METHOD OF ESTABLISHING A HRPD SIGNAL LINK

Abstract

A method (10) of establishing an alternate HRPD signaling link between an HRPD access network and an access terminal over a non-HRPD access is disclosed. It includes: providing (12) a signal forwarding function (SFF) (22) between an access terminal (AT) (24) and a high rate packet data (HRPD) access network (AN) (26); establishing (14) a data tunnel (28) between the access terminal (24) and the SFF (22); exchanging (16) HRPD signaling messages and HRPD data via the data tunnel (28); identifying (18) the HRPD access network (26) and the access terminal (24) over non-HRPD access by the SFF (22) by reading a header with certain identifiers and mapping the header to an address of the access terminal or network; and forwarding (20) the HRPD signaling messages and the HRPD data that arrive at the SFF (22) from the access terminal (24) and the HRPD access network (26) to the HRPD access network (26) and the access terminal (24) respectively. The method (10) performs an initiation and session establishment procedure minimizes the time disruption and packet loss during handoff to a HRPD access network and enables seamless mobility.

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4G	16/12/2010	ISLD-201101-007	MOTOROLA INC	S1 TS Number: TS 136 101 Version No: Illustrative part: ---- Release: S2 TS Number: TS 136 211 Version No: Illustrative part: ---- Release: S3 TS Number: TS 136 213 Version No: Illustrative part: ---- Release: S4 TS Number: TS 136 300 Version No: Illustrative part: ---- Release: S5 TS Number: TS 136 321 Version No: Illustrative part: ---- Release: S6 TS Number: TS 136 331 Version No: Illustrative part: ---- Release: +5 -5				No	Family Member

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US8009612B2	4G	16/12/2010	ISLD-201101-007	MOTOROLA INC	S1 TS Number: TS 136 101 Version No: ---- Section No: Release : ---- S2 TS Number: TS 136 211 Version No: ---- Section No: Release : ---- S3 TS Number: TS 136 213 Version No: ---- Section No: Release : ---- S4 TS Number: TS 136 300 Version No: ---- Section No: Release : ---- S5 TS Number: TS 136 321 Version No: ---- Section No: Release : ---- S6 TS Number: TS 136 331 Version No: ---- Section No: Release : ---- +5 -5	Yes	Basis Patent
EP2168322A2	4G	16/12/2010	ISLD-201101-007	MOTOROLA INC	S1 TS Number: TS 136 101 Version No: ---- Section No: Release : ---- S2 TS Number: TS 136 211 Version No: ---- Section No: Release : ---- S3 TS Number: TS 136 213 Version No: ---- Section No: Release : ---- S4 TS Number: TS 136 300 Version No: ---- Section No: Release : ---- S5 TS Number: TS 136 321 Version No: ---- Section No: Release : ---- S6 TS Number: TS 136 331 Version No: ---- Section No: Release : ---- +5 -5	Yes	Family Member
EP2168322B1	4G	16/12/2010	ISLD-201101-007	MOTOROLA INC	S1 TS Number: TS 136 101 Version No: ---- Section No: Release : ---- S2 TS Number: TS 136 211 Version No: ---- Section No: Release : ---- S3 TS Number: TS 136 213 Version No: ---- Section No: Release : ---- S4 TS Number: TS 136 300 Version No: ---- Section No: Release : ---- S5 TS Number: TS 136 321 Version No: ---- Section No: Release : ---- S6 TS Number: TS 136 331 Version No: ---- Section No: Release : ---- +5 -5	Yes	Family Member
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Technologies

Connection Establishment/Control

Product

Not Available

Use Cases

Wireless communication

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Not Available

Claim

1. A signaling adaptation method for converting HRPD messages and HRPD data on to a generic container that can be transported over a non-HRPD access, comprising:providing a HRPD protocol including a Signal Adaptation Protocol (SAP) including an open state, set up state and a default closed state;requesting an alternate HRPD signaling link over a non-HRPD access to be opened;activating the alternate HRPD signaling link upon entering the open state;adapting (encapsulating) the HRPD signaling messages and HRPD Radio Link Protocol (RLP) data on to a non-HRPD access;exchanging HRPD signaling messages and HRPD data between the access terminal and the HRPD access network via the alternate HRPD signaling link, free of establishing an HRPD traffic channel; and identifying the HRPD access network and the access terminal over non-HRPD access by inserting a header comprising sector identification, stream identification and access terminal identification.

2. The method of claim 1, wherein the alternate link is a data tunnel and the non-HRPD access is defined as at least one of a non-HRPD air interface, a non-HRPD access network and a non-HRPD core network.

3. The method of claim 1, further comprising at least one of: forwarding SNP protocol messages and RLP packets to the SAP; forwarding SLP-D protocol messages and RLP packets to the SAP; and forwarding packets of stream protocol to the SAP.

4. The method of claim 1, further comprising providing state machines for at least one of the access terminal and access network.

5. The method of claim 1, further comprising providing a message sequence for requesting and activating the alternate HRPD signaling link by the SAP.

6. The method of claim 1, further comprising pre-establishing an HRPD session, HRPD point-to-point (PPP) and HRPD internet protocol (IP) session over non-HRPD access, free of establishing an HRPD traffic channel, the non-HRPD access being defined as at least one of a non-HRPD air interface, a non-HRPD access network and a non-HRPD core network.

7. The method of claim 1, further comprising performing traffic establishment free of HRPD access channel procedure.

8. The method of claim 1, further comprising providing an alternate link open request message including an identity of the access terminal and the connection is an IP connection.

9. A signaling adaptation method for converting HRPD messages and HRPD data on to a generic container that can be transported over a non-HRPD access, comprising:providing a HRPD protocol including a Signal Adaptation Protocol (SAP) including an open state, set up state and a default closed state;requesting an alternate HRPD signaling link over a non-HRPD access to be opened; activating the alternate HRPD signaling link upon entering the open state;adapting or encapsulating the HRPD signaling messages and HRPD Radio Link Protocol (RLP) data on to a non-HRPD access, the non-HRPD access being defined as at least one of a non-HRPD air interface, a non-HRPD access network and a non-HRPD core network;exchanging HRPD signaling messages and HRPD data between the access terminal and the HRPD access network via the alternate HRPD signaling link, free of establishing an HRPD traffic channel;identifying the HRPD access network and the access terminal over non-HRPD access by inserting a header comprising sector identification, stream identification and access terminal identification;providing at least one state machine for the access terminal and access network; and providing a message sequence for requesting and activating the alternate HRPD signaling link by the SAP

10. The method of claim 9, further comprising forwarding SNP protocol messages and RLP packets to the SAP

11. The method of claim 9, further comprising at least one of: forwarding SNP protocol messages and RLP packets to the SAP; forwarding the SLP-D protocol messages and the RLP packets to the SAP; and forwarding packets of stream protocol to the SAP

12. The method of claim 9, further comprising pre-establishing an HRPD session, HRPD point-to-point (PPP) and HRPD internet protocol (IP) session over non-HRPD access, free of establishing an HRPD traffic channel.']

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