Method for transmitting downlink communication data from a mobile communication network to a plurality of internet-of-things communication devices, the mobile communication network comprising an access network and a core network, wherein the access network comprises at least one radio cell and a base station entity associated with the at least one radio cell, wherein the communication data are transmitted using a radio interface between the base station entity and the plurality of internet-of-things communication devices, the radio interface having a plurality of physical resource blocks such that each physical resource block of the plurality of physical resource blocks corresponds to specific radio transmission resources, having a defined frequency range, wherein a transmission power level is assigned and/or associated, by the base station entity, to each physical resource block of the plurality of physical resource blocks, wherein the plurality of internet-of-things communication devices at least comprises a first internet-of-things communication device, and at least a second internet-of-things communication device, wherein the base station entity receives or obtains a coverage information or a coverage class information regarding the first internet-of-things communication device and regarding the second internet-of-things communication device, the coverage information or the coverage class information regarding the first and second internet-of-things communication devices (21, 22) indicating a lower coverage class or a lower coverage level (311, 312, 313) of the first internet-of-things communication device compared to the second internet-of-things communication device, wherein, in order to transmit a first part of the downlink communication data to the first internet-of-things communication device and a second part of the downlink communication data to the second internet-of-things communication device, the method comprises the steps of: -- in a first step, a physical resource block and an additional physical resource block are defined by the base station entity to transmit the first and second part of the downlink communication data, wherein the transmission power level assigned and/or associated to the physical resource block is higher compared to the transmission power level assigned and/or associated to the additional physical resource block, -- in a second step, subsequent to the first step, the first part of the downlink communication data is transmitted, by the base station entity, using the physical resource block, and the second part of the downlink communication data is transmitted, by the base station entity, using the additional physical resource block, the method being characterized in that the transmission power level of the additional physical resource block is lower compared to the transmission power level of the physical resource block, due to the additional physical resource block being operated in a guardband portion of the frequency range used, by the base station entity, for the physical resource blocks. -- in a first step, a physical resource block and an additional physical resource block are defined by the base station entity to transmit the first and second part of the downlink communication data, wherein the transmission power level assigned and/or associated to the physical resource block is higher compared to the transmission power level assigned and/or associated to the additional physical resource block, -- in a second step, subsequent to the first step, the first part of the downlink communication data is transmitted, by the base station entity, using the physical resource block, and the second part of the downlink communication data is transmitted, by the base station entity, using the additional physical resource block,