Channel reservation in cooperation

To provide a method, apparatus and computer program product for a communication device in a first basic service set comprising a set of wireless communication devices in the telecommunication network, determining the first and second basic service set of different the main channel basic service set. Accordingly, the communication device causes the position of at least one channel in the main channel of the second basic service set being determined from said communication device to a second basic service set of transmission defining a first basic service set of channel identification information.