Анотація: The results of development of mathematical model for time-frequency resource allocation in the downlink of the LTE technology using the Resource Allocation Type 1 were given. The proposed model is aimed to provision of the guaranteed quality of service for wireless network users by allocating the required downlink bandwidth to user equipment. The analysis of the proposed model for time-frequency resource allocation in the LTE technology from the viewpoint of providing the required bandwidth for user equipment in the downlink was conducted.