freetel-svn-tracking.git
7 years agoAttempt at correcting alias errors in rate K resampling, sig improvement for hst1a
drowe67 [Tue, 6 Jun 2017 04:04:11 +0000 (04:04 +0000)]
Attempt at correcting alias errors in rate K resampling, sig improvement for hst1a

git-svn-id: https://svn.code.sf.net/p/freetel/code@3157 01035d8c-6547-0410-b346-abe4f91aad63

7 years agofixed sensitivity to log(0) errors when importing via --amread
drowe67 [Tue, 6 Jun 2017 03:51:39 +0000 (03:51 +0000)]
fixed sensitivity to log(0) errors when importing via --amread

git-svn-id: https://svn.code.sf.net/p/freetel/code@3156 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoadded mel resampling option to c2sim
drowe67 [Mon, 5 Jun 2017 03:15:51 +0000 (03:15 +0000)]
added mel resampling option to c2sim

git-svn-id: https://svn.code.sf.net/p/freetel/code@3155 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoc2sim working with phase0 at 16k, sounds quite reasonable, but room for improvement
drowe67 [Sun, 4 Jun 2017 07:53:28 +0000 (07:53 +0000)]
c2sim working with phase0 at 16k, sounds quite reasonable, but room for improvement

git-svn-id: https://svn.code.sf.net/p/freetel/code@3154 01035d8c-6547-0410-b346-abe4f91aad63

7 years agooriginal phases working with 8000 Hz and 16000 Hz, sounds OK. Can see better ways...
drowe67 [Sun, 4 Jun 2017 07:18:43 +0000 (07:18 +0000)]
original phases working with 8000 Hz and 16000 Hz, sounds OK.  Can see better ways to handle this in nlp.c, plenty of work for a future clean up

git-svn-id: https://svn.code.sf.net/p/freetel/code@3153 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoAdd in the initial OFDM Header files
okcsampson [Sat, 3 Jun 2017 23:31:08 +0000 (23:31 +0000)]
Add in the initial OFDM Header files

git-svn-id: https://svn.code.sf.net/p/freetel/code@3152 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoTW and NW worked out at run time, c2sim c2enc/dec 1300/700C ok
drowe67 [Fri, 2 Jun 2017 07:36:15 +0000 (07:36 +0000)]
TW and NW worked out at run time, c2sim c2enc/dec 1300/700C ok

git-svn-id: https://svn.code.sf.net/p/freetel/code@3151 01035d8c-6547-0410-b346-abe4f91aad63

7 years agomade timing/freq est window indep of Rs
drowe67 [Fri, 2 Jun 2017 01:19:22 +0000 (01:19 +0000)]
made timing/freq est window indep of Rs

git-svn-id: https://svn.code.sf.net/p/freetel/code@3150 01035d8c-6547-0410-b346-abe4f91aad63

7 years agorefactoring general purpose mFSK modem library from fsk_horus
drowe67 [Thu, 1 Jun 2017 22:34:11 +0000 (22:34 +0000)]
refactoring general purpose mFSK modem library from fsk_horus

git-svn-id: https://svn.code.sf.net/p/freetel/code@3149 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoinitial 16fsk working, but have hard coded the freq offset est for now
drowe67 [Wed, 31 May 2017 03:33:21 +0000 (03:33 +0000)]
initial 16fsk working, but have hard coded the freq offset est for now

git-svn-id: https://svn.code.sf.net/p/freetel/code@3148 01035d8c-6547-0410-b346-abe4f91aad63

7 years agop_min/p_max/m_pitch run time constants, bit exact with c2sim and cenc/dec 1300/700C
drowe67 [Tue, 30 May 2017 09:38:01 +0000 (09:38 +0000)]
p_min/p_max/m_pitch run time constants, bit exact with c2sim and cenc/dec 1300/700C

git-svn-id: https://svn.code.sf.net/p/freetel/code@3147 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoworking on 16kHz support, number of samples/frame now a run time varialble, c2sim...
drowe67 [Tue, 30 May 2017 01:57:35 +0000 (01:57 +0000)]
working on 16kHz support, number of samples/frame now a run time varialble, c2sim and c2enc/dec 1300 output bit exact

git-svn-id: https://svn.code.sf.net/p/freetel/code@3146 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoTag release FreeDV 1.2.1.
hobbes1069 [Tue, 30 May 2017 00:14:08 +0000 (00:14 +0000)]
Tag release FreeDV 1.2.1.

