Medium Access Control (MAC) and Physical Layer (PHY) - CISE

4-June-07 P1901_PRO_016_r0
Port_4
Port_3
Node A Node B
A burst header sent from node A could have:
Node C
Submission page 151 UPA-OPERA
Port_1
Port_2
Figure 55: Example of PAP destination
- A PAP Port equal to port_3 to send PAP information about data previously received from node B in a data burst
whose Burst Header contained in the Transmission Port field the value port_1.
- Transmission Port equal to port_4 to send data to node C.
For further details about ports, see section 9.1.4.
5.2.2 Burst header without data
The Burst Header without data is used when information about Packet ACK Protocol should be sent in the
following situations:
- There is no data to be sent.