RSS 1.0M Tech (EC) Dissertations
Browse by
Recent Submissions
-
Phase Based Methods for Various Speech Applications
(Dhirubhai Ambani Institute of Information and Communication Technology, 2023)Vocal communication plays a fundamental role in human interaction and expression.Right from the first cry to adult speech, the signal conveys information aboutthe well-being of the individual. Lack of coordination between ... -
A Spectrally Efficient MIMO System with Sparse Matrix Precoding
(Dhirubhai Ambani Institute of Information and Communication Technology, 2023)This thesis proposes a novel technique of sparse matrix-based precoding at thetransmitter of a Multiple Input Multiple Output (MIMO) system. We proposedtwo sparse matrix precoded MIMO systems. Our first proposal improves ... -
Self-Supervised Speech Representation for Speech Recognition
(Dhirubhai Ambani Institute of Information and Communication Technology, 2022)Voice Assistants (VAs) are nowadays an integral part of human�s life. The low resource applications of VAs, such as regional languages, children speech, medical conversation, etc are the key challenges faced during development ... -
Significance of Teager Energy Operator for Speech Applications
(Dhirubhai Ambani Institute of Information and Communication Technology, 2022)Speech is used in various applications apart from voice communications, such as pathology detection, severity-level classification of dysarthria, and replay spoof speech detection for voice biometric and voice assistants. ... -
Improved Multi-scale Retinex For Image Enhancement Using Guided Filter And Customized Sigmoid Function With Its Implementation On FPGA
(Dhirubhai Ambani Institute of Information and Communication Technology, 2022)Image enhancement is a technique used in digital image processing to remove or overcome the effects of noise, low illumination, blurriness, or color loss in the digital image. These effects arise during the process of image ... -
Identification of Block-Sparse Systems using Adaptive Filtering Algorithms
(Dhirubhai Ambani Institute of Information and Communication Technology, 2022)An adaptive filter is a system with a linear filter that has a transfer function controlled byvariable parameters and a means to adjust those parameters according to an optimizationalgorithm. Adaptive filters are used for ... -
Classification of Pathological Infant Cries and Dysarthric Severity-Level
(Dhirubhai Ambani Institute of Information and Communication Technology, 2022)Vocal communication is the most important part of any individual�s life to convey their needs. Right from the first cry of neonates to the matured adult speech, required proper brain co-ordination. Any kind of lack in ... -
Development of Countermeasures for Voice Liveness and Spoofed Speech Detection
(Dhirubhai Ambani Institute of Information and Communication Technology, 2022)An Automatic Speaker Verification (ASV) or voice biometric system performs machine based authentication of speakers using voice signals. ASV is a voice biometric system which has applications, such as banking transactions ... -
Implementation of ALU using RTL to GDSII flow and on NEXYS 4 DDR FPGA board
(2021)An ALU is the major part of the CPU which performs various arithmetic and logical operations. It is one of the most frequently used modules in the processor. This paper presents the implementation of 8-bit ALU using RTL ... -
Analysis of security vulnerabilities in 5G standalone network
(2021)The first release of the 5G protocol specifications,3rd Generation Partnership Project (3GPP) Release 15 was released in 2017 and the first 5G protocol security specifications was published in 2018. There are various ... -
Gradient based Adaptive Channel Estimation for Orthogonal Time Frequency Space (OTFS)
(2021)The next generation wireless system with high mobility requirements brings the challenge to mitigate the effect of a time-varying channel. Conventional multicarrier systems like Orthogonal frequency division multiplexing ... -
Channel Estimation for Orthogonal Time Frequency Space Modulation using Recursive Least Squares
(2021)For its capacity to provide high data rates to a wide number of users, 4G wireless communications had a huge success in the previous decade. With the Internet of Things (IoT) and high mobility scenarios such as vehicle-to-vehicle ... -
Enhanced Device FingerPrinting in 4G LTE Communication Networks
(2021)Long Term Evolution in the field of mobile wireless communication, its wide availability and the surge of data usage among the millennial in recent years, which led to the new world of information society, plays the pivotal ... -
Security Enhancement using Channel State Information for Multicarrier Modulation
(2021)Wireless technologies of the fifth generation (5G) are vital to advancing Internet-of- Things (IoT) networks in the future. Information security in wireless networks is one of the most difficult problems due to the open ... -
Malicious Node Detection for various Heterogenous IoT Communication Protocols
(2021)In recent years security is an increased concern for IoT devices. Due to limited capabilities compared to traditional computer systems, these tiny devices cannot run the heavy encryption algorithms required for preventing ... -
Beamforming for mitigation of interference for different antenna array geometry
(2021)DOA estimation and Beamforming is one of the most crucial requirements of the Communication system design of RADAR, Satellite communication, Wireless communication. This Estimation performance differs for different ... -
Compressive Sensing based Channel Estimation for Orthogonal Time Frequency Space (OTFS)
(2021)High speed mobility is a challenging case in wireless communication where orthogonal frequency division multiplexing (OFDM) performance degrades due tohigh Doppler effect. A new modulation scheme orthogonal time frequency ...