Node and method for monitoring a visitor location register registration of a wireless device

摘要

Example embodiments presented herein are directed towards a Mobility Management Entity (MME) and a Visitor Location Register (VLR) node, as well as corresponding methods therein, for monitoring a VLR node registration of a wireless device The MME is currently serving.

主权项

1. A method, in a Mobility Management Entity (MME), the method comprising:
the MME serving a wireless device; the MME sending to a Visitor Location Register (VLR) node a first registration message for causing the VLR node to register the wireless device with one of a Home Location Register (HLR) and a Home Subscriber Server (HSS); the MME monitoring the VLR node registration of the wireless device, wherein said monitoring comprises: the MME detecting that the wireless device is no longer being served by the MME; and in response to detecting that the wireless device is no longer being served by the MME, the MME sending, to the VLR node, a notification that the VLR node is to re-register the wireless device with one of the HLR and the HSS when the wireless device re-registers with the VLR node via a Long Term Evolution based node.