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Re-initialize MAC
Re-initialize MAC
NOTE – Timeout T3 may occur because the RNG-REQs from multiple modems collided. To avoid these modems repeating
the loop in lockstep, a random backoff is required. This is a backoff over the ranging window specified in the UCD.
Figura B.7-6/J.116 − − − − Alineación de distancia inicial – Módem BWA CPE
Wait for broadcast
maintenance
opportunity
Timeout T2
Error
Timeout T3
Retries
Y
exhausted
N
Error
Adjust
local power
Random
backoff
(Note)
Wait for
broadcast ranging
opportunity
Map with
maintenance
opportunity
Send
RNG-REQ
Wait for
RNG-RSP
?
RNG-RSP
Adjust local
parameters per
RNG-RSP
Wait for unicast
maintenance
opportunity
T0905180-97
UIT-T J.116 (05/2000)
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