A METHOD, A SERVING CELL CONTROLLER AND A SYSTEM FOR DETECTING SUPPORT FOR PACKET-SWITCHED HANDOVER

摘要

The present invention relates to a method for dynamically and automatically detecting at least one target cell without support for packet-switched handover from a serving cell controller (600, 510, 730) of a first radio access technology (720) towards a cell supported by a second radio access technology (740). In the method, the serving cell controller (600, 510, 730) selects a candidate neighbour target cell (506) for packet-switched handover, initiates (508) a packet-switched handover attempt towards the selected cell and dynamically and automatically stores (509, 541 ) in a list (511 , 631) maintained in a database (630) of the serving cell controller (600, 510, 730) a result of an unsuccessful packet-switched handover attempt made towards the target cell, wherein the result comprises the identity (512) of the target cell and a timestamp (513) for the target cell indicating when the target cell was most recently added to the list (51 1 , 631). The timestamp is further used by the serving cell controller (600, 510, 730) to decide when to enable a new packet-switched handover attempt towards the target cell. The present invention also relates to a serving cell controller (600, 510, 730) and to a mobile telecommunication system (700) including such serving cell controller (500, 510, 730).