def test_002_t(self):
# this models 4-QAM with 1 input stream
v0 = (0, 0, 0, 1, 1, 0, 1, 1)
self.src = blocks.vector_source_b(v0, False, len(v0))
self.map = drm.qam_map_vbvc(self.tables.d_QAM4, 2, len(v0) / 2, 1)
self.snk = blocks.vector_sink_c(len(v0) / 2)
self.tb.connect(self.src, self.map, self.snk)
self.tb.run()
# check data
res = self.snk.data()
c = 0.7071067811
ref = (complex(c, c), complex(c, -c), complex(-c, c), complex(-c, -c))
self.assertComplexTuplesAlmostEqual(ref, res)
def test_002_t (self): # this models 4-QAM with 1 input stream v0 = (0,0,0,1,1,0,1,1) self.src = blocks.vector_source_b(v0, False, len(v0)) self.map = drm.qam_map_vbvc(self.tables.d_QAM4, 2, len(v0)/2, 1) self.snk = blocks.vector_sink_c(len(v0)/2) self.tb.connect(self.src, self.map, self.snk) self.tb.run() # check data res = self.snk.data() c = 0.7071067811 ref = ( complex(c, c), complex(c, -c), complex(-c, c), complex(-c, -c) ) self.assertComplexTuplesAlmostEqual(ref, res)
def test_001_t(self):
# this models 16-QAM mapping with 2 input streams
v0 = (0, 0, 0, 1, 1, 0, 1, 1)
v1 = (0, 1, 1, 1, 0, 0, 1, 0)
self.src0 = blocks.vector_source_b(v0, False, len(v0))
self.src1 = blocks.vector_source_b(v1, False, len(v1))
self.map = drm.qam_map_vbvc(self.tables.d_QAM16, 4, len(v0) / 2, 2)
self.snk = blocks.vector_sink_c(len(v0) / 2)
self.tb.connect(self.src0, (self.map, 0))
self.tb.connect(self.src1, (self.map, 1))
self.tb.connect(self.map, self.snk)
self.tb.run()
# check data
res = self.snk.data()
c1 = 0.9486832980
c2 = 0.3162277660
ref = ( complex(c1, -c2), \
complex(-c2, -c1), \
complex(c2, c1), \
complex(-c1, c2) )
self.assertComplexTuplesAlmostEqual(ref, res)
def test_001_t (self):
# this models 16-QAM mapping with 2 input streams
v0 = (0,0,0,1,1,0,1,1)
v1 = (0,1,1,1,0,0,1,0)
self.src0 = blocks.vector_source_b(v0, False, len(v0))
self.src1 = blocks.vector_source_b(v1, False, len(v1))
self.map = drm.qam_map_vbvc(self.tables.d_QAM16, 4, len(v0)/2, 2)
self.snk = blocks.vector_sink_c(len(v0)/2)
self.tb.connect(self.src0, (self.map, 0))
self.tb.connect(self.src1, (self.map, 1))
self.tb.connect(self.map, self.snk)
self.tb.run ()
# check data
res = self.snk.data()
c1 = 0.9486832980
c2 = 0.3162277660
ref = ( complex(c1, -c2), \
complex(-c2, -c1), \
complex(c2, c1), \
complex(-c1, c2) )
self.assertComplexTuplesAlmostEqual(ref, res)
def test_003_t (self):
# this models 64-QAM SM (only some constellation points) with 3 input streams
v0 = (0, 0, 0, 0, 1, 1, 1, 1)
v1 = (1, 1, 0, 0, 1, 0, 1, 1)
v2 = (1, 0, 0, 0, 0, 1, 1, 1)
self.src0 = blocks.vector_source_b(v0, False, len(v0))
self.src1 = blocks.vector_source_b(v1, False, len(v1))
self.src2 = blocks.vector_source_b(v2, False, len(v2))
self.map = drm.qam_map_vbvc(self.tables.d_QAM64SM, 6, len(v0)/2, 3)
self.snk = blocks.vector_sink_c(len(v0)/2)
self.tb.connect(self.src0, (self.map, 0))
self.tb.connect(self.src1, (self.map, 1))
self.tb.connect(self.src2, (self.map, 2))
self.tb.connect(self.map, self.snk)
self.tb.run()
res = self.snk.data()
c1 = 0.1543033499
c2 = 0.4629100498
c3 = 0.7715167498
c4 = 1.0801234497
ref = ( complex(-c3,c2), complex(c4,c4), complex(c1,-c2), complex(-c4,-c4) )
self.assertComplexTuplesAlmostEqual(ref, res)
def test_003_t(self):
# this models 64-QAM SM (only some constellation points) with 3 input streams
v0 = (0, 0, 0, 0, 1, 1, 1, 1)
v1 = (1, 1, 0, 0, 1, 0, 1, 1)
v2 = (1, 0, 0, 0, 0, 1, 1, 1)
self.src0 = blocks.vector_source_b(v0, False, len(v0))
self.src1 = blocks.vector_source_b(v1, False, len(v1))
self.src2 = blocks.vector_source_b(v2, False, len(v2))
self.map = drm.qam_map_vbvc(self.tables.d_QAM64SM, 6, len(v0) / 2, 3)
self.snk = blocks.vector_sink_c(len(v0) / 2)
self.tb.connect(self.src0, (self.map, 0))
self.tb.connect(self.src1, (self.map, 1))
self.tb.connect(self.src2, (self.map, 2))
self.tb.connect(self.map, self.snk)
self.tb.run()
res = self.snk.data()
c1 = 0.1543033499
c2 = 0.4629100498
c3 = 0.7715167498
c4 = 1.0801234497
ref = (complex(-c3, c2), complex(c4,
c4), complex(c1,
-c2), complex(-c4, -c4))
self.assertComplexTuplesAlmostEqual(ref, res)