Waiting for task. KüldésFogadás  Send Receive. Getting data to send from higher layer......

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Presentation transcript:

Waiting for task. KüldésFogadás  Send Receive

Getting data to send from higher layer......

Forming the frame......

Number of trials is zero. (N = 0).....

Is the channel busy? IgenNem..... YesNo

Waiting the gap time. 

Starting transmission. During collision detection. Ütközés történtSikeres átvitel..... Collision occursNo collision

Indicating successful transmission to higher layer......

Waiting for task. KüldésFogadás Send Receive 

Sending jam signal......

Number of trials increased. (N = N + 1).....

Is number of trials 16? (N = 16 ?) IgenNem YesNo

Indicationg the unsuccessful transmitting to higher layer......

Waiting for task. KüldésFogadás Send Receive 

N < 10 ? IgenNem YesNo

Delay time: Random between 0 – (2 N -1) unit......

Waiting the delay time. 

Is the channel busy? IgenNem..... NoYes

Delay time: Random betweem 0 – ( ) unit......

Waiting the delay time. 

Is the channel busy? IgenNem..... NoYes

Synchronization. Waiting for the start of frame......

Is the frame length and CRC OK? IgenNem NoYes

Is the destination address equal to mine or is it broadcast? IgenNem YesNo

Discard the frame!.....

Waiting for task. KüldésFogadás Send Receive 

Give the data field of frame to higher layer!.....

Waiting for task. KüldésFogadás Receive Send 