1

076

1

Type

2

0 to 2¹⁶-1

2

Length

Total size in bytes, variable.

3

0 to 2³²-1

4

Source ID

The unique identifier of the transmitting station, as described in § 2.4, Annex 1.

4(1)

0

1

Session ID

Session ID.

5

0 to 232-1

4

Destination ID

The unique identifier of the current node receiving this message, as described in § 2.4, Annex 1.

Set to 0 for broadcast.

6

0-255

1

Number of fragments

Total number of fragments in this session.

Should be a value from 1 to 14.

7

0-255

1

Fragment number in this message

Fragment number of the payload in this message. First fragment should start at 0, increment with any additional fragment and wrap at 255.

8

0-255

1

Continue data session

0 – Ends data session.

1 – Continues data session with new session ID.

9

Variable

Payload

Note: The resource allocation broadcast by the base station repeatedly broadcasts during the TDMA Frame length.

Should always be transmitted on the data channel (derived from the Logical Channel) as assigned by a resource allocation.

Will always be transmitted on last fragment signalling the end of Logical Channel use, unless only one fragment will be transmitted. When only one fragment will be transmitted, then only a Start Fragment will be transmitted.

(1)   Session ID is reserved for future use.