Dates of the event: December 5-7 2024
The event commenced with the inaugural session during which we had the honor of fernally welcoming Prof. P.Chandrasekhar Professor.UCE(A), Dr.Madhumita Chakravarti Chair-IEEE AESS HYD section, Dr.A.Bharathi Faculty Advisor AP-S and associate professor of ECE dept. Prof. D. Ramakrishna Faculty Advisor MTT-S and HOD of ECE dept along with other all participates.
The welcome address was delivered by Dr.D.Ramakrishna, Head of the Department, who provided an overview of the workshop, outlining its objectives and emphasizing the value it would offer to the participants. He also briefed about the courses offered and about the softwares available in ECE department(UCE(A), OU). Dr.A.Bharathi, Associate Professor and Workshop Coordinator, addressed the participates about the workshop.
Dr.K.Jayasankar, Professor in Electronics and Communication Engineering (ECE) and Dean of Research and Development, Methodist college of Engineering and Technology,began the session one. He provided an in-depth exploration of various antenna types, including horn antennas, reflectors, arrays, planar reflectors, Cassegrain antennas, and parabolic antennas. Dr.K.Jayasankar described the historical discovery of electromagnetic waves and offered a detailed perspective on their impact on the evolution of communication systems.Additionally, sir discussed the classification and applications of frequency bands and the extensive antenna family,emphasizing their role in advancing modern technology.His presentation also highlighted key concepts in wireless communication and provided an insightful explanation of Helmholtz’s theorem, underlining its relevance in the analysis and design of communication systems.
In the second session K.Sambasiva Rao, Scientist-E,RCI-DRDO introduced the intricate concepts of microwave filter design. He meticulously detailed the various types of hers,categorizing them based on their topology and explaining the critical parameters that determine their performance. Also highlighted the significance of the quality factor (Q-factor) and its essential role in ensuring filter efficiency and selectivity. Then proceeded to explore the complexities involved in filter design at low frequencies, focusing on the challenges and techniques that drive optimization in such systems, this carried the discussion forward to microstrip implementation, providing a practical perspective on its relevance and applications in modern electronics. Concluded the session with an in-depth examination of interdigital filters, showcasing their unique characteristics and advantages in high-performance microwave systems.
In the third session Dr.Srilakshmi Aouthu, Associate Professor, Vasavi college of Engineering,delivered a lecture on microstrip antennas, with a focus on antenna arrays. Enhanced the topics by exploring the fundamental principles behind antenna array design,addressing key aspects such as configuration,placement, and optimization for diverse applications. After establishing the foundational concepts, further moved on to explain the various feeding methods, emphasizing their impact on array performance and operational efficiency. Then continued by discussing the general characteristics of antenna arrays, such as radiation patterns and the importance of circular polarization in enhancing signal clarity and reception. Following this, Dr.Srilakshmi explored methods for improving bandwidth and miniaturizing designs, both of which are crucial for modernizing antenna systems She concluded the session by highlighting the advantages of series-fed arrays, illustrating their role in enhancing antenna performance while maintaining versatility in various wireless communication systems.
Day 2 of the workshop we had a handson session in the computer lab of ECE dept the session was headed by Mr.Bibek Boxi, Senior Application Engineer at Jyoti Electronics.
The focus of Mr.Bibek session was on the capabilities of CST (Computer Simulation Technology).Sir began by providing an overview of CST software, its applications in electromagnetic simulations, and the diverse range of CST products. He explained the functionalities of different solvers,mesh types, and their role in achieving precision in simulations. The session also covered the electromagnetic simulation workflow, offering participants a clear understanding of the process from start to finish.
Following the introduction to CST software Mr.Bibek guided participants through the design and simulation of horn and reflector antennas simulation,array designs from single element to multiple elements and dual patch antenna, feeding network,and patch antenna array. This practical session allowed attendees to apply theoretical concepts while exploring CST’s advanced features for optimizing antenna performance. The engaging session not only enhanced participants understanding of electromagnetic simulations but also reflected Mr.Bibek deep expertise and passion for engineering innovation.
On the day-3 of the workshop Mr.Bibek Boxi took the participants through the advanced features of Antenna Magus, a powerful antenna design tool. He provided a detailed overview of the Antenna Magus workflow,demonstrating its ease of use and effectiveness in designing a various type of antenna. The session covered critical topics such as the simulation of full arrays and large antenna arrays, illustrating the software’s ability to handle complex simulations with ease.
He described about antenna placement analysis and optimization, focusing on the unique technologies behind unidirectional and bidirectional antennas, filter simulation in CST studio suite, radiated emissions from Tx/Rx equivalent circuit model, multi mode cavity filter and Band Pass filter. He also explained how these technologies play a pivotal role in improving antenna performance and optimizing placement for better signal coverage and efficiency. This session offered valuable insights into advanced antenna design and optimization, enabling participates to better understand the practical applications of antenna technologies in real-world scenarios.
Following Mr.Bibek’s session, Dr.A.Bharathi took over the stage, where she shared her expertise on the Wireless Antenna and Microwave Symposium Society (WAMS Society). Dr. Bharathi discussed the significance of the society in promoting advancements in wireless communication and microwave technology. Her session highlighted key contributions and research developments in the field, offering participants a broader perspective on the evolving landscape of wireless and microwave technology.
We concluded the workshop with a valedictory session which was led by Dr.M. Lakshminarayana sir, Dr. Madhumita Chakravarti, and Dr.A. Bharathi, who provided closing remarks and emphasized the importance of the workshop. Where we had a chance of expressing our honor to collaboration of IEEE AESS head, and Mr. Bibek. They highlighted how such events bridge the gap between theory and practice inspiring attendees to continue advancing in their fields. Some of the students also gave their feedback about the workshop.
The 3-day workshop was a valuable experience, providing hands-on exposure to advanced antenna design, electromagnetic simulation. Participants gained practical insights into optimizing antenna arrays and learned key techniques in microwave systems. The knowledge shared by the experts will empower participants to apply these skills in real-world applications, making the workshop an essential and enriching experience for all.
Level of involvement of AP-S Chapter: The IEEE MTT-S(SBC10721C) & AP-S SBC(SBC10721G) in association with IEEE AESS Hyderabad section and Dept of ECE, Osmania University has organized a 3 Day Workshop on RF DESIGN AND SIMULATION at E-Class room, Main building, UCE, OU. From 5th-7 December 2024.