git-svn-id: https://svn.code.sf.net/p/freetel/code@3145 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoMerge win32 log fix into 1.2 branch.
hobbes1069 [Tue, 30 May 2017 00:12:35 +0000 (00:12 +0000)]
Merge win32 log fix into 1.2 branch.

git-svn-id: https://svn.code.sf.net/p/freetel/code@3144 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoSNR estimation for EME
drowe67 [Sat, 27 May 2017 21:54:31 +0000 (21:54 +0000)]
SNR estimation for EME

git-svn-id: https://svn.code.sf.net/p/freetel/code@3143 01035d8c-6547-0410-b346-abe4f91aad63

7 years agomaking a start on HF noise cancellation problems
drowe67 [Thu, 25 May 2017 02:31:55 +0000 (02:31 +0000)]
making a start on HF noise cancellation problems

git-svn-id: https://svn.code.sf.net/p/freetel/code@3142 01035d8c-6547-0410-b346-abe4f91aad63

7 years agofew tweaks to only log errors when valid signal
drowe67 [Thu, 18 May 2017 10:43:09 +0000 (10:43 +0000)]
few tweaks to only log errors when valid signal

git-svn-id: https://svn.code.sf.net/p/freetel/code@3141 01035d8c-6547-0410-b346-abe4f91aad63

7 years agothicker lines on plots
drowe67 [Thu, 18 May 2017 00:36:05 +0000 (00:36 +0000)]
thicker lines on plots

git-svn-id: https://svn.code.sf.net/p/freetel/code@3140 01035d8c-6547-0410-b346-abe4f91aad63

7 years agossb filtering feature and bcleaned up rx logs
drowe67 [Thu, 18 May 2017 00:35:23 +0000 (00:35 +0000)]
ssb filtering feature and bcleaned up rx logs

git-svn-id: https://svn.code.sf.net/p/freetel/code@3139 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoselects Nc based on code rate to maintain 700 bit/s payload data rate
drowe67 [Tue, 16 May 2017 20:37:37 +0000 (20:37 +0000)]
selects Nc based on code rate to maintain 700 bit/s payload data rate

git-svn-id: https://svn.code.sf.net/p/freetel/code@3138 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoadded analog signal simulation and interleaving of (224,112) code, and a basic sync...
drowe67 [Tue, 16 May 2017 03:03:30 +0000 (03:03 +0000)]
added analog signal simulation and interleaving of (224,112) code, and a basic sync system for rx

git-svn-id: https://svn.code.sf.net/p/freetel/code@3137 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoadded error pattern and analog simulation
drowe67 [Tue, 16 May 2017 03:02:29 +0000 (03:02 +0000)]
added error pattern and analog simulation

git-svn-id: https://svn.code.sf.net/p/freetel/code@3136 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoadded rate 0.8 wenet ldpc code for comparison
drowe67 [Tue, 16 May 2017 03:00:41 +0000 (03:00 +0000)]
added rate 0.8 wenet ldpc code for comparison

git-svn-id: https://svn.code.sf.net/p/freetel/code@3135 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoone frame ldpc enc/dec working for ofdm_rx/ofdm_tx
drowe67 [Sat, 13 May 2017 21:59:39 +0000 (21:59 +0000)]
one frame ldpc enc/dec working for ofdm_rx/ofdm_tx

git-svn-id: https://svn.code.sf.net/p/freetel/code@3134 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoadded various new plots for characterising system, added diversity for comparison...
drowe67 [Sat, 13 May 2017 09:06:54 +0000 (09:06 +0000)]
added various new plots for characterising system, added diversity for comparison, normalised HF power, slower freq tracking to improve perf

git-svn-id: https://svn.code.sf.net/p/freetel/code@3133 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoadding multiple LDPC frame interleaving, reorganised plots
drowe67 [Fri, 12 May 2017 02:33:04 +0000 (02:33 +0000)]
adding multiple LDPC frame interleaving, reorganised plots

git-svn-id: https://svn.code.sf.net/p/freetel/code@3132 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoscript to separate all.wav into separate wave files for listening tests
drowe67 [Thu, 11 May 2017 21:55:27 +0000 (21:55 +0000)]
script to separate all.wav into separate wave files for listening tests

git-svn-id: https://svn.code.sf.net/p/freetel/code@3131 01035d8c-6547-0410-b346-abe4f91aad63

