Implement an Erlang-B program, and calculate the offered traffic load for Channel number: 1~20, 200~220 Blocking rate: 1 , 3 , 5 , 10 -Implement an Erlang-B program, and calculate the offered traffic load for Channel number: 1~20, 200~220

D2D控制信道代码，包括通信模型构建，资源池确定，traffic分配，资源分配，SINR及throughput的计算-D2D channel code, including communications modeling, resource pool determines, traffic assignment, resource allocation, SINR and throughput computing