For allocating resources for a downlink communication on a frequency selective channel from an access point of a wireless telecommunications network to a communication device located in a moving conveyance performing a journey on a path, a processing device performs: obtaining a first interference profile according to a position of the moving conveyance on the path, said first interference profile being representative of interference on said downlink communication implied by at least one interferer located along the path; obtaining a second interference profile, said second interference profile being representative of interference on said downlink communication implied by at least one interferer located in the moving conveyance; and allocating the resources for said downlink communication, on the basis of the first and second interference profiles.