williamp/osmocom-analog
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

work on docs

Browse Source
This commit is contained in:
Andreas Eversberg
2016-12-06 17:45:48 +01:00
parent 27c6e3d860
commit eed826387a
5 changed files with 79 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
docs/b-netz.html
View File

@@ -26,7 +26,7 @@ History
B-Netz was the second mobile telephone network in Germany.
It was the successor of the A-Netz.
It existed between 1972 and 1994.
Using digital technology and later microprocessors, the phone were still as big as a suitcase.
Using digital technology and later microprocessors, the phones were still as big as a suitcase.
It used full duplex radio link.
The call was placed by automatic dialing in both direction, so no requirement for an operator.
After full deployment in 1986, there were 158 base stations.
@@ -293,9 +293,9 @@ If a pattern 1..9 is selected, the mobile station selects only the base stations
<p>
There is a special idle pattern that is used for reduced TX power.
This is used in areas with many base station that are close together.
This was used in areas with many subscribers.
The idle signal 19 is used.
The mobile station will reduce TX power when selecting this base station for outgoing call.
The mobile station will reduce TX power when selecting a close base station for outgoing call.
</p>
<br>
@@ -330,7 +330,7 @@ If no dialing is received from mobile station within 3.8 seconds, the base stati
<p>
When the mobile station receives the dial request signal, it seamlessly transmits a dial string.
The string consist of a start signal ("Funkwahl"), 5 digits ("Wahlziffern") of mobile identity, dialed digits (without 0 at the beginning) and the stop signal ("Funkwahlende"):
The string consist of a start signal ("Funkwahl"), 5 digits of mobile identity ("Wahlziffern"), dialed digits (without 0 at the beginning) and the stop signal ("Funkwahlende"):
</p>
<p>
@@ -399,7 +399,7 @@ The calling party dials the prefix of the city where the base station is located
</p>
<p>
The transceiver of the base station switches to channel 19 and sends a paging sequence that consists of 5 digits ("Wahlziffern") mobile identity and the channel assignment digit ("Kanalbefehl"):
The transceiver of the base station switches to channel 19 and sends a paging sequence that consists of 5 digits of mobile identity ("Wahlziffern") and the channel assignment digit ("Kanalbefehl"):
</p>
<p>