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Change-Id: I962b42871693f33b1054d43d195817e9cd84bb64
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When parsing SI4, there's a check and a log message saying that CBCH
MA is ignored until SI1 is received. Then the MA is decoded anyway --
incorrectly -- such that it remains incorrect even after receiving
the next SI1.
Fix that with an "else".
Signed-off-by: Alex Badea <vamposdecampos@gmail.com>
Signed-off-by: Andreas Eversberg <jolly@eversberg.eu>
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libosmocore has changed its LAI decoding from hex to decimal. This caused
wrong decoding of MCC and MNC. In order to provide required hex
transcoding, special hex encoding and decoding function are added to
mobile/sysinfo.c.
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This is importaint on certan cells to finish BCCH scanning. If SI2ter
indication is falsely detected, BCCH reading will timeout, because no
expected SI2ter is received.
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This patch introduces cell re-relection. When camping on a cell, it
scanns neighbour cells. If a 'better' cell is found, the cell is selected.
If the cell is in a different location area, a location upating is
performed under certain conditions.
The 'better' cell depends on various informations that are broadcasted on
the BCCH of a neihbour cell and of course the RX level. Most operators
don't set these informations, so the 'better' cell depend on a better
RX level for the same location area, or a much better RX level (6 dBm)
at a different location area.
There were many issues at the idle mode process that has been fixed.
Expecially when moving, the state machines got stuck, so no more cell search
was possible, or no further calls / location updating was possible.
In order to see the process of cell selection, enter the VTY interface and
enable the network monitor:
enable
monitor network 1 (where '1' is the instance of the MS)
In order to see the current state of the processes, enter:
show ms
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This makes it possible to use GSM 850 and PCS 1900 bands, as used in the
US. The support relies on the phone hardware.
Each band (900, DCS, 850, PCS, 480 and 450) can be enabled and
disabled individually for each setting.
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This patch changes include paths to get osmocom-bb working with
the current libosmocore tree.
Among all these renames, you can notice several tweaks that I
added on purpose, and that require some explanation, they are:
* hexdump() in osmocon.c and osmoload.c has been renamed to avoid
clashing with hexdump() defined in libosmocore.
* gsmmap now depends on libosmogsm. Actually I had to cleanup
Makefile.am because I was experiencing weird linking problems,
probably due to a bug in the autotools. With the change included
in this patch, I got it compiled and linked here correctly.
This patch has been tested with the phone Motorola C123 and the
following images files:
* firmware/board/compal_e88/hello_world.compalram.bin
* firmware/board/compal_e88/layer1.compalram.bin
Using the osmocon, bcch_scan and mobile tools.
Signed-off-by: Pablo Neira Ayuso <pablo@gnumonks.org>
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When calling gsm48_decode_mobile_alloc(), read the length
byte from payload data[], rather than from si->data[].
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This makes sense, since multiple applications use it.
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