Table 1 Bandwidth request mechanisms implicit and explicit
From: Discretionary bandwidth granting scheme for homogenous real-time applications
Scheduling type | Piggyback request | Bandwidth stealing | Contention region | Polling |
|---|---|---|---|---|
UGS | No | No | No | PM bit is used to request a unicast poll. |
rtPS | Yes | Yes | No | Unicast polling |
nrtPS | Yes | Yes | Yes | No restriction unless prohibited by scheduler. |
BE | Yes | Yes | Yes | No restriction. |