Course Content of 6ET3 Digital communication,of B.E. VIth Semester (Electronics & Telecommunication Engineering) of Sant Gadge Baba Amravati University, Maharashtra, India
Wireless digital communication and coding techniques newClyde Lettsome
Lecture about some modern digital communication techniques in this lecture. These techniques will include but are not limited to:
- Code Error Detection and correction
- Parity
- Cyclical Redundancy Coding (CRC)
- Hamming Code
- Digital Modulation Techniques
- Frequency Shift Keying (FSK)
- Binary Phase Shift Keying (BPSK)
- Quadrature Phase Shift Keying (QPSK)
- Channel Access
- Time Division Multiple Access (TDMA)
- Code Division Multiple Access (CDMA)
Wireless digital communication and coding techniques newClyde Lettsome
Lecture about some modern digital communication techniques in this lecture. These techniques will include but are not limited to:
- Code Error Detection and correction
- Parity
- Cyclical Redundancy Coding (CRC)
- Hamming Code
- Digital Modulation Techniques
- Frequency Shift Keying (FSK)
- Binary Phase Shift Keying (BPSK)
- Quadrature Phase Shift Keying (QPSK)
- Channel Access
- Time Division Multiple Access (TDMA)
- Code Division Multiple Access (CDMA)
Data Communication & Computer Networks:Digital Signal EncodingDr Rajiv Srivastava
These slides cover the fundamentals of data communication & networking. It covers Digital signal Encoding which are used in communication of data over transmission medium. it is useful for engineering students & also for the candidates who want to master data communication & computer networking.
Speech Analysis and synthesis using VocoderIJTET Journal
Abstract— In this paper, I proposed a speech analysis and synthesis using a vocoder. Voice conversion systems do not create new speech signals, but just transform existing one. The proposed speech vocoding is different from speech coding. To analyze the speech signal and represent it with less number of bits, so that bandwidth efficiency can be increased. The Synthesis of speech signal from the received bits of information. In this paper three aspects of analysis have been discussed: pitch refinement, spectral envelope estimation and maximum voiced frequency estimation. A Quasi-harmonic analysis model can be used to implement a pitch refinement algorithm which improves the accuracy of the spectral estimation. Harmonic plus noise model to reconstruct the speech signal from parameter. Finally to achieve the highest possible resynthesis quality using the lowest possible number of bits to transmit the speech signal. Future work aims at incorporating the phase information into the analysis and modeling process and also synthesis these three aspects in different pitch period.
Data communication & computer networking: Huffman algorithmDr Rajiv Srivastava
These slides cover the fundamentals of data communication & networking. it covers Huffman algorithm. it is useful for engineering students & also for the candidates who want to master data communication & computer networking.
These slides cover the fundamentals of data communication & networking. it covers all data types which are used in communication of data over transmission medium. it is useful for engineering students & also for the candidates who want to master data communication & computer networing.
Generation of Orthogonal Minimum Correlation Spreading Code for CDMA Systemidescitation
Code Division Multiple Access (CDMA) is one of the
most promising tools for multiple access in future generation
wireless communication systems. In CDMA system, within
the specific bandwidth a large number of users could be served
by assigning specific code to each user. In this paper, an attempt
has been made to generate a novel orthogonal spreading code
to support a large number of users for CDMA system by
maintaining minimum correlation values between them. The
proposed “Orthogonal Minimum Correlation Spreading
Code” (OMCSC) would be able to provide a large number of
spreading codes by simultaneously reducing the effect of
M ultiple Access Interference (MAI) in CDM A system.
Moreover, the Bit Error Rate (BER) performance of the
proposed code has been compared with different existing codes
in order to establish the supremacy of the proposed code over
the others under multi-user scenario.
Data Communication & Computer Networks:Digital Signal EncodingDr Rajiv Srivastava
These slides cover the fundamentals of data communication & networking. It covers Digital signal Encoding which are used in communication of data over transmission medium. it is useful for engineering students & also for the candidates who want to master data communication & computer networking.
Speech Analysis and synthesis using VocoderIJTET Journal
Abstract— In this paper, I proposed a speech analysis and synthesis using a vocoder. Voice conversion systems do not create new speech signals, but just transform existing one. The proposed speech vocoding is different from speech coding. To analyze the speech signal and represent it with less number of bits, so that bandwidth efficiency can be increased. The Synthesis of speech signal from the received bits of information. In this paper three aspects of analysis have been discussed: pitch refinement, spectral envelope estimation and maximum voiced frequency estimation. A Quasi-harmonic analysis model can be used to implement a pitch refinement algorithm which improves the accuracy of the spectral estimation. Harmonic plus noise model to reconstruct the speech signal from parameter. Finally to achieve the highest possible resynthesis quality using the lowest possible number of bits to transmit the speech signal. Future work aims at incorporating the phase information into the analysis and modeling process and also synthesis these three aspects in different pitch period.
