Patent ID: 9432822
Filing Date: 2016-08-30
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, from the MS by the MME, information as part of a combined Tracking Area (TA) and Location Area (LA) update procedure for Packet Switched (PS) and Circuit Switched (CS) domains; sending, to the HSS/HLR from the MME based on the received information, a location update request over an S6a interface configured between the MME and the HSS/HLR for the combined Tracking Area (TA) and Location Area (LA) update procedure, the location update request including: receiving, at the MME from an SMS Service Center (SMS-SC) or a SMS Gateway MSC/Interworking MSC (SMS-GMSC/IWMSC) in communication with the HSS/HLR, SMS signaling based on the location update request.