def obtain_sigma(self, n, k):
if (self.type == Antenna.RRH_ID): #RRH
macro = self.near_macro(self._grid.bs_list)
dMue = util.dist(macro,
self.connected_ues[n]) #distancia rrh to user
dMn = 31.5 + 35.0 * math.log10(dMue) #pathloss
hRnk = 1 #channel gain
hMnk = 1 #channel gain
Pm = self.PMmax #pmax
b0 = self.B0 #bandwidth
N0 = util.sinr(
self.p[n][k], self.i[n][k], util.noise()
) # estimated power spectrum density of both the sum of noise and weak inter-RRH interference (in dBm/Hz)
dRue = util.dist(self, self.connected_ues[n]
) #distancia rrh to user#distancia rrh to user
dRn = 31.5 + 40.0 * math.log10(dRue)
return (dRn * hRnk) / (Pm * dMn * hMnk + b0 * N0)
else: #MACRO
dMue = util.dist(self,
self.connected_ues[n]) #distancia rrh to user
dMn = 31.5 + 35.0 * math.log10(dMue) #pathloss
hMnk = 1 #channel gain
b0 = self.B0 #bandwidth
N0 = util.sinr(
self.p[n][k], self.i[n][k], util.noise()
) # estimated power spectrum density of both the sum of noise and weak inter-RRH interference (in dBm/Hz)
#print dMn, hMnk, b0, N0
return (dMn * hMnk) / (b0 * N0)
def transmission_power(antenna, user, interferece):
R = util.dist(user, antenna)
if (antenna.type == antenna.BS_ID):
p = p_friis(antenna, interferece, util.noise(), threeGPP.HPN_T_GAIN,
threeGPP.UE_R_GAIN, R, threeGPP.WAVELENTH) #dBm
else:
p = p_friis(antenna, interferece, util.noise(), threeGPP.LPN_T_GAIN,
threeGPP.UE_R_GAIN, R, threeGPP.WAVELENTH) #dBm
return p
def arrow(draw, bbox, thickness=3, fill=(0, 255, 0), arrlen=50, arrang=0.5):
x1, y1, x2, y2 = bbox
xc, yc = x1 + (x2 - x1) / 2, y1 + (y2 - y1) / 2
bbox_pt = rand_bbox_point(bbox)
theta = angle((xc, yc), bbox_pt)
head = point(bbox_pt, theta, 20)
tail = point(bbox_pt, theta, 20 + arrlen)
draw.line([head, tail], fill=fill, width=thickness)
for ang in [arrang + theta, -arrang + theta]:
arrwing = point(head, ang, 20)
arrwing = (arrwing[0] + noise(10), arrwing[1] + noise(10))
draw.line([head, arrwing], fill=fill, width=thickness)
def rand_rb(self, particle, antenna, ue, grid):
roulette = numpy.zeros(shape=(threeGPP.TOTAL_RBS))
accumulated = 0
probMinimum = 1
for rb in range(0, threeGPP.TOTAL_RBS-1):
i = calc.power_interference(ue, rb, antenna, grid, particle)
power = calc.transmission_power(antenna, antenna.connected_ues[ue], i)
data = (util.shannon(threeGPP.B0, util.sinr(power, i, util.noise())))
#print "power", power
prob = (data/1048576)/util.dBm_to_watts(power)
#print prob
if prob > probMinimum:
accumulated = accumulated + prob
else:
accumulated = accumulated + probMinimum
roulette[rb] = accumulated
playmove = random.randint(0, int(accumulated))
for rb in range(0, threeGPP.TOTAL_RBS-1):
if playmove < roulette[rb]:
return rb
return rb
############################################
#### end-refactor
############################################
def datarate(antenna, particle=0):
antenna.datarate[particle] = 0
antenna.meet_users[particle] = 0
antenna.datarate_constraint[particle] = 0
if antenna.connected_ues != None:
antenna.user_datarate[particle] = numpy.zeros(
shape=(len(antenna.connected_ues)))
for n in range(0, len(antenna.connected_ues)):
for k in range(0, threeGPP.TOTAL_RBS):
data_bits = (util.shannon(
(antenna.a[particle][n][k] * threeGPP.B0),
util.sinr(
antenna.p[particle][n][k], antenna.i[particle][n][k],
util.noise()))) / 2000 #Qnt de bits em 0,5 ms
antenna.datarate[particle] += data_bits
antenna.user_datarate[particle][n] += data_bits
