def test_computeFssBlocking(self):
# Mock things propag and FSS antenna. -70dBm at 30km
wf_itm.CalcItmPropagationLoss = testutils.FakePropagationPredictor(
dist_type='REAL', factor=1.0, offset=70 - 30.0)
antenna.GetFssAntennaGains = mock.create_autospec(
antenna.GetFssAntennaGains, return_value=2.8)
# Create FSS and a CBSD at 30km
fss_point, fss_info, _ = data.getFssInfo(TestAggInterf.fss_record)
fss_freq_range = (3650e6, 3750e6)
cbsd_lat, cbsd_lon, _ = vincenty.GeodesicPoint(fss_point[1],
fss_point[0], 30, 0)
cbsd = entities.CBSD_TEMPLATE_CAT_A_OUTDOOR._replace(
latitude=cbsd_lat, longitude=cbsd_lon)
grant = entities.ConvertToCbsdGrantInfo([cbsd], 3640, 3680)[0]
constraint = data.ProtectionConstraint(
fss_point[1], fss_point[0], 3550e6, fss_freq_range[0],
data.ProtectedEntityType.FSS_BLOCKING)
itf = interf.computeInterferenceFssBlocking(grant, constraint,
fss_info, grant.max_eirp)
self.assertAlmostEqual(
itf,
20 + # EIRP/MHZ
10 + # 10MHz effective bandwidth
-70 # pathloss
+ 2.8 # FSS antenna gain
- 3.1634, # FSS mask loss for adjacent 10MHz
4)
def test_movelist_oob_purge_catb(self):
np.random.seed(1248)
# Configuring for -144dBm circle at 20km for OOB power -3dBm/10MHz
wf_itm.CalcItmPropagationLoss = testutils.FakePropagationPredictor(
dist_type='REAL',
factor=1.0,
offset=(144 + (-13 + 10 + 8) - 0.1) - 20.0)
point = ProtectionPoint(latitude=36.815, longitude=-76.292)
# Within move list for power
grants = entities.ConvertToCbsdGrantInfo(entities.GenerateCbsdList(
1,
template_cbsd=entities.CBSD_TEMPLATE_CAT_B_OMNI,
ref_latitude=36.815,
ref_longitude=-76.292,
min_distance_km=19.97,
max_distance_km=19.98),
min_freq_mhz=3550,
max_freq_mhz=3570,
chunks_mhz=5)
move_grants, nbor_grants = move_list.moveListConstraint(
point, 3540e6, 3550e6, grants, 50, 2000, -144, 3,
(150, 200, 0, 25))
self.assertListEqual(nbor_grants, grants)
self.assertListEqual(move_grants, grants)
# However only using the last 2 would be out of move list
grants = grants[2:]
move_grants, nbor_grants = move_list.moveListConstraint(
point, 3540e6, 3550e6, grants, 50, 2000, -144, 3,
(150, 200, 0, 25))
self.assertListEqual(nbor_grants, grants)
self.assertListEqual(move_grants, [])
# Slightly lower than the cutoff power -> none in move list
grants = entities.ConvertToCbsdGrantInfo(entities.GenerateCbsdList(
1,
template_cbsd=entities.CBSD_TEMPLATE_CAT_B_OMNI,
ref_latitude=36.815,
ref_longitude=-76.292,
min_distance_km=20.1,
max_distance_km=20.2),
min_freq_mhz=3550,
max_freq_mhz=3570,
chunks_mhz=5)
move_grants, nbor_grants = move_list.moveListConstraint(
point, 3540e6, 3550e6, grants, 50, 2000, -144, 3,
(150, 200, 0, 25))
self.assertListEqual(nbor_grants, grants)
self.assertListEqual(move_grants, [])
def test_ClippedPpaByCensus(self):
# Configuring for -96dBm circle above 40km
wf_hybrid.CalcHybridPropagationLoss = testutils.FakePropagationPredictor(
dist_type='REAL', factor=1.0, offset=(96+30-0.1) - 45.0)
expected_ppa = sgeo.Polygon([(-80.3, 30.3), (-80.7, 30.3),
(-80.7, 30.7), (-80.3, 30.7)])
ppa_zone = ppa.PpaCreationModel(TestPpa.devices, TestPpa.pal_records)
ppa_zone = json.loads(ppa_zone)
self.assertAlmostSamePolygon(
utils.ToShapely(ppa_zone), expected_ppa, 0.001)
def test_ClippedPpaByCensusWithSmallHoles(self):
# Configuring for -96dBm circle above 40km
wf_hybrid.CalcHybridPropagationLoss = testutils.FakePropagationPredictor(
dist_type='REAL', factor=1.0, offset=(96+30-0.1) - 45.0)
ppa_zone = ppa.PpaCreationModel(TestPpa.devices[1:], TestPpa.pal_records[1:])
ppa_zone = json.loads(ppa_zone)
census_zone = utils.ToShapely(
drive.census_tract_driver.GetCensusTract('06027000100')
['features'][0]['geometry'])
self.assertTrue(utils.ToShapely(ppa_zone).buffer(-1e-6).within(census_zone))
def test_SimplePpaCircle(self):
# Configuring for -96dBm circle at 16km includes
wf_hybrid.CalcHybridPropagationLoss = testutils.FakePropagationPredictor(
dist_type='REAL', factor=1.0, offset=(96+30-0.1) - 16.0)
expected_ppa = sgeo.Polygon(
[vincenty.GeodesicPoint(
TestPpa.devices[0]['installationParam']['latitude'],
TestPpa.devices[0]['installationParam']['longitude'],
dist_km=16.0, bearing=angle)[1::-1] # reverse to lng,lat
for angle in xrange(360)])
ppa_zone = ppa.PpaCreationModel(TestPpa.devices, TestPpa.pal_records)
ppa_zone = json.loads(ppa_zone)
self.assertAlmostSamePolygon(
utils.ToShapely(ppa_zone), expected_ppa, 0.001)
def test_movelist_single_grant(self):
np.random.seed(1248)
# Configuring for -144dBm circle at 20km
wf_itm.CalcItmPropagationLoss = testutils.FakePropagationPredictor(
dist_type='REAL', factor=1.0, offset=(144 + 30 - 0.1) - 20.0)
point = ProtectionPoint(latitude=36.815, longitude=-76.292)
# Within the move list
grants = entities.ConvertToCbsdGrantInfo(entities.GenerateCbsdList(
1,
template_cbsd=entities.CBSD_TEMPLATE_CAT_A_OUTDOOR,
ref_latitude=36.815,
ref_longitude=-76.292,
min_distance_km=19.97,
max_distance_km=19.98),
min_freq_mhz=3600,
max_freq_mhz=3610)
move_grants, nbor_grants = move_list.moveListConstraint(
point, 3600e6, 3610e6, grants, 50, 2000, -144, 3,
(150, 200, 0, 25))
self.assertListEqual(nbor_grants, grants)
self.assertListEqual(move_grants, grants)
# Outside the move list
grants = entities.ConvertToCbsdGrantInfo(entities.GenerateCbsdList(
1,
template_cbsd=entities.CBSD_TEMPLATE_CAT_A_OUTDOOR,
ref_latitude=36.815,
ref_longitude=-76.292,
min_distance_km=20.1,
max_distance_km=20.2),
min_freq_mhz=3600,
max_freq_mhz=3610)
move_grants, nbor_grants = move_list.moveListConstraint(
point, 3600e6, 3610e6, grants, 50, 2000, -144, 3,
(150, 200, 0, 25))
self.assertListEqual(nbor_grants, grants)
self.assertListEqual(move_grants, [])