7 years agointerleaver working better, at least for ldpc_short, getting PER<0.1 at 6dB for 576...
drowe67 [Wed, 10 May 2017 05:47:49 +0000 (05:47 +0000)]
interleaver working better, at least for ldpc_short, getting PER<0.1 at 6dB for 576*4 codewords on ldpc_qpsk and for 32 fr interleaver on ldpc_short

git-svn-id: https://svn.code.sf.net/p/freetel/code@3130 01035d8c-6547-0410-b346-abe4f91aad63

7 years agobrought ldpcut back to a simplified demo for blog post
drowe67 [Tue, 9 May 2017 20:53:07 +0000 (20:53 +0000)]
brought ldpcut back to a simplified demo for blog post

git-svn-id: https://svn.code.sf.net/p/freetel/code@3129 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoadded a few notes and tested
drowe67 [Sun, 7 May 2017 20:48:16 +0000 (20:48 +0000)]
added a few notes and tested

git-svn-id: https://svn.code.sf.net/p/freetel/code@3128 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoadded better HF model which reconciled (poor) perf with ldpcut
drowe67 [Sun, 7 May 2017 20:29:30 +0000 (20:29 +0000)]
added better HF model which reconciled (poor) perf with ldpcut

git-svn-id: https://svn.code.sf.net/p/freetel/code@3127 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoadded ldpc code
drowe67 [Sun, 7 May 2017 20:26:18 +0000 (20:26 +0000)]
added ldpc code

git-svn-id: https://svn.code.sf.net/p/freetel/code@3126 01035d8c-6547-0410-b346-abe4f91aad63

7 years agomodified to test Bill's short LDPC codes
drowe67 [Sun, 7 May 2017 20:23:40 +0000 (20:23 +0000)]
modified to test Bill's short LDPC codes

git-svn-id: https://svn.code.sf.net/p/freetel/code@3125 01035d8c-6547-0410-b346-abe4f91aad63

7 years agodiabled writing log file on Win32
drowe67 [Sun, 7 May 2017 00:42:03 +0000 (00:42 +0000)]
diabled writing log file on Win32

git-svn-id: https://svn.code.sf.net/p/freetel/code@3124 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoadded fading channel model, results check out ok
drowe67 [Fri, 5 May 2017 03:27:32 +0000 (03:27 +0000)]
added fading channel model, results check out ok

git-svn-id: https://svn.code.sf.net/p/freetel/code@3123 01035d8c-6547-0410-b346-abe4f91aad63

7 years agofirst pass at LDPC integration. Good results for AWGN channel, but HF fading not...
drowe67 [Thu, 4 May 2017 05:36:43 +0000 (05:36 +0000)]
first pass at LDPC integration.  Good results for AWGN channel, but HF fading not working properly

git-svn-id: https://svn.code.sf.net/p/freetel/code@3122 01035d8c-6547-0410-b346-abe4f91aad63

7 years agochanged amplitde scaling to prevent clipping with noise
drowe67 [Thu, 4 May 2017 05:35:38 +0000 (05:35 +0000)]
changed amplitde scaling to prevent clipping with noise

git-svn-id: https://svn.code.sf.net/p/freetel/code@3121 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoURL change, thanks Steve
drowe67 [Wed, 3 May 2017 19:46:05 +0000 (19:46 +0000)]
URL change, thanks Steve

git-svn-id: https://svn.code.sf.net/p/freetel/code@3120 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoaquisition working with freq offsets up to +/-20Hz. A bit slow, but gd enough for...
drowe67 [Wed, 3 May 2017 03:55:16 +0000 (03:55 +0000)]
aquisition working with freq offsets up to +/-20Hz.  A bit slow, but gd enough for initial OTA tests. Will speed up later.

