Hybrid fiber twisted pair local loop network service architecture

• US 6,885,662 B2
• Filed: 12/07/2001
• Issued: 04/26/2005
• Est. Priority Date: 12/31/1997
• Status: Expired due to Term

• Current Assignee: AT&T Corporation (AT&T, Inc.)
• Original Assignee: AT&T Corporation (AT&T, Inc.)
• Inventors: Gerszberg, Irwin, Miller, II, Robert Raymond, Romain, Dennis Matthew, Russell, Jesse Eugene, Treventi, Philip Andrew
• Primary Examiner(s): Yao, Kwang Bin
• Application Number:
  US10/005,153
• Publication Number:
  US 20020039359A1
• Time in Patent Office: 1,236 Days
• Field of Search: 370/351, 370/353, 370/354, 370/355, 370/356, 370/357, 370/360, 370/419, 370/422, 370/421, 370/463, 370/493, 370/494, 370/495, 370/529, 370/401, 370/403, 370/404, 370/405, 370/535, 370/536, 370/537, 370/538, 370/539, 370/542, 370/543, 379/93.09, 379/219, 379/220.01, 379/224
• US Class Current: 370/354
• CPC Class Codes: H04L 2012/5605 Fibre
• CPC Class Codes: H04L 2012/5606 Metallic
• CPC Class Codes: H04L 2012/561 Star, e.g. cross-connect, concentrator, subscriber group equipment, remote electronics
• CPC Class Codes: H04L 2012/5615 Network termination, e.g. NT1, NT2, PBX
• CPC Class Codes: H04L 2012/563 Signalling, e.g. protocols, reference model
• CPC Class Codes: H04L 2012/5632 Bandwidth allocation
• CPC Class Codes: H04L 2012/5639 Tariffs or charging
• CPC Class Codes: H04L 2012/5667 IP over ATM
• CPC Class Codes: H04Q 11/0421 Circuit arrangements therefor
• CPC Class Codes: H04Q 2213/13012 Hybrid fiber coax, HFC
• CPC Class Codes: H04Q 2213/13031 Pulse code modulation, PCM
• CPC Class Codes: H04Q 2213/13034 A/D conversion, code compression/expansion
• CPC Class Codes: H04Q 2213/13093 Personal computer, PC
• CPC Class Codes: H04Q 2213/13096 Digital apparatus individually associated with a subscriber line, digital line circuits
• CPC Class Codes: H04Q 2213/13103 Memory
• CPC Class Codes: H04Q 2213/13141 Hunting for free outlet, circuit or channel
• CPC Class Codes: H04Q 2213/13175 Graphical user interface [GUI], WWW interface, visual indication
• CPC Class Codes: H04Q 2213/13176 Common channel signaling, CCS7
• CPC Class Codes: H04Q 2213/13196 Connection circuit/link/trunk/junction, bridge, router, gateway
• CPC Class Codes: H04Q 2213/13199 Modem, modulation
• CPC Class Codes: H04Q 2213/13204 : Protocols
• CPC Class Codes: H04Q 2213/13209 : ISDN
• CPC Class Codes: H04Q 2213/13248 : Multimedia
• CPC Class Codes: H04Q 2213/1326 : Consultation call, broker's call, call hold, toggling
• CPC Class Codes: H04Q 2213/1329 : Asynchronous transfer mode, ATM
• CPC Class Codes: H04Q 2213/13292 : Time division multiplexing, TDM
• CPC Class Codes: H04Q 2213/13298 : Local loop systems, access network
• CPC Class Codes: H04Q 2213/13299 : Bus
• CPC Class Codes: H04Q 2213/13331 : Abbreviated dialling
• CPC Class Codes: H04Q 2213/13337 : Picturephone, videotelephony
• CPC Class Codes: H04Q 2213/13349 : Network management
• CPC Class Codes: H04Q 2213/13367 : Hierarchical multiplexing, add-drop multiplexing
• CPC Class Codes: H04Q 2213/13389 : LAN, internet
• CPC Class Codes: H04Q 2213/13405 : Dual frequency signaling, DTMF
• CPC Class Codes: H04Q 3/0016 : Arrangements providing connection between exchanges

