31 INTL-425-IN
WE CLAIM:
1. A user equipment (UE) (15) adapted for machine type communication (MTC) in a
public land mobile network (PLMN), the UE comprising:
one or more processors (1504) to indicate a delivery status of a device trigger
message and a trigger payload by:
transmitting a message to indicate reception of the device trigger message and the
trigger payload, to a node comprising a mobile management entity (MME) or a Serving
General Packet Radio Service Support Node (SGSN) (58) adapted to receive a trigger from
a MTC interworking function (MTC-IWF) (54) over a first reference point, wherein the
MTC-IWF is adapted to receive a trigger request over a second reference point from a
Services Capability Server (SCS) (52), the trigger request comprising the trigger payload
from the SCS, and wherein the MTC-IWF is adapted to send a trigger acknowledgement to
the SCS when the MTC-IWF is unable to process the trigger request; and
initiating, in response to the device trigger message, communication with the SCS.
2. The UE as claimed in claim 1, wherein the trigger payload is a data payload for
downlink transmission from the SCS to the UE, the UE to wirelessly communicate in the
PLMN.
3. The UE as claimed in claim 1, wherein the UE receives the device trigger
message and the trigger payload from the node.
4. The UE as claimed in claim 1, comprising:
a sensor, wherein said transmitting a message to indicate reception of the device
trigger message and the trigger payload includes information collected by the sensor.
5. The UE as claimed in claim 1, wherein the PLMN is accessible to the UE via a
GSM Enhanced Data for GSM Evolution (EDGE) Radio Access Network (GERAN),
Universal Terrestrial Radio Access Network (UTRAN) or Evolved UTRAN (E-UTRAN).
6. A method to indicate a delivery status of a device trigger message and a trigger
payload, comprising: 32 INTL-425-IN
transmitting a message from a user equipment (UE) (15) adapted for machine type
communication (MTC) in a public land mobile network (PLMN), to indicate reception of
the device trigger message and the trigger payload, to a node comprising a mobile
management entity (MME) or a Serving General Packet Radio Service Support Node
(SGSN) (58) adapted to receive a trigger from a MTC interworking function (MTC-IWF)
(54) over a first reference point, wherein the MTC-IWF is adapted to receive a trigger
request over a second reference point from an MTC server (52), the trigger request
comprising a trigger payload from the MTC server, and wherein the MTC-IWF (54) is
adapted to send a trigger acknowledgement to the MTC server (52) when the MTC-IWF is
unable to process the trigger request; and
initiating, by the UE (15), communication with the MTC server (52).
7. The method as claimed in claim 6, wherein:
the trigger payload is a data payload for downlink transmission from the MTC server
to the UE, the UE to wirelessly communicate in the PLMN.
8. The method as claimed in claim 6, wherein the node is a first node, the PLMN
comprising:
a second node including a Home Location Register (HLR) or Home Subscriber
Server (HSS) (56), wherein the MTC-IWF is to communicate, in response to receiving the
trigger request, with the second node over a third reference point to obtain routing
information for routing the trigger notification.
9. The method as claimed in claim 6, wherein the MTC-IWF is to send a trigger
acknowledgement to the MTC server when the MTC-IWF is unable to process the trigger
request.
10. The method as claimed in claim 6, wherein the node is to send, in response to
receiving the trigger notification, a message to indicate the trigger request to the UE.
11. The method as claimed in claim 10, wherein the node is to send a trigger report
to the MTC-IWF to indicate a success or failure of the message sent to indicate the trigger
request to the UE.
12. The method as claimed in claim 11, wherein: 33 INTL-425-IN
the MTC-IWF is to forward the trigger report to the MTC server; and
the MTC server is to establish, in response to receiving the trigger report, a user
plane connection with the UE for sending of the trigger payload over the user plane
connection.
