PTCEC357 Underwater Communication Syllabus:

PTCEC357 Underwater Communication Syllabus – Anna University Part time Regulation 2023

COURSE OBJECTIVES:

● To learn about fiber optic communication for underwater application
● To learn underwater MI communication and sensor networking
● To understand underwater acoustic communication
● To understand the challenges in underwater communication
● To learn underwater cables and handing system for various application

UNIT I UNDERWATER FIBRE OPTICS COMMUNICATION

Basics of Fibre Optics communication: Working Principle, Single Mode, Multi-Mode, Effect on Fibre bending, Standard FO Connectors, Cable Requirement for Underwater Application, Cable Characteristics, Basic design for Electro-Optical(E-O) Underwater Cable, Handling system for E-O cables, Optical slip ring and its application, An insight into Fibre Optic Telemetry.

UNIT II UNDERWATER OPTICAL COMMUNICATION

Introduction, Classification of Underwater Wireless Optical Communication Links, Underwater Optical Communication (UWOC) System: Modulation, Coding, Light Source Technology, Common Lasers in UWOC, Signal Detectors and its merits and demerits, Alignment and Compensation, UWC Network, Absorption and Scattering Losses, UWOC Channel Modeling, UWOC Link Turbulence, Noise in the UWOC Channel. UWOC Networks.

UNIT III UNDERWATER MI COMMUNICATION & SENSOR NETWORKS

Fundamental Principles of Magnetic Induction, Basic Element of Magnetism, Magnetic Induction, Lenz’s Law, Mutual and Self Induction, Inductive and Capacitive Reactance of the coil, MI Communication System: MI Coil, Matching Network, Communication Block: MI Wireless Sensor Networks: UW sensor network Application and Its Architecture, Localization, Medium Access protocols, Routing Protocols, Cross-layer Protocols, Recent trend on MI communication.

UNIT IV BASIC PRINCIPLES OF UNDERWATER ACOUSTIC COMMUNICATION

Ocean Acoustic environment; Measuring sound levels and relevant units; Sound propagation in the ocean – sound velocity profiles in the deep water and shallow water Speed of underwater sound, Underwater Sound Transmission Loss, Acoustic Field Model: Ray Theory Model, Structure and Performance of UWAC System: Basic Structure of UWAC System, Performance Indicators of UWAC System, Characteristics of the UWA Channel.

UNIT V UNDERWATER ACOUSTIC NETWORK TECHNOLOGY

Basics on Underwater Acoustic Modem and its construction, Bandwidth and its limitations, Characteristics of UWA Network, Topology of UWA Network, Network Protocol Architecture of UWA Network, UWAC Challenges and Research Trends, Comparison study on RF, Optical and Acoustic Communication in Underwater. Underwater telephone, Acoustic Positioning System, Underwater beacon.

30 PERIODS
PRACTICALEXERCISES: 30 PERIODS

1. Conducting an experiment for testing of optical communication in water tank with clear and turbid water.
2. Measure the insertion loss of different FO connectors, bending loos using optical power meter.
3. Testing of MI communication and Sensor network
4. Testing of hydrophone and acoustic communication with different operating frequency and
5. Design a MI coil and testing it for Inductive communication

COURSE OUTCOMES:

On successful completion of this course, the student will be able to
CO1: To get an explore to different underwater communication system
CO2: Design of MI coil for
CO3: To know the important of underwater communication and its challenges
CO4: To understand the strength of Underwater acoustic communication
CO5: To understand the sensor network concepts and its application

TOTAL:60 PERIODS
TEXTBOOKS

1. Yi Lou, Niax Ahmed, Underwater Communications and Networks, First Edition, Springer,2021

REFERENCES

1. Ferial El-Hawary, The Ocean Engineering Hand book, First Edition, CRC Press, 2001
2. L.M. Brekhovskikh and Yu. P. Lysanov, Fundamentals of ocean acoustics, Third Edition, Springer,2003
3. Robert J Urick, Principles of underwater sound, Third Edition, Peninsula Publishing,2013
4. Rahul Sharma, Deep Sea Mining Handbook, First Edition, Springer,2017