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152 Commits

Author SHA1 Message Date
Javier Arribas
6e076e8143 Fixing bugs in extended correlator for GPS L1 2016-03-11 18:32:56 +01:00
Javier Arribas
9bf4710679 Added a new volk_gnsssdr kernel that integrates both the phase rotator 
and n dot_product kernels. Enabled in cpu_multicorrelator_16sc
 2016-02-09 11:49:18 +01:00
Carles Fernandez
b270d1ca61 remove old code and unrequired includes 2016-01-27 21:09:23 +01:00
Carles Fernandez
5d207ffcbc integrate new volk_gnsssdr kernel (16ic rotator) 
Kernel still under development, will use generic impl by now
 2016-01-27 20:16:51 +01:00
Carles Fernandez
7e52e3cf5b fixes parallel building when volk_gnsssdr_module is already installed 2016-01-19 19:43:09 +01:00
Carles Fernandez
d30a24a48c Fixing parallel building 2016-01-19 19:34:23 +01:00
Javier Arribas
5a716840ab tracking dll pll cAid can work now with gr_complex and cshort just 
setting the data imput type in config file. All the internal receiver
signal chain can work in complex short for the first time. Speed
improvement using custom gnss-sdr volk kernels for cshort data input
types.
 2016-01-19 18:37:30 +01:00
Carles Fernandez
ae2b594c3b Moving two kernels to volk_gnsssdr. Still no testing 2016-01-13 19:38:07 +01:00
Carles Fernandez
ece7bc2c65 Integrating a new volk kernel 2016-01-13 11:42:01 +01:00
Carles Fernandez
eb1dbfe37b introducing new kernels 2016-01-12 22:48:59 +01:00
Javier Arribas
c2676ec491 Added missing includes (to be removed in future versions). Steps towards 
the integration of new standalone kernels into volk_gnsssdr library.
 2016-01-12 18:58:00 +01:00
Javier Arribas
5ba12c6fdb Added 16 bits short int complex ultra-fast resampler, 
carrier wipe-off and correlator kernels (250% faster than
gr_complex) enabled in tracking GPS_L1_CA_DLL_PLL_C_Aid_Tracking_16sc
tracking
 2016-01-11 16:49:37 +01:00
Carles Fernandez
d0ac06d71d Cleaning includes 2016-01-04 22:56:52 +01:00
Carles Fernandez
972c86c1ea cleaning the use of includes 2016-01-04 18:06:54 +01:00
Javier Arribas
48c5227c9b bug fix for Mac OSX compiler 2015-12-23 11:31:16 +01:00
Javier Arribas
9acc7e7a20 Replaced fix point NCO by VOLK phase rotator in CPU multicorrelator 
(around 5% faster).
This optimization is enabled at this time only in
Tracking_DLL_PLL_C_Aid. Sample config can be found in
gnss-sdr_Hybrid_byte_sim.conf
 2015-12-21 11:59:15 +01:00
Javier Arribas
847716428e Updated GPU tracking implementation. Bug fixed in cuda correlator and 
performance improvements
 2015-12-11 13:53:43 +01:00
Javier Arribas
9bcea5b9cb Merge branch 'next-gnss-sdr' into new_next 
Conflicts:
	src/algorithms/tracking/gnuradio_blocks/gps_l1_ca_dll_pll_tracking_gpu_cc.cc
 2015-12-10 13:07:33 +01:00
Carles Fernandez
7b0285ba60 initializing members (defects detected by coverity scan) 2015-12-02 23:44:07 +01:00
Javier Arribas
424e7abe68 Migrating cuda tracking internal DLL/PLL vars from float to double 2015-12-02 19:00:29 +01:00
Carles Fernandez
4e5abdf4f2 fixing parallel building if glog and gflags were built locally 2015-11-30 19:11:49 +01:00
Carles Fernandez
3c21a1853d fixing building if glog and gflags were built locally 2015-11-30 19:02:56 +01:00
Carles Fernandez
23ce240483 Merge branch 'carrier_phase_bug_fix' of 
git+ssh://github.com/gnss-sdr/gnss-sdr into odrisci-contrib

