LOW LATENCY MESSAGING SERVICE FOR THE 5GC
Methods and apparatuses are described herein for sending and receiving messages using a low latency messaging service, referred to herein as a 5GMSG service, which resides in the 5G core network (5GC). In accordance with one embodiment, an apparatus may send, to a second apparatus, a first message comprising a first identifier for a third apparatus to enable the third apparatus to receive the first message. The apparatus may receive, from the second apparatus, a second message comprising a second identifier of the third apparatus. The apparatus may send, to the third apparatus, a third message comprising the second identifier. The first identifier may comprise an external public identifier of the third apparatus. The second identifier may comprise a 5G Globally Unique Temporary Identifier, a 5G Temporary Mobile Subscriber Identity (5G-TMSI), or a hashed version of a 5G-TMSI. The apparatus may receive notifications indicating that the second identifier changed.
1 . An apparatus comprising a processor, a memory, and communication circuitry, the apparatus being connected to a network via its communication circuitry, the apparatus further comprising computer-executable instructions stored in the memory of the apparatus which, when executed by the processor of the apparatus, cause the apparatus to perform operations comprising:
sending, to a second apparatus, a first message comprising a first identifier for a third apparatus to enable the third apparatus to receive the first message;
receiving, from the second apparatus, a second message comprising a second identifier of the third apparatus; and
sending, to the third apparatus, a third message comprising the second identifier.
2 . The apparatus of claim 1 , wherein the apparatus comprises at least one of a user equipment (UE), a wireless communications device, a computing device, a smartphone, or a gateway.
3 . The apparatus of claim 1 , wherein the second apparatus comprises a network function.
4 . The apparatus of claim 3 , wherein the network function comprises an access and management function (AMF).
5 . The apparatus of claim 1 , wherein the third apparatus comprises at least one of a user equipment (UE) or an Internet of Things (IoT) server.
6 . (canceled)
7 . The apparatus of claim 1 , wherein the first identifier comprises an external public identifier of the third apparatus.
8 . The apparatus of claim 1 , wherein the second identifier comprises at least one of a 5G Globally Unique Temporary Identifier, a 5G Temporary Mobile Subscriber Identity (5G-TMSI), or a hashed version of a 5G Temporary Mobile Subscriber Identity (5G-TMSI).
9 . The apparatus of claim 1 , wherein the second message further comprises an acknowledgment message.
10 - 11 . (canceled)
12 . The apparatus of claim 1 , further comprising computer-executable instructions stored in the memory of the apparatus which, when executed by the processor of the apparatus, cause the apparatus to perform further operations comprising:
receiving, from the second apparatus, a fourth message indicating that the second identifier has changed.
13 . The apparatus of claim 12 , wherein the fourth message comprises a non-access stratum notification.
14 . The apparatus of claim 12 , wherein the fourth message is based on a location change of the third apparatus.
15 . The apparatus of claim 1 , further comprising computer-executable instructions stored in the memory of the apparatus which, when executed by the processor of the apparatus, cause the apparatus to perform further operations comprising:
sending, to the second apparatus, a fifth message comprising a group identifier for a group of apparatuses.
16 . The apparatus of claim 15 , wherein the group identifier comprises a globally unique AMF identifier (GUAMI).
17 . The apparatus of claim 1 , wherein a protocol data unit (PDU) session is established prior to sending the first message.
18 . The apparatus of claim 17 , wherein the third apparatus is identified as a session endpoint in the PDU session establishment procedure.
19 . The apparatus of claim 1 , wherein the first message further comprises an acknowledgement preference.
20 . The apparatus of claim 1 , wherein the third message further comprises an acknowledgement preference.
21 - 24 . (canceled)
25 . A method comprising:
sending, to an apparatus, a first message comprising a first identifier for a second apparatus to enable the second apparatus to receive the first message;
receiving, from the apparatus, a second message comprising a second identifier of the second apparatus; and
sending, to the second apparatus, a third message comprising the second identifier.
26 . The method of claim 25 , wherein the apparatus comprises a network function, wherein the network function comprises an access and management function (AMF).
27 . (canceled)
28 . The method of claim 25 , wherein the second apparatus comprises at least one of a user equipment (UE) or an Internet of Things (IoT) server.
29 - 43 . (canceled)