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

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

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4-June-07 P1901_PRO_016_r0<br />

ACCESS_TOKEN_SENT<br />

SLAVE ACCEPTED<br />

ACCEPT_PACKET_SENT<br />

ACCESS_TOKEN_SENT<br />

ACCESS_TOKEN_SENT<br />

SLAVE ACCEPTED<br />

ACCEPT_PACKET_SENT<br />

Case 06: Master accepts Slave 1. Slave 2 lost contention<br />

ACCESS_TOKEN_SENT<br />

SLAVE ACCEPTED<br />

ACCEPT_PACKET_SENT<br />

Case 07: Slave decides not to log in a Master<br />

MASTER SLAVE<br />

ACCESS_TOKEN_RECEIVED<br />

REPLY_ACCESS_TOKEN<br />

TIMEOUT<br />

ACCESS PROTOCOL RESTART<br />

ACCESS_TOKEN_RECEIVED<br />

REPLY_ACCESS_TOKEN<br />

MASTER_REGISTRATION<br />

ACCESS PROTOCOL<br />

COMPLETED<br />

Figure 80 <strong>Access</strong> protocol: Master acceptation packet is lost<br />

MASTER SLAVE 1<br />

MASTER_REGISTRATION<br />

ACCESS PROTOCOL<br />

COMPLETED<br />

Figure 81 <strong>Access</strong> protocol: two slaves contend<br />

SLAVE 2<br />

ACCESS_TOKEN_RECEIVED<br />

REPLY_ACCESS_TOKEN<br />

ACCESS PROTOCOL RESTART<br />

Submission page 201 UPA-OPERA

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