# Conflicts:
#	conf/gnss-sdr_Hybrid_byte_sim.conf
#	src/algorithms/observables/gnuradio_blocks/gps_l1_ca_observables_cc.cc
#	src/algorithms/telemetry_decoder/gnuradio_blocks/gps_l1_ca_telemetry_decoder_cc.cc
#	src/algorithms/tracking/gnuradio_blocks/galileo_e1_dll_pll_veml_tracking_cc.cc
#	src/algorithms/tracking/gnuradio_blocks/galileo_e5a_dll_pll_tracking_cc.cc
#	src/algorithms/tracking/gnuradio_blocks/galileo_volk_e1_dll_pll_veml_tracking_cc.cc
#	src/algorithms/tracking/gnuradio_blocks/gps_l1_ca_dll_pll_c_aid_tracking_cc.cc
#	src/algorithms/tracking/gnuradio_blocks/gps_l1_ca_dll_pll_optim_tracking_cc.cc
#	src/algorithms/tracking/gnuradio_blocks/gps_l1_ca_dll_pll_tracking_cc.cc
#	src/algorithms/tracking/gnuradio_blocks/gps_l1_ca_dll_pll_tracking_gpu_cc.cc
#	src/algorithms/tracking/gnuradio_blocks/gps_l2_m_dll_pll_tracking_cc.cc
#	src/algorithms/tracking/libs/cpu_multicorrelator.cc
#	src/algorithms/tracking/libs/cpu_multicorrelator.h
#	src/algorithms/tracking/libs/cuda_multicorrelator.h
#	src/algorithms/tracking/libs/tracking_discriminators.cc
#	src/core/receiver/gnss_block_factory.cc
#	src/core/system_parameters/GPS_L1_CA.h
 2015-11-30 13:59:31 +01:00
Javier Arribas
8c22e5846d Carrier phase observable bug fix for GPS L1 CA trackings, new GPS L1 carrier aided tracking using nex multitap correlator library, and some CUDA multitap correlator performance improvements 2015-11-30 11:43:37 +01:00
Carles Fernandez
74d42250d8 Merge branch 'contrib' of https://github.com/odrisci/gnss-sdr into 
odrisci-contrib

# Conflicts:
#	src/algorithms/tracking/gnuradio_blocks/gps_l1_ca_dll_pll_tracking_cc.cc
#	src/algorithms/tracking/libs/tracking_discriminators.cc
 2015-11-30 10:18:09 +01:00
Carles Fernandez
e6cf773a2b removing tabs and tailing whitespaces 2015-11-27 17:37:21 +01:00
Carles Fernandez
df6996f3b1 reverting wrong change 2015-11-27 14:06:30 +01:00
Carles Fernandez
2a6381c6fa Merging branch 'next' of git://github.com/Arribas/gnss-sdr 2015-11-27 13:32:21 +01:00
Javier Arribas
c8f7e08127 Updated all GPS and Galileo trackings for double floating point internal 
computations and bug fixes in the carrier phase accumulator.
(all, except Matlab-Simulink linked trackings)
 2015-11-26 18:44:04 +01:00
Cillian O'Driscoll
26b18c19ee Added a generic tracking_loop_filter class 
This implements a generic loop filter. Based on the analog PLL filters
from Kaplan and Hegarty, with a bilinear (Tustin's) transform from
s-plane to z-plane ( 1/s -> T/2 ( 1 + z^-1 )/( 1 - z^-1 ) )

Also added tests. Note the "truth" outputs
were derived from an Octave implementation of the loop filter and
Octave's builtin filter function
 2015-11-26 15:12:26 +00:00
Cillian O'Driscoll
b95219dbc6 Added two Carrier_rotate correlator utilities 
1) Carrier_rotate_and_EPL_volk

This is a very efficient VOLK based carrier wipeoff and
Early/Prompt/Late correlation. The carrier wipe off is done using the
VOLK rotator functions, which means there is no need to generate a local
replica sinusoid.

