Motorola Corporation

Jonathan E Hutcheson

Kadathur S Natarajan

Raymond Joseph Leopold

A cellular communication system projects multiple cells throughout a user area. Subscriber units (24) encounter multiple cells as they roam through the user area or as the cells migrate past the subscriber unit (24). When a subscriber unit (24) encounters the fringe area of a cell it maintains contact with the system by selecting and transitioning to a target cell. The subscriber unit (24) performs an analysis using Doppler data of the location, proximity, and expected duration of exposure to candidate target cells. The subscriber unit (24) selects a target cell based on these factors.

Method and system for intelligent cell selection using doppler data in

A cellular communication system projects multiple cells throughout a user area. Subscriber units (24) encounter multiple cells as they roam through the user area or as the cells migrate past the subscriber unit (24). When a subscriber unit (24) encounters the fringe area of a cell it must select and transition to a target cell to maintain contact with the system. The subscriber unit (24) performs an analysis of the location, proximity, and expected duration of exposure of candidate target cells using location data transmitted by control channels located in the candidate cells. The subscriber unit (24) then selects a target cell based on these factors.

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Tempe, AZ, United States of America

Jonathan E Hutcheson