Patent number 378216 has been granted to PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA. which is titled WIRELESS COMMUNICATION DEVICE AND WIRELESS COMMUNICATION METHOD. The primary independent claim of this patent states a method for controlling emission, used in a radiation terminal that includes acquiring at a processor of the radiation terminal, a user type of a current user then controlling, to reduce a default emission power. The patent applicant responded to this objection by stating that if the present invention provides a technical solution to a technical problem and has a technical effect then the same cannot be considered to fall under the category of algorithm or computer program per se. In the light of such observation, the applicant submits that method claims are directed towards a technical subject matter of wireless communication methods in which, in a downlink individual control channel in a multiuser-MIMO mode, the overhead of notifications of other-user modulation information can be reduced. This patent falls under the category of Communication. Overall, this patent covers a wireless communication device for performing communication with a plurality of communication counterpart devices by multiuser-MIMO transmission. The wireless communication device includes an assignment information generation section which is configured for a first communication counterpart device to generate resource assignment information including a pilot stream index, a number of streams (Mt) in the multiuserMIMO transmission and an indication of a combination of modulation schemes of second communication counterpart devices that differs from the first communication counterpart device, and a transmission section which is configured to transmit the generated resource assignment information to the first communication counterpart device, characterized in that the assignment information generation section is configured to allocate the pilot stream indexes in ascending or descending order of a modulation multi-level number of the modulation schemes of the second communication counterpart devices.