A communication network component comprising: a determiner configured to determine, for each of a plurality of mobile communication terminals that the communication network component serves, whether the communication network component serves the mobile communication terminal using single-user multiple-input multiple-output or multi-user multiple-input multiple-output, group the plurality of mobile communication terminals into a first group which the communication network component serves using single-user multiple-input multiple-output and into a second group which the communication network component serves using multi-user multiple-input multiple-output, and perform a grouping of mobile communication terminals which the communication network component serves using multi-user multiple-input multiple-output into a first subset and a second subset with a higher frequency of occurrence than the grouping of the plurality of mobile communication terminals into the first group which the communication network component serves using single-user multiple-input multiple-output and into the second group which the communication network component serves using multi-user multiple-input multiple-output; and a signaling circuit configured to request the mobile communication terminals of the plurality of mobile communication terminals which the communication network component serves using single-user multiple-input multiple-output to report channel information at a lower accuracy than the mobile communication terminals of the plurality of mobile communication terminals which the communication network component serves using multi-user multiple-input multiple-output, and request the first subset of the mobile communication terminals which the communication network component serves using multi-user multiple-input multiple-output to report channel information with a first high accuracy and the second subset of the mobile communication terminals of the mobile communication terminals which the communication network component serves using multi-user multiple-input multiple-output to report channel information with a second high accuracy, wherein the first high accuracy is higher than the second high accuracy. a determiner configured to determine, for each of a plurality of mobile communication terminals that the communication network component serves, whether the communication network component serves the mobile communication terminal using single-user multiple-input multiple-output or multi-user multiple-input multiple-output, group the plurality of mobile communication terminals into a first group which the communication network component serves using single-user multiple-input multiple-output and into a second group which the communication network component serves using multi-user multiple-input multiple-output, and perform a grouping of mobile communication terminals which the communication network component serves using multi-user multiple-input multiple-output into a first subset and a second subset with a higher frequency of occurrence than the grouping of the plurality of mobile communication terminals into the first group which the communication network component serves using single-user multiple-input multiple-output and into the second group which the communication network component serves using multi-user multiple-input multiple-output; and a signaling circuit configured to request the mobile communication terminals of the plurality of mobile communication terminals which the communication network component serves using single-user multiple-input multiple-output to report channel information at a lower accuracy than the mobile communication terminals of the plurality of mobile communication terminals which the communication network component serves using multi-user multiple-input multiple-output, and request the first subset of the mobile communication terminals which the communication network component serves using multi-user multiple-input multiple-output to report channel information with a first high accuracy and the second subset of the mobile communication terminals of the mobile communication terminals which the communication network component serves using multi-user multiple-input multiple-output to report channel information with a second high accuracy, wherein the first high accuracy is higher than the second high accuracy.