1 <?xml version='1.0' encoding='ASCII'?>
3 <timestamp>Thu Mar 19 11:22:40 2009</timestamp>
8 <value>int_cancellation</value>
16 <value>Superposition Coding</value>
23 <key>description</key>
24 <value>gnuradio flow graph</value>
27 <key>window_size</key>
28 <value>2048, 2048</value>
31 <key>generate_options</key>
39 <key>realtime_scheduling</key>
43 <key>_coordinate</key>
44 <value>(10, 10)</value>
52 <key>variable_slider</key>
82 <key>slider_length</key>
86 <key>slider_type</key>
87 <value>horizontal</value>
94 <key>_coordinate</key>
95 <value>(243, 11)</value>
103 <key>variable_slider</key>
106 <value>snr_db</value>
114 <value>P/sigma^2 (dB)</value>
133 <key>slider_length</key>
137 <key>slider_type</key>
138 <value>horizontal</value>
145 <key>_coordinate</key>
146 <value>(447, 14)</value>
157 <value>noisevar</value>
165 <value>10**(-snr_db/10)</value>
168 <key>_coordinate</key>
169 <value>(637, 13)</value>
177 <key>random_source_x</key>
180 <value>random_source_x_0</value>
207 <key>_coordinate</key>
208 <value>(21, 170)</value>
216 <key>gr_chunks_to_symbols_xx</key>
219 <value>gr_chunks_to_symbols_xx_0</value>
231 <value>complex</value>
234 <key>symbol_table</key>
235 <value>1,1j,-1j,-1</value>
242 <key>_coordinate</key>
243 <value>(665, 187)</value>
251 <key>gr_multiply_const_vxx</key>
254 <value>gr_multiply_const_vxx_0</value>
262 <value>complex</value>
266 <value>alpha**0.5</value>
273 <key>_coordinate</key>
274 <value>(988, 196)</value>
282 <key>random_source_x</key>
285 <value>random_source_x_1</value>
312 <key>_coordinate</key>
313 <value>(25, 291)</value>
321 <key>gr_chunks_to_symbols_xx</key>
324 <value>gr_chunks_to_symbols_xx_1</value>
336 <value>complex</value>
339 <key>symbol_table</key>
340 <value>1,1j,-1j,-1</value>
347 <key>_coordinate</key>
348 <value>(660, 311)</value>
356 <key>gr_multiply_const_vxx</key>
359 <value>gr_multiply_const_vxx_1</value>
367 <value>complex</value>
371 <value>(1-alpha)**0.5</value>
378 <key>_coordinate</key>
379 <value>(994, 319)</value>
390 <value>gr_add_xx_0</value>
398 <value>complex</value>
401 <key>num_inputs</key>
409 <key>_coordinate</key>
410 <value>(1224, 244)</value>
418 <key>gr_noise_source_x</key>
421 <value>gr_noise_source_x_0</value>
429 <value>complex</value>
432 <key>noise_type</key>
433 <value>gr.GR_GAUSSIAN</value>
437 <value>noisevar</value>
444 <key>_coordinate</key>
445 <value>(1146, 369)</value>
456 <value>gr_sub_xx_0</value>
471 <key>num_inputs</key>
475 <key>_coordinate</key>
476 <value>(536, 529)</value>
484 <key>gr_multiply_xx</key>
487 <value>gr_multiply_xx_0</value>
498 <key>num_inputs</key>
506 <key>_coordinate</key>
507 <value>(771, 525)</value>
515 <key>gr_short_to_float</key>
518 <value>gr_short_to_float_0</value>
525 <key>_coordinate</key>
526 <value>(994, 545)</value>
537 <value>gr_sub_xx_3</value>
552 <key>num_inputs</key>
556 <key>_coordinate</key>
557 <value>(535, 792)</value>
565 <key>gr_multiply_xx</key>
568 <value>gr_multiply_xx_1</value>
579 <key>num_inputs</key>
587 <key>_coordinate</key>
588 <value>(785, 779)</value>
596 <key>gr_short_to_float</key>
599 <value>gr_short_to_float_2</value>
606 <key>_coordinate</key>
607 <value>(1005, 798)</value>
615 <key>gr_chunks_to_symbols_xx</key>
618 <value>gr_chunks_to_symbols_xx_2</value>
630 <value>complex</value>
633 <key>symbol_table</key>
634 <value>1,1j,-1j,-1</value>
641 <key>_coordinate</key>
642 <value>(405, 998)</value>
650 <key>gr_multiply_const_vxx</key>
653 <value>gr_multiply_const_vxx_2</value>
661 <value>complex</value>
665 <value>alpha**0.5</value>
672 <key>_coordinate</key>
673 <value>(710, 1008)</value>
684 <value>gr_sub_xx_2</value>
692 <value>complex</value>
699 <key>num_inputs</key>
703 <key>_coordinate</key>
704 <value>(944, 978)</value>
715 <value>gr_sub_xx_1</value>
730 <key>num_inputs</key>
734 <key>_coordinate</key>
