Slajd PPT

AAL 4 S.A.R. Process.

Trailer

Type

SAR-PDU

48 Bytes.

SAR

Header

SAR Payload: 44Bytes

Bits

2 4 10

6 10

Bits

CRC

SAR User

Info Length

Multiplex

I.D.

Seq.

Num

2 Byte Header.

2 Byte Header.

SAR

AAL 4 is used for Connectionless Application. Multiple

users send data over a single Channel. Message ID

(MID) is used to differentiate between traffic.

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