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Possible Transcoder Locations

Possible Transcoder Locations. Placing the Transcoder in the BSC/RNC. Advantage: Allows for Dim-and-Burst The process of multiplexing primary traffic with signaling traffic Allows for a faster Congestion Control mechanism

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Possible Transcoder Locations

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  1. Possible Transcoder Locations

  2. Placing the Transcoder in the BSC/RNC • Advantage: • Allows for Dim-and-Burst • The process of multiplexing primary traffic with signaling traffic • Allows for a faster Congestion Control mechanism • The process of trading off small voice quality losses for a potentially large system capacity gains • Disadvantage: • Less efficient bearer stream between the cdma2000 Access Network and the Media Gateway

  3. Placing the Transcoder in the Media Gateway • Advantage: • Transcoding is done closer to the PSTN. Similar to legacy networks • In a Tandem-Free call (i.e., mobile-to-mobile) Dim-and-Burst is not used • Similarity with 3GPP transcoder location • Disadvantage: • Will require DCCH (~3.4 kbps) for Forward Link • Dim-and-Burst can still be used for Reverse Link

  4. Recommendation Based on our analysis, we believe that Media Gateway is a better choice for the Transcoder location in an ALL IP Network.

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