Patent ID: 9445246
Filing Date: 2016-09-13
CPC Classification: H04L,H04W

Claim Text:
1. A method of handling signals for Short Messaging Service (SMS) between a wireless network and a mobile station (MS), the wireless network including a Mobility Management Entity (MME) and a Home Subscriber Server/Home Location Register (HSS/HLR), the MME having Mobile Switching Center (MSC) functionality supporting the SMS, the method comprising: receiving, by the HSS/HLR from the MME, a location update request, the location update request being based on information received by the MME from the MS as part of a combined Tracking Area (TA) and Location Area (LA) update procedure for Packet Switched (PS) and Circuit Switched (CS) domains, the location update request being received over an Sha interface configured between the M ME and the HSS/HLR for the combined Tracking Area (TA) and Location Area (LA) update procedure, the location update request including: updating, by the HSS/HLR, MME information based on the location update request such that an SMS Service Center (SMS-SC) or SMS Gateway MSC/Interworking MSC (SMS-GMSC/IWMSC) in communication with the HSS/HLR conducts SMS signaling with the UE via the MME based on the updated M ME information.