Method and apparatus for delivering IPP2T (IP-push-to-talk) wireless LAN mobile radio service

• US 8,750,169 B2
• Filed: 06/14/2010
• Issued: 06/10/2014
• Est. Priority Date: 08/03/2001
• Status: Expired due to Fees

• Current Assignee: AT&T Corporation (AT&T, Inc.)
• Original Assignee: AT&T Intellectual Property II LP (AT&T, Inc.)
• Inventors: Chow, Albert T., Miller, Robert Raymond II, Murray, John F., Rice, Christopher W
• Primary Examiner(s): HSU, ALPUS
• Application Number:
  US12/815,381
• Publication Number:
  US 20100246552A1
• Time in Patent Office: 1,457 Days
• Field of Search: None
• US Class Current: 370/259
• CPC Class Codes: H04L 65/1016 IP multimedia subsystem [IMS]
• CPC Class Codes: H04L 65/4061 Push-to services, e.g. push-to-talk or push-to-video
• CPC Class Codes: H04L 67/55 Push-based network services
• CPC Class Codes: H04L 69/329 in the application layer [OSI layer 7]
• CPC Class Codes: H04W 4/10 Push-to-Talk [PTT] or Push-On-Call services
• CPC Class Codes: H04W 72/30 Resource management for broadcast services
• CPC Class Codes: H04W 76/45 for Push-to-Talk [PTT] or Push-to-Talk over cellular [PoC] services
• CPC Class Codes: H04W 80/00 Wireless network protocols or protocol adaptations to wireless operation
• CPC Class Codes: H04W 84/08 Trunked mobile radio systems
• CPC Class Codes: H04W 84/12 WLAN [Wireless Local Area Networks]
• CPC Class Codes: H04W 88/06 adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Abstract

A broadband access network terminal comprising a hardware integrated circuit is disclosed. The hardware integrated circuit is for communicating with a plurality of access points. The plurality of access points is for communicating with a plurality of subscriber terminals via a wireless local area network. The hardware integrated circuit is further for communicating with a broadband access network. In addition, the broadband access network terminal comprises an internet protocol multicast enabled broadband access network terminal, The broadband access network terminal further supports an internet protocol push-to-talk service for the plurality of subscriber terminals via the wireless local area network and supports media stream mixing and multicasting of information associated with the internet protocol push-to-talk service.

Claims

1. A broadband access network terminal comprising a hardware integrated circuit, wherein the hardware integrated circuit is for:

communicating with a plurality of access points, wherein the plurality of access points is for communicating with a plurality of subscriber terminals via a wireless local area network; and

communicating with a broadband access network, wherein the broadband access network terminal comprises an internet protocol multicast enabled broadband access network terminal, wherein the broadband access network terminal supports an internet protocol push-to-talk service for the plurality of subscriber terminals via the wireless local area network, wherein the broadband access network terminal supports media stream mixing and multicasting of information associated with the internet protocol push-to-talk service.

2. The broadband access network terminal of claim 1, wherein the broadband access network comprises a broadband wired access network.

3. The broadband access network terminal of claim 1, wherein the broadband access network terminal further supports a voice over internet protocol telephony service and a data mode of service.

4. The broadband access network terminal of claim 1, wherein the broadband access network terminal supports information exchanges between the plurality of access points and a wireless local area network mobile radio service controller.

5. The broadband access network terminal of claim 4, wherein the information exchanges comprise:

voice, data and multimedia information.

6. The broadband access network terminal of claim 1, wherein the broadband access network terminal supports signaling and control information exchanges between the plurality of access points and a wireless local area network mobile radio service controller.

7. The broadband access network terminal of claim 1, wherein the broadband access network terminal supports a mobility of one of the plurality of subscriber terminals, wherein the mobility comprises the one subscriber terminal traveling outside of a home area.

8. The broadband access network terminal of claim 1, wherein the media stream mixing includes a digital speech coding process and a digital speech decoding process.

9. The broadband access network terminal of claim 1, wherein the broadband access network terminal supports authentication, authorization and accounting services.

10. The broadband access network terminal of claim 1, wherein the broadband access network terminal supports a call feature application via a session initiation protocol.

11. The broadband access network terminal of claim 1, wherein the broadband access network terminal supports a radio frequency management process related to the internet protocol push-to-talk service.

12. The broadband access network terminal of claim 1, wherein the broadband access network terminal supports operation, administration, maintenance and provisioning processes related to the internet protocol push-to-talk service.

13. The broadband access network terminal of claim 1, wherein the broadband access network terminal supports a security management process related to the Internet protocol push-to-talk service.

14. The broadband access network terminal of claim 1, wherein the broadband access network terminal supports inter-working functions with a plurality of additional broadband access network terminals to provide the internet protocol push-to-talk service.

15. The broadband access network terminal of claim 1, wherein the broadband access network terminal supports a multicasting routing function.

16. The broadband access network terminal of claim 15, wherein the multicasting routing function is in accordance with an internet control message protocol.

17. The broadband access network terminal of claim 1, wherein the broadband access network terminal filters Internet protocol push-to-talk communications based on network internet protocol multicast addresses.

18. The broadband access network terminal of claim 1, wherein the broadband access network terminal supports a firewall that filters internet protocol multicast traffic.

19. A method of communicating via a broadband access network terminal comprising a hardware integrated circuit, the method comprising:

communicating, via the broadband access network terminal, with a plurality of access points, wherein the plurality of access points is for communicating with a plurality of subscriber terminals via a wireless local area network; and

communicating, via the broadband access network terminal, with a broadband access network, wherein the broadband access network terminal comprises an internet protocol multicast enabled broadband access network terminal, wherein the broadband access network terminal supports an internet protocol push-to-talk service for the plurality of subscriber terminals via the wireless local area network, wherein the broadband access network terminal supports media stream mixing and multicasting of information associated with the internet protocol push-to-talk service.