Cellular Network Infrastructure

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h1. Accelerate3g5 -- Unicorn Team

Journal

2017/03/15 -- Received the package of nano3G.

!C7aK_6IVAAALB5Z.jpg!

2017/04/10

h2. Building from source

* PC：Ubuntu16.04

* HardWare：ip.access nano3G

* SoftWare：Osmocom 

!C7aK_5_U0AAN1Co.jpg!

h3.  1.1 Install cross-compilation environment

<pre>

sudo apt-get update

sudo apt-get install libtool shtool autoconf git-core pkg-config make gcc build-essential libgmp3-dev libmpfr-dev libx11-6 libx11-dev texinfo flex bison libncurses5 libncurses5-dbg libusb-0.1-4 libpcsclite1 libccid pcscd libncurses5-dev libncursesw5 libncursesw5-dbg libncursesw5-dev zlibc zlib1g-dev libmpfr4 libmpc-dev libpcsclite-dev 

sudo ldconfig

mkdir osm

cd osm

mkdir build install src

wget http://bb.osmocom.org/trac/raw-attachment/wiki/GnuArmToolchain/gnu-arm-build.3.sh

cd src

wget http://ftp.gnu.org/gnu/gcc/gcc-4.8.2/gcc-4.8.2.tar.bz2

wget http://ftp.gnu.org/gnu/binutils/binutils-2.21.1a.tar.bz2

wget ftp://sources.redhat.com/pub/newlib/newlib-1.19.0.tar.gz

cd ..

chmod +x gnu-arm-build.3.sh

sudo bash gnu-arm-build.3.sh

</pre>

h3.  1.2 Add Cross compiler environment

<pre>

cd install/bin

pwd

vi ~/./.bashrc

export PATH=$PATH:/home/$username(change this to your name)/osm/install/bin

#save and quit

cd ../../

source ~/.bashrc

</pre> 

h3. 0x02 build CalypsoBTS 

h3.  2.1 Build libosmo-dsp

<pre>

git clone https://gitea.osmocom.org/sdr/libosmo-dsp

cd libosmo-dsp/

autoreconf -i

./configure

make

sudo make install

cd ..

</pre>

h3.  2.2 Build osmocom-bb

<pre>

git clone https://gitea.osmocom.org/phone-side/osmocom-bb trx

cd trx/

git checkout jolly/testing

cd src/

# It needs TX support

# Just uncomment 'CFLAGS += -DCONFIG_TX_ENABLE' in target/firmware/Makefile

# And make with transceiver support

make HOST_layer23_CONFARGS=--enable-transceiver

</pre>

h3.  2.3 Install dependency package

<pre>

sudo apt-get install sqlite3 libdbi-dev libdbd-sqlite3 libsctp-dev

</pre>

h3.  2.4 Build Ortp

<pre>

wget http://download.savannah.gnu.org/releases/linphone/ortp/sources/ortp-0.22.0.tar.gz

tar -xvf ortp-0.22.0.tar.gz

cd ortp-0.22.0/

./configure

make

sudo make install

sudo ldconfig

cd ..

</pre>

h3.  2.5 Build libosmo-abis

<pre>

git clone https://gitea.osmocom.org/osmocom/libosmo-abis

cd libosmo-abis

autoreconf -i

./configure

make

sudo make install

sudo ldconfig

cd ..

</pre>

h3.  2.6 Build libosmo-netif

<pre>

git clone https://gitea.osmocom.org/osmocom/libosmo-netif

cd libosmo-netif/

autoreconf -i

./configure

make

sudo make install

sudo ldconfig

cd ..

</pre>

h3.  2.7 Build openbsc

install PCAP library frist

<pre>

apt-cache search PCAP

sudo pat-get install libpcap-dev libpcap0.8 libpcap0.8-dbg libpcap0.8-dev

sudo ldconfig

git clone https://gitea.osmocom.org/cellular-infrastructure/openbsc

cd openbsc/openbsc/

autoreconf -i

./configure

make

sudo make install

cd ../..

</pre>

h3.  2.8 Build osmo-bts

<pre>

git clone https://gitea.osmocom.org/cellular-infrastructure/osmo-bts

cd osmo-bts

autoreconf -i

./configure --enable-trx

make

sudo make install

cd ..

</pre> 

h3.  2.9 Create configuration folder for OpenBSC

<pre>

# Create the configuration folder if it isn't exist yet

mkdir ~/.osmocom

cd ~/.osmocom

touch ~/.osmocom/open-bsc.cfg

touch ~/.osmocom/osmo-bts.cfg

</pre>

h3.  0x03 Build Cellular Infrastructure

h3. 3.1 Clone 

<pre>

git clone https://git.osmocom.org/osmocom/libosmocore

git clone https://git.osmocom.org/osmocom/libosmo-abis

git clone https://git.osmocom.org/osmocom/openbsc

git clone https://git.osmocom.org/osmocom/libosmo-netif

git clone https://git.osmocom.org/osmocom/libosmo-sccp

git clone https://git.osmocom.org/cellular-infrastructure/libsmpp34

git clone https://git.osmocom.org/cellular-infrastructure/openggsn

</pre>

h3.  3.2 Download and run build script

<pre>

wget https://osmocom.org/attachments/download/2438/build_2G.sh

chmod 777  build_2G.sh

sudo bash build_2G.sh

</pre>

h3. Run BTS

Terminal 1：

<pre>

osmo-nitb -c ~/.osmocom/open-bsc.cfg -l ~/.osmocom/hlr.sqlite3 -P -C --debug=DRLL:DCC:DMM:DRR:DRSL:DNM

</pre> 

Terminal 2：

<pre>

telnet localhost 4242

</pre>

!2017-04.png!

