Abstract
Method and apparatus delivering voice/data services within a piconet operating over a limited range or over a WLAN communicating with 3GPP devices by reformatting data into IP format before delivering to the WLAN. The service is short message service (SMS). Upon receipt of an SMS message relevant routing information is retrieved. A PDGW address for the SMS message is identified and is sent to the PDGW address which identifies the WLAN user equipment (UE) for receiving the SMS and reformats the SMS message into IP format (text or encapsulation) for delivery to the UE. A protocol architecture is provided for SMS delivery over WLANs in particular for UMTS/CDMA based SMS over WLAN through two alternative mechanisms i.e. SMS tunneling and SMS proxy for protocols for the delivery of SMS across the WLAN. The invention enhances standard 802.11 in the context of UMTS and CDMA 2000; as well as other scenarios.
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4G,3G | 20/03/2007 | ISLD-200802-001 | INTERDIGITAL INC |
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Technologies
Product
Use Cases
Services
Claim
1. A method for use in a gateway node, the method comprising:
the gateway node receiving a signaling system #7 (SS7) message, wherein the SS7 message includes Short Message Service (SMS) data intended for a destination user equipment;
the gateway node receiving information from a Home Location Register (HLR) of a cellular network, the information related to a mapping of an International Mobile Subscriber Identity (IMSI) of the destination user equipment to an Internet Protocol (IP)-based identifier of the destination user equipment;
the gateway node generating an IP message based on the SS7 message and the information received from the HLR, wherein the IP message includes the SMS data intended for the destination user equipment, the IP-based identifier of the destination user equipment, and an IP-based identifier of the gateway node;
the gateway node transmitting the IP message to the destination user equipment.
2. The method of claim 1, wherein the gateway node is an IP short message gateway (IP SM GW).
3. The method of claim 1, wherein the IP message is a session initiation protocol (SIP) message.
4. The method of claim 1, wherein the IP message is transmitted to the destination user equipment using user datagram protocol (UDP).
5. The method of claim 1, wherein the IP message is transmitted to the destination user equipment using transmission control protocol (TCP).
6. The method of claim 1, wherein the IP message is transmitted to the destination user equipment via a network based on Institute for Electrical and Electronics Engineers (IEEE) 802.11 technology.
7. The method of claim 1, wherein the IP message is transmitted to the destination user equipment via a wireless local area network (WLAN).
8. The method of claim 1, wherein the IP message is transmitted to the destination user equipment via a third generation partnership project (3GPP) network.
9. The method of claim 1, wherein the SS7 message is received from a SMS gateway mobile switching center (SMS-GMSC).
10. The method of claim 1, wherein the IP message is transmitted to the destination user equipment via an IP multimedia subsystem (IMS).
11. A gateway node comprising:
a receiver configured:
to receive a signaling system #7 (SS7) message, wherein the SS7 message includes Short Message Service (SMS) data intended for a destination user equipment; and
to receive information from a Home Location Register (HLR) of a cellular network, the information related to a mapping of an International Mobile Subscriber Identity (IMSI) of the destination user equipment to an Internet Protocol (IP)-based identifier of the destination user equipment;
a processor configured to generate an IP message based on the SS7 message and the information received from the HLR, wherein the IP message includes the SMS data intended for the destination user equipment, the IP-based identifier of the destination user equipment, and an IP-based identifier of the gateway node; and
a transmitter configured to transmit the IP message to the destination user equipment.
12. The gateway node of claim 11, wherein the gateway node is included in an IP short message gateway (IP SM GW).
13. The gateway node of claim 11, wherein the IP message is a session initiation protocol (SIP) message.
14. The gateway node of claim 11, wherein the transmitter is configured to transmit the IP message to the destination user equipment using user datagram protocol (UDP).
15. The gateway node of claim 11, wherein the transmitter is configured to transmit the IP message to the destination user equipment using transmission control protocol (TCP).
16. The gateway node of claim 11, wherein the transmitter is configured to transmit the IP message to the destination user equipment via a network based on Institute for Electrical and Electronics Engineers (IEEE) 802.11 technology.
17. The gateway node of claim 11, wherein the transmitter is configured to transmit the IP message to the destination user equipment via a wireless local area network (WLAN).
18. The gateway node of claim 11, wherein the transmitter is configured to transmit the IP message to the destination user equipment via a third generation partnership project (3GPP) network.
19. A method for use in a gateway node, the method comprising:
the gateway node receiving a signaling system #7 (SS7) message, wherein the SS7 message includes Short Message Service (SMS) data intended for a destination user equipment;
the gateway node communicating with a Home Location Register (HLR) of a cellular network to obtain information related to a mapping of an International Mobile Subscriber Identity (IMSI) of the destination user equipment to an Internet Protocol (IP)-based identifier of the destination user equipment;
the gateway node generating a IP message based on the SS7 message and the information received from the HLR, wherein the IP message includes the SMS data intended for the destination user equipment, the IP-based identifier of the destination user equipment, and an IP-based identifier of the gateway node; and
the gateway node transmitting the IP message to the destination user equipment.
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Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
Family member:related patents or applications that share a common priority or original filing.