git-svn-id: https://svn.code.sf.net/p/freetel/code@3119 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoadded AWGN and HF channel simulation, usual confusion with real signals, SNR est...
drowe67 [Wed, 3 May 2017 00:40:36 +0000 (00:40 +0000)]
added AWGN and HF channel simulation, usual confusion with real signals, SNR est and meas.  How rx is syncing up OK

git-svn-id: https://svn.code.sf.net/p/freetel/code@3118 01035d8c-6547-0410-b346-abe4f91aad63

7 years agofirst pass coarse timing/frame sync working on ofdm_rx
drowe67 [Tue, 2 May 2017 05:40:32 +0000 (05:40 +0000)]
first pass coarse timing/frame sync working on ofdm_rx

git-svn-id: https://svn.code.sf.net/p/freetel/code@3117 01035d8c-6547-0410-b346-abe4f91aad63

7 years agobrought aquisition UT back to life, falls over when abs(freq offset) >= 25Hz, which...
drowe67 [Mon, 1 May 2017 02:32:21 +0000 (02:32 +0000)]
brought aquisition UT back to life, falls over when abs(freq offset) >= 25Hz, which is about half symbol rate.  Coincidence?

git-svn-id: https://svn.code.sf.net/p/freetel/code@3116 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoofdm_tx and ofdm_rx working with no noise
drowe67 [Mon, 1 May 2017 01:55:56 +0000 (01:55 +0000)]
ofdm_tx and ofdm_rx working with no noise

git-svn-id: https://svn.code.sf.net/p/freetel/code@3115 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoerror that was casuing sm1000 to crash - need one extra storage for phase H[]
drowe67 [Sun, 30 Apr 2017 21:09:41 +0000 (21:09 +0000)]
error that was casuing sm1000 to crash - need one extra storage for phase H[]

git-svn-id: https://svn.code.sf.net/p/freetel/code@3114 01035d8c-6547-0410-b346-abe4f91aad63

7 years agofirst pass at file based tx
drowe67 [Sat, 29 Apr 2017 23:56:05 +0000 (23:56 +0000)]
first pass at file based tx

git-svn-id: https://svn.code.sf.net/p/freetel/code@3113 01035d8c-6547-0410-b346-abe4f91aad63

7 years agofirst pass at file based rx
drowe67 [Sat, 29 Apr 2017 23:55:31 +0000 (23:55 +0000)]
first pass at file based rx

git-svn-id: https://svn.code.sf.net/p/freetel/code@3112 01035d8c-6547-0410-b346-abe4f91aad63

7 years agosplit rate fs ofdm simulation into multiple files
drowe67 [Sat, 29 Apr 2017 22:40:11 +0000 (22:40 +0000)]
split rate fs ofdm simulation into multiple files

git-svn-id: https://svn.code.sf.net/p/freetel/code@3111 01035d8c-6547-0410-b346-abe4f91aad63

7 years agolinker mods to reduce file of sm1000 binary - thanks Steve
drowe67 [Sat, 29 Apr 2017 21:53:20 +0000 (21:53 +0000)]
linker mods to reduce file of sm1000 binary - thanks Steve

git-svn-id: https://svn.code.sf.net/p/freetel/code@3110 01035d8c-6547-0410-b346-abe4f91aad63

7 years agomoved buffer shift inside ofdm_demod, default init of run time states
drowe67 [Sat, 29 Apr 2017 00:06:41 +0000 (00:06 +0000)]
moved buffer shift inside ofdm_demod, default init of run time states

git-svn-id: https://svn.code.sf.net/p/freetel/code@3109 01035d8c-6547-0410-b346-abe4f91aad63

7 years agocode for handling sample slips, tested with +/-500ppm clock offsets
drowe67 [Fri, 28 Apr 2017 01:02:38 +0000 (01:02 +0000)]
code for handling sample slips, tested with +/-500ppm clock offsets

git-svn-id: https://svn.code.sf.net/p/freetel/code@3108 01035d8c-6547-0410-b346-abe4f91aad63

