Methods and apparatus for performing time interleaved...

Details Methods and apparatus for performing time interleaved... Methods and apparatus for performing time interleaved...

H - Electricity

04

L

344/25

H04L 12/52 (2006.01) H04J 3/16 (2006.01) H04Q 11/04 (2006.01)

Patent

CA 1335833

Methods and apparatus are set forth which improve the sub-rate channel carrying capacity and the efficiency of bandwidth usage, over the CCITT I.463 standard, for switching systems having a granularity of better then 64 Kbps (e.g. 8 Kbps). These methods and apparatus are capable of performing rate adaptation for multiple synchronized sub- rate channels in accordance with a predefined multiplexing protocol. The protocol calls for "time interleaved" multiplexed rate adaptation to be performed, i.e., multiple sub-rate channel data is packaged into fragment size envelopes (or integer multiples thereof). The width of a fragment is also matched (ideally equal) to the granularity of the system's switch. As a result of using the time interleaved multiplexed rate adaptation scheme, the rate adaptation process, the channel carrying capacity of the system at large, and the use of the system's switching and bandwidth capacity are all improved.

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