2) Carrier_rotate_and_VEPL_Volk

This adds Very Early/Early/Prompt/Late/Very Late correlation with the
VOLK rotator implementation of carrier wipe-off
 2015-11-26 15:11:59 +00:00
Cillian O'Driscoll
e6d5fe35ea Added check for zero denominator in dll discrim. 2015-11-26 15:11:59 +00:00
Carles Fernandez
0e8663a1fc Merge branch 'next' of git+ssh://github.com/carlesfernandez/gnss-sdr 
into next

# Conflicts:
#	src/core/system_parameters/rtcm.cc
#	src/core/system_parameters/rtcm.h
#	src/tests/formats/rtcm_test.cc
 2015-11-24 00:44:19 +01:00
Javier Arribas
6b340696ed Code cleaning and new cpu multicorrelator library 2015-11-17 19:14:55 +01:00
Javier Arribas
27588fa83b Artemisa tracking is almost working. Code cleaning, refactoring and renaming is in progress! 2015-11-16 19:23:25 +01:00
Javier
c2e254debc New DLL PLL Artemisa tracking block skeleton. Not usable yet! 2015-11-15 22:26:42 +01:00
Javier Arribas
2039e998ff Pinned memory (Zero copy) huge improvement for GPU tracking. 2015-10-15 19:09:09 +02:00
Javier Arribas
a4655e2b03 Merged with github next 2015-10-08 14:37:51 +02:00
Carles Fernandez
a84b4baef0 Removing cudahelpers library and usage by a copyright issue. It does not 
affect functionality.
 2015-09-10 17:46:38 +02:00
Javier Arribas
6aef3478cf Removed CheckCudaErrors function and the cuda helpers dependencies in 
CUDA accelerators
 2015-09-10 15:15:01 +02:00
Carles Fernandez
0821216970 Moving cudahelpers headers so other blocks can use it more easily. 2015-08-25 20:49:37 +02:00
Carles Fernandez
ef136e5c74 Some CUDA cleaning and documentation 2015-08-25 19:01:02 +02:00
Carles Fernandez
429e4e8776 Fixing compilation when CUDA is not present 2015-08-25 17:07:36 +02:00
Javier Arribas
af99f340a4 Merge branch 'next' of https://github.com/Arribas/gnss-sdr.git into next 
Conflicts:
	src/algorithms/tracking/libs/cuda_multicorrelator.cu
 2015-08-06 17:13:03 +02:00
Javier Arribas
1aa84cd1c4 Updated CUDA kernels and several GPU tracking optimizations. 
Bug fix in GPS_L1_CA_DLL_PLL binary dump
 2015-08-06 17:05:15 +02:00
Javier
fb2b12403a Multi-GPU device suport (splits the tracking channels between all the 
availables GPUs (CUDA only!))
 2015-07-24 18:07:33 +02:00
Javier Arribas
26cf90cdd4 First working version of the GPU GPS tracking block (it requires NVIDIA 
CUDA
3.0 GPU hardware)
 2015-07-24 17:21:25 +02:00
Javier Arribas
f722f5f8f7 Added GPU tracking block for GPS L1 CA. Not activable yet... 2015-07-23 18:07:52 +02:00
Javier Arribas
4fc61af172 Adding cuda ultra-fast correlator library. Not used yet, but optionally 
compiled. All CMAKEs ready!
 2015-07-22 18:16:54 +02:00
Carles Fernandez
9d2e22ea21 removing unused code, code cleaning 2015-05-29 19:10:28 +02:00
Carles Fernandez
79192a0bbd fixing coverity issues 2015-05-13 23:50:21 +02:00
Carles Fernandez
a174c490d9 Update copyright year 2015-01-12 21:12:08 +01:00
Carles Fernandez
6620e7d43c Updating copyright year 2015-01-08 19:49:59 +01:00
Carles Fernandez
67434d212c Fixing interface if SSE3 is found 2014-10-01 01:35:48 +02:00
Anthony Arnold
7ded93f93e Fixing preprocessor directive. 2014-09-24 08:23:32 +10:00
Anthony Arnold
77b635e8c0 Merge with next 2014-09-18 02:10:56 +10:00
Anthony Arnold
4c2b0fbc45 Testing for ARM and SSE to compile for armhf 2014-09-18 00:50:44 +10:00
Carles Fernandez
bb62dae014 Changing C-styled cast by C++ static_cast<>() 2014-09-12 13:34:43 +02:00
Carles Fernandez
fd6a8e3cff Better VOLK usage. Memory alignment, calling dispatchers instead of 
aligned/unaligned versions. Code cleaning.
 2014-09-10 00:23:18 +02:00
Carles Fernandez
1183c73b09 Merge branch 'next' of ssh://carlesfernandez@git.code.sf.net/p/gnss-sdr/cttc into next 2014-09-07 19:51:36 +02:00
Carles Fernandez
322550e0c6 Adding an option to build the binary without detecting the SIMD 
instruction set present in the compiling machine, so it can be executed
in other machines without those specific sets.
 2014-09-07 19:35:41 +02:00
Javier Arribas
072d0cad67 Important bug found and fixed: 
Volk memory alignement for signal vectors was using a hardcoded 16 bytes
value. This parameter is machine-dependant and thus, in modern machines
caused memory exceptions if the parameter not match.