7 years agocleaned up loop indexes
drowe67 [Thu, 27 Apr 2017 06:49:28 +0000 (06:49 +0000)]
cleaned up loop indexes

git-svn-id: https://svn.code.sf.net/p/freetel/code@3107 01035d8c-6547-0410-b346-abe4f91aad63

7 years agocleaned up loop indexes
drowe67 [Thu, 27 Apr 2017 06:48:14 +0000 (06:48 +0000)]
cleaned up loop indexes

git-svn-id: https://svn.code.sf.net/p/freetel/code@3106 01035d8c-6547-0410-b346-abe4f91aad63

7 years agomoved demodulation to phase correction loop
drowe67 [Thu, 27 Apr 2017 05:58:04 +0000 (05:58 +0000)]
moved demodulation to phase correction loop

git-svn-id: https://svn.code.sf.net/p/freetel/code@3105 01035d8c-6547-0410-b346-abe4f91aad63

7 years agocleaned up, next step put demod in function
drowe67 [Thu, 27 Apr 2017 00:36:50 +0000 (00:36 +0000)]
cleaned up, next step put demod in function

git-svn-id: https://svn.code.sf.net/p/freetel/code@3104 01035d8c-6547-0410-b346-abe4f91aad63

7 years agofine timing and fine freq working on fixed buf
drowe67 [Wed, 26 Apr 2017 22:14:12 +0000 (22:14 +0000)]
fine timing and fine freq working on fixed buf

git-svn-id: https://svn.code.sf.net/p/freetel/code@3103 01035d8c-6547-0410-b346-abe4f91aad63

7 years agorefactoring rx side - rx sym not working on fixed buf,HF results looking gd
drowe67 [Wed, 26 Apr 2017 09:03:34 +0000 (09:03 +0000)]
refactoring rx side - rx sym not working on fixed buf,HF results looking gd

git-svn-id: https://svn.code.sf.net/p/freetel/code@3102 01035d8c-6547-0410-b346-abe4f91aad63

7 years agostarting to refactor rate Fs ofdm simulation, and changed name of rate fs and rate rs
drowe67 [Sun, 23 Apr 2017 08:04:48 +0000 (08:04 +0000)]
starting to refactor rate Fs ofdm simulation, and changed name of rate fs and rate rs

git-svn-id: https://svn.code.sf.net/p/freetel/code@3101 01035d8c-6547-0410-b346-abe4f91aad63

7 years agofine timing getting gd results (almost no IL) with no sample clock errors, and accept...
drowe67 [Thu, 20 Apr 2017 03:19:40 +0000 (03:19 +0000)]
fine timing getting gd results (almost no IL) with no sample clock errors, and acceptable results at +/-500 and +/-1000ppm

git-svn-id: https://svn.code.sf.net/p/freetel/code@3100 01035d8c-6547-0410-b346-abe4f91aad63

7 years agofine timing doing some sensible things, tracking timing as multipath changes, however...
drowe67 [Wed, 19 Apr 2017 21:27:03 +0000 (21:27 +0000)]
fine timing doing some sensible things, tracking timing as multipath changes, however BER still a little worse than fixed fine timing

git-svn-id: https://svn.code.sf.net/p/freetel/code@3099 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoprogressing fine timing algorithm, added test based on small deviations from current...
drowe67 [Wed, 19 Apr 2017 03:58:31 +0000 (03:58 +0000)]
progressing fine timing algorithm, added test based on small deviations from current timing est

git-svn-id: https://svn.code.sf.net/p/freetel/code@3098 01035d8c-6547-0410-b346-abe4f91aad63

7 years agotiming and freq aquisition test
drowe67 [Sat, 15 Apr 2017 22:04:22 +0000 (22:04 +0000)]
timing and freq aquisition test

git-svn-id: https://svn.code.sf.net/p/freetel/code@3097 01035d8c-6547-0410-b346-abe4f91aad63

