CS Fallback in the Evolved Packet System (EPS) enables the provisioning of CS-domain services (e.g. voice call, Location Services (LCS) or supplementary services) by reuse of CS infrastructure when...
The present document defines the principal architecture of layer 3 and its sublayers on the GSM Um interface, i.e. the interface between Mobile Station (MS) and network; for the CM sublayer, the...
The present document defines the architecture of Layer 3 and its sublayers on the GeoMobile (GMR-1) Air Interface. Most of the procedures defined for Layer 3 are similar to those defined in 3GPP...
