Change in osmo-bts[master]: osmo-trx: fix maxdly

[laforge]

laforge has submitted this change. ( https://gerrit.osmocom.org/c/osmo-bts/+/25619 )

Change subject: osmo-trx: fix maxdly
......................................................................

osmo-trx: fix maxdly

- one gsm symbol is 0,00000369 seconds
- 2*550m/c = 0,00000366 seconds
-> one ta symbol is a DISTANCE of 550m (or a RTT of 550m*2) between bts and ue.
-> no idea why this was constrained to TA/2.

Change-Id: I8d79080c82411e6427eec37d008614fa5d5e1ace
Related: OS#5140
---
M src/osmo-bts-trx/trx_vty.c
1 file changed, 2 insertions(+), 2 deletions(-)

Approvals:
  laforge: Looks good to me, approved
  Jenkins Builder: Verified



diff --git a/src/osmo-bts-trx/trx_vty.c b/src/osmo-bts-trx/trx_vty.c
index bb9d158..a24adf7 100644
--- a/src/osmo-bts-trx/trx_vty.c
+++ b/src/osmo-bts-trx/trx_vty.c
@@ -266,7 +266,7 @@
 }
 
 DEFUN_ATTR(cfg_phyinst_maxdly, cfg_phyinst_maxdly_cmd,
-	   "osmotrx maxdly <0-31>",
+	   "osmotrx maxdly <0-63>",
 	   OSMOTRX_STR
 	   "Set the maximum acceptable delay of an Access Burst (in GSM symbols)."
 	   " Access Burst is the first burst a mobile transmits in order to establish"
@@ -275,7 +275,7 @@
 	   " distance. So changing this setting effectively changes maximum range of"
 	   " the cell, because if we receive an Access Burst with a delay higher than"
 	   " this value, it will be ignored and connection is dropped.\n"
-	   "GSM symbols (approx. 1.1km per symbol)\n",
+	   "GSM symbols (550m distance between UE and BTS per symbol)\n",
 	   CMD_ATTR_IMMEDIATE)
 {
 	struct phy_instance *pinst = vty->index;

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Gerrit-Project: osmo-bts
Gerrit-Branch: master
Gerrit-Change-Id: I8d79080c82411e6427eec37d008614fa5d5e1ace
Gerrit-Change-Number: 25619
Gerrit-PatchSet: 5
Gerrit-Owner: Hoernchen <ewild at sysmocom.de>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: dexter <pmaier at sysmocom.de>
Gerrit-Reviewer: fixeria <vyanitskiy at sysmocom.de>
Gerrit-Reviewer: laforge <laforge at osmocom.org>
Gerrit-Reviewer: pespin <pespin at sysmocom.de>
Gerrit-MessageType: merged
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