System and method for anomaly detection for non-homogenous arrival rate

A method of anomaly detection for a communication network, comprising:

• receiving, by at least one first processor of at least one first network node, a plurality of calls from users of the communication network, the plurality of calls having a non-homogenous arrival rate that is defined by first arrival rate information;
• transforming, by the at least one first processor, the first arrival rate information into second arrival rate information, the second arrival rate information having a homogenous arrival rate;
• and
• detecting, by the at least one first processor, at least one first anomaly of the received plurality of calls using the second arrival rate information.