Data communication & computer networking: Huffman algorithmDr Rajiv Srivastava
These slides cover the fundamentals of data communication & networking. it covers Huffman algorithm. it is useful for engineering students & also for the candidates who want to master data communication & computer networking.
These slides cover the fundamentals of data communication & networking. it covers all data types which are used in communication of data over transmission medium. it is useful for engineering students & also for the candidates who want to master data communication & computer networing.
Generation of Orthogonal Minimum Correlation Spreading Code for CDMA Systemidescitation
Code Division Multiple Access (CDMA) is one of the
most promising tools for multiple access in future generation
wireless communication systems. In CDMA system, within
the specific bandwidth a large number of users could be served
by assigning specific code to each user. In this paper, an attempt
has been made to generate a novel orthogonal spreading code
to support a large number of users for CDMA system by
maintaining minimum correlation values between them. The
proposed “Orthogonal Minimum Correlation Spreading
Code” (OMCSC) would be able to provide a large number of
spreading codes by simultaneously reducing the effect of
M ultiple Access Interference (MAI) in CDM A system.
Moreover, the Bit Error Rate (BER) performance of the
proposed code has been compared with different existing codes
in order to establish the supremacy of the proposed code over
the others under multi-user scenario.
Online opportunistic routing using Reinforcement learningHarshal Solao
Cognitive radio network hold the key to achieve better radio bandwidth utilization and improve the quality of wireless application. The topology of Cognitive radio ad-hoc network can change dynamically through frequently changing nodes.
This project work propose a scheme that uses a reinforcement learning method to route the packet from source to destination in which nodes share channel information to each other to select best relay node among them.The main goal of this work
is to compute prior time channel availability using of Hidden Markov Model. This
scheme model strategic interaction among multiple cognitive nodes for selecting best
candidate forwarder and maximize average per packet reward between source and
destination. That collectively addresses the issue of learning and routing in an opportunistic manner even in the absence of reliable knowledge about channel statistics and network model.
The Reliability in Decoding of Turbo Codes for Wireless CommunicationsIJMER
International Journal of Modern Engineering Research (IJMER) is Peer reviewed, online Journal. It serves as an international archival forum of scholarly research related to engineering and science education.
International Journal of Modern Engineering Research (IJMER) covers all the fields of engineering and science: Electrical Engineering, Mechanical Engineering, Civil Engineering, Chemical Engineering, Computer Engineering, Agricultural Engineering, Aerospace Engineering, Thermodynamics, Structural Engineering, Control Engineering, Robotics, Mechatronics, Fluid Mechanics, Nanotechnology, Simulators, Web-based Learning, Remote Laboratories, Engineering Design Methods, Education Research, Students' Satisfaction and Motivation, Global Projects, and Assessment…. And many more.
Support Recovery with Sparsely Sampled Free Random Matrices for Wideband Cogn...IJMTST Journal
The main objective of this project is to design an eigenvalue-based compressive SOE technique using asymptotic random matrix theory. In this project, investigating blind sparsity order estimation (SOE) techniques is an open research issue. To address this, this project presents an eigenvalue-based compressive SOE technique using asymptotic random matrix theory. Finally, this project propose a technique to estimate the sparsity order of the wideband spectrum with compressive measurements using the maximum eigenvalue of the measured signal's covariance matrix. .
Field Effect Transistor, JFET, Metal Oxide Semiconductor Field Effect Transistor, Depletion MOSFET, Enhancement MoSFET, Construction, Basic operation, Regions of Operation, Drain Characteristics, Transfer Characteristics, Biasing, Non-Ideal Characteristics of E-MOSFET, DC Analysis, AC equivalent circuit and Parameters, E-MOSFET as an Amplifier, AC analysis, MOSFET as a Switch, MOSFET as a diode, MOSFET as a resistor, High frequency equivalent circuit, Miller Capacitance, Frequency Response, NMOS and CMOS inverter
Enhancement type Metal Oxide Semiconductor Field Effect Transistor, Basic Operation, Drain Characteristics, Transfer Characteristics, Regions of Operation
The Presentation is as per the syllabus of the subject ”Digital Communication” of B.E. VIth Semester of Sant Gadge Baba Amravati University, Maharashtra, India
Contents are
Digital Communication System
Line Coding
Scrambling
Immunizing Image Classifiers Against Localized Adversary Attacksgerogepatton
This paper addresses the vulnerability of deep learning models, particularly convolutional neural networks
(CNN)s, to adversarial attacks and presents a proactive training technique designed to counter them. We
introduce a novel volumization algorithm, which transforms 2D images into 3D volumetric representations.
