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osmo-bts-trx: amr_loop: do not miss C/I samples 

Keep collecting C/I samples even if the MS has not yet applied
previously requested codec mode.  The C/I ratio is expected to
stay more or less the same, no matter which codec mode is used.

Change-Id: Ieb5473ead7200f652b5d0e339e4e252d6567482d
Related: SYS#5917, OS#4984
This commit is contained in:
Vadim Yanitskiy 2022-04-20 15:26:11 +03:00
parent b1d5b8639c
commit 8b83a4a70f
1 changed files with 4 additions and 4 deletions
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8
src/osmo-bts-trx/amr_loop.c
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@ -44,10 +44,6 @@ void trx_loop_amr_input(struct l1sched_chan_state *chan_state,
if (!chan_state->amr_loop)
return;
/* wait for MS to use the requested codec */
if (mi != chan_state->dl_cmr)
return;
/* count per-block C/I samples for further averaging */
if (lchan->type == GSM_LCHAN_TCH_H) {
chan_state->lqual_cb_num += 2;
@ -57,6 +53,10 @@ void trx_loop_amr_input(struct l1sched_chan_state *chan_state,
chan_state->lqual_cb_sum += lqual_cb;
}
/* wait for MS to use the requested codec */
if (mi != chan_state->dl_cmr)
return;
/* count frames */
if (chan_state->lqual_cb_num < 48)
return;