All posix_memalign functions are now replaced by the GNU Radio
volk_malloc(vector_size (bytes), volk_get_alignement());

volk_get_alignement() returns the number of bytes to align the memory
blocks in the current processor.

The memory bug showed up when the receiver is configured with higher
sample rates (>4 Msps!)
 2014-09-07 19:11:37 +02:00
Carles Fernandez
dfd9be34a9 Merge branch 'galileo_e5a' of https://github.com/marc-sales/gnss-sdr 
into next

Conflicts:
	src/core/receiver/gnss_block_factory.cc
	src/core/receiver/gnss_flowgraph.cc
 2014-09-05 18:51:08 +02:00
marc-sales
3b3c809dab Unified acquisition 2014-08-05 02:01:37 +02:00
Carles Fernandez
8531a758ea Includes header files at add_libraries(...), which makes IDEs such as 
Xcode to display them
 2014-06-28 03:55:57 +02:00
Carles Fernandez
05accfb1d7 Tidying up includes: : C library, C++ library, other libraries' .h, project's .h. 
git-svn-id: https://svn.code.sf.net/p/gnss-sdr/code/trunk@476 64b25241-fba3-4117-9849-534c7e92360d
 2014-01-12 20:07:38 +00:00
Javier Arribas
a487ee7cbc Fixed some bugs in the volk correlators that caused core dump situations. 
git-svn-id: https://svn.code.sf.net/p/gnss-sdr/code/trunk@382 64b25241-fba3-4117-9849-534c7e92360d
 2013-07-08 12:57:16 +00:00
Javier Arribas
58b280afb6 Switch to GNU Radio 3.7.x API 
git-svn-id: https://svn.code.sf.net/p/gnss-sdr/code/trunk@368 64b25241-fba3-4117-9849-534c7e92360d
 2013-07-04 13:47:40 +00:00
Javier Arribas
12003ffa94 GNSS-SDR now uses CMAKE as the only build system. Goodbye BJAM! 
git-svn-id: https://svn.code.sf.net/p/gnss-sdr/code/trunk@347 64b25241-fba3-4117-9849-534c7e92360d
 2013-03-15 18:03:01 +00:00
Carles Fernandez
ae1cb212de improving documentation 
git-svn-id: https://svn.code.sf.net/p/gnss-sdr/code/trunk@335 64b25241-fba3-4117-9849-534c7e92360d
 2013-01-28 23:50:09 +00:00
Carles Fernandez
00a8007dc3 Adding Mac OS X support. Tested in Mountain Lion. 
git-svn-id: https://svn.code.sf.net/p/gnss-sdr/code/trunk@333 64b25241-fba3-4117-9849-534c7e92360d
 2013-01-27 20:50:38 +00:00
Carles Fernandez
c6e974ab21 Starting CMake support. In the root directory of gnss-sdr, type: 
$ mkdir build && cd build && cmake ../ && make && make install

git-svn-id: https://svn.code.sf.net/p/gnss-sdr/code/trunk@290 64b25241-fba3-4117-9849-534c7e92360d
 2012-12-24 02:33:50 +00:00
Carles Fernandez
4adeef7aec Minor code cleaning 
git-svn-id: https://svn.code.sf.net/p/gnss-sdr/code/trunk@287 64b25241-fba3-4117-9849-534c7e92360d
 2012-12-14 22:28:25 +00:00
Javier Arribas
080305cee8 New ultra-fast All-In-One Carrier wipe-off and Early-Prompt-Late correlator using Intel AVX SSE3 intrinsics. 
Try it using the GPS_L1_CA_DLL_PLL_Optim_Tracking implementatioin for tracking operation!




