A wireless data communications system, comprising: mobile units configured to be associated with a plurality of access points (16, 18, 20); the plurality of access points (16, 18, 20) configured as RF ports associated with a cell controller; and the cell controller configured to: perform association functions, wherein an association between a mobile unit of the mobile units and an access point of the plurality of access points (16, 18, 20) is changed as said mobile unit moves within an area having the plurality of access points (16, 18, 20); determine a location of said mobile unit within said area; and select said access point for association with said mobile unit according to selection criteria; and characterized in that: the selection criteria includes a plurality of selection parameters, including: a direction of change of the location of said mobile unit when the plurality of access points (16, 18, 20) are available for association with said mobile unit; a change of range from said mobile unit to the plurality of access points (16, 18, 20); and a signal strength from said mobile unit to the plurality of access points (16, 18, 20), wherein the plurality of access points (16, 18, 20) are rated by the cell controller according to a score, where each selection parameter is numerically rated and contributes to the score for selecting the appropriate access point. mobile units configured to be associated with a plurality of access points (16, 18, 20); the plurality of access points (16, 18, 20) configured as RF ports associated with a cell controller; and the cell controller configured to: perform association functions, wherein an association between a mobile unit of the mobile units and an access point of the plurality of access points (16, 18, 20) is changed as said mobile unit moves within an area having the plurality of access points (16, 18, 20); determine a location of said mobile unit within said area; and select said access point for association with said mobile unit according to selection criteria; and perform association functions, wherein an association between a mobile unit of the mobile units and an access point of the plurality of access points (16, 18, 20) is changed as said mobile unit moves within an area having the plurality of access points (16, 18, 20); determine a location of said mobile unit within said area; and select said access point for association with said mobile unit according to selection criteria; and characterized in that: the selection criteria includes a plurality of selection parameters, including: a direction of change of the location of said mobile unit when the plurality of access points (16, 18, 20) are available for association with said mobile unit; a change of range from said mobile unit to the plurality of access points (16, 18, 20); and a signal strength from said mobile unit to the plurality of access points (16, 18, 20), wherein the plurality of access points (16, 18, 20) are rated by the cell controller according to a score, where each selection parameter is numerically rated and contributes to the score for selecting the appropriate access point. a direction of change of the location of said mobile unit when the plurality of access points (16, 18, 20) are available for association with said mobile unit; a change of range from said mobile unit to the plurality of access points (16, 18, 20); and a signal strength from said mobile unit to the plurality of access points (16, 18, 20), wherein the plurality of access points (16, 18, 20) are rated by the cell controller according to a score, where each selection parameter is numerically rated and contributes to the score for selecting the appropriate access point.