From 956203ad8df7b68af83ae94f7793a028c74113ee Mon Sep 17 00:00:00 2001 From: Harald Welte Date: Tue, 25 Nov 2008 11:11:49 +0530 Subject: Initial import of gsmsp-0.2a --- gsmsp/INSTALL | 59 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 gsmsp/INSTALL (limited to 'gsmsp/INSTALL') diff --git a/gsmsp/INSTALL b/gsmsp/INSTALL new file mode 100644 index 0000000..be7aca4 --- /dev/null +++ b/gsmsp/INSTALL @@ -0,0 +1,59 @@ + + +A gnu radio implementation to receive and decode GSM packets. + +Install +======= + +./configure +make +# The release comes with a example capture file. Test if it works: +./run.sh + +Analyzing GSM data +================== + +The release does not support live captures (yet). + + 1. Search for a base station in your area. See "BTS searching by Robert" + or use the Nokia Field Tester (NetMonitor) to find the channel number + of you operator and calculate the frequency from it. + + 2. From the gnu-radio installation use usr_rx_cfile.py to capture data: + Example of capturing 10seconds of gsm data on 940.8Mhz: + + # samples=`expr 64000000 / 118 '*' 10` + # ./usrp_rx_cfile.py -d 118 -f 940.8M -N $samples 940.8Mhz_118.cfile + + 3. Make the file available to gsmsp: + # cd ~/gsmsp + # ln -sf /wherever/the/cfile/is/940.8Mhz_118.cfile signal.data + # ./run.sh + +Requirements +============ + + * gnu radio (tested with 3.0.2 and 3.0.3) + * python (tested with 2.4.4) + * python-numeric (tested with 23.7) + +Supported Platforms +=================== + + * gentoo linux + * cygwin + +Limitations +=========== + + * receiving only + * only BTS -> MS traffic. + * no channel hopping + +Your sincerly, + +THE GSM SCANNER PROJECT +http://wiki.thc.org/gsm + + + -- cgit v1.2.3