GPRS network and method therefor

• US 20020077132A1
• Filed: 12/20/2000
• Published: 06/20/2002
• Est. Priority Date: 12/20/2000
• Status: Active Grant

• Current Assignee: Apple Inc.
• Original Assignee: Nortel Networks Limited (Nortel Networks Corporation)
• Inventors: Lauson, David J., Provost, Curtis, Mizell, Jerry
• Granted Patent: US 7,027,825 B2
• Time in Patent Office: Days
• US Class Current: 455/466
• CPC Class Codes: H04W 4/14 Short messaging services, e.g. short message services [SMS] or unstructured supplementary service data [USSD]
• CPC Class Codes: H04W 92/02 Inter-networking arrangements

Abstract

A system for delivering SMS messages to a mobile terminal includes an apparatus and method that deliver the SMS messages either using legacy SMS message formats or data packet formats. Additionally, a connection is created between a message center and a gateway GPRS support node wherein SMS messages may be transmitted to the gateway GPRS support node in a data packet format. To provide this capability, the gateway GPRS support node includes a unique port address for receiving SMS messages and circuitry for processing SMS messages received in a data packet format. A serving GPRS support node is formed to include circuitry for determining whether to transmit the SMS message to the mobile terminal in a data packet format or in a legacy SMS message format.

Claims

1. A system for delivering SMS messages to a mobile terminal, comprising:

an SMS message center, comprising SMS SS7 circuitry for transmitting SMS messages over an SS7 network;

SMS IP circuitry for transmitting SMS messages over an IP network to a specified IP port;

SMS processing circuitry coupled to the SMS SS7 circuitry and to the SMS IP circuitry for delivering messages thereto for transmission to a mobile terminal;

a gateway GPRS support node (GGSN) having the specified IP port for receiving SMS messages transmitted in an IP protocol over the IP network from the SMS message center;

a serving GPRS support node for receiving SMS messages from the gateway GPRS support node, said messages being received in a GPRS tunneling protocol and in an IP protocol; and

wireless transceiver circuitry for receiving the SMS messages from the serving GPRS support node, the wireless transceiver circuitry for delivering the SMS message to the mobile terminal;

2. The system of claim 1, wherein the serving GPRS support node comprises SMS message processing circuitry, which SMS processing circuitry defines SMS message processing logic.

3. The system of claim 1, wherein the gateway GPRS support node is coupled to receive SMS messages from a private data network.

4. The system of claim 1, wherein the gateway GPRS support node is coupled to receive SMS messages from the Internet.

5. The system of claim 1, wherein the IP network between the SMS message center and the gateway GPRS support node comprises a plurality of communication paths and IP routers forming a data packet network wherein the SMS message is transmitted over the plurality of communication paths to a single IP port defined within the GGSN.

6. The system of claim 1 wherein the SGSN is formed to query the GPRS HLR to determine whether to forward the SMS message to a base station for delivery to the mobile terminal in one of an IP data packet format or in a legacy SMS format.

7. The system of claim 1 wherein the SGSN is formed to receive SMS messages in a legacy form from an SS7 network port and in an IP data packet form from a GGSN.

8. A method in a GPRS network, comprising:

transmitting an SMS message from an SMS message center over one of at least two communication networks, the at least two communication networks comprising an SS7 network and a data packet network;

receiving the SMS message at an SGSN from one of the SS7 network or from a GGSN; and

forwarding the message to a mobile terminal.

9. The method of claim 8 further comprising, at the GGSN, the step of receiving the SMS message from the data packet network.

10. The method of claim 9 wherein the data packet network is the Internet.

11. The method of claim 8 wherein the SGSN forwards the SMS message to the mobile terminal in a data packet format.

14. The method of claim 13 wherein one of the two network ports is a data packet capable port.

15. The method of claim 14 wherein the other of the two network ports is an SS7 telephone network capable port.

17. The serving GPRS support node of claim 16 further comprising circuitry to prompt the SGSN to query a GPRS HLR to determine whether a subscriber profile for a mobile terminal that is to receive an SMS message prefers to receive its SMS messages in the legacy or data packet formats.

18. The serving GPRS support node of claim 16 wherein the circuitry for receiving SMS messages from a gateway GPRS support node is formed to reconstruct received data packets into an SMS message.

12. The method of claim in a legacy SMS message format.

13. A method within an serving GPRS support node, comprising:

receiving an SMS message from one of two network ports in one of a first format and a second format;

determining whether to convert the SMS message from the first format to the second format; and

forwarding the message to a wireless network for delivery to a mobile terminal.

16. A serving GPRS support node, comprising:

circuitry for receiving SMS messages from an SS7 network;

circuitry for receiving SMS messages in a data packet network from a gateway GPRS support node;

circuitry determining whether to forward received SMS messages in one of a legacy format or a data packet format.