The non–profit JSC "Almaty University of Energy and Communications named after Gumarbek Daukeev" will defend a dissertation for the degree of Doctor of Philosophy (PhD) by Turzhanova Karina Muratovna on the topic " Research of 4G network efficiency in case of Narrow Band Internet of Things (NB – IoT) usage in different spectrum scenarios" in the specialty 6D071900 - "Radioengineering, electronics and telecommunications ".