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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 />

Legend<br />

Slave state (slave side)<br />

Transition event<br />

Slave actions associated to the state<br />

4.3 FRAME FORMATS<br />

No response to/ No reception of<br />

Alive Polling tokens for<br />

MAX_ALIVE_TOKENS*MAX_ALIVE_POLL_INTERVAL<br />

Unregistered<br />

Registered<br />

Figure 28 Slave states – Slave side<br />

The slave shall only reply to<br />

access frames as required by<br />

the access protocol<br />

<strong>Access</strong> protocol<br />

process completed<br />

The slave shall never reply to access<br />

frames from its master. It might answer access<br />

frames from another master if it wishes to change<br />

of master.<br />

A frame corresponds to an MPDU passed by the <strong>MAC</strong> layer to the <strong>PHY</strong> layer. There are two types of MPDUs:<br />

regular MPDUs <strong>and</strong> Channel Estimation MPDUs.<br />

Regular MPDUs can encapsulate bursts provided by the LLC layer.<br />

Channel Estimation MPDUs are directly triggered by the <strong>MAC</strong> layer; they carry a specific signal sequence<br />

generated by the <strong>PHY</strong> layer: Channel Estimation MPDUs do not encapsulate any burst provided by the LLC<br />

layer.<br />

Regular MPDU:<br />

Submission page 92 UPA-OPERA

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