735 <value>(540, 1141)</value>
743 <key>gr_multiply_xx</key>
746 <value>gr_multiply_xx_2</value>
757 <key>num_inputs</key>
765 <key>_coordinate</key>
766 <value>(796, 1136)</value>
774 <key>gr_short_to_float</key>
777 <value>gr_short_to_float_1</value>
784 <key>_coordinate</key>
785 <value>(1009, 1156)</value>
793 <key>gr_chunks_to_symbols_xx</key>
796 <value>gr_chunks_to_symbols_xx_2_0</value>
808 <value>complex</value>
811 <key>symbol_table</key>
812 <value>1,1j,-1j,-1</value>
819 <key>_coordinate</key>
820 <value>(420, 1368)</value>
828 <key>gr_multiply_const_vxx</key>
831 <value>gr_multiply_const_vxx_2_0</value>
839 <value>complex</value>
843 <value>(1-alpha)**0.5</value>
850 <key>_coordinate</key>
851 <value>(733, 1374)</value>
862 <value>gr_sub_xx_2_0</value>
870 <value>complex</value>
877 <key>num_inputs</key>
881 <key>_coordinate</key>
882 <value>(975, 1342)</value>
893 <value>gr_sub_xx_1_0</value>
908 <key>num_inputs</key>
912 <key>_coordinate</key>
913 <value>(559, 1536)</value>
921 <key>gr_multiply_xx</key>
924 <value>gr_multiply_xx_2_0</value>
935 <key>num_inputs</key>
943 <key>_coordinate</key>
944 <value>(771, 1530)</value>
952 <key>gr_short_to_float</key>
955 <value>gr_short_to_float_1_0</value>
962 <key>_coordinate</key>
963 <value>(1010, 1551)</value>
971 <key>wxgui_numbersink2</key>
974 <value>wxgui_numbersink2_2</value>
986 <value>BER 2 (raw)</value>
997 <key>base_value</key>
1001 <key>min_value</key>
1005 <key>max_value</key>
1013 <key>decimal_places</key>
1017 <key>ref_level</key>
1021 <key>number_rate</key>
1025 <key>peak_hold</key>
1026 <value>False</value>
1030 <value>False</value>
1033 <key>avg_alpha</key>
1034 <value>0.001</value>
1037 <key>show_gauge</key>
1042 <value>0,1,1,1</value>
1045 <key>_coordinate</key>
1046 <value>(1260, 659)</value>
1049 <key>_rotation</key>
1054 <key>wxgui_numbersink2</key>
1057 <value>wxgui_numbersink2_3</value>
1065 <value>float</value>
1069 <value>BER 2 (after cancelling user 1)</value>
1076 <key>samp_rate</key>
1080 <key>base_value</key>
1084 <key>min_value</key>
1088 <key>max_value</key>
1096 <key>decimal_places</key>
1100 <key>ref_level</key>
1104 <key>number_rate</key>
1108 <key>peak_hold</key>
1109 <value>False</value>
1113 <value>False</value>
1116 <key>avg_alpha</key>
1117 <value>0.001</value>
1120 <key>show_gauge</key>
1125 <value>1,1,1,1</value>
1128 <key>_coordinate</key>
1129 <value>(1262, 1020)</value>
1132 <key>_rotation</key>
1137 <key>wxgui_numbersink2</key>
1140 <value>wxgui_numbersink2_3_0</value>
1148 <value>float</value>
1152 <value>BER 1 (after cancelling user 2)</value>
1159 <key>samp_rate</key>
1163 <key>base_value</key>
1167 <key>min_value</key>
1171 <key>max_value</key>
1179 <key>decimal_places</key>
1183 <key>ref_level</key>
1187 <key>number_rate</key>
1191 <key>peak_hold</key>
1192 <value>False</value>
1196 <value>False</value>
1199 <key>avg_alpha</key>
1200 <value>0.001</value>
1203 <key>show_gauge</key>
1208 <value>1,0,1,1</value>
1211 <key>_coordinate</key>
1212 <value>(1269, 1417)</value>
1215 <key>_rotation</key>
1234 <key>_coordinate</key>
1235 <value>(748, 12)</value>
1238 <key>_rotation</key>
1243 <key>trellis_encoder_xx</key>
1246 <value>trellis_encoder_xx_0</value>
1258 <value>prefix+"gr-trellis/src/examples/fsm_files/awgn1o2_16.fsm"</value>
1261 <key>init_state</key>
1265 <key>_coordinate</key>
1266 <value>(334, 190)</value>
1269 <key>_rotation</key>
1274 <key>trellis_encoder_xx</key>
1277 <value>trellis_encoder_xx_1</value>
1289 <value>prefix+"gr-trellis/src/examples/fsm_files/awgn1o2_16.fsm"</value>
1292 <key>init_state</key>
1296 <key>_coordinate</key>
1297 <value>(336, 311)</value>
1300 <key>_rotation</key>
1305 <key>trellis_viterbi_combined_xx</key>
1308 <value>trellis_viterbi_combined_xx_1</value>
1324 <value>prefix+"gr-trellis/src/examples/fsm_files/awgn1o2_16.fsm"</value>
