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Extend the measured SCH timing offset from the downlink to the uplink
path. In order to absorb the frame timing adjustment and remove the
potential of thread contention during the change, combine the lower
FIFO threads into single drive loop.
Force timing changes through to the UHD interface with stream flags
triggered through the updateAlignment() call.
Signed-off-by: Thomas Tsou <tom@tsou.cc>
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When in MS acquisition mode, attempt to decode SCH and establish the BTS
frame timing. Lock the transceiver GSM clock to the BTS by adjusting the
clock value by the measured burst-SCH offset.
Add tracking state, TRX_MODE_MS_TRACKING, which continues to detect and
decode the SCH with timing tracking, but only on SCH poitions within the
51 multiframe.
Signed-off-by: Thomas Tsou <tom@tsou.cc>
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Remove radio clock and vector interfaces into their own
files. This clears up and simplifies the radio interface
and, additionaly, prepares for a further split of the I/O
portion for optional resampler use.
Signed-off-by: Thomas Tsou <ttsou@vt.edu>
git-svn-id: http://wush.net/svn/range/software/public/openbts/trunk@2669 19bc5d8c-e614-43d4-8b26-e1612bc8e597
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