Abstract

A new architecture capable of utilizing the existing twisted pair interface between customer premises equipment and an associated serving local switching office is used to provide a vast array of new services to customers. Using an intelligent services director (ISD) at the customer services equipment as an interface for the equipment to an existing twisted cable pair and a facilities management platform (FMP) at the serving local switching office as an interface to various networks and service opportunities, new services such as simultaneous, multiple calls (voice analog or digital), facsimile, Internet traffic and other data can be transmitted and received over the twisted cable pair by using digital subscriber loop transmission schemes. The new services include but are not limited to videophone, utility meter reading and monitoring, broadcasting and multicasting. The architecture provides for fault-tolerant, transparent interaction of components and services and supports a variety of standards for each level of the open systems interconnection layers and layers of TCP/IP. The FMP connects electronically or optically to the public switched telephone network, Internet backbone, a private Intranet as well as other possible network connections.

Claims

1. A communications architecture comprising:

at least one customer premises equipment interface device coupled to a digital subscriber line modem, the interface device being connected to one end of a single coaxial cable;

a facilities management platform arranged to provide integrated voice and data signals from customer premises equipment to at least one network;

a main distributing frame connected to another end of the single coaxial cable to terminate a plurality of different telecommunication wirings, the main distributing frame to provide a connection between the customer premises equipment interface device and the facilities management platform;

a router within the facilities management platform for transmitting integrated voice and data packet signals from customer premises equipment to a network of the at least one network simultaneously with transmitting voice signals received from customer premises equipment to a public switched telephone network; and

a network server platform coupled to said facilities management platform via the packet data communications network for providing system management to the facilities management platform.

2. The communications architecture of claim 1, wherein the at least one network includes the Internet.

3. The communications architecture of claim 1, wherein the at least one customer premises equipment device comprises a multiplexer for multiplexing voice and data signals for simultaneous transmission over a coaxial cable, which is part of a cable network plant, to the facilities management platform.

4. The communications architecture of claim 3, wherein the voice and data signals are transmitted and received by the customer premises equipment interface device by a spread spectrum multiplexing scheme.

5. The communications architecture of claim 3, wherein the multiplexed voice and data signals are transmitted and received by the customer premises equipment interface device by a time division multiplexing scheme.

6. The communications architecture of claim 3, wherein the multiplexed voice and data signals are transmitted and received by the customer premises equipment interface device by a frequency division multiplexing scheme.

7. The communications architecture of claim 3, wherein the multiplexed voice and data signals are transmitted and received by the customer premises equipment interface device by an asynchronous multiplexing scheme.

8. The communications architecture of claim 3, wherein the multiplexed voice and data signals are transmitted andd received by the customer premises equipment interface device by a synchronous multiplexing scheme.

9. The communications architecture of claim 1, further comprising at least one analog telephone connected to the customer premises interface device.

10. The communications architecture of claim 1, further comprising at least one digital telephone connected to the customer premises interface device.

11. The communications architecture of claim 1, further comprising at least one video telephone connected to the customer premises interface device.

12. The communications architecture of claim 1, further comprising at least one facsimile machine connected to the customer premises interface device.

13. The communications architecture of claim 1, further comprising at least one personal computer telephone connected to the customer premises interface device.

14. The communications architecture of claim 1, wherein the customer premises equipment interface device is electronically connected to the facilities management platform by digital subscriber line modems including said digital subscriber line modem of said customer premises interface device.

15. The communications architecture of claim 1, wherein the at least one network includes a broadband optical network.

16. The communications architecture of claim 1, wherein the public switched telephone network comprises an out of band signaling network.

17. The communications architecture of claim 1, wherein the network server platform is further arranged to launch network applications for use by other elements of the architecture.

18. The comnumications architecture of claim 1, wherein the at least one network further comprises a private switched telephone network.

19. The communications network architecture of claim 1, wherein said facilities management platform comprises an element of an interexchange carrier.

26. The communication architecture of claim 1, wherein the facilities management platform further comprises:

at least one line card; and

means for directly routing analog voice signals to the at least one line card.

27. The communication architecture of claim 26, wherein the at least one line card is configured to convert the analog voice signals to digital format for transmission over a network.

28. The communication architecture of claim 1, wherein the router is configured to transmit the data packet signals and the voice signals over a high speed backbone network.

