时隙aloha的python代码实现
时间: 2023-07-23 08:04:11 浏览: 152
以下是简单的时隙aloha的Python代码实现:
```
import random
# 定义时隙长度及每个时隙内数据包的到达概率
SLOT_LENGTH = 1
PACKET_ARRIVAL_PROBABILITY = 0.6
# 模拟单个节点的发送行为
def transmitter():
if random.random() < PACKET_ARRIVAL_PROBABILITY:
return True
else:
return False
# 模拟多个节点的运行和数据包发送行为
def simulate(number_of_nodes):
number_of_packets_sent = 0
number_of_collisions = 0
# 模拟多个时隙
for i in range(SLOT_LENGTH):
nodes_transmitting = 0
# 模拟单个节点发送数据包
for j in range(number_of_nodes):
if transmitter():
nodes_transmitting += 1
# 如果有多个节点同时发送数据包,则发生碰撞
if nodes_transmitting > 1:
number_of_collisions += 1
elif nodes_transmitting == 1:
number_of_packets_sent += 1
return number_of_packets_sent, number_of_collisions
# 运行模拟并输出结果
number_of_nodes = 10
number_of_packets_sent, number_of_collisions = simulate(number_of_nodes)
print("Nodes: {}".format(number_of_nodes))
print("Packets sent: {}".format(number_of_packets_sent))
print("Collisions: {}".format(number_of_collisions))
```
上述代码使用随机概率模拟了每个节点在每个时隙内发送数据包的情况,并在多个节点同时发送数据包时发生碰撞。结果输出每个节点发送的数据包数量及碰撞次数。