Table 1 Notations.
| Flow |
|---|---|
| Instantaneous data rate of flow |
| Requested average data rate of flow |
| Spreading factor of the code assigned to flow |
| OVSF code at level |
| Weight of code |
| Class-based rate degradation ratio of flow |
| Window Rate Degradation of flow |
| Number of time slots over which CRD is computed |
| Number of time slots for which flow |
| Window sizes of the conversational, streaming, interactive, and background traffic classes, respectively, for flow |
CRDth | CRD threshold for ensuring fairness in rate allocation to NRT flows |
| The SF needed by flow |
| The SF needed by flow |
or call 
at time 
at time 
with index 
based on its 
-hop affinity-mate of rate 
at the end of time slot 
for window 
can tolerate its data rate to be lower than average data rate; 
time slots contain one or more windows
to meet at least the average data rate under normal channel conditions
to meet the average data rate under poor channel conditions