarkable. In the beginning, CATV provided a few television channels. Now it provides a variety of advanced services such as video on demand (VOD), Internet access, Pay-Per-View ... -
An equalization technique for high rate OFDM systems
Yuan, Naihua (2003-12-01)In a typical orthogonal frequency division multiplexing (OFDM) broadband wireless communication system, a guard interval using cyclic prefix is inserted to avoid the inter-symbol interference and the inter-carrier interference. ... -
Groundbased instrumentation for measurements of atmospheric airglow
Loewen, Paul (2005-01-21)A groundbased instrument to measure the Atmospheric airglow of the molecular oxygen infrared atmospheric band emission was designed, built, tested and operated. The two channel photometer constructed was based on the ... -
Hybrid intelligent machine systems : design, modeling and control
Ouyang, Puren (2005-08-25)To further improve performances of machine systems, mechatronics offers some opportunities. Traditionally, mechatronics deals with how to integrate mechanics and electronics without a systematic approach. This thesis ... -
Identification of linear periodically time-varying (LPTV) systems
Yin, Wutao (2009-08)A linear periodically time-varying (LPTV) system is a linear time-varying system with the coefficients changing periodically, which is widely used in control, communications, signal processing, and even circuit modeling. ... -
Incorporating substation and switching station related outages in composite system reliability evaluation
Nighot, Rajesh U (2003-09-25)This thesis presents the development of a new method for incorporating station related outages in composite or bulk system reliability analysis. Station related failures can cause multiple component outages that can propagate ... -
Low-complexity iterative receivers for multiuser space-time block coding systems
Yang, Yajun (2006-10-18)Iterative processing has been shown to be very effective in multiuser space-time block coding (STBC) systems. The complexity and efficiency of an iterative receiver depend heavily on how the log-likelihood ratios (LLRs) ... -
A low-power quadrature digital modulator in 0.18um CMOS
Hu, Song (2007-04-09)Quadrature digital modulation techniques are widely used in modern communication systems because of their high performance and flexibility. However, these advantages come at the cost of high power consumption. As a result, ... -
A neural network face detector design using bit-width reduced FPU in FPGA
Lee, Yongsoon (2007-02-02)This thesis implemented a field programmable gate array (FPGA)-based face detector using a neural network (NN), as well as a bit-width reduced floating-point unit (FPU). An NN was used to easily separate face data and ... -
Optimization in multi-relay wireless networks
Nguyen, Huu Ngoc Duy (2009)The concept of cooperation in communications has drawn a lot of research attention in recent years due to its potential to improve the efficiency of wireless networks. This new form of communications allows some users to ... -
Out-of-step Protection Using Energy Equilibrium Criterion in the Time Domain
Paudyal, Sumit (2008)Disturbances in power systems are common and they result in electromechanical oscillations called power swing. The power swings could be severe and it may lead to loss of synchronism among the interconnected generators. ...