if antenna.connected_ues[n]._type == antenna.connected_ues[
n].HIGH_RATE_USER:
if (antenna.user_datarate[particle, n] < threeGPP.NER):
antenna.datarate_constraint[particle] += (
antenna.user_datarate[particle, n] - threeGPP.NR)
else:
antenna.meet_users[particle] += 1
else:
if (antenna.user_datarate[particle, n] < threeGPP.NER):
antenna.datarate_constraint[particle] += (
antenna.user_datarate[particle, n] - threeGPP.NER)
else:
antenna.meet_users[particle] += 1
def power_calc(self, arb, user, particle, grid):
antenna_index = int(arb/Antenna.TOTAL_RBS)
antenna = grid.antennas[antenna_index]
ue = grid.users[user]
R = util.dist(ue, antenna)
p = util.p_friis(antenna,self.i_particles[particle, user, arb], util.noise(), Antenna.T_GAIN, Antenna.R_GAIN, R, Antenna.WAVELENTH) #dBm
return p
def circle(draw, bbox, thickness=4, loops=2, fill=(255, 0, 0)):
"""draw a 'handdrawn' ellipse around a bounding box"""
offset = 0
x1, y1, x2, y2 = bbox
w, h = x2 - x1, y2 - y1
x_c, y_c = x1 + w / 2, y1 + h / 2
rot = noise(0.6)
a, b = w, h
for loop in range(loops):
for r in np.arange(0, 2 * pi + random.random(), 1 / (max(w, h))):
offset += noise()
for i in range(thickness):
x, y = ellipse_pt(r, x_c, y_c, a + i + offset, b + i + offset,
rot)
draw.point((x, y), fill=fill)
a, b = a + 1, b + 1
def layout(images, canvas, shakiness=0):
"""compute image layout;
this doesn't guarantee that every image will be included!
this resizes overflowing images to fit.
"""
to_place = []
ims = [im.im for im in images]
packed = pack(ims, canvas)
for img, pos in zip(images, packed):
pos = (round(pos[0] + util.noise(shakiness)),
round(pos[1] + util.noise(shakiness)))
if pos[0] + img.size[0] > config.SIZE[
0] or pos[1] + img.size[1] > config.SIZE[1]:
# compute overflow
new_size = (config.SIZE[0] - pos[0], config.SIZE[1] - pos[1])
img.resize_to_limit(new_size)
to_place.append((img, pos))
return to_place
def underline_and_crop_bbox(img, bbox, margin=(140, 60), shakiness=8):
draw = ImageDraw.Draw(img)
bx1, by1, bx2, by2 = bbox
x1 = bx1 + noise(shakiness)
y1 = by2 + noise(shakiness)
x2 = bx2 + noise(shakiness)
y2 = by2 + noise(shakiness)
link(draw, (x1, y1), (x2, y2))
cx1 = round(bx1 - margin[0] + noise(shakiness))
cy1 = round(by1 - margin[1] + noise(shakiness))
cx2 = round(bx2 + margin[0] + noise(shakiness))
cy2 = round(by2 + margin[1] + noise(shakiness))
# trim to fit
return img.crop((cx1, cy1, cx2, cy2)).copy()
def link(draw, frm, to, thickness=4, shakiness=0.4, fill=(255, 0, 0)):
"""draw a 'handdrawn' line connecting two points"""
offset = 0
eps = 0.0001
x_1, y_1 = frm
x_2, y_2 = to
m = (y_2 - y_1) / (x_2 - x_1 + eps)
b = y_1 - (m * x_1)
for x in np.arange(x_1, x_2, 0.05):
offset += noise(shakiness)
for i in range(thickness):
y = m * x + b
if m < 0.1:
y += i
x_ = x
else:
x_ = x + i + offset
draw.point((x_, y), fill=fill)
def rand_user(self, particle, antenna_index, antenna, arb, covered_users, prob_zero, grid):
#prob_zero = 0
databitsPerUser = numpy.zeros(shape=(len(antenna.connected_ues)))
totalUes = len(antenna.connected_ues)
#for ue in range (covered_users+1, totalUes):
# self.datarate_user_particles[particle, ue] = 0
#for rb in range(0, Antenna.TOTAL_RBS):# Loop de K * M para preencher A
#arb = (antenna_index*Antenna.TOTAL_RBS-1)+rb
#user = numpy.argmax(self.a_particles[particle, :, arb])
#if self.a_particles[particle, user, arb] > 0:
