[Object] To provide a communication control device, a wireless communication device, a method and a program which are capable of realizing coexistence control using information relating to a duplex mode.
[Solution] The communication control device includes: an information acquisition unit configured to acquire information indicating a network to which one or more wireless communication devices belong, radio access technology information, information relating to an operable frequency band, information relating to a geographical location and/or region, information relating to a duplex mode, or information relating to a transmission time interval; a determination unit configured to determine positional relationship among coverages of the wireless communication devices by using the information, and select an operation parameter recommended for each of the wireless communication devices in accordance with the determined positional relationship; and a notification unit configured to notify the wireless communication devices of the selected operation parameters.