7 years agodrawing curves
drowe67 [Tue, 11 Apr 2017 00:32:09 +0000 (00:32 +0000)]
drawing curves

git-svn-id: https://svn.code.sf.net/p/freetel/code@3096 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoconverted to QPSK
drowe67 [Mon, 10 Apr 2017 22:51:01 +0000 (22:51 +0000)]
converted to QPSK

git-svn-id: https://svn.code.sf.net/p/freetel/code@3095 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoadded BIll's ml_pd and comparedwith some curves
drowe67 [Mon, 10 Apr 2017 21:40:32 +0000 (21:40 +0000)]
added BIll's ml_pd and comparedwith some curves

git-svn-id: https://svn.code.sf.net/p/freetel/code@3094 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoprogressing rate Fs bpsk ofdm simulation
drowe67 [Fri, 7 Apr 2017 04:47:30 +0000 (04:47 +0000)]
progressing rate Fs bpsk ofdm simulation

git-svn-id: https://svn.code.sf.net/p/freetel/code@3093 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoupdate pkgconfig template for codec2.
hobbes1069 [Tue, 4 Apr 2017 20:42:22 +0000 (20:42 +0000)]
update pkgconfig template for codec2.

git-svn-id: https://svn.code.sf.net/p/freetel/code@3092 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoedited to support new cohpsk_mod API
drowe67 [Tue, 4 Apr 2017 19:42:00 +0000 (19:42 +0000)]
edited to support new cohpsk_mod API

git-svn-id: https://svn.code.sf.net/p/freetel/code@3091 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoDisable building GUI tools for wxWidgets since we don't need them.
hobbes1069 [Tue, 4 Apr 2017 13:37:52 +0000 (13:37 +0000)]
Disable building GUI tools for wxWidgets since we don't need them.

git-svn-id: https://svn.code.sf.net/p/freetel/code@3090 01035d8c-6547-0410-b346-abe4f91aad63

7 years agogenerates figures of various options
drowe67 [Tue, 4 Apr 2017 08:48:33 +0000 (08:48 +0000)]
generates figures of various options

git-svn-id: https://svn.code.sf.net/p/freetel/code@3089 01035d8c-6547-0410-b346-abe4f91aad63

7 years agorefactored to gives constant run time for different pilot insertion rates
drowe67 [Tue, 4 Apr 2017 02:36:40 +0000 (02:36 +0000)]
refactored to gives constant run time for different pilot insertion rates

git-svn-id: https://svn.code.sf.net/p/freetel/code@3088 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoadded modn stripping refinemeant and wider time window options
drowe67 [Tue, 4 Apr 2017 01:19:25 +0000 (01:19 +0000)]
added modn stripping refinemeant and wider time window options

git-svn-id: https://svn.code.sf.net/p/freetel/code@3087 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoif-deffed out code not rqd for stm32 build
drowe67 [Thu, 30 Mar 2017 20:09:46 +0000 (20:09 +0000)]
if-deffed out code not rqd for stm32 build

git-svn-id: https://svn.code.sf.net/p/freetel/code@3086 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoreasonable results with HF channel model, about 1dB IL on HF at 6dB Eb/No. Next...
drowe67 [Thu, 30 Mar 2017 04:40:35 +0000 (04:40 +0000)]
reasonable results with HF channel model, about 1dB IL on HF at 6dB Eb/No.  Next step try interpolating or pilots from > 2 frames

git-svn-id: https://svn.code.sf.net/p/freetel/code@3085 01035d8c-6547-0410-b346-abe4f91aad63

7 years agofirst pass at pilot based phase estimation averaged over three carriers
drowe67 [Wed, 29 Mar 2017 21:19:54 +0000 (21:19 +0000)]
first pass at pilot based phase estimation averaged over three carriers

git-svn-id: https://svn.code.sf.net/p/freetel/code@3084 01035d8c-6547-0410-b346-abe4f91aad63

7 years agocan now simulate avergaing three carriers, about to speed up for longer tests
drowe67 [Fri, 24 Mar 2017 03:05:29 +0000 (03:05 +0000)]
can now simulate avergaing three carriers, about to speed up for longer tests

git-svn-id: https://svn.code.sf.net/p/freetel/code@3083 01035d8c-6547-0410-b346-abe4f91aad63

