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srs_andre gerrit-no-reply at lists.osmocom.orgsrs_andre has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-gsm-tester/+/20664 ) Change subject: rfemu_gnuradio_zmq: fix amplitude conversion ...................................................................... rfemu_gnuradio_zmq: fix amplitude conversion fix dB to amplitude conversion and adjust max attenuation value Change-Id: I5a94d5d31e7dc85ab37bd281f95374ad825a41ff --- M src/osmo_gsm_tester/obj/rfemu_gnuradio_zmq.py 1 file changed, 4 insertions(+), 3 deletions(-) git pull ssh://gerrit.osmocom.org:29418/osmo-gsm-tester refs/changes/64/20664/1 diff --git a/src/osmo_gsm_tester/obj/rfemu_gnuradio_zmq.py b/src/osmo_gsm_tester/obj/rfemu_gnuradio_zmq.py index c5398a9..3725760 100644 --- a/src/osmo_gsm_tester/obj/rfemu_gnuradio_zmq.py +++ b/src/osmo_gsm_tester/obj/rfemu_gnuradio_zmq.py @@ -188,11 +188,12 @@ def set_attenuation(self, db): for cell in self.enb.gen_conf['enb']['cell_list']: if int(cell['cell_id']) == self.cell_id: - max_att_db = self.get_max_attenuation() - self.broker.cmd_set_relative_gain_on_local_port(cell['zmq_enb_peer_port'], (max_att_db - db)/max_att_db) + # convert negative dB to amplitude + amp = pow(10, -db/20.0) + self.broker.cmd_set_relative_gain_on_local_port(cell['zmq_enb_peer_port'], amp) break def get_max_attenuation(self): - return 12 # maximum cell_gain value in srs. Is this correct value? + return 200 # vim: expandtab tabstop=4 shiftwidth=4 -- To view, visit https://gerrit.osmocom.org/c/osmo-gsm-tester/+/20664 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-gsm-tester Gerrit-Branch: master Gerrit-Change-Id: I5a94d5d31e7dc85ab37bd281f95374ad825a41ff Gerrit-Change-Number: 20664 Gerrit-PatchSet: 1 Gerrit-Owner: srs_andre <andre at softwareradiosystems.com> Gerrit-MessageType: newchange -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20201015/3ee7a26d/attachment.htm>