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Add vty function to explicitly set use of 4xRACH type of ack message for
PACKET CONTROL ACKNOWLEDGMENT. Previous hardcoded value (use RLC/MAC
control block) is used as a default.
This is handy for debugging issues related to Timing Advance in context
of GPRS.
Change-Id: Ie869ac0a82055110f1e3b875e246750c4e113336
Related: OS#1526
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System Information 13 field EGPRS PACKET CHANNEL REQUEST is
modified to support 11 bit RACH. Further VTY configuration is added
to enable/disable 11 bit RACH support in EGPRS. By default 11 bit
RACH support is disabled.
Change-Id: I51357bec936c28a26ab9ff5d59e0e30ca3363297
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In GSM R99 SI6 has mandatory SI6 rest octets and so far we did
not include them. Add minimal support to generate the right band
indicator.
Target a slightly older version of the SI6 rest octets as we neither
support MBMS nor Random bit stream but should include the band
indicator.
Change-Id: I417a40eb91f42a3416b4e07bb9fb4d7a01aaa36b
Fixes: OS#1698
Related: OS#1725
Reviewed-on: https://gerrit.osmocom.org/71
Tested-by: Jenkins Builder
Reviewed-by: Max <msuraev@sysmocom.de>
Reviewed-by: Holger Freyther <holger@freyther.de>
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* add data structures, generation functions
* vty interface for neightbor UARFCNs specific to SI2quater
* vty test
* unit test
Fixes: OS#1666
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* support for sending arbitrary static SI2quater.
* vty interface for neightbor EARFCNs specific to SI2quater.
* dynamic generation of SI2quater messages.
* unit test for SI2quater messages.
Fixes: OS#1630
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Advertise SI2 quater presence and location (if available) using SI3
according to 3GPP TS 44.018 ยง 10.5.2.34
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Pass the number of bytes the rest octet for si4 should
fill.
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Inside the SI1 rest_octets we will need to indicate if the ARFCN
is band 1800 or 1900. If the BTS is either 850 or 1900 we assume
we are running a PCS network, otherwise it is a DCS network.
The band indicator is not documented in GSM 04.08 but it is in the
GSM 05.14 version 6.1.0 Release 1997.
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These are not needed any more. We used them for u_int
types but we now use uint which comes from stdint.h
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This was done with sed on the files.
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Extension Information is part of the GPRS Cell Options IE, as
specified in Chapter 12.24 of TS 04.60. It is needed for
indicating EDGE capabilities of the BTS to the MS.
This simply adds the code to encode this IE as part of SI13,
but does not actually use the code yet.
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Before this commit, OpenBSC used templates for the SYSTEM INFO
1, 2, 3, 4, 5 and 6 messages. Those templates were patched in
various places to reflect the network config like ARFCN.
Now, we actually generate those SI messages ourselves, using
values from the configuration file, and even calculating neighbor
cell lists.
All bts'es that you have configured in OpenBSC will end up in
the neighbor cell list - which should be more than sufficient for
the current small-single-site networks.
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