Communication control method and user terminal

Abstract

A communication control method includes receiving MDT (Minimization of Drive Test) information, by a user equipment that supports a cellular communication and a WLAN (Wireless Local Area Network) communication, from a base station included in a cellular network, performing, by the user equipment, WLAN measurement on a WLAN access point, and transmitting an MDT report message to the base station, by the user equipment, where the MDT report message includes information indicating location of the user equipment and information indicating WLAN measurement result of the WLAN access point. The WLAN measurement result includes an identifier of the WLAN access point and signal strength of the WLAN access point.

1 . A communication control method comprising:
 a step A of receiving MDT (Minimization of Drive Test) information, by a user equipment that supports a cellular communication and a WLAN (Wireless Local Area Network) communication, from a base station included in a cellular network;   a step B of performing, by the user equipment, WLAN measurement on a WLAN access point;   a step C of transmitting an MDT report message to the base station, by the user equipment, the MDT report message including information indicating location of the user equipment and information indicating WLAN measurement result of the WLAN access point; wherein   the WLAN measurement result includes an identifier of the WLAN access point and signal strength of the WLAN access point.   
     
     
         2 . The communication control method according to  claim 1 , wherein
 the MDT information includes WLAN measurement request information that requests measurement to the WLAN access point, and   the WLAN measurement request information includes an identifier identifying the WLAN access point.   
     
     
         3 . The communication control method according to  claim 1 , wherein
 in the step B, the user equipment performs the WLAN measurement on the WLAN access point in an idle state of the cellular communication,   the communication control method further comprises:   before the step C, storing the WLAN measurement result, by the user equipment in the idle state, wherein   in the step C, the user equipment transmits, the MDT report message including information indicating location of the user equipment and information indicating the stored WLAN measurement result of the WLAN access point, to the base station in response to a request from the base station.   
     
     
         4 . A user equipment supporting a cellular communication and a WLAN (Wireless Local Area Network) communication, comprising:
 a processor and a memory, wherein the processor is configured to execute processes of:   receiving MDT (Minimization of Drive Test) information from a base station included in a cellular network;   performing WLAN measurement on a WLAN access point;   transmitting an MDT report message to the base station, the MDT report message including information indicating location of the user equipment and information indicating WLAN measurement result of the WLAN access point; wherein   the WLAN measurement result includes an identifier of the WLAN access point and signal strength of the WLAN access point.   
     
     
         5 . An apparatus for controlling a user equipment supporting a cellular communication and a WLAN (Wireless Local Area Network) communication, the apparatus comprising:
 a processor and a memory, wherein the processor is configured to execute processes of:   receiving MDT (Minimization of Drive Test) information from a base station included in a cellular network;   performing WLAN measurement on a WLAN access point;   transmitting an MDT report message to the base station, the MDT report message including information indicating location of the user equipment and information indicating WLAN measurement result of the WLAN access point; wherein   the WLAN measurement result includes an identifier of the WLAN access point and signal strength of the WLAN access point.   
     
     
         6 . A base station comprising:
 a processor and a memory, wherein the processor is configured to execute processes of:   transmitting MDT (Minimization of Drive Test) information to a user equipment; and   receiving an MDT report message from the user equipment, the MDT report message including information indicating location of the user equipment and information indicating WLAN (Wireless Local Area Network) measurement result of a WLAN access point; wherein   the WLAN measurement result includes an identifier of the WLAN access point and signal strength of the WLAN access point.