diff --git a/py/poisson_generator.py b/py/poisson_generator.py
new file mode 100644
index 0000000..48db27d
--- /dev/null
+++ b/py/poisson_generator.py
@@ -0,0 +1,37 @@
+#%%
+import random
+from math import log
+import matplotlib.pyplot as plt
+
+class PoissonProcess():
+  def __init__(self, **kwargs):
+    self.lam = kwargs.get("lam", 5) # rate
+    self.size = kwargs.get("size", 100)
+
+  def generate(self):
+    _time = 0
+    events = []
+    for i in range(self.size):
+      p = random.random()
+
+      _interval = - log(1-p) / self.lam
+      _time = _time + _interval
+
+      events.append(_time)
+    return events
+
+#1 (events)
+poi = PoissonProcess(lam = 5).generate()
+print(poi)
+
+#matplotlib: x=index, y=poi[index]
+plt.plot(range(100),poi)
+
+
+#2 (points)
+import numpy as np
+poi = np.random.poisson(5,100)
+plt.plot(poi)
+
+plt.show()
+#%%

diff --git a/py/poisson_generator.py b/py/poisson_generator.py
new file mode 100644
index 0000000..48db27d
--- /dev/null
+++ b/py/poisson_generator.py
@@ -0,0 +1,37 @@
+#%%
+import random
+from math import log
+import matplotlib.pyplot as plt
+
+class PoissonProcess():
+  def __init__(self, **kwargs):
+    self.lam = kwargs.get("lam", 5) # rate
+    self.size = kwargs.get("size", 100)
+
+  def generate(self):
+    _time = 0
+    events = []
+    for i in range(self.size):
+      p = random.random()
+
+      _interval = - log(1-p) / self.lam
+      _time = _time + _interval
+
+      events.append(_time)
+    return events
+
+#1 (events)
+poi = PoissonProcess(lam = 5).generate()
+print(poi)
+
+#matplotlib: x=index, y=poi[index]
+plt.plot(range(100),poi)
+
+
+#2 (points)
+import numpy as np
+poi = np.random.poisson(5,100)
+plt.plot(poi)
+
+plt.show()
+#%%
diff --git a/py/transmit.py b/py/transmit.py
new file mode 100644
index 0000000..a1234b0
--- /dev/null
+++ b/py/transmit.py
@@ -0,0 +1,57 @@
+
+class Sender():
+  def __init__(self, *args, **kwargs):
+    super().__init__(*args, **kwargs)
+
+  def encode(self):
+    pass
+
+class NBackSender(Sender):
+  def __init__(self, *args, **kwargs):
+    super().__init__(*args, **kwargs)
+
+class Receiver():
+  def __init__(self, *args, **kwargs):
+    super().__init__(*args, **kwargs)
+
+  def decode(self):
+    pass
+
+class NBackReceiver(Receiver):
+  def __init__(self, *args, **kwargs):
+    super().__init__(*args, **kwargs)
+
+class Channel():
+  def __init__(self, *args, **kwargs):
+    super().__init__(*args, **kwargs)
+
+  def transmit(self):
+    pass
+
+  def add_noise(self):
+    pass
+
+
+class Message():
+  def __init__(self, *args, **kwargs):
+    super().__init__(*args, **kwargs)
+
+
+class CodeBook():
+  def __init__(self, *args, **kwargs):
+    super().__init__(*args, **kwargs)
+
+class Transmission():
+  def __init__(self, sender, channel, receiver, noise_lambda=2):
+    pass
+  
+  def run(self, times=100):
+    pass
+
+
+if __name__ == "__main__":
+    sender = NBackSender()
+    receiver = NBackReceiver()
+    channel = Channel()
+    transmission = Transmission(sender, channel, receiver)
+    transmission.run(times=1000)