Terminal device, base station device, method, and recording medium

Abstract

A terminal device includes: an acquisition unit that acquires first control information and second control information provided in notification from a base station device; and a reception processing unit that performs reception processing of a first data channel scheduled to a first resource, and a reference signal for demodulating the first data channel, on the basis of the first control information, in which the reception processing unit performs the reception processing of the first data channel mapped to a resource other than a second resource that is a part of the first resource in the first resource on the basis of the second control information on the assumption that the reference signal is mapped to the first resource including the second resource.

1 . A terminal device comprising:
 an acquisition unit that acquires first control information and second control information provided in notification from a base station device; and   a reception processing unit that performs reception processing of a first data channel scheduled to a first resource, and a reference signal for demodulating the first data channel, on a basis of the first control information,   wherein the reception processing unit performs the reception processing of the first data channel mapped to a resource other than a second resource that is a part of the first resource in the first resource on a basis of the second control information on an assumption that the reference signal is mapped to the first resource including the second resource.   
     
     
         2 . The terminal device according to  claim 1 , wherein a second data channel scheduled to another terminal device that communicates with the base station device is mapped to the second resource. 
     
     
         3 . The terminal device according to  claim 1 , wherein the second control information is transmitted at a time later than the first control information. 
     
     
         4 . A terminal device comprising:
 an acquisition unit that acquires third control information provided in notification from a base station device; and   a reception processing unit that performs reception processing of a second data channel scheduled to a second resource that is a part of a first resource on a basis of the third control information,   wherein the reception processing unit performs the reception processing on an assumption that the second data channel is mapped to a resource other than a third resource that is a part of the second resource in the second resource.   
     
     
         5 . The terminal device according to  claim 4 , wherein the third resource includes a fourth resource to which a reference signal for demodulating a first data channel mapped to a resource other than the second resource in the first resource is mapped. 
     
     
         6 . The terminal device according to  claim 4 ,
 wherein the acquisition unit acquires fourth control information provided in notification from the base station device, and   the fourth control information indicates the third resource.   
     
     
         7 . The terminal device according to  claim 4 , wherein a subcarrier spacing of the third resource is the same as a subcarrier spacing used for transmission of a predetermined synchronization signal, a predetermined reference signal, or a broadcast channel. 
     
     
         8 . The terminal device according to  claim 4 , wherein the third resource is predefined. 
     
     
         9 . The terminal device according to  claim 5 , wherein the subcarrier spacing of the third resource is the same as a subcarrier spacing of the fourth resource. 
     
     
         10 . The terminal device according to  claim 5 , wherein the subcarrier spacing of the third resource is different from a subcarrier spacing of the fourth resource. 
     
     
         11 . The terminal device according to  claim 4 , wherein the reception processing unit gives CSI feedback on a basis of the assumption. 
     
     
         12 . A base station device comprising:
 a notification unit that notifies a first terminal device of first control information associated with a first resource for the first terminal device, and second control information associated with a second resource for a second terminal device that is a part of the first resource;   a data channel transmission unit that maps a first data channel to a resource other than the second resource in the first resource while scheduling the first data channel to the first resource; and   a reference signal transmission unit that maps a reference signal for demodulating the first data channel to the first resource including the second resource.   
     
     
         13 . A base station device comprising:
 a notification unit that notifies a second terminal device of third control information associated with a second resource for the second terminal device that is a part of a first resource for a first terminal device; and   a data channel transmission unit that maps a second data channel to a resource other than a third resource that is a part of the second resource in the second resource while scheduling the second data channel to the second resource.   
     
     
         14 . A method comprising:
 acquiring first control information and second control information provided in notification from a base station device; and   performing, by a processor, reception processing of a first data channel scheduled to a first resource, and a reference signal for demodulating the first data channel, on a basis of the first control information,   wherein the performing the reception processing includes performing the reception processing of the first data channel mapped to a resource other than a second resource that is a part of the first resource in the first resource on a basis of the second control information on an assumption that the reference signal is mapped to the first resource including the second resource.   
     
     
         15 . A method comprising:
 acquiring third control information provided in notification from a base station device; and   performing, by a processor, reception processing of a second data channel scheduled to a second resource that is a part of a first resource, on a basis of the third control information,   wherein the performing the reception processing includes performing the reception processing on an assumption that the second data channel is mapped to a resource other than a third resource that is a part of the second resource in the second resource.   
     
     
         16 . A method comprising:
 notifying a first terminal device of first control information associated with a first resource for the first terminal device, and second control information associated with a second resource for a second terminal device that is a part of the first resource;   mapping, by a processor, a first data channel to a resource other than the second resource in the first resource while scheduling the first data channel to the first resource; and   mapping a reference signal for demodulating the first data channel to the first resource including the second resource.   
     
     
         17 . A method comprising:
 notifying a second terminal device of third control information associated with a second resource for the second terminal device that is a part of a first resource for a first terminal device; and   mapping, by a processor, a second data channel to a resource other than a third resource that is a part of the second resource in the second resource while scheduling the second data channel to the second resource.   
     
     
         18 . A recording medium in which a program is recorded for causing a computer to function as:
 an acquisition unit that acquires first control information and second control information provided in notification from a base station device; and   a reception processing unit that performs reception processing of a first data channel scheduled to a first resource, and a reference signal for demodulating the first data channel, on a basis of the first control information,   wherein the reception processing unit performs the reception processing of the first data channel mapped to a resource other than a second resource that is a part of the first resource in the first resource on a basis of the second control information on an assumption that the reference signal is mapped to the first resource including the second resource.   
     
     
         19 . A recording medium in which a program is recorded for causing a computer to function as:
 an acquisition unit that acquires third control information provided in notification from a base station device; and   a reception processing unit that performs reception processing of a second data channel scheduled to a second resource that is a part of a first resource, on a basis of the third control information,   wherein the reception processing unit performs the reception processing on an assumption that the second data channel is mapped to a resource other than a third resource that is a part of the second resource in the second resource.   
     
     
         20 . A recording medium in which a program is recorded for causing a computer to function as:
 a notification unit that notifies a first terminal device of first control information associated with a first resource for the first terminal device, and second control information associated with a second resource for a second terminal device that is a part of the first resource;   a data channel transmission unit that maps a first data channel to a resource other than the second resource in the first resource while scheduling the first data channel to the first resource; and   a reference signal transmission unit that maps a reference signal for demodulating the first data channel to the first resource including the second resource.   
     
     
         21 . A recording medium in which a program is recorded for causing a computer to function as:
 a notification unit that notifies a second terminal device of third control information associated with a second resource for the second terminal device that is a part of a first resource for a first terminal device; and   a data channel transmission unit that maps a second data channel to a resource other than a third resource that is a part of the second resource in the second resource while scheduling the second data channel to the second resource.