13. An apparatus comprising:
one or more processors (1504) to implement an interworking function (IWF) to:
receive, from a machine type communication (MTC) server (52) over a Tsp
reference point, a trigger request comprising a first container and a second container,
wherein:
the first container includes a value to indicate a message type of the trigger
request, and
the second container includes:
a trigger to cause transmission of a first data payload in an uplink
transmission over a wireless communication network from a user equipment
(UE) (15) to the MTC server (52), wherein the first data payload is smaller
than a preconfigured threshold, and
a second data payload for downlink transmission from the MTC
server to the UE, wherein the second data payload is smaller than the
preconfigured threshold;
send, when the apparatus is able to process the trigger request and in response to the
trigger request, a trigger notification over a T5 reference point to a node comprising a
Mobility Management Entity (MME) or a Serving GPRS (General Packet Radio Service)
Support Node (SGSN) (58), wherein the trigger notification comprises the trigger and the
second payload;
send, when the apparatus is unable to process the trigger request, a trigger
acknowledgment to the MTC server (52) over the Tsp reference point to indicate that the
apparatus was unable to process the trigger request; and
send, to the MTC server (52) over the Tsp reference point, a trigger report, wherein
the trigger report is to indicate a success or failure of delivery of a message to the UE (15),
wherein the message is to trigger sending the first data payload based on the trigger request.
14. The apparatus as claimed in claim 13, wherein: 34 INTL-425-IN
the second data payload for downlink transmission from the MTC server to the UE
is to trigger the UE to perform one or more actions.
15. The apparatus as claimed in claim 13, wherein:
the node is a first node; and
the IWF is to communicate, in response to receiving the trigger request, with a
second node including a Home Location Register (HLR) (56) over a S6m reference point to
obtain routing information for sending the trigger notification over the T5 reference point.
16. The apparatus as claimed in claim 13, wherein:
the T5 reference point terminates at the IWF; and
the IWF comprises a machine type communication interworking function (MTCIWF) (54) that is to terminate the Tsp reference point to the MTC-IWF from the MTC
server.
17. The apparatus as claimed in claim 13, wherein the IWF is to send a trigger
acknowledgement to the MTC server when the IE is unable to process the trigger request
due to overload at the IWF.
18. The apparatus as claimed in claim 13, wherein the IWF is to:
receive a trigger report from the node including the MME or the SGSN, the trigger
report to indicate a success or failure of the trigger notification; and
forward the trigger report to the MTC server.
19. The apparatus as claimed in claim 18, wherein the trigger report includes the
first data payload.
20. The apparatus as claimed in claim 13, wherein:
the trigger notification is a GPRS (General Packet Radio Service) Tunneling
Protocol (GTP) message (500) or an MTC Application Protocol (MTC-AP) message
(1200); and
the trigger request is an MTC-AP message.
21. The apparatus as claimed in claim 13, wherein the trigger notification includes
one or more information elements to provide a cause, user equipment (UE) identity, validity
period, priority, generic data container, or private extension. 35 INTL-425-IN
22. The apparatus as claimed in claim 13, wherein:
the wireless communication network includes a Global System for Mobile
Communication (GSM), General Packet Radio Service (GPRS), Universal Mobile
Telecommunications System (UMTS), High Speed Packet Access (HSPA), Evolved HSPA
(E-HSPA), or Long-Term Evolution (LTE) network; and
the wireless communication network is accessible to the UE via a GSM Enhanced
Data for GSM Evolution (EDGE) Radio Access Network (GERAN), Universal Terrestrial
Radio Access Network (UTRAN) or Evolved UTRAN (E-UTRAN).
23. A method comprising:
receiving, by a Machine Type Communication interworking function (MTC-IWF)
(54) over a Tsp reference point from a Machine Type Communication (MTC) server (52) of
a wireless communication network, a trigger request comprising a first container and a
second container, wherein:
the first container includes a value to indicate a message type of the trigger
request, and
the second container includes:
a trigger to cause transmission of a first data payload in an uplink
transmission from a user equipment (UE) (15) to the MTC server (52),
wherein the first data payload is smaller than a preconfigured threshold, and
a second data payload for downlink transmission from the MTC server to the
UE, wherein the second data payload is smaller than the preconfigured threshold,
wherein the UE is adapted to wirelessly communicate with the wireless
communication network via a GSM Enhanced Data for GSM Evolution (EDGE)
Radio Access Network (GERAN), Universal Terrestrial Radio Access Network
(UTRAN) or Evolved UTRAN (E-UTRAN), and wherein the first data payload and
the second data payload are smaller than a preconfigured threshold;
when the MTC-IWF (54) is able to process the trigger request and in response to the
trigger request, sending, over a T5 reference point to a node including a Mobility
Management Entity (MME) or a Serving General Packet Radio Service Support Node
(SGSN) (58), a trigger notification to trigger sending of the first data payload over the
wireless communication network, wherein the trigger notification comprises the second data
payload and the trigger; and