At command for MO SMS access domain preference selection
AssigneeMediatek Inc.
InventorsRen-Huang Liu, Marko Niemi
Life of this patent
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Abstract
A method of access domain preference selection for mobile originating short message service (MO SMS) using Attention (AT) command in EPS/5GS is provided. A new AT command is defined to specify the preferred access domain for UE to use for MO SMS over NAS messages when the UE supports non-3GPP access (e.g., in 5GS) and 3GPP access (e.g., in EPS/5GS). The set AT command (+CADSMS=[<access domain preference>]) is provided for the purpose of specify the access preference that the UE will use to send MO SMS over NAS message, the read AT command (+CADSMS?) returns the currently selected access preference, and a test AT command (+CADSMS=?) returns the supported access preference as a compound value.
Claims18
A method, comprising:
- performing a registration procedure by a user equipment (UE) in a non-5G system (non-5GS) mobile communication network, wherein the non-5GS is an evolved packet system (EPS);
- requesting to use mobile originating short message service (MO SMS) over non-access-stratum (NAS) signaling, wherein the UE supports both a 3GPP access domain and a non-3GPP access domain;
- providing an Attention (AT) command between a modem and an Application Processor (AP) of the UE when the UE is registered, wherein the AT command is for setting a preferred access domain or for reading a current access domain for MO SMS over NAS;
- and
- transmitting an SMS message using MO SMS over the preferred access domain or over the current access domain.
A User Equipment (UE), comprising:
- a registration handling circuit that performs a registration procedure in a non-5G system (non-5GS) mobile communication network, wherein the non-5GS is an evolved packet system (EPS);
- a configuration circuit that requests to use mobile originating short message service (MO SMS) over non-access-stratum (NAS) signaling, wherein the UE supports both a 3GPP access domain and a non-3GPP access domain;
- a modem and an Application Processor (AP) of the UE that provides an Attention (AT) command when the UE is registered, wherein the AT command is for setting a preferred access domain or for reading a current access domain for MO SMS over NAS;
- and
- a transmitter that transmits an SMS message using MO SMS over the preferred or current access domain.
Dependencies are inferred from the claim text.