View Full Version : Question RAACH error
Tameem
2010-08-18, 07:57 PM
what is raach error and what are its reasons.is ti due to congestion
blackantt
2010-08-18, 08:35 PM
1.maybe it's a device error
2.maybe it's a command sequence bug
Tameem
2010-08-18, 11:19 PM
1.maybe it's a device error
2.maybe it's a command sequence bug
thats not the reason in my case
Blacktiger
2010-08-19, 03:14 AM
RACH ERROR IS DUE TO RACH COLLISIONS AS;
The RACH channel is used to transmit the "CHANNEL REQUEST" message.
The channel is called "random" since the mobile chooses the call TS randomly.
This means that there is a risk of collision.
Collisions are resolved by retransmission after pseudo-random delays.
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