From e10b4d37134b176259741b603eb339ff8a7aff30 Mon Sep 17 00:00:00 2001 From: Daniel Willmann Date: Mon, 8 Aug 2016 17:03:39 +0200 Subject: Add section about configuring power-ramping --- doc/manuals/chapters/configuration.adoc | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) (limited to 'doc/manuals/chapters') diff --git a/doc/manuals/chapters/configuration.adoc b/doc/manuals/chapters/configuration.adoc index a2d06249..43621663 100644 --- a/doc/manuals/chapters/configuration.adoc +++ b/doc/manuals/chapters/configuration.adoc @@ -152,3 +152,30 @@ From the moment they are enabled via VTY, GSMTAP messages will be generated and sent in UDP encapsulation to the IANA-registered UDP port for GSMTAP (4729) at the IP address specified in the command line argument. + +==== Configuring power ramping + +OsmoBTS can ramp up the power of its trx over time. This helps reduce +cell congestion in busy environments. + +In this example, the trx starts with 5dBm output power which increases by 1dB +every two seconds until it reaches nominal power. +Power ramping can use the power-ramp commands at the CONFIG TRX node of the +OsmoBTS VTY. + +.Example: Configure power ramping on trx 0 +---- +OsmoBTS> enable +OsmoBTS# configure terminal +OsmoBTS(config)# bts +OsmoBTS(bts)# trx 0 +OsmoBTS(trx)# power-ramp max-initial 5 dBm +OsmoBTS(trx)# power-ramp step-size 1 dB +OsmoBTS(trx)# power-ramp step-interval 2 +OsmoBTS(trx)# write <1> +---- +<1> the `write` command will make the configuration persistent in the +configuration file. + +De-activating power-ramping can be performed by setting the max-initial value +to the nominal power. The default max-initial value is 23 dBm. -- cgit v1.2.3