necessary as part of the system or method of the present invention the mobile user terminal mut 18 holds the cell topology 26 for the communications platform this can be updated periodically 116 from the network control center 24 or by any known method the mobile user terminal 18 also has navigational processing capabilities 102 to determine and communicate location information 104 in the form of a position vector to the communications platform and or the optional control network 24 the mobile user terminal will configure itself and request 106 uplink bandwidth as a function of its location and the database cell topology 24 the bandwidth request 106 is processed 108 on board the communications platform and a bandwidth assignment 110 is determined and communicated 112 to the mobile user terminal 18 establishing an uplink connection with the communications platform ongoing mobile terminal to mobile terminal traffic is maintained because the source mobile user terminal 18 includes its current address information in the header in this regard the communications platform does not need to know the location of each of the mobile user terminals in one embodiment of the present invention the mobile user terminal 18 20 may provide look ahead positional information 104 as.