function cfgUI = RU_for_cfgUI(RU_avai,cfgUI)
mode = strrep(num2str(RU_avai),' ','');
if cfgUI.numUsers == 1
    switch mode
        case {'1111','1100','0011','1000','0100','0010','0001'}
            cfgUI.user1.f = RU_avai;
        case {'0111','1011'}
            cfgUI.user1.f = [0,0,1,1];
        case {'1101','1110'}
            cfgUI.user1.f = [1,1,0,0];
        case {'1001','1010'}
            cfgUI.user1.f = [1,0,0,0];
        case {'0110','0101'}
            cfgUI.user1.f = [0,1,0,0];
    end
elseif cfgUI.numUsers == 2
    switch mode
        case '1111'
            cfgUI.user1.f = [1,1,1,1];
            cfgUI.user2.f = [1,1,1,1];
        case {'0111','1011','0011'}
            cfgUI.user1.f = [0,0,1,1];
            cfgUI.user2.f = [0,0,1,1];
        case {'1101','1110','1100'}
            cfgUI.user1.f = [1,1,0,0];
            cfgUI.user2.f = [1,1,0,0];
        case {'0001','0010','0100','1000'}
            cfgUI.user1.f = RU_avai;
            cfgUI.user2.f = RU_avai;
        case '0101'
            cfgUI.user1.f = [0,1,0,0];
            cfgUI.user2.f = [0,0,0,1];
        case '0110'
            cfgUI.user1.f = [0,1,0,0];
            cfgUI.user2.f = [0,0,1,0];
        case '1001'
            cfgUI.user1.f = [1,0,0,0];
            cfgUI.user2.f = [0,0,0,1];
        case '1010'
            cfgUI.user1.f = [1,0,0,0];
            cfgUI.user2.f = [0,0,1,0];
    end
end
end