Method for measurement and report of channel state information for network cooperative communication

Abstract

The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The disclosure relates to a method for processing a control signal in a wireless communication system, and relates to a control signal processing method including: receiving a first control signal transmitted from the base station; processing the received first control signal; and transmitting a second control signal generated based on the processing to the base station.

What is claimed is: 
     
         1 . A method performed by a terminal in a wireless communication system, the method comprising:
 transmitting, to a base station, a terminal capability report including information on whether to support a non-coherent joint transmission (NC-JT) channel state information (CSI) report;   receiving, from the base station, an NC-JT CSI report request based on the information included in the terminal capability report;   determining whether to report NC-JT CSI based on the NC-JT CSI report request; and   transmitting, to the base station, the NC-JT CSI report based on the determination.   
     
     
         2 . The method of  claim 1 , further comprising:
 measuring the NC-JT CSI;   determining whether a number of channel state information-reference signals (CSI-RS) for reporting the NC-JT CSI is greater than a threshold value; and   determining a value of a number of central processing units (CPUs) for the NC-JT CSI report based on the determination.   
     
     
         3 . The method of  claim 1 , wherein the determining whether to report NC-JT CSI comprises determining whether to report the NC-JT CSI based on a CSI report including at least one of an instruction through an upper layer, an instruction through a media access control (MAC)-control element (CE), or an instruction through L1 signaling. 
     
     
         4 . The method of  claim 1 , wherein the determining whether to report NC-JT CSI comprises determining whether to report the NC-JT CSI based on at least one of a number of CSI-RS for the NC-JT CSI report, a periodicity of the NC-JT CSI report, or a number of resource sets or resource settings related to a CSI report setting for the NC-JT CSI report. 
     
     
         5 . The method of  claim 1 , further comprising performing an NC-JT transmission based on the NC-JT CSI report,
 wherein the performing the NC-JT transmission is determined based on a resource allocation for each transmission reception point (TRP).   
     
     
         6 . A method performed by a base station in a wireless communication system, the method comprising:
 receiving, from a terminal, a terminal capability report including information on whether to support a non-coherent joint transmission (NC-JT) channel state information (CSI) report;   transmitting, to the terminal, a NC-JT CSI report request based on the information included in the terminal capability report; and   receiving, from the terminal, the NC-JT CSI report based on the NC-JT CSI report request,   wherein whether to report NC-JT CSI is determined based on the NC-JT CSI report request.   
     
     
         7 . The method of  claim 6 , wherein:
 the NC-JT CSI is measured by the terminal;   whether a number of channel state information reference signals (CSI-RS) for reporting the NC-JT CSI is greater than a threshold value is determined by the terminal; and   a number of CPUs for reporting the NC-JT CSI is determined by the terminal based on the determination.   
     
     
         8 . The method of  claim 6 , wherein whether to report the NC-JT CSI is determined based on a CSI report including at least one of an instruction through an upper layer, an instruction through a media access control (MAC)-control element (CE), or an instruction through L1 signaling. 
     
     
         9 . The method of  claim 6 , wherein whether to report the NC-JT CSI is determined based on at least one of a number of CSI reference signals (CSI-RS) for the NC-JT CSI report, a periodicity of the NC-JT CSI report, or a number of resource sets or resource settings related to a CSI report setting for the NC-JT CSI report. 
     
     
         10 . The method of  claim 6 , wherein NC-JT transmission is performed based on the NC-JT CSI report,
 wherein the NC-JT transmission is determined based on a resource allocation for each transmission reception point (TRP).   
     
     
         11 . A terminal comprising:
 a transceiver configured to transmit and receive at least one signal; and   a controller coupled with the transceiver, the controller configured to:
 transmit, to a base station, a terminal capability report including information on whether to support a non-coherent joint transmission (NC-JT) channel state information (CSI) report, 
 receive, from the base station, an NC-JT CSI report request based on the information included in the terminal capability report, 
 determine whether to report NC-JT CSI based on the NC-JT CSI report request, and 
 transmit, to the base station, the NC-JT CSI report based on the determination. 
   
     
     
         12 . The terminal of  claim 11 , wherein the controller is further configured to:
 measure the NC-JT CSI,   determine whether a number of channel state information-reference signals (CSI-RS) for reporting the NC-JT CSI is greater than a threshold value, and   determine a value of a number of central processing units (CPUs) for the NC-JT CSI report based on the determination.   
     
     
         13 . The terminal of  claim 11 , wherein the controller is configured to determine whether to report NC-JT CSI based on a CSI report including at least one of an instruction through an upper layer, an instruction through a media access control (MAC)-control element (CE), or an instruction through L1 signaling. 
     
     
         14 . The terminal of  claim 11 , wherein the controller is configured to determine whether to report NC-JT CSI based on at least one of a number of CSI reference signals (CSI-RS) for the NC-JT CSI report, a periodicity of the NC-JT CSI report, or a number of resource sets or resource settings related to a CSI report setting for the NC-JT CSI report. 
     
     
         15 . The terminal of  claim 11 , wherein the controller is further configured to perform NC-JT transmission based on the NC-JT CSI report,
 wherein the NC-JT transmission is determined based on a resource allocation for each transmission reception point (TRP).   
     
     
         16 . A base station comprising:
 a transceiver configured to transmit and receive at least one signal; and   a controller coupled with the transceiver, the controller configured to:
 receive, from a terminal, a terminal capability report including information on whether to support non-coherent joint transmission (NC-JT) channel state information (CSI) report, 
 transmit, to the terminal, a NC-JT CSI report request based on the information included in the terminal capability report, and 
 receive, from the terminal, the NC-JT CSI report based on the NC-JT CSI report request, 
   wherein whether to report NC-JT CSI is determined based on the NC-JT CSI report request.   
     
     
         17 . The base station of  claim 16 , wherein:
 the NC-JT CSI is measured by the terminal;   whether a number of channel state information-reference signals (CSI-RS) for reporting the NC-JT CSI is greater than a threshold value is determined by the terminal, and   a number of central processing units (CPUs) for reporting the NC-JT CSI is determined by the terminal based on the determination.   
     
     
         18 . The base station of  claim 16 , wherein whether to report the NC-JT CSI is determined based on a CSI report including at least one of an instruction through an upper layer, an instruction through a media access control (MAC)-control element (CE), or an instruction through L1 signaling. 
     
     
         19 . The base station of  claim 16 , wherein whether to report the NC-JT CSI is determined based on at least one of a number of CSI reference signals (CSI-RS) for the NC-JT CSI report, a periodicity of the NC-JT CSI report, or a number of resource sets or resource settings related to a CSI report setting for the NC-JT CSI report. 
     
     
         20 . The base station of  claim 16 , wherein NC-JT transmission is performed based on the NC-JT CSI report,
 wherein the NC-JT transmission is determined based on a resource allocation for each transmission reception point (TRP).