1327 <key>block_size</key>
1331 <key>init_state</key>
1335 <key>final_state</key>
1344 <value>alpha**0.5*1,alpha**0.5*1j,alpha**0.5*(-1j),alpha**0.5*(-1)</value>
1347 <key>metric_type</key>
1348 <value>trellis.TRELLIS_EUCLIDEAN</value>
1351 <key>_coordinate</key>
1352 <value>(79, 501)</value>
1355 <key>_rotation</key>
1360 <key>trellis_viterbi_combined_xx</key>
1363 <value>trellis_viterbi_combined_xx_2</value>
1379 <value>prefix+"gr-trellis/src/examples/fsm_files/awgn1o2_16.fsm"</value>
1382 <key>block_size</key>
1386 <key>init_state</key>
1390 <key>final_state</key>
1399 <value>(1-alpha)**0.5*1,(1-alpha)**0.5*1j,(1-alpha)**0.5*(-1j),(1-alpha)**0.5*(-1)</value>
1402 <key>metric_type</key>
1403 <value>trellis.TRELLIS_EUCLIDEAN</value>
1406 <key>_coordinate</key>
1407 <value>(82, 766)</value>
1410 <key>_rotation</key>
1415 <key>trellis_encoder_xx</key>
1418 <value>trellis_encoder_xx_2</value>
1430 <value>prefix+"gr-trellis/src/examples/fsm_files/awgn1o2_16.fsm"</value>
1433 <key>init_state</key>
1437 <key>_coordinate</key>
1438 <value>(89, 998)</value>
1441 <key>_rotation</key>
1446 <key>trellis_viterbi_combined_xx</key>
1449 <value>trellis_viterbi_combined_xx_0</value>
1465 <value>prefix+"gr-trellis/src/examples/fsm_files/awgn1o2_16.fsm"</value>
1468 <key>block_size</key>
1472 <key>init_state</key>
1476 <key>final_state</key>
1485 <value>(1-alpha)**0.5*1,(1-alpha)**0.5*1j,(1-alpha)**0.5*(-1j),(1-alpha)**0.5*(-1)</value>
1488 <key>metric_type</key>
1489 <value>trellis.TRELLIS_EUCLIDEAN</value>
1492 <key>_coordinate</key>
1493 <value>(83, 1111)</value>
1496 <key>_rotation</key>
1501 <key>trellis_encoder_xx</key>
1504 <value>trellis_encoder_xx_2_0</value>
1516 <value>prefix+"gr-trellis/src/examples/fsm_files/awgn1o2_16.fsm"</value>
1519 <key>init_state</key>
1523 <key>_coordinate</key>
1524 <value>(105, 1367)</value>
1527 <key>_rotation</key>
1532 <key>trellis_viterbi_combined_xx</key>
1535 <value>trellis_viterbi_combined_xx_0_0</value>
1551 <value>prefix+"gr-trellis/src/examples/fsm_files/awgn1o2_16.fsm"</value>
1554 <key>block_size</key>
1558 <key>init_state</key>
1562 <key>final_state</key>
1571 <value>alpha**0.5*1,alpha**0.5*1j,alpha**0.5*(-1j),alpha**0.5*(-1)</value>
1574 <key>metric_type</key>
1575 <value>trellis.TRELLIS_EUCLIDEAN</value>
1578 <key>_coordinate</key>
1579 <value>(75, 1495)</value>
1582 <key>_rotation</key>
1590 <value>prefix</value>
1598 <value>"../../../"</value>
1601 <key>_coordinate</key>
1602 <value>(871, 14)</value>
1605 <key>_rotation</key>
1610 <key>gr_add_xx</key>
1613 <value>gr_add_xx_1</value>
1621 <value>complex</value>
1624 <key>num_inputs</key>
1632 <key>_coordinate</key>
1633 <value>(1400, 262)</value>
1636 <key>_rotation</key>
1641 <key>wxgui_numbersink2</key>
1644 <value>wxgui_numbersink2_0</value>
1652 <value>float</value>
1656 <value>BER 1 (raw)</value>
1663 <key>samp_rate</key>
1667 <key>base_value</key>
1671 <key>min_value</key>
1675 <key>max_value</key>
1683 <key>decimal_places</key>
1687 <key>ref_level</key>
1691 <key>number_rate</key>
1695 <key>peak_hold</key>
1696 <value>False</value>
1700 <value>False</value>
1703 <key>avg_alpha</key>
1704 <value>0.001</value>
1707 <key>show_gauge</key>
1712 <value>0,0,1,1</value>
1715 <key>_coordinate</key>
1716 <value>(1267, 410)</value>
1719 <key>_rotation</key>
1724 <key>wxgui_scopesink2</key>
1727 <value>wxgui_scopesink2_0</value>
1735 <value>complex</value>
1739 <value>Scope Plot</value>
1742 <key>samp_rate</key>
1754 <key>ac_couple</key>
1755 <value>False</value>
1762 <key>num_inputs</key>
1770 <key>_coordinate</key>
1771 <value>(1533, 149)</value>
1774 <key>_rotation</key>
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1780 <sink_block_id>trellis_encoder_xx_1</sink_block_id>
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1782 <sink_key>0</sink_key>
