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

4-June-07 P1901_PRO_016_r0
- PAP Code Type – 1 bit. Packet ACK Protocol Codification Type. It is set to 0 when Run-Length Encoding
is used and set to 1 when GroupEncoding is used.
• Crypto AES– 1 bit. Shall be set to 1 when the burst is encrypted.
- ACK Info – 1 bit. Shall be set to 1 when the burst header contains Packet ACK Protocol information (see
5.4).
- PAP Info – 55 bits. The meaning of these bits depends on PAP Code Type. See section 5.4
- PAP Port – 7 bits. Local Port over which the ACK contained in the Burst Header takes effect.
- PAP Init – 1 bit. The first packet that requires ACK (Req ACK field in the Interpacket Header) in the burst
has the lowest packet id stored in transmission buffer. The receiver cannot request retransmissions of
previous packets ids.
- PAP Reset – 1 bit. Reset the reception buffer.
- PAP Last Received Packet – 12 bits. Last received packet information used by Packet ACK Protocol. See
section 5.4
- Service class – 8 bits. Indicates the service classes belonging to the packets contained in the burst. If bit X is
equal to 1, there is at least one packet in this burst with service class X.
Submission page 149 UPA-OPERA