30 Jan
2014
30 Jan
'14
8:31 a.m.
Tom Tsou wrote:
Yes, that is expected behavior. There will be power
output as long as
the slot is enabled. Right now the only way to turn off transmission
is to disable the slot. -TT
hi thomas,
in case of TRX 0, osmo-bts always sends bursts, even on idle bursts. it
sends dummy bursts in this case. i suggest that there is no RF power in
case of TRX>0 for each single burst, that is not sent from osmo-bts. the
reasons are:
- one TCH/H channel of one TS may be in use, so the other channel should
be disabled, to reduce noise on the spectrum.
- DRX (in the future) might be used to reduce noise on the spectrum.
- SACCH is disabled when leaving dedicated mode, so the MS runs into
radio link timeout, if the release message does not go through or some
error occurs.
i think about three solutions to make make osmo-trx send no RF power per
burst:
1. omso-bts does not send any burst to osmo-trx
2. sends a dummy burst with lowest possible power indication (pwr=255)
3. sends a burst with zero length data (only the 6 bytes header)
i prefer the first solution.
best regards,
andreas