git-svn-id: https://svn.code.sf.net/p/gnss-sdr/code/trunk@283 64b25241-fba3-4117-9849-534c7e92360d
 2012-11-25 19:37:31 +00:00
Javier Arribas
54df5928ab GPS DLL PLL Tracking code rearrange to match the Galileo DLL PLL algorithm and code cleaning. 
git-svn-id: https://svn.code.sf.net/p/gnss-sdr/code/trunk@280 64b25241-fba3-4117-9849-534c7e92360d
 2012-11-18 18:20:34 +00:00
Javier Arribas
d85f65ed4c Galileo E1b/c tracking improvement and code cleaning 
git-svn-id: https://svn.code.sf.net/p/gnss-sdr/code/trunk@255 64b25241-fba3-4117-9849-534c7e92360d
 2012-10-24 08:02:51 +00:00
Carles Fernandez
1aea9db69f Changed the "CN_estimators" library name by the more informative "lock_detectors". The CN0 estimators for GPS L1 C/A and Galileo E1 have been unified 
git-svn-id: https://svn.code.sf.net/p/gnss-sdr/code/trunk@254 64b25241-fba3-4117-9849-534c7e92360d
 2012-10-21 09:54:37 +00:00
Javier Arribas
3628453c52 - Bug in carrier lock detector algorithm corrected 
- Code cleaning and DLL/PLL variable renaming in galileo_e1_dll_pll_veml tracking

git-svn-id: https://svn.code.sf.net/p/gnss-sdr/code/trunk@253 64b25241-fba3-4117-9849-534c7e92360d
 2012-10-20 16:11:31 +00:00
David Pubill
c241b7b1d6 - Added TCP connector for Galileo E1 simulink tracking 
- Added simulink-based Galileo_E1_DLL_PLL_VEML_Tracking

git-svn-id: https://svn.code.sf.net/p/gnss-sdr/code/trunk@250 64b25241-fba3-4117-9849-534c7e92360d
 2012-10-19 13:38:25 +00:00
Javier Arribas
a25e712be6 Bug correction for acquisition and tracking: acquisition Doppler sign were inverted and this issue caused several wrong interpretations in tracking algorithms, resulting in a swap in I/Q components. Now the bug was corrected in all tracking algorithms. 
git-svn-id: https://svn.code.sf.net/p/gnss-sdr/code/trunk@249 64b25241-fba3-4117-9849-534c7e92360d
 2012-10-18 10:24:41 +00:00
Luis Esteve
f0a0f94007 Added documentation to the code 
git-svn-id: https://svn.code.sf.net/p/gnss-sdr/code/trunk@245 64b25241-fba3-4117-9849-534c7e92360d
 2012-09-12 15:03:38 +00:00
Luis Esteve
45d7220dae First version of Galileo E1 DLL PLL Very Early Minus Late Tracking. Added some functions in Matlab to analyze the results. 
git-svn-id: https://svn.code.sf.net/p/gnss-sdr/code/trunk@234 64b25241-fba3-4117-9849-534c7e92360d
 2012-08-28 13:38:33 +00:00
Javier Arribas
fb82c2246d Correlator class now takes profit of the GNU Radio memory alignment, used by Volk SIMD functions 
git-svn-id: https://svn.code.sf.net/p/gnss-sdr/code/trunk@218 64b25241-fba3-4117-9849-534c7e92360d
 2012-07-31 12:35:07 +00:00
David Pubill
aab40c963d Simulink tracking block updated: generation of the Simulink model from a script MATLAB and improvement of the tracking algorithm (both PLL and DLL). Added multi-threading support for MATLAB. 
git-svn-id: https://svn.code.sf.net/p/gnss-sdr/code/trunk@208 64b25241-fba3-4117-9849-534c7e92360d
 2012-07-03 12:52:12 +00:00
Carles Fernandez
3533a08330 Fixed bug that prevented the code to compile in Mac OS. Documentation added 
git-svn-id: https://svn.code.sf.net/p/gnss-sdr/code/trunk@189 64b25241-fba3-4117-9849-534c7e92360d
 2012-03-24 02:53:00 +00:00
David Pubill
984b782660 Added a new tracking algorithm that uses TCP sockets to move the work of a processing block to a remote machine executing MATLAB Simulink. 
git-svn-id: https://svn.code.sf.net/p/gnss-sdr/code/trunk@185 64b25241-fba3-4117-9849-534c7e92360d
 2012-03-16 10:55:58 +00:00
Javier Arribas
5f51f513a3 Correlator class librery now uses volk_profile information to select the best architecture for the SIMD enabled functions. 
git-svn-id: https://svn.code.sf.net/p/gnss-sdr/code/trunk@184 64b25241-fba3-4117-9849-534c7e92360d
 2012-03-09 15:31:32 +00:00
Javier Arribas
0a62725445 - Improved speed for samples inconsistency check in tracking modules, and 
- Added a total elapsed run time counter in main: now it is possible to compare the post-processing time with the signal duration. The elapsed time is reported in STD::COUT when GNSS-SDR finish the main thread.