7 years agobaseline rate Rs BPSK AWGN simulation, about to add HF
drowe67 [Thu, 23 Mar 2017 23:25:33 +0000 (23:25 +0000)]
baseline rate Rs BPSK AWGN simulation, about to add HF

git-svn-id: https://svn.code.sf.net/p/freetel/code@3082 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoworking on handling phase est ambiguity neat +/- pi/2
drowe67 [Thu, 23 Mar 2017 06:47:58 +0000 (06:47 +0000)]
working on handling phase est ambiguity neat +/- pi/2

git-svn-id: https://svn.code.sf.net/p/freetel/code@3081 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoadded worksheet for new BPSK waveform, nice results on paper
drowe67 [Tue, 21 Mar 2017 23:45:28 +0000 (23:45 +0000)]
added worksheet for new BPSK waveform, nice results on paper

git-svn-id: https://svn.code.sf.net/p/freetel/code@3080 01035d8c-6547-0410-b346-abe4f91aad63

7 years agobuilding up simulation to inlude phase and frequency offsets
drowe67 [Tue, 21 Mar 2017 23:43:05 +0000 (23:43 +0000)]
building up simulation to inlude phase and frequency offsets

git-svn-id: https://svn.code.sf.net/p/freetel/code@3079 01035d8c-6547-0410-b346-abe4f91aad63

7 years agobpsk simulation with ML dbpsk and mod stripping phase est
drowe67 [Tue, 21 Mar 2017 09:59:18 +0000 (09:59 +0000)]
bpsk simulation with ML dbpsk and mod stripping phase est

git-svn-id: https://svn.code.sf.net/p/freetel/code@3078 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoupdated command line examples
drowe67 [Mon, 20 Mar 2017 19:30:13 +0000 (19:30 +0000)]
updated command line examples

git-svn-id: https://svn.code.sf.net/p/freetel/code@3077 01035d8c-6547-0410-b346-abe4f91aad63

7 years agobetter support for multiple LDPC codes
drowe67 [Sun, 19 Mar 2017 23:24:16 +0000 (23:24 +0000)]
better support for multiple LDPC codes

git-svn-id: https://svn.code.sf.net/p/freetel/code@3076 01035d8c-6547-0410-b346-abe4f91aad63

7 years agosoft dec output, ready for LDPC dec
drowe67 [Sun, 19 Mar 2017 23:23:30 +0000 (23:23 +0000)]
soft dec output, ready for LDPC dec

git-svn-id: https://svn.code.sf.net/p/freetel/code@3075 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoClean up how SVN revision works.
hobbes1069 [Sun, 19 Mar 2017 21:44:50 +0000 (21:44 +0000)]
Clean up how SVN revision works.

git-svn-id: https://svn.code.sf.net/p/freetel/code@3074 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoREADME cleanup, still needs some work.
hobbes1069 [Sun, 19 Mar 2017 21:28:58 +0000 (21:28 +0000)]
README cleanup, still needs some work.

git-svn-id: https://svn.code.sf.net/p/freetel/code@3073 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoldpc_dec modified to read in half frames and perform FEC frame sync, cohpsk and unit...
drowe67 [Sun, 19 Mar 2017 09:45:36 +0000 (09:45 +0000)]
ldpc_dec modified to read in half frames and perform FEC frame sync, cohpsk and unit tests modified to work with non-diversity, next step verify cohpsk with AWGN and test on cmd line with LDPC decoder

git-svn-id: https://svn.code.sf.net/p/freetel/code@3072 01035d8c-6547-0410-b346-abe4f91aad63

7 years ago112 LDPC code support in LDPC unit tests
drowe67 [Sun, 19 Mar 2017 00:06:09 +0000 (00:06 +0000)]
112 LDPC code support in LDPC unit tests

git-svn-id: https://svn.code.sf.net/p/freetel/code@3071 01035d8c-6547-0410-b346-abe4f91aad63

