TCP - IP White Papers
A Simulation Study of TCP Performance Over UMTS Downlink
Overview Data transfer on the UMTS downlink can be done either through Dedicated Channels (DCH) or shared channel (FACH). The data transfers on the DCHs can receive very high throughputs. However, a setup time of the order of 250ms is required before data transfer can begin on the DCH. For very short transfers it may be better to use the shared channel. However for long data sessions it might be better to allocate a dedicated channel. This paper proposes a threshold policy to determine which sessions should use the dedicated channels. Initially, it uses the FACH for a given connection.
| Publisher | France Telecom | File Format | |
|---|---|---|---|
| Date Published | January 2007 | ||
| Format | White Papers | ||
| Topics | |||
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