#data_bits = (util.shannon((self.a_particles[particle, user, arb] * Antenna.B0), util.sinr(self.p_particles[particle, user, arb], self.i_particles[particle, user, arb], util.noise())))/2000#Qnt de bits em 0,5 ms
#self.datarate_user_particles[particle, user] += data_bits
#covered_users = self.covered_users_calc(grid.antennas, antenna_index)
probPerUser = numpy.ones(shape=(len(antenna.connected_ues)))
sum_prob = 0
#print "Covered_users", covered_users,
for ue in range(0, len(antenna.connected_ues)):
user = ue + covered_users + 1
self.i_particles[particle, user, arb] = self.interference_calc(arb, user, particle, grid)
self.p_particles[particle, user, arb] = self.power_calc(arb, user, particle, grid)
probPerUser[ue] = sum_prob + (util.shannon((1 * Antenna.B0), util.sinr(self.p_particles[particle, user, arb], self.i_particles[particle, user, arb], util.noise())))/2000#Qnt de bits em 0,5 ms
# if grid.users[user]._type == User.HIGH_RATE_USER:
# if(self.datarate_user_particles[particle, user] < Antenna.NR):
# probPerUser[ue] = sum_prob + (Antenna.NR - self.datarate_user_particles[particle, user])
# else:
# if(self.datarate_user_particles[particle, user] < Antenna.NER):
# probPerUser[ue] = sum_prob + (Antenna.NER - self.datarate_user_particles[particle, user])
sum_prob = probPerUser[ue]
rand = random.randint(int(covered_users-prob_zero), int(covered_users+sum_prob))
if rand > covered_users:
for ue in range (0, totalUes):
if rand <= probPerUser[ue]:
#print "return", ue
return covered_users + 1 + ue
else:
#print "return", rand
return rand
def data_rate_and_power_consumption_calc(self, particle, grid):
self.datarate_user_particles[particle] = numpy.zeros(shape=(len(grid.users)))
self.consumption_antenna_particles[particle] = numpy.zeros(shape=(len(grid.antennas)))
datarate_particle = 0
consumption_particle = 0
previous_antennas = 0
previous_consumption = 0
for arb in range(0, Antenna.TOTAL_RBS*len(grid.antennas)):# Loop de K * M para preencher A
antenna_index = int(arb/Antenna.TOTAL_RBS)
antenna = grid.antennas[antenna_index]# Identifica antena
user = numpy.argmax(self.a_particles[particle, :, arb])
if self.a_particles[particle, user, arb] > 0:
#DATA RATE
data_bits = (util.shannon((self.a_particles[particle, user, arb] * Antenna.B0), util.sinr(self.p_particles[particle, user, arb], self.i_particles[particle, user, arb], util.noise())))/2000#Qnt de bits em 0,5 ms
self.datarate_user_particles[particle, user] += data_bits
#print "Data User: ", str(numpy.matrix(self.datarate_user_particles[particle]))
datarate_particle += data_bits
previous_consumption += util.dBm_to_watts(self.a_particles[particle, user, arb] * self.p_particles[particle, user, arb])
#POWER CONSUMPTION
next_arb_antenna = int((arb+1)/Antenna.TOTAL_RBS)
if next_arb_antenna > antenna_index or arb == (Antenna.TOTAL_RBS*len(grid.antennas))-1:
if (antenna.type == Antenna.BS_ID):
self.consumption_antenna_particles[particle, antenna_index] = (Antenna.MEFF * previous_consumption) + Antenna.PMC + Antenna.PMBH
else:
self.consumption_antenna_particles[particle, antenna_index] = (Antenna.EFF * previous_consumption) + Antenna.PMC + Antenna.PMBH
consumption_particle += self.consumption_antenna_particles[particle, antenna_index]
previous_consumption = 0
self.datarate_particles[particle] = self.list_append(self.datarate_particles[particle], datarate_particle)
self.consumption_particles[particle] = self.list_append(self.consumption_particles[particle], consumption_particle)
