Data transport for bit-interleaved streams supporting lane identification with invalid streams
View Patent ↗A method for generating a channel stream. The method generally comprises the steps of (A) transforming a plurality of data streams, wherein every data stream entering the channel stream experiences a unique transformation and (B) serializing the data streams as transformed into the channel stream.
1. A method for generating a channel stream, comprising the steps of:
(A) transforming a plurality of data streams in parallel with a plurality of transformations, wherein a unique one of said transformations is provided for each respective one of said data streams; and
(B) serializing said data streams as transformed into said channel stream.
2. The method according to claim 1 , further comprising the step of synchronizing a plurality of units of data, one of said units from each respective one of said data streams, with each other prior to serializing.
3. The method according to claim 2 , wherein at least one of said unique transformations receives a respective one of said units as an input.
4. The method according to claim 1 , wherein at least one of said transformations comprises a plurality of sequential transformations.
5. The method according to claim 1 , wherein at least one of said unique transformations comprises a block substitution transformation.
6. The method according to claim 1 , wherein at least one or said unique transformations comprises a polynomial transformation.
7. The method according to claim 1 , wherein at least one of said unique transformations comprises an encryption transformation.
8. The method according to claim 1 , further comprising the step of detecting when all of said data streams are invalid.
9. The method according to claim 8 , further comprising the steps of:
generating a valid data stream; and
replacing one of said data streams with said valid data stream.
10. The method according to claim 1 , further comprising the steps of:
deserializing said channel stream into a plurality of received data streams;
routing each one of said received data stream into a respective one of a plurality of lanes; and
transforming said received data streams in parallel with a plurality of inverse transformations, wherein a unique one of said inverse transformations is provided for each respective one of said lanes, to recover said data streams.
11. A method for demultiplexing a channel stream, comprising the steps of:
(A) deserializing said channel stream into a plurality of data streams;
(B) routing each one of said data stream into a respective one of a plurality of lanes; and
(C) transforming said data streams in parallel with a plurality of transformations, wherein a unique one of said transformations is provided for each respective one of said lanes.
12. The method according to claim 11 , further comprising the step of scanning at least one of said data streams for a reference bit pattern.
13. The method according to claim 12 , further comprising the step of rerouting said data streams among said lanes in response to an absence of said reference bit pattern.
14. The method according to claim 11 , further comprising the step of scanning each of said data streams for a reference bit pattern.
15. The method according to claim 14 , further comprising the step of asserting a respective valid signal for each one of said data streams in which said reference bit pattern is found.
16. The method according to claim 11 , further comprising the step of storing a plurality of units of data in parallel, one unit from each respective one of said data streams, prior to transforming.
17. The method according to claim 16 , wherein at least one of said transformations receives a respective one of said units as an input.
18. The method according to claim 11 , wherein at least one of said transformations comprises a decryption transformation.
19. The method according to claim 11 , wherein at least one of said transformations comprises a non-return to zero invert-on-one transformation.
20. A circuit comprising:
means for transforming a plurality of data streams in parallel with a plurality of transformations, wherein a unique one of said transformations is provided for each respective one of said data streams; and
means for serializing said data streams as transformed into a channel stream.
21. A circuit comprising:
means for deserializing a channel stream into a plurality of data streams;
means for routing each one of said data stream into a respective one of a plurality of lanes; and
means for transforming said data streams in parallel with a plurality of transformations, wherein a unique one of said transformations is provided for each respective one of said lanes.