20. In a communication architecture comprising at least one customer premises equipment interface device coupled to a digital subscriber line modem, the interface device being connected to one end of a single coaxial cable, which is part of a cable network plant, a facilities management platform capable of separating voice signals from data packet signals and connected to another end of the single coaxial cable, the facilities management platform for interfacing with at least one network, a router within the facilities management platform for transmitting data packet signals received from customer premises equipment to a network of the at least one network simultaneously with transmitting voice signals received from customer premises equipment to a public switched telephone network, and a network server platform coupled to said facilities management platform via one of the networks of the at least one network for providing system management to the facilities management platform, a method of providing simultaneous communications over said single coaxial cable comprising the steps of:

receiving a request for one of a voice or packet data service over said single coaxial cable at one of said facilities management platform or said customer premises interface device,

permitting said one service over said single coaxial cable pair,

receiving a second request for one of a voice or packet data service over said single coaxial cable at one of said facilities management platform or said customer premises interface device and

multiplexing signals associated with said first and second services over said single coaxial cable resulting in both said services being received simultaneously by at least one user of said architecture, said signals being intelligently multiplexed such that an available bandwidth of said single twisted pair is maximized.

21. The method of claim 20, wherein the at least one network includes the Internet.

22. The method of claim 20, wherein the at least one network includes a broad band optical network.

23. The method as recited in claim 20, wherein the services comprise a voice service and a packet data service permitting a user to speak to another party and view an Internet web page on a personal computer display at the same time.

24. The method as recited in claim 20, further comprising the steps of receiving a third request for service over said single twisted cable pair and multiplexing signals associated with said first, second and third services over the coaxial cable resulting in said service being received simultaneously by at least one user of said architecture.

25. The method as recited in claim 20, wherein said first request for service comprises a request for an Internet packet data service and said second request for service comprises a request for a video service.

29. The method of claim 20, further comprising:

directly routing analog voice signals to at least one line card within the facilities management platform for transmission over a network when a digital data link fails.

30. The method of claim 29, further comprising:

converting, by the at least one line card, of analog voice signals to digital format for transmission over the network.

31. The method of claim 20, further comprising:

transmitting, via the router, the data packet signals and the voice signals over a high speed backbone network.

32. A communications architecture comprising:

a facilities management platform arranged to provide integrated voice and data signals from the custmer premises equipment to at least one network;

a main distributing frame arranged to be connected to a customer premises equipment interface to terminate a plurality of different telecommunication wirings, the main distributing frame to provide a connection between the customer premises equipment interface device and the facilities management platform;

a router within the faciclites management platform for transmitting integrated voice and data packet signals from customer premises equipment to a network of the at least one network simultaneously with transmitting voice signals received from customer premises equipment to a public switched telephone network; and

a network server platform coupled to said facilities management platform via the packet data communications network for providing system management to the facilities management platform.

33. The communications architecture of claim 32, wherein he at least one network includes the Internet.

34. The communications architecture of claim 32, wherein the at least one customer premises equipment device comprises a multiplexer for multiplexing voice and data signals for simultaneous transmission over a coaxial cable, which is a part of a cable network plant, to the facilities management platform.

35. The communications architecture of claim 32, wherein the facilities management platform is arranged to be electronically connected to the customer premises equipment interface device by digital subscriber line modems including said digital subscriber line modem of said customer premises interface device.

36. The communcations architecture of claim 32, wherein at least one network includes a broadband optical network.

37. The communications architecture of claim 32, wherein the public switched telephone network comprises an out of band signaling network.

38. The communications architecture of claim 32, wherein the network server platform is further arranged to launch network applications for use by other elements of the architecture.

39. The communications architecture of claim 32, wherein at least one network further comprises a private switched telephone network.

40. The communications network architecture of claim 32, wherein said facilities management platform comprises an element of an interexchange carrier.

41. The communication architecture of claim 32, wherein the facilities management platform further comprises:

at least one line card; and

means for directly routing analog voice signals to the at least one line card.

42. The communication architecture of claim 41, wherein at least one line card is configured to convert the analog voice signals to digital format for transmission over a network.

43. The communication architecture of claim 32, wherein the router is configured to transmit the data packet signals and the voice signals over a high speed backbone network.