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Section 6.3.9.3
of 802.16-2004 (D5) states that: “The SS shall
determine from the channel description parameters whether it may use the uplink
channel. If the channel is not suitable, then the SS shall continue scanning to
find another downlink channel. If the channel is suitable, the SS shall extract
the parameters for this uplink from the UCD. It then shall wait for the next DL-MAP message and extract the time
synchronization from this message. The SS then shall wait for a bandwidth
allocation map for the selected channel. It may begin transmitting uplink in
accordance with the MAC operation and the bandwidth allocation mechanism.” Why is the SS required to wait for a next DL-MAP? What time
synchronization information it should extract from the message? Can the SS wait
for DLFP instead? Eyal |