1785 <source_block_id>trellis_encoder_xx_0</source_block_id>
1786 <sink_block_id>gr_chunks_to_symbols_xx_0</sink_block_id>
1787 <source_key>0</source_key>
1788 <sink_key>0</sink_key>
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1792 <sink_block_id>gr_chunks_to_symbols_xx_1</sink_block_id>
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1812 <sink_key>0</sink_key>
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1830 <sink_key>1</sink_key>
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1836 <sink_key>0</sink_key>
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1842 <sink_key>1</sink_key>
1845 <source_block_id>gr_multiply_xx_0</source_block_id>
1846 <sink_block_id>gr_short_to_float_0</sink_block_id>
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1848 <sink_key>0</sink_key>
1851 <source_block_id>gr_short_to_float_0</source_block_id>
1852 <sink_block_id>wxgui_numbersink2_0</sink_block_id>
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1854 <sink_key>0</sink_key>
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1860 <sink_key>0</sink_key>
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1864 <sink_block_id>trellis_encoder_xx_0</sink_block_id>
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1878 <sink_key>0</sink_key>
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1884 <sink_key>1</sink_key>
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1894 <sink_block_id>gr_sub_xx_1</sink_block_id>
1895 <source_key>0</source_key>
1896 <sink_key>0</sink_key>
1899 <source_block_id>gr_sub_xx_1</source_block_id>
1900 <sink_block_id>gr_multiply_xx_2</sink_block_id>
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1902 <sink_key>0</sink_key>
1905 <source_block_id>gr_sub_xx_1</source_block_id>
1906 <sink_block_id>gr_multiply_xx_2</sink_block_id>
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1908 <sink_key>1</sink_key>
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1914 <sink_key>0</sink_key>
1917 <source_block_id>gr_add_xx_1</source_block_id>
1918 <sink_block_id>gr_sub_xx_2</sink_block_id>
1919 <source_key>0</source_key>
1920 <sink_key>0</sink_key>
1923 <source_block_id>trellis_encoder_xx_2</source_block_id>
1924 <sink_block_id>gr_chunks_to_symbols_xx_2</sink_block_id>
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1926 <sink_key>0</sink_key>
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1932 <sink_key>0</sink_key>
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1936 <sink_block_id>gr_sub_xx_2</sink_block_id>
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1938 <sink_key>1</sink_key>
1941 <source_block_id>trellis_viterbi_combined_xx_1</source_block_id>
1942 <sink_block_id>trellis_encoder_xx_2</sink_block_id>
1943 <source_key>0</source_key>
1944 <sink_key>0</sink_key>
1947 <source_block_id>gr_multiply_xx_1</source_block_id>
1948 <sink_block_id>gr_short_to_float_2</sink_block_id>
1949 <source_key>0</source_key>
1950 <sink_key>0</sink_key>
1953 <source_block_id>gr_short_to_float_2</source_block_id>
1954 <sink_block_id>wxgui_numbersink2_2</sink_block_id>
1955 <source_key>0</source_key>
1956 <sink_key>0</sink_key>
1959 <source_block_id>trellis_viterbi_combined_xx_2</source_block_id>
1960 <sink_block_id>gr_sub_xx_3</sink_block_id>
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1962 <sink_key>1</sink_key>
1965 <source_block_id>gr_sub_xx_3</source_block_id>
1966 <sink_block_id>gr_multiply_xx_1</sink_block_id>
1967 <source_key>0</source_key>
1968 <sink_key>0</sink_key>
1971 <source_block_id>gr_sub_xx_3</source_block_id>
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1974 <sink_key>1</sink_key>
1977 <source_block_id>gr_add_xx_1</source_block_id>
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1979 <source_key>0</source_key>
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