Base station apparatus, mobile terminal apparatus and communication control method

Abstract

A base station apparatus capable of transmitting a downlink transmission frame at transmission timing different from another base station apparatus is provided. The base station apparatus includes a blank resource setting section that sets, as a blank resource, a resource corresponding to a downlink control channel included in a downlink transmission frame transmitted from the other base station apparatus, a user data assigning section that assigns user data to the downlink transmission frame while avoiding the blank resource, and a transmission section that transmits the downlink transmission frame assigned the user data to a mobile terminal apparatus.

What is claimed is: 
     
         1 . Abase station apparatus capable of transmitting a downlink transmission frame at transmission timing different from another base station apparatus, the base station apparatus comprising:
 a blank resource setting section that sets, as a blank resource, a resource corresponding to a downlink control channel included in a downlink transmission frame transmitted from the other base station apparatus;   a user data assigning section that assigns user data to the downlink transmission frame while avoiding the blank resource; and   a transmission section that transmits the downlink transmission frame assigned the user data to a mobile terminal apparatus.   
     
     
         2 . The base station apparatus according to  claim 1 , wherein the blank resource setting section sets the blank resource based on a shift amount of transmission timing of the downlink transmission frame with respect to the downlink transmission frame of the other base station apparatus. 
     
     
         3 . The base station apparatus according to  claim 2 , wherein the blank resource setting section sets the blank resource based on a set position of a blank period acquired from the other base station apparatus, in addition to the shift amount. 
     
     
         4 . The base station apparatus according to  claim 1 , wherein the blank resource setting section sets, as the blank resource, a resource corresponding to the downlink control channel in a subframe consisting of the downlink control channel and a blank period in the downlink transmission frame transmitted from the other base station apparatus. 
     
     
         5 . A mobile terminal apparatus connected to a base station apparatus capable of transmitting a downlink transmission frame at transmission timing different from another base station apparatus, the mobile terminal apparatus comprising:
 a blank resource information acquiring section that acquires blank resource information to identify a resource corresponding to a downlink control channel included in a downlink transmission frame transmitted from the other base station apparatus, as a blank resource set in the base station apparatus; and   a user data demodulation section that demodulates user data received from the base station apparatus while avoiding the blank resource, based on the blank resource information.   
     
     
         6 . The mobile terminal apparatus according to  claim 5 , wherein the blank resource information is a shift amount of transmission timing of the downlink transmission frame with respect to the downlink transmission frame from the other base station apparatus. 
     
     
         7 . A communication control method in a base station apparatus capable of transmitting a downlink transmission frame at transmission timing different from another base station apparatus, the communication control method comprising:
 setting, as a blank resource, a resource corresponding to a downlink control channel included in a downlink transmission frame transmitted from the other base station apparatus;   assigning user data to the downlink transmission frame while avoiding the blank resource; and   transmitting the downlink transmission frame assigned the user data to a mobile terminal apparatus.