A wireless data communications system has mobile units which become
associated with access points. Association between a mobile unit and an
access point is changed as mobile units move within an area having a
plurality of access points. Selection of an access point for association
with a mobile unit is made according to selection criteria including a
plurality of selection parameters. The system includes arrangements for
determining location of a mobile unit within the area. The selection
parameters include location of the mobile unit or direction of movement
of the mobile unit when there are a plurality of access points available
for association with the mobile unit.
