Abstract

Free-space optical (FSO) communication requires light of sight (LoS) between the transmitter and the receiver. For long-distance communication, many research projects from academia and industry (Google, Facebook, Thales…) have been conducted towards using a network composed of high-altitude platforms (HAPs) flying at an elevation of 20 km to carry intermediate FSO transceivers that forward data between ground stations. The clear environment at high elevations prevents terrestrial obstacles from cutting the LoS between the transceivers. However, the use of HAP for FSO communications still face to some issues. Two issues that we focus on recently are: i) cloud cuts on LoS between a HAP and the ground leading to communication disruption, ii) small coverage of HAP on the ground leading to too many HAPs to be used. In this talk, I will present our latest research results in solving these two issues.

Speaker

Dieu Linh Truong, School of Information and Communication Technology, Hanoi University of Science and Technology (HUST), Vietnam

Date

Monday, 15.05.2023, 18 Uhr

Room

In Room K002 and through Zoom (https://oth-regensburg.zoom.us/j/86027780666?pwd=UVFuT1B1Q0p5ZzFYQXVkYm9WaDBnZz09)

Abstract

In this research, we propose the use of a vector clock in an innovative knowledge graph deployed on the sidechain nodes. Based on the graph, our reasoning mechanism enables each node to deduce states of events on other nodes. Gathering event state information of other nodes helps create the consensus in the blockchain network efficiently. The proposal thus can be applied to IoT systems that need a high transaction confirmation speed. We also give some other research directions in the talk.

Speaker

Binh Minh Nguyen, Director of Fintech Center; School of Information and Communication Technology, Hanoi University of Science and Technology (HUST), Vietnam

Date

Monday, 12.06.2023, 18 Uhr

Room

In Room K002 and through Zoom (https://oth-regensburg.zoom.us/j/86177557888?pwd=NkFURzVoTXRKRCtmNkp4QnRNclhYZz09)

Abstract

Discover the unparalleled innovation of Trigo, the world's leading computer vision company specializing in transforming full-size supermarkets into fully autonomous stores. Join us for an enlightening session led by Michael Gabay, Trigo's co-founder and CEO, as we delve into the realms of frictionless checkout, immersive shopper experiences, and streamlined process automation. Experience our modular approach to solving automation challenges and gain valuable insights into the future of retail.

Speaker

Michael Gabay, Co-Founder and CEO at Trigo; Over 15 years of experience leading technology development groups and managing dozens of cutting- edge technologies.

Date

Wednesday, 28.6.2023, 17:00-17:30 Uhr

Room

In Room K005 and through Zoom (https://oth-regensburg.zoom.us/meeting/register/tZAtf-qhqT8vE9Lt4ozG74JfNjOB1wtHTUpY)