Abstract: The present invention relates to an allocation method in a transmission network on-board a mobile vehicle, the network comprising wireless access points configured for transmitting and receiving, over a functioning channel, radio signals between said access point and a plurality of terminals. The method comprising the following steps: provision of a digital model of the mobile vehicle and of the access points; for every available channel and for every access point, simulation of the propagation of signals from said access point on said available channel; for every available channel, for every access point and for every terminal, determination of an estimated associated bandwidth according to the simulation; allocation of one of the available channels and one of the access points to every terminal according to the estimated bandwidths.