Radio network performance monitoring method, radio communication system, device, and its program

A radio communication system for providing a communication service to a radio communication terminal operated by a user, comprising:

• a quality measuring unit for measuring a radio connection quality during communication of a radio communication termination;
• a deterioration information detector for deciding the presence or absence of quality deterioration based on information indicating qualities measured by said quality measuring unit and detecting deterioration information based on decision results on the presence or absence of said quality deterioration;
• a call state detector for detecting the beginning and termination of communication of said radio communication terminal or a cause of termination indicating whether or not termination has occurred due to a user's operation;
• a termination cause decision unit for deciding a termination cause detected by said call state detector in communication termination and deciding whether or not said communication termination is a voluntary communication termination by a user due to communication quality deterioration, using deterioration information detected by said deterioration information detector when said termination has occurred due to a user's operation;
• and
• a summation unit for summarizing the number of occurrences of voluntary communication termination by a user due to communication quality deterioration, based on decision results by said causal relation decision unit.

A radio communication system, comprising:

• a radio communication terminal operated by a user;
• and
• a radio network controller connected to said radio communication terminal via a radio communication network;
• said radio communication terminal including:
• a quality measuring unit for measuring a radio connection quality during communication of said radio communication terminal;
• a deterioration information detector for deciding the presence or absence of quality deterioration based on information indicating the quality measured by said quality measuring unit and detecting deterioration information based on decision results of the presence or absence of said quality deterioration;
• a call state detector for detecting the beginning and termination of communication of a radio communication terminal or a termination cause indicating whether or not termination has occurred due to a user's operation;
• a termination cause decision unit deciding a cause of termination detected by said call state detector in communication termination and deciding whether or not said termination is a voluntary communication termination by a user due to quality deterioration of communication, using deterioration information detected by said deterioration information detector when termination has occurred due to a user's operation;
• and
• a counter unit for counting the number of occurrences of voluntary communication termination by a user due to communication quality deterioration based on decision results by said causal relation decision unit;
• said radio network controller including:
• a summation display unit for summarizing and displaying the number of occurrences of voluntary communication termination by user due to communication quality deterioration in each radio communication terminal.

A radio communication system, comprising:

• a radio communication terminal operated by a user;
• a radio base station controller for controlling a radio base station for establishing a bi-directional radio link to said radio communication terminal and a radio network management unit at least connected to said radio base station controller via a radio communication network;
• said radio base station controller including:
• a quality measuring unit for measuring a radio connection quality of said radio communication terminal during communication of said radio communication terminal belonging to said radio station to be controlled;
• a deterioration information detector for deciding the presence or absence of quality deterioration based on information indicating the quality measured by said quality measuring unit and detecting deterioration information based on decision results on the presence or absence of said quality deterioration;
• a call state detector for detecting the beginning and termination of communication of a radio communication terminal or a termination cause indicating whether or not termination has occurred due to a user's operation;
• a termination cause decision unit for deciding a termination cause of communication detected by said call state detector in communication termination of said radio communication terminal and deciding whether or not said termination is a voluntary communication termination by a user due to communication quality deterioration, using deterioration information detected by said deterioration information detector when said termination has occurred due to a user's operation;
• and
• a counter for counting the number of occurrences of voluntary communication termination by a user due to quality deterioration of communication based on decision results by said causal relation decision unit;
• said radio network controller including:
• a summation display unit for summarizing and displaying the number of occurrences of voluntary communication termination by user due to communication quality deterioration in each radio communication terminal counted by said radio base station controller.

A radio communication terminal in a radio communication system, which is operated by a user, comprising:

• a quality measuring unit for measuring a radio connection quality of said radio communication terminal during communication of said radio communication terminal;
• a deterioration information detector for deciding the presence or absence of quality deterioration based on information indicating the quality measured by said quality measuring unit and detecting deterioration information based on decision results on the presence or absence of said quality deterioration;
• a call state detector for detecting the beginning and termination of communication of a radio communication terminal or a termination cause indicating the presence or absence of termination caused by a user's operation;
• a termination cause decision unit for deciding a termination cause of communication detected by said call state detector in communication termination and deciding whether or not termination is a voluntary communication termination by a user due to communication quality deterioration, using deterioration information detected by said deterioration information detector when termination has occurred due to a user's operation;
• and
• a counter for counting the number of occurrences of voluntary communication termination by a user due to communication quality deterioration based on decision results by said causal relation decision unit.

A radio control base station for controlling a radio base station that establishes a bi-directional radio link to a radio communication terminal operated by a user in a radio communication system, said radio control base station comprising:

• a call state detector for detecting the beginning and termination of communication of a radio communication terminal belonging to a radio base station to be controlled or a termination cause indicating whether or not termination has occurred a user's operation;
• a quality measuring unit for measuring a radio connection quality in said radio communication terminal during communication of said radio communication terminal;
• a deterioration information detector for deciding the presence or absence of quality deterioration based on information indicating the quality measured by said quality measuring unit and detecting deterioration information based on decision results on the presence or absence of said quality deterioration;
• a termination cause decision unit for deciding a termination of communication detected by said call state detector in communication termination of said radio communication terminal and deciding whether or not termination is voluntary communication termination by a user due to communication quality deterioration, using deterioration information detected by said deterioration information detector when termination has occurred due to a user's operation;
• and
• a counter for counting the number of occurrences of voluntary communication termination by a user due to communication quality deterioration based on decision results by said causal relation decision unit.

A radio network performance monitoring program suitably applied to a radio communication terminal operated by a user in a radio communication system, said program directing a computer to execute the steps of:

• detecting the beginning and termination of communication and a termination cause indicating whether or not termination has occurred due to a user's operation;
• measuring a radio connection quality during communication;
• deciding the presence or absence of the quality deterioration based on information indicating a measured quality and detecting deterioration information based on the decision results on the presence or absence of said quality deterioration;
• deciding said cause of termination in communication termination and deciding whether or not said termination is a voluntary communication termination by a user due to communication quality deterioration, using said deterioration information when said termination is caused by a user's operation;
• and
• counting the number of occurrences of termination performed voluntarily by a user due to communication quality deterioration.

A radio network performance monitoring program suitably applied to a radio base station controller that controls a radio base station establishing a bi-directional radio link to a radio communication terminal operated by a user in a radio communication system, said program directing a computer to execute the steps of:

• detecting the beginning and termination of communication of a radio communication terminal belonging to a radio base station to be controlled or a termination cause indicating whether or not termination has caused by a user's operation;
• measuring a radio connection quality of said radio communication terminal during communication of said radio communication terminal;
• deciding the presence or absence of the quality deterioration based on information indicating quality and detecting deterioration information based on the decision results on the presence or absence of said quality deterioration;
• deciding said cause of termination in communication termination of said radio communication terminal and deciding whether or not termination is a voluntary communication termination by a user due to communication quality deterioration, using said deterioration information when said termination has caused by a user's operation;
• and
• counting the number of occurrences of termination performed voluntarily by a user due to communication quality deterioration.