7 years agotraps wrong CML path
drowe67 [Sat, 18 Mar 2017 21:21:11 +0000 (21:21 +0000)]
traps wrong CML path

git-svn-id: https://svn.code.sf.net/p/freetel/code@3070 01035d8c-6547-0410-b346-abe4f91aad63

7 years agotypo in header
drowe67 [Sat, 18 Mar 2017 06:30:11 +0000 (06:30 +0000)]
typo in header

git-svn-id: https://svn.code.sf.net/p/freetel/code@3069 01035d8c-6547-0410-b346-abe4f91aad63

7 years agobreak LDPC code->headerfile func out of ldpc_fsk_lib.m
drowe67 [Sat, 18 Mar 2017 06:11:45 +0000 (06:11 +0000)]
break LDPC code->headerfile func out of ldpc_fsk_lib.m

git-svn-id: https://svn.code.sf.net/p/freetel/code@3068 01035d8c-6547-0410-b346-abe4f91aad63

7 years agobetter plot output, but not satisfied by fuzzy ouput of eps->png conversion
drowe67 [Sat, 18 Mar 2017 02:20:44 +0000 (02:20 +0000)]
better plot output, but not satisfied by fuzzy ouput of eps->png conversion

git-svn-id: https://svn.code.sf.net/p/freetel/code@3067 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoadded hf/multipath model, and diversity results
drowe67 [Thu, 16 Mar 2017 07:23:18 +0000 (07:23 +0000)]
added hf/multipath model, and diversity results

git-svn-id: https://svn.code.sf.net/p/freetel/code@3066 01035d8c-6547-0410-b346-abe4f91aad63

7 years agomodified plots for blog post
drowe67 [Thu, 16 Mar 2017 05:16:04 +0000 (05:16 +0000)]
modified plots for blog post

git-svn-id: https://svn.code.sf.net/p/freetel/code@3065 01035d8c-6547-0410-b346-abe4f91aad63

7 years agofirst pass a AWGN perf curves for Bill's short codes
drowe67 [Thu, 16 Mar 2017 02:57:19 +0000 (02:57 +0000)]
first pass a AWGN perf curves for Bill's short codes

git-svn-id: https://svn.code.sf.net/p/freetel/code@3064 01035d8c-6547-0410-b346-abe4f91aad63

7 years agofix some warnings, remove unused ancient unittests
drowe67 [Thu, 16 Mar 2017 00:49:40 +0000 (00:49 +0000)]
fix some warnings, remove unused ancient unittests

git-svn-id: https://svn.code.sf.net/p/freetel/code@3063 01035d8c-6547-0410-b346-abe4f91aad63

7 years agofix some warnings
drowe67 [Thu, 16 Mar 2017 00:49:14 +0000 (00:49 +0000)]
fix some warnings

git-svn-id: https://svn.code.sf.net/p/freetel/code@3062 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoremoved some unused old codebook files
drowe67 [Thu, 16 Mar 2017 00:22:49 +0000 (00:22 +0000)]
removed some unused old codebook files

git-svn-id: https://svn.code.sf.net/p/freetel/code@3061 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoshort LPDC codes
drowe67 [Wed, 15 Mar 2017 10:43:41 +0000 (10:43 +0000)]
short LPDC codes

git-svn-id: https://svn.code.sf.net/p/freetel/code@3060 01035d8c-6547-0410-b346-abe4f91aad63

7 years agosimulation to plot error curves for BIll VK5DSP's short LDPC codes
drowe67 [Wed, 15 Mar 2017 05:22:52 +0000 (05:22 +0000)]
simulation to plot error curves for BIll VK5DSP's short LDPC codes

git-svn-id: https://svn.code.sf.net/p/freetel/code@3059 01035d8c-6547-0410-b346-abe4f91aad63

7 years agoAdd libsamplerate as a cmake dependency for codec2.
hobbes1069 [Mon, 13 Mar 2017 17:50:30 +0000 (17:50 +0000)]
Add libsamplerate as a cmake dependency for codec2.

git-svn-id: https://svn.code.sf.net/p/freetel/code@3058 01035d8c-6547-0410-b346-abe4f91aad63