When combined with 3D convolution and deep curriculum learning optimization (CLO), itsignificantly improves
the immunity of models against localized universal attacks by up to 40%. We evaluate our proposed approach
using contemporary CNN architectures and the modified Canadian Institute for Advanced Research (CIFAR-10
and CIFAR-100) and ImageNet Large Scale Visual Recognition Challenge (ILSVRC12) datasets, showcasing
accuracy improvements over previous techniques. The results indicate that the combination of the volumetric
input and curriculum learning holds significant promise for mitigating adversarial attacks without necessitating
adversary training.
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Overview of the fundamental roles in Hydropower generation and the components involved in wider Electrical Engineering.
This paper presents the design and construction of hydroelectric dams from the hydrologist’s survey of the valley before construction, all aspects and involved disciplines, fluid dynamics, structural engineering, generation and mains frequency regulation to the very transmission of power through the network in the United Kingdom.
Author: Robbie Edward Sayers
Collaborators and co editors: Charlie Sims and Connor Healey.
(C) 2024 Robbie E. Sayers
Cosmetic shop management system project report.pdfKamal Acharya
Buying new cosmetic products is difficult. It can even be scary for those who have sensitive skin and are prone to skin trouble. The information needed to alleviate this problem is on the back of each product, but it's thought to interpret those ingredient lists unless you have a background in chemistry.
Instead of buying and hoping for the best, we can use data science to help us predict which products may be good fits for us. It includes various function programs to do the above mentioned tasks.
Data file handling has been effectively used in the program.
The automated cosmetic shop management system should deal with the automation of general workflow and administration process of the shop. The main processes of the system focus on customer's request where the system is able to search the most appropriate products and deliver it to the customers. It should help the employees to quickly identify the list of cosmetic product that have reached the minimum quantity and also keep a track of expired date for each cosmetic product. It should help the employees to find the rack number in which the product is placed.It is also Faster and more efficient way.
Hierarchical Digital Twin of a Naval Power SystemKerry Sado
A hierarchical digital twin of a Naval DC power system has been developed and experimentally verified. Similar to other state-of-the-art digital twins, this technology creates a digital replica of the physical system executed in real-time or faster, which can modify hardware controls. However, its advantage stems from distributing computational efforts by utilizing a hierarchical structure composed of lower-level digital twin blocks and a higher-level system digital twin. Each digital twin block is associated with a physical subsystem of the hardware and communicates with a singular system digital twin, which creates a system-level response. By extracting information from each level of the hierarchy, power system controls of the hardware were reconfigured autonomously. This hierarchical digital twin development offers several advantages over other digital twins, particularly in the field of naval power systems. The hierarchical structure allows for greater computational efficiency and scalability while the ability to autonomously reconfigure hardware controls offers increased flexibility and responsiveness. The hierarchical decomposition and models utilized were well aligned with the physical twin, as indicated by the maximum deviations between the developed digital twin hierarchy and the hardware.
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The Benefits and Techniques of Trenchless Pipe Repair.pdf
Course Content of 6ET3 Digital communication
1. Digital Communication
Dr. S. M. Gulhane
Professor & Head, Dept. of Electronics & Telecommunication Engineering,
Jawaharlal Darda Institute of Engineering & Technology, Yavatmal
Sant Gadge Baba Amravati University, Maharashtra, India
Course Content: 6ET3 DIGITAL COMMUNICATION: B.E. VIth Sem
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Course Content
2. Course Objectives :
1. To study basic building blocks of digital communication system.
2. To learn information theory and theoretical bounds on the data rates of digital
communication.
3. To understand and analyze communication channel.
4. To study and analyze different digital modulation techniques.
5. To study baseband transmission of the signal.
6. To understand importance of channel encoding and decoding in digital
communication.
7. To study multiple access schemes and spread spectrum communication system.
6ET3 DIGITAL COMMUNICATION
The presentation is as per the syllabus of the subject 6ET3 ”Digital Communication” of B.E.
VIth Semester of Sant Gadge Baba Amravati University, Maharashtra, India
3. Course Outcomes :
Upon successful completion of this course, the student will be able to:
1. Understand basic building blocks of digital communication system and
formatting of digital signal.
2. Understand concepts of information theory and analyze information
transmission over communication channel.
3. Analyze performance of different digital modulation techniques.
4. Understand methods to mitigate inter symbol interference in baseband
transmission system.