<pre>

OpenBSC> show version

OpenBSC 0.15.0.726-ca27 (OpenBSC).

Copyright (C) 2008-2016 Harald Welte, Holger Freyther

Contributions by Daniel Willmann, Jan Lübbe, Stefan Schmidt

Dieter Spaar, Andreas Eversberg, Sylvain Munaut, Neels Hofmeyr

License AGPLv3+: GNU AGPL version 3 or later <http://gnu.org/licenses/agpl-3.0.html>

This is free software: you are free to change and redistribute it.

There is NO WARRANTY, to the extent permitted by law.

</pre>

2017/04/11

h2. Configuring the ip.access nano3G

!network.jpg!

h3. PC

IP：192.168.31.147 (With WiFi)

h3. Route

IP:192.168.31.1

h3. 3G Access Point

IP:unkonw

<pre>

cd openbsc/openbsc/src/ipaccess

#or

cd openbsc/openbsc/build-2G/src/ipaccess

sudo ./abisip-find 

</pre>

!ipfind.png!

<pre>

telnet 3G Access Point's IP 8090

</pre>

!telnet.png!

<pre>

ssh -oKexAlgorithms=+diffie-hellman-group1-sha1 root@192.168.31.136

password:newsys

</pre>

!Snip20170411_2.png!

<pre>

init3@0xroot:~/osm/openbsc/openbsc/src/ipaccess$ ./ipaccess-config --help

ipaccess-config (C) 2009-2010 by Harald Welte and others

This is FREE SOFTWARE with ABSOLUTELY NO WARRANTY

Usage: ipaccess-config IP_OF_BTS

Commands for writing to the BTS:

  -u --unit-id UNIT_ID      Set the Unit ID of the BTS

  -o --oml-ip IP        Set primary OML IP (IP of your BSC)

  -i --ip-address IP/MASK   Set static IP address + netmask of BTS

  -g --ip-gateway IP        Set static IP gateway of BTS

  -r --restart          Restart the BTS (after other operations)

  -n --nvram-flags FLAGS/MASK   Set NVRAM attributes

  -S --nvattr-set FLAG  Set one additional NVRAM attribute

  -U --nvattr-unset FLAG    Set one additional NVRAM attribute

  -l --listen TESTNR        Perform specified test number

  -L --Listen TEST_NAME     Perform specified test

  -s --stream-id ID     Set the IPA Stream Identifier for OML

  -d --software FIRMWARE    Download firmware into BTS

Miscellaneous commands:

  -h --help         this text

  -H --HELP         Print parameter details.

  -f --firmware FIRMWARE    Provide firmware information

  -w --write-firmware       This will dump the firmware parts to the filesystem. Use with -f.

  -p --loop         Loop the tests executed with the --listen command.

</pre>

<pre>

init3@0xroot:~/osm/openbsc/openbsc/src/ipaccess$ ./ipaccess-proxy --help

Usage: ipaccess-proxy [options]

 ipaccess-proxy is a proxy BTS.

 -h --help. This help text.

 -l --listen IP. The ip to listen to.

 -b --bsc IP. The BSC IP address.

 -g --gprs IP. Take GPRS NS from that IP.

 -s --disable-color. Disable the color inside the logging message.

 -e --log-level number. Set the global loglevel.

 -T --timestamp. Prefix every log message with a timestamp.

 -V --version. Print the version of OpenBSC.

</pre>

h2. Femto Config

2017/06/06:

phone call work fine. 

SMS work fine.

Internet Date not work -.-!

2017/06/20:

Internet Date work fine :)

!20170606270232.png!

h2. Clone and Build from script 

<pre>

wget https://osmocom.org/attachments/download/2726/3G-config-example.tar

tar zxvf 3G-config-example.tar

cd 3G-config-example/build

./clone_and_build_osmocom_3g.sh

sudo apt-get install rxvt-unicode

</pre>

add subscribers with auth keys in the HLR database:

https://osmocom.org/projects/cellular-infrastructure/wiki/Getting_Started_with_3G

https://osmocom.org/projects/cellular-infrastructure/wiki/Configuring_the_ipaccess_nano3G

!IMG_3088.PNG!

h2. Demo

2017/07/06:

!20170606241837.png!

[[https://youtu.be/PFH_-vID3AA]]