Data service including channel group
A method at a cable modem termination system includes dividing a transmit stream into multiple data streams and transmitting the multiple data streams over multiple radio frequency channels of a group of channels. The group of channels supports traffic to a plurality of destinations. Each channel in the group of channels is a downstream channel.
1. A method comprising:
at a cable modem termination system:
dividing a transmit stream into multiple data streams, wherein each of the multiple data streams has a bit rate that is lower than a bit rate of the transmit stream; and
transmitting the multiple data streams over multiple radio frequency channels of a group of channels,
wherein the group of channels comprises more than two channels,
wherein the group of channels supports traffic to a plurality of destinations,
wherein each channel in the group of channels is a downstream channel, and
wherein at least one channel in the group of channels is a frequency division multiplexing channel.
2. The method of claim 1 , wherein first data is communicated to a first destination of the plurality of destinations via one or more first channels of the group of channels, and wherein second data is communicated to a second destination of the plurality of destinations via one or more second channels of the group of channels.
3. The method of claim 1 , wherein the plurality of destinations includes at least one cable modem.
4. The method of claim 1 , wherein the multiple data streams are recombinable to form a combined data stream, and wherein the combined data stream has a bit rate equal to the bit rate of the transmit stream.
5. The method of claim 1 , wherein packets transmitted by the cable modem termination system include sequence numbers to enable selective re-sequencing of the packets based on the sequence numbers.
6. The method of claim 1 , wherein the at least one channel is an orthogonal frequency division multiplexing (OFDM) channel.
7. The method of claim 1 , where each channel in the group of channels is an orthogonal frequency division multiplexing (OFDM) channel.
8. A system comprising:
a processor to divide a transmit stream into multiple data streams, wherein each of the multiple data streams has a bit rate that is lower than a bit rate of the transmit stream; and
one or more modulators to modulate the multiple data streams to provide modulated data to be transmitted over multiple radio frequency channels of a group of channels,
wherein the group of channels comprises more than two channels,
wherein the group of channels supports traffic to a plurality of destinations,
wherein each channel in the group of channels is a downstream channel, and
wherein at least one channel in the group of channels is a frequency division multiplexing channel.
9. The system of claim 8 , wherein first data is communicated to a first destination of the plurality of destinations via one or more first channels of the group of channels, and wherein second data is communicated to a second destination of the plurality of destinations via one or more second channels of the group of channels.
10. The system of claim 8 , wherein the plurality of destinations includes at least one cable modem.
11. The system of claim 8 , wherein the multiple data streams are recombinable to form a combined data stream, and wherein the combined data stream has a bit rate equal to the bit rate of the transmit stream.
12. The system of claim 8 , wherein the processor and the one or more modulators are included in a cable modem termination system.
13. The system of claim 8 , wherein packets of the multiple data streams include sequence numbers to enable selective re-sequencing of the packets based on the sequence numbers.
14. The system of claim 8 , wherein the at least one channel is an orthogonal frequency division multiplexing (OFDM) channel.
15. The system of claim 8 , where each channel in the group of channels is an orthogonal frequency division multiplexing (OFDM) channel.
16. A cable modem termination system comprising:
a processor to divide a transmit stream into multiple data streams, wherein each of the multiple data streams has a bit rate that is lower than a bit rate of the transmit stream; and
a transmit device to transmit the multiple data streams over multiple radio frequency channels of a group of channels of a cable network,
wherein the group of channels comprises more than two channels,
wherein the cable network comprises a hybrid fiber-coaxial network or a coaxial network,
wherein each channel in the group of channels is a downstream channel, and
wherein each channel of the group of channels supports traffic to a plurality of destinations, and
wherein at least one channel in the group of channels is a frequency division multiplexing channel.
17. The cable modem termination system of claim 16 , wherein packets of the multiple data streams include sequence numbers.
18. The cable modem termination system of claim 16 , wherein the multiple data streams are recombinable to form a combined data stream that includes internet protocol traffic, and wherein the combined data stream has a bit rate equal to the bit rate of the transmit stream.
19. The cable modem termination system of claim 16 , wherein the at least one channel is an orthogonal frequency division multiplexing (OFDM) channel.
20. The cable modem termination system of claim 16 , where each channel in the group of channels is an orthogonal frequency division multiplexing (OFDM) channel.
21. A cable modem termination system comprising:
a processor to divide a transmit stream into multiple data streams, wherein each of the multiple data streams has a bit rate that is lower than a bit rate of the transmit stream; and
a transmit device to transmit the multiple data streams over multiple radio frequency channels of a group of channels of a cable network,
wherein the group of channels comprises more than two channels,
wherein the cable network comprises a hybrid fiber-coaxial network or a coaxial network,
wherein each channel in the group of channels is a downstream channel,
wherein the group of channels supports traffic to a plurality of destinations, and
wherein at least one channel in the group of channels is a frequency division multiplexing channel.
22. The cable modem termination system of claim 21 , wherein the multiple data streams are recombinable to form a combined data stream that includes internet protocol traffic.
23. The cable modem termination system of claim 22 , wherein packets of the multiple data streams include sequence numbers to enable selective re-sequencing of the packets based on the sequence numbers.
24. The cable modem termination system of claim 21 , wherein the at least one channel is an orthogonal frequency division multiplexing (OFDM) channel.
25. The cable modem termination system of claim 21 , where each channel in the group of channels is an orthogonal frequency division multiplexing (OFDM) channel.