diff options
Diffstat (limited to 'doc/manuals/vty/bts_vty_additions.xml')
| -rw-r--r-- | doc/manuals/vty/bts_vty_additions.xml | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/doc/manuals/vty/bts_vty_additions.xml b/doc/manuals/vty/bts_vty_additions.xml index 519c4b48..2d22b41d 100644 --- a/doc/manuals/vty/bts_vty_additions.xml +++ b/doc/manuals/vty/bts_vty_additions.xml @@ -1 +1,26 @@ -<vtydoc xmlns='urn:osmocom:xml:libosmocore:vty:doc:1.0'/> +<!-- ex:ts=2:sw=2:et --> +<vtydoc xmlns='urn:osmocom:xml:libosmocore:vty:doc:1.0'> + <node id='phy-inst'> + <!-- FIXME: This command appears twice for some reason. --> + <command id='osmotrx maxdly <0-63>'> + <description> + Access Burst is the first burst a mobile transmits in order to establish a connection and it + is used to estimate Timing Advance (TA) which is then applied to Normal Bursts to compensate + for signal delay due to distance. So changing this setting effectively changes maximum range + of the cell, because Access Bursts with a delay higher than this value will be ignored. + </description> + </command> + <!-- FIXME: This command appears unconditionally, despite being hidden. --> + <command id='osmotrx maxdlynb <0-63>'> + <description> + USE FOR TESTING ONLY, DO NOT CHANGE IN PRODUCTION USE! + During the normal operation, delay of Normal Bursts is controlled by the Timing Advance loop + and thus Normal Bursts arrive to a BTS with no more than a couple GSM symbols, which is + already taken into account in osmo-trx. Changing this setting will have no effect in + production installations except increasing osmo-trx CPU load. This setting is only useful + when testing with a transmitter which cannot precisely synchronize to the BTS downlink + signal, like R&S CMD57. + </description> + </command> + </node> +</vtydoc> |