The International Multi-Conference on Systems, Signals and Devices 2021 is a forum for researchers and specialists in different fields of electrical engineering departments from leading reserach centers and universities around the world. The IEEE International Multi-Conference on Systems, Signals and Devices 2021 is a forum for researchers and specialists in different fields of electrical engineering departments from leading research centers and universities around the world to present their research results and to share experiences with other attendees. On behalf of International Multi-Conference on Systems, Signals & Devices Organizing Committee, it is our great pleasure to extend a warm invitation to you to participate in SSD’21. Since 2001, SSD has grown substantially from a brand new conference with a strong vision to the SSD of today, dedicated to the advancement of electrical engineering research fields and their practice. Each conference will take place within the framework of SSD 2021 and will include keynote lectures by eminent scientists as well as oral and poster sessions.