Transmit and Receive Method for a Data Service

• US 20090290543A1
• Filed: 08/04/2009
• Published: 11/26/2009
• Est. Priority Date: 03/14/2001
• Status: Abandoned Application

• Current Assignee: AT&T Intellectual Property I LP (AT&T, Inc.)
• Original Assignee: AT&T Intellectual Property I LP (AT&T, Inc.)
• Inventors: Van der Merwe, Jacobus, Shankaranarayanan, Nemmara K., Smiljanic, Aleksandra, Woodward, Sheryl Leigh, Desai, Bhavesh N., Shur, David Hilton, Totland, Todd L.
• Application Number:
  US12/535,147
• Publication Number:
  US 20090290543A1
• Time in Patent Office: Days
• US Class Current: 370/328
• CPC Class Codes: H04L 12/2801 Broadband local area networks
• CPC Class Codes: H04L 12/2856 Access arrangements, e.g. Internet access asynchronous transfer mode networks H04L12/5601; broadband local area networks H04L12/2801; optical access or distribution networks H04Q11/0067; access to open networks H04L12/5691; digital subscriber line end-user equipment and bit-level processing of data on a PSTN-based network H04M11/00; home network gateways H04L12/2834; wireless access networks H04W
• CPC Class Codes: H04L 12/2861 Point-to-multipoint connection from the data network to the subscribers
• CPC Class Codes: H04L 12/2898 Subscriber equipments DSL modems H04M11/062; cable modems H04L12/2801
• CPC Class Codes: H04L 25/14 Channel dividing arrangements , i.e. in which a single bit stream is divided between several baseband channels and reassembled at the receiver
• CPC Class Codes: H04L 69/14 Multichannel or multilink protocols
• CPC Class Codes: H04L 9/40 Network security protocols

Abstract

A method includes receiving a plurality of radio frequency (RF) channels in parallel at a receive site, and demodulating the RF channels using a plurality of demodulators of the receive site to generate a plurality of streams of packets, each stream of packets having a first address space. The method also includes combining the plurality of streams of packets at a tunneling destination of the receive site to generate a first stream of packets having a second address space.

Claims

1. A method comprising:

receiving a plurality of radio frequency (RF) channels in parallel at a receive site;

demodulating the RF channels using a plurality of demodulators of the receive site to generate a plurality of streams of packets, each stream of packets having a first address space; and

combining the plurality of streams of packets at a tunneling destination of the receive site to generate a first stream of packets having a second address space.

2. The method of claim 1 further comprising:

receiving the first stream of packets at a transmit site;

encapsulating the first stream of packets at a tunnel source of the transmit site to generate a second stream of packets having the first address space;

dividing the second stream of packets to generate the plurality of streams of packets; and

modulating each stream of packets of the plurality of streams of packets using a corresponding modulator of a plurality of modulators of the transmit site to generate a corresponding RF channel of the plurality of RF channels; and

transmitting the RF channels from the transmit site to the receive site.

3. The method of claim 1 wherein the first address space comprises a first Internet Protocol (IP) address space and the second address space comprises a second IP address space.

4. The method of claim 1 wherein the first address space comprises a Media Access Control (MAC) address space and the second address space comprises an Internet Protocol (IP) address space.

5. A method comprising:

receiving a first stream of packets at a transmit site, each packet of the first stream comprising a first packet header having a destination address in a first address space;

encapsulating, at the transmit site, each packet of the first stream in a payload of a corresponding packet of a second stream of packets, each packet of the second stream comprising a second packet header having a destination address in a second address space;

generating, at the transmit site, a plurality of radio frequency (RF) channels from the second stream of packets, each RF channel representing a separate subset of packets of the second stream of packets;

receiving the plurality of RF channels at a receive site;

processing each RF channel of the plurality of RF channels at the receive site to generate a corresponding stream of packets of a plurality of streams of packets;

combining the plurality of streams of packets at the receive site to generate the second stream of packets; and

extracting the payload from each packet of the second stream of packets at the receive site to generate the first stream of packets.

6. A method comprising:

at a transmit site;

receiving a first stream of packets having a first address space and intended for a first end user device;

receiving a second stream of packets intended for a second end user device;

encapsulating the first stream of packets in a third stream of packets having a second address space;

dividing the third stream of packets for parallel transmission among a plurality of radio frequency (RF) channels; and

providing the second stream of packets for transmission via a select RF channel of the plurality of RF channels concurrent with transmission of the third stream of packets via the plurality of RF channels.

7. The method of claim 6 further comprising:

at a receive site;

receiving the plurality of RF channels;

generate the second stream of packets and the third stream of packets from the plurality of RF channels; and

generating the first stream of packets from the second third stream of packets;

routing the second stream of packets to the second end user device; and

routing the first stream of packets to the first user device.

8. A method comprising:

at a transmit site;

receiving a first stream of packets having a first address space and intended for a first end user device;

receiving a second stream of packets intended for a second end user device;

encapsulating the first stream of packets in a third stream of packets having a second address space;

dividing the third stream of packets for parallel transmission among a plurality of radio frequency (RF) channels; and

providing the second stream of packets for transmission via a select RF channel of the plurality of RF channels by multiplexing the second stream of packets with a portion of the third stream of packets for the select RF channel.

9. The method of claim 8 further comprising:

at a receive site;

receiving the plurality of RF channels;

generating the second stream of packets and the third stream of packets from the plurality of RF channels; and

generating the first stream of packets from the second third stream of packets;

routing the first stream of packets to the first user device; and

routing the second stream of packets to the second end user device.

10. A method comprising:

at a first transmit site;

receiving a first stream of packets having a first address space;

encapsulating the first stream of packets in a second stream of packets having a second address space; and

dividing the third stream of packets for parallel transmission among a plurality of radio frequency (RF) channels; and

at a second transmit site;

receiving a third stream of packets having the second address space; and

providing the third stream of packets for transmission via a select RF channel of the plurality of RF channels by multiplexing the third stream of packets with a portion of the second stream of packets for the select RF channel.

11. The method of claim 10 further comprising:

at a receive site;

receiving the plurality of RF channels;

generating the second stream of packets and the third stream of packets from the plurality of RF channels; and

generating the first stream of packets from the second stream of packets; and

routing the first stream of packets and the third stream of packets from the receive site to a network.