git-svn-id: https://svn.code.sf.net/p/gnss-sdr/code/trunk@156 64b25241-fba3-4117-9849-534c7e92360d
 2012-02-08 19:50:16 +00:00
Carles Fernandez
a8f6695f58 compilation warning cleaned 
git-svn-id: https://svn.code.sf.net/p/gnss-sdr/code/trunk@152 64b25241-fba3-4117-9849-534c7e92360d
 2012-01-31 00:31:07 +00:00
Carles Fernandez
c186828669 Code cleaning and documentation 
git-svn-id: https://svn.code.sf.net/p/gnss-sdr/code/trunk@151 64b25241-fba3-4117-9849-534c7e92360d
 2012-01-31 00:03:08 +00:00
Javier Arribas
9f3fbeb52d Code cleaning and few optimizations in tracking modules. 
git-svn-id: https://svn.code.sf.net/p/gnss-sdr/code/trunk@148 64b25241-fba3-4117-9849-534c7e92360d
 2012-01-29 18:03:56 +00:00
Carles Fernandez
3b5189075b Cleaning tests 
git-svn-id: https://svn.code.sf.net/p/gnss-sdr/code/trunk@143 64b25241-fba3-4117-9849-534c7e92360d
 2012-01-25 03:16:08 +00:00
Carles Fernandez
0d598a7188 Added implementation of plain cordic class in tracking/libs. Added a corresponding test. The implementation is slower than standard sin and cos implementations, so it is not used in the receiver. The test will fail otherwise, indicating that this should be used instead of standard functions. 
git-svn-id: https://svn.code.sf.net/p/gnss-sdr/code/trunk@142 64b25241-fba3-4117-9849-534c7e92360d
 2012-01-25 01:57:28 +00:00
Carles Fernandez
3bff16b5d1 Code cleaning. 
Test infrastructure reactivated. Now a run_tests executable is created and runs some tests.

git-svn-id: https://svn.code.sf.net/p/gnss-sdr/code/trunk@138 64b25241-fba3-4117-9849-534c7e92360d
 2012-01-23 00:52:05 +00:00
Carles Fernandez
80af09f91f Acquisition, Tracking and TelemetryDecoder blocks now use Gnss_Satellite class and have access to know what parameters have to use. Algorithms are not system-related anymore. 
Some code cleaning and and enhancements in the output screen messages.

git-svn-id: https://svn.code.sf.net/p/gnss-sdr/code/trunk@135 64b25241-fba3-4117-9849-534c7e92360d
 2012-01-20 23:28:11 +00:00
Javier Arribas
b72802a51f Added experimental SIMD-accelerated correlator for tracking, using GNURadio volk libraries. 
git-svn-id: https://svn.code.sf.net/p/gnss-sdr/code/trunk@134 64b25241-fba3-4117-9849-534c7e92360d
 2012-01-20 16:37:16 +00:00
Carles Fernandez
32690a7d59 Tracking Classes are now upper case. 
git-svn-id: https://svn.code.sf.net/p/gnss-sdr/code/trunk@125 64b25241-fba3-4117-9849-534c7e92360d
 2012-01-13 00:49:24 +00:00
Carles Fernandez
bc62d8d5be Some code cleaning 
git-svn-id: https://svn.code.sf.net/p/gnss-sdr/code/trunk@120 64b25241-fba3-4117-9849-534c7e92360d
 2012-01-11 09:01:24 +00:00
Carles Fernandez
2ce62706af Adding documentation and improving code formatting. 
git-svn-id: https://svn.code.sf.net/p/gnss-sdr/code/trunk@103 64b25241-fba3-4117-9849-534c7e92360d
 2011-12-28 21:36:45 +00:00
Carles Fernandez
48719c3075 Improving documentation 
git-svn-id: https://svn.code.sf.net/p/gnss-sdr/code/trunk@102 64b25241-fba3-4117-9849-534c7e92360d
 2011-12-28 03:05:37 +00:00