Table 4 Transport and physical channels. Each of the transport channels is mapped to a corresponding physical channel of the same name.
From: Design and Implementation of a Single-Frequency Mesh Network Using OpenAirInterface
CH Broadcast Channel | CH-BCH | Broadcast control channel which houses MAC-layer signaling for CH and MR physical resource scheduling as well as layer 2 radio-resource control (RRC) signaling for topology and QoS management. |
|---|---|---|
CH Scheduled Access Channel | CH-SACH | Data channel (for both control and user-plane logical channels) used by CH to communicate with a node in its cluster. |
MR Broadcast Channel | MR-BCH | Broadcast resource used by MR to extend the coverage of a cluster during topological discovery. |
MR Scheduled Access Channel | MR-SACH | Data channel (for both control and user-plane logical channels) used by MR to communicate with a CH. |
Random Access Channel | RACH | Signaling channel used by a MR during the association phase with the CH. |