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-rw-r--r--python/trx/radio_if.py3
1 files changed, 3 insertions, 0 deletions
diff --git a/python/trx/radio_if.py b/python/trx/radio_if.py
index 407e724..2aeb49a 100644
--- a/python/trx/radio_if.py
+++ b/python/trx/radio_if.py
@@ -75,6 +75,9 @@ class radio_if(gr.top_block):
GSM_TS_PERIOD_uS = GSM_SYM_PERIOD_uS * 156.25
GSM_UL_DL_SHIFT_uS = -(GSM_TS_PERIOD_uS * 3)
+ # TODO: explain where do these values come from?
+ SAMPLE_RATE = 4.0 * 1625000.0 / 6.0
+
# FIXME: shall be measured (automatically?) for
# particular device and particular clock rate.
# The current value is measured for USRP B2X0 at 26e6.