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September 2020

Development of an Autonomous Micro-robotic Swarm System – An overview

September 15, 2020 @ 4:00 pm - 5:00 pm

Speaker: Akshatha Jagadish Date: 15/09/2020 Venue: Online Meeting Abstract: Micro-robotics is an emerging field of research where the focus areas are physical actuation, system control, materials, sensor research and so on. It is an interdisciplinary field where researchers from communities such as physics, chemistry, engineering (biotech, mechanical, comp science) have a role to play. A micro-robot is a controllable machine of micron scale with application specific capabilities in addition to generic functions such as motion, sensing and control mechanism. Scaling robotic…

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October 2020

Naturalness Assessment for Video Prediction

October 20, 2020 @ 4:00 pm - 5:00 pm

Speaker: Nagabhushan S N Date: 20/10/2020 Venue: Online Meeting Abstract: Video Prediction refers to predicting future frames of a video given a few past frames. Video Prediction has found applications in video representation learning, robotics, compression, and many others. While researchers have focused on this problem of prediction, there has been very little work on the complementary problem of evaluating the predicted videos. To bridge this gap, we proposed video naturalness as an evaluation measure. In this regard, we have developed…

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Software-Defined Networking for Internet of Things: Rule Placement and Routing

October 27, 2020 @ 4:00 pm - 5:00 pm

Speaker: Samaresh Bera Date: 27/10/2020 Venue: Online Meeting Abstract: The software-defined networking (SDN) technology enables real-time programmability of network devices by decoupling control- and data-planes. Thus, the complexity involved in managing networks is reduced significantly compared to that of the traditional networks. Although different SDN-based approaches exist in the literature, they either focus on the traditional networking issues or are at their infancy to be integrated into fully programmable networks to provide differentiated service provisioning for IoT applications. In this talk,…

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Enhancing QoS in Delay/Disruption Tolerant Network

October 28, 2020 @ 4:00 pm - 5:00 pm

Speaker: Sangita Dhara, IIT Kharagpur Date: 28/10/2020 Venue: Online Meeting Abstract: In this talk, I will discuss two topics of study. Maximizing Throughput for InterPlanetary networks: My current work, building around on the topic of my Ph.D. dissertation, focuses on maximizing throughput in interplanetary network. Interplanetary Network (IPN) or Deep Space Network (DSN) provides communication between stations on Earth and other remote Spacecrafts, Satellites, Orbiters, Lander and Rovers. Interplanetary communication is different from our terrestrial communication because it poses some specific…

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Joint Communication and Signal Reconstructions over Multi-user Channels

October 29, 2020 @ 4:00 pm - 5:00 pm

Speaker: Dr. Viswanathan Ramachandran, IIT-Bombay Date: 29/10/2020 Venue: Online Meeting Abstract: Joint communication and signal estimation is important in several communication systems employing hybrid analog-digital radios. The goal here is to reconstruct an analog signal with reasonable fidelity, while simultaneously conveying a digital data stream. Several interesting multi-user information theoretic models with message and state communication are considered in this talk, for which optimal communication and distortion trade-offs are investigated. We further explore multi-terminal coordination problems, where the objective is to…

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Implementation of reliable protection and energy management schemes in smart grids

October 30, 2020 @ 4:00 pm - 5:00 pm

Speaker: Harikrishna Muda, Post-Doctoral Associate , NIAS Date: 30/10/2020 Venue: Online Meeting Abstract: Microgrids are receiving attention due to the increasing need to integrate distributed generations and to ensure power quality and energy surety. At the same time, the great evolution in communication and information technology is leading the transformation of microgrids into smart grids, where the continuous dialogue between all of the devices connected to the network implies improvements in the overall efficiency and quality of the system. This presentation…

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November 2020

Average age of information for irregular repetition slotted ALOHA

November 3, 2020 @ 4:00 pm - 5:00 pm

Speaker: Prof. Vineeth B.S., IIST Thiruvananthapuram Date: 03/11/2020 Venue: Online Meeting Abstract: In this talk, we will discuss the average age of information (AAoI) performance of Irregular Repetition Slotted ALOHA (IRSA) which is a grant free access mechanism for massive machine type communication (mMTC). The mMTC paradigm has enabled the deployment of wide-area sensor networks with a very large number of sensors. Grant-free access mechanisms are useful in mMTC due to their low complexity and ability to scale to a large…

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Link Speed Estimation for Traffic Flow Modelling Based on VideoFeeds from Monocular Cameras

November 10, 2020 @ 4:00 pm - 5:00 pm

Speaker: Dr. Raghu Krishnapuram, RBCCPS Date: 10/11/2020 Venue: Online Meeting Abstract: This talk describes a reliable and scalable approach for real-time estimation of link speeds (i.e., traffic speeds on specific road segments) based on video feeds coming from monocular cameras. We detect and track vehicles of specific types, identify anchor points (or keypoints) on them, compute their poses, and use this information to estimate their speeds. We use deep learning methods for vehicle detection, tracking, keypoint detection and localization, and traditional…

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December 2020

Improving Performance In TDMA Over WiFi-PHY Mesh Networks for Rural Internet Connectivity

December 22, 2020 @ 4:00 pm - 5:00 pm

Speaker: Dr. Vishal Sevani, DeNovo Group Date: 22/12/2020 Venue: Online Meeting Abstract: The Internet has become an essential part of our daily lives. However, still a significant fraction of the population, especially in rural regions in the developing world, lack access to the Internet. The cost economics is the key reason for this digital divide, as conventional technologies for providing Internet access are not cost effective. In this talk I will highlight the use of "TDMA over WiFI-PHY" mesh networks for…

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January 2021

Right Buffer Sizing Matters: Some Dynamical and Statistical Studies on Compound TCP

January 12 @ 4:00 pm - 5:00 pm

Speaker: Dr. Debayani Ghosh, Chalmers University Date: 12/01/2021 Venue: Online Meeting Abstract: Queuing delay has the potential to hurt the performance of many network applications, especially delay sensitive applications like Voice over IP (VoIP), live video streaming, and online gaming. Unfortunately, queuing delay appears to be on the rise in today’s Internet. This is caused primarily due to persistently full large router buffers, which is commonly known as bufferbloat. This provides the motivation for our work, where we aim to understand…

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