mobopts-9----Page:3
1 2 3 4 5 6
|
QOS-based handovers building blocks Application QOS requirements Measurements characterizing the network performance conditions: Consider instantaneous network conditions end-to-end Derive abstraction of link specific parameters A QOS-based Decision Engine (QDE): Considers application QOS requirements and network performance measurements Performs appropriate actions when triggers are received Signalling and information exchange Exchange information between various network entities and the QDE, including technology and protocol types, network measurements Set and relay link triggers For example the Media Independent Handover (MIH) function (IEEE 802.21) at layer 2.5 |