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suitable for ticket:245
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@8466 221aa14e-8319-0410-a670-987f0aec2ac5
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flowgraph reconfiguration bug reported by Tim O'Shea and Mark Schneider.
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@8271 221aa14e-8319-0410-a670-987f0aec2ac5
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Radio interface to the Cell Broadband Engine.
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@8244 221aa14e-8319-0410-a670-987f0aec2ac5
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and decoder corresponding to the R=1/2, K=7 CCSDS standard ("Voyager").
This code is a GNU Radio wrapper around a 1995-era KA9Q portable-C
implementation, and is designed for continuous streaming data, not packets.
The encoder takes MSB packed bytes and outputs channel symbols 0 or 1.
The decoder uses soft-decision Viterbi decoding on a floating point stream of
(possibly noise corrupted) [1.0, 1.0] symbols, and outputs MSB packed
decoded bytes.
Benchmarking on a 2.16 GHz Intel Core 2 Duo shows 4.7 Mbps decoding rate at
100% CPU usage (single core). (There is a newer KA9Q library that implements
SIMD speed ups with correspondingly faster performance.)
The KA9Q library is placed into src/lib/viterbi. It could use some cleanup,
file/function renaming, and refactoring, or even replacement with the newer
libfec code that is available.
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@8206 221aa14e-8319-0410-a670-987f0aec2ac5
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decimates. Trunk passes distcheck.
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@8190 221aa14e-8319-0410-a670-987f0aec2ac5
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output.
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git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@8163 221aa14e-8319-0410-a670-987f0aec2ac5
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to improve OFDM system operation. Not much more we can do with this than add channel coding and cleaning up.
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@8144 221aa14e-8319-0410-a670-987f0aec2ac5
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present, only NetBSD-current is known to do this.) Improve the
comment explaining the situation.
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@8034 221aa14e-8319-0410-a670-987f0aec2ac5
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reverts changeset 7899 and fixes some distcheck problems. We're now
back to the old behavior, where you must "make" before "make distcheck".
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@7931 221aa14e-8319-0410-a670-987f0aec2ac5
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Merged eb/pmake r7909:7911 into trunk
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@7912 221aa14e-8319-0410-a670-987f0aec2ac5
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'make distcheck' without running 'make' first.
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@7899 221aa14e-8319-0410-a670-987f0aec2ac5
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issues in transmitting OFDM over the air with 1 preamble symbol. Still some smaller issues left.
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@7848 221aa14e-8319-0410-a670-987f0aec2ac5
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d_sizeof_output_item!=d_sizeof_input_item
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1) Modified top-level run_tests.sh script:
a) to execute code for setting or changing the library search path in
Darwin (DYLD_LIBRARY_PATH) or Windows (PATH) on those host OSs
only, not on other host OSs.
b) Added local (to the component making check) library paths to those
same search paths, since libtool doesn't do it (unlike in Linux).
2) In all AM Makefiles -except those dealing with USRP firmware-,
changes INCLUDES to AM_CPPFLAGS since the former is deprecated.
3) Changed AM_CPPFLAGS to FW_INCLUDES for commands .c.rel in USRP
firmware.
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@7769 221aa14e-8319-0410-a670-987f0aec2ac5
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gr.xor_* blocks.
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@7735 221aa14e-8319-0410-a670-987f0aec2ac5
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Adds Martin Braun's gr.wavfile_source and gr.wavfile_sink blocks.
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GNU Radio modules individually, using already installed dependent libraries and include files. New functionality is enabled using --with-* on configure command line; existing build options should remain unchanged. Nice work by Michael Dickens, still needs documentation update on wiki.
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@7617 221aa14e-8319-0410-a670-987f0aec2ac5
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over-the-air OFDM. Works with all modulations and tested both send and receive on different computers/USRPs. Misses a few packets, so it's not perfect.
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@7587 221aa14e-8319-0410-a670-987f0aec2ac5
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messages.
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patches from Diane Bruce for FreeBSD. Still need to resolve the
issue of where/how to include config.h in all swig code and
how to select wx version on systems with more than one version installed.
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receiver; adds branching and branchless versions of clipping and slicing routines to gr_math.
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@7389 221aa14e-8319-0410-a670-987f0aec2ac5
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hier_block2 in blks2impl and removed from blksimpl. The new code
implements a decision feedback sync loop to lock the phase/freq, removes two unnecessary premables and performs frame sync and equalization off
single preamble symbol. Also adds/updates Python plotting tools and a branchless clip algorithm in gr_math.h.
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needs to be intrinsic for speed
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@6840 221aa14e-8319-0410-a670-987f0aec2ac5
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