5. Implement different error control coding schemes for the reliable transmission.
6. Understand various multiple access schemes and spreading techniques.
6ET3 DIGITAL COMMUNICATION
Dr. S.M.Gulhane JDIET,Yavatmal
4. 6ET3 DIGITAL COMMUNICATION
Unit 1:- Introduction to Digital Communication System (8)
• Functional Blocks of Digital Communication System; Source
Encoder and Decoder, Channel Encoder and Decoder, Modulator and
Demodulator
• Line Coding:- Need for Line coding, Properties of Line Coding,
Unipolar RZ and NRZ, Polar RZ and NRZ, Bipolar NRZ (AMI), Split
Phase Manchester Coding, Polar Quaternary NRZ Coding, HDB3
Coding,
• Scrambler and Unscrambler
Unit 2:- Information Theory (10)
• Measure of Information, Entropy and Information Rate of Long
Independent and Dependent Sequences, Markoff Statistical Model for
Information Sources, Entropy and Information rate of Markoff
Sources.
• Source Encoding: Huffman Encoding, Shannon’s Encoding
Algorithm, Shannon-Fano Algorithm.
5. 6ET3 DIGITAL COMMUNICATION
• Discrete Communication Channel: Noiseless Channel, Deterministic
Channel, Binary Symmetric Channel, Rate of Information Transfer over
Discrete Channel, Capacity of Discrete Memoryless Channel.
• Continuous Channel: Shannon Hartley Theorem for channel
capacity, Signal to Noise Ratio –Bandwidth Tradeoff.
Unit3: Bandpass Modulation and Demodulation techniques (10)
• BPSK, BFSK, ASK and DPSK generation and reception, Signal space
diagram, PSD and Bandwidth of BPSK and BFSK systems, QPSK and
MSK Transmitter and Receiver, Signal space diagram, PSD and
Bandwidth of QPSK and MSK, Probability of Error of ASK, BPSK and
BFSK systems, Comparison of Digital modulation systems.
• Coherent Detection: Integrate and Dump Filter (SNR and
Probability of Error), Optimum Filter (Transfer function and Probability
of Error), Matched Filter (Impulse response and Probability of Error).
6. 6ET3 DIGITAL COMMUNICATION
Unit 4:- Base Band Transmission (8)
• Base Band Binary PAM systems, Inter Symbol Interference, Base
Band Pulse Shaping and Nyquist Criterion, Eye Diagram Correlative
Coding: Duobinary Encoder with Pre-coder, Modified Duobinary
Encoder, Modified Duobinary Encoder with Pre-coder
• Equalization: Need for equalization, Transversal Equalizer
(Problems Expected), Preset Equalizer, Adaptive Equalizer,
• Clock and Carrier Synchronization.
Unit 5:- Error Control Coding (10)
• Introduction to Error Control Coding, Types of Errors, Methods of
Controlling Errors,
• Linear Block Codes: Matrix Description of Linear Block codes,
Hamming Distance, Hamming Weight, Minimum Hamming Distance,
Hamming Codes, Encoder for Linear Block code, Syndrome Decoding,
Syndrome Decoder for (n,k) Linear Block Code, Error Detection and
Correction capability of Linear Block Codes (Derivation Expected)
7. 6ET3 DIGITAL COMMUNICATION
• Cyclic Codes: Properties of Cyclic Codes, Systematic and Non-
Systematic generator Matrix, Parity Check Matrices for Cyclic Codes,
Encoders for Cyclic Codes, Syndrome Decoding for Cyclic Codes.
• Convolution Codes: Time Domain Approach and Transform domain
approach for convolution code generation, Code Tree and Code Trellis for
Convolution code.
Unit 6:- Multiple Access Schemes and Spread Spectrum Comm. (6)
• Multiple Access schemes: Time Division Multiple Access, Frequency
Division Multiple Access, Code Division Multiple Access; Space Division
Multiple Access.
• Spread Spectrum Systems: Notion of Spread Spectrum, PN
Sequence Generation (Problems Expected), Direct Sequence Spread
Spectrum (DSSS), Jamming Margin, Processing Gain, Eb/No Ratio,
Frequency Hopped Spread Spectrum, Slow and Fast frequency Hopping.
8. 6ET3 DIGITAL COMMUNICATION
TEXT BOOKS:
1. Shanmugam K.S. :”Digital & Analog Communication Systems”, John Wiley &
Sons, New York, 1996.
2. Lathi B. P. :”Modern Digital and Communication Systems”, Holt Rinchart and
Winston Inc., New York, 1993.
3. Simon Haykin : “Digital Communication” , John Wiley and Sons, Pvt. Ltd.,
Singapore.
REFERENCE BOOKS :
1. Proakis J. K. :”Digital Communication”, Mc-Graw Hill Book Co., London
(Second Edition)
2. Taub, Herbert, Schilling D.L : “Principles of Communication Systems”, Mc-
Graw Hill International Book Co., Tokyo.
3. W.C.Y. Lee : “Mobile Cellular Telecommunications Systems”, Mc- Graw Hill
International Editions, 1990
4. Glover and Grant : “Digital Communication”, Prentice Hall Publication.