State information for network cooperative communication
The present disclosure relates to a communication method and system for converging a 5 th -Generation (5G) communication system for supporting higher data rates beyond a 4 th -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.
1. A method performed by a terminal in a wireless communication system, the method comprising:
receiving, from a base station, resource configuration information for channel state information (CSI), wherein a channel state information-reference signal (CSI-RS) resource set including a plurality of CSI-RS resources for a channel measurement is configured based on the resource configuration information, and 2 sets of non-zero power (NZP) CSI-RS resources for non-coherent joint transmission (NC-JT) CSI measurement are configured within the CSI-RS resource set;
measuring NC-JT CSI for multiple transmission and reception points (TRPs) based on the at least one of the 2 sets within the CSI-RS resource set; and
transmitting, to the base station, a CSI report based on the measured NC-JT CSI,
wherein each of the 2 sets comprises at least two NZP CSI-RS resources, among the plurality of CSI-RS resources within the CSI-RS resource set, and
wherein a same NZP CSI-RS resource is associated with the 2 sets.
2. The method of claim 1 , further comprising:
measuring CSI for a single TRP,
wherein the CSI report comprises CSI selected among the CSI for the single TRP and the NC-JT CSI for the multiple TRPs.
3. The method of claim 1 , further comprising:
identifying a number of CSI processing units (CPUs) for calculation of the NC-JT CSI measured based on the at least one of the 2 sets,
wherein the number of CPUs for calculation of the NC-JT CSI is proportional to a number of NZP CSI-RS resources included in each of the 2 sets, and
wherein the number of CPUs for the NC-JT CSI is occupied for calculation of the NC-JT CSI.
4. The method of claim 1 , further comprising:
transmitting, to the base station, capability information of the terminal including information indicating whether the NC-JT CSI is supported by the terminal.
5. A method performed by a base station in a wireless communication system, the method comprising:
transmitting, to a terminal, resource configuration information for channel state information (CSI); and
receiving, from the terminal, a CSI report based on non-coherent joint transmission (NC-JT) CSI for multiple transmission and reception points (TRPs),
wherein a channel state information-reference signal (CSI-RS) resource set including a plurality of CSI-RS resources for a channel measurement is configured based on the resource configuration information,
wherein 2 sets of non-zero power (NZP) CSI-RS resources for NC-JT CSI measurement are configured within the CSI-RS resource set,
wherein each of 2 sets comprises at least two NZP CSI-RS resources, among the plurality of CSI-RS resources within the CSI-RS resource set,
wherein the NC-JT CSI for the multiple TRPs is derived based on the at least one of the 2 sets within the CSI-RS resource set, and
wherein a same NZP CSI-RS resource is associated with the 2 sets.
6. The method of claim 5 , further comprising:
selecting one among CSI associated with a single TRP and the NC-JT CSI for the multiple TRPs.
7. The method of claim 5 , wherein a number of CSI processing units (CPUs) associated with the NC-JT CSI based on the at least one of 2 sets is proportional to a number of NZP CSI-RS resources included in each of the 2 sets.
8. The method of claim 5 , further comprising:
receiving, from the terminal, capability information of the terminal including information indicating whether the NC-JT CSI is supported by the terminal.
9. 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:
receive, from a base station, resource configuration information for channel state information (CSI), wherein a channel state information-reference signal (CSI-RS) resource set including a plurality of CSI-RS resources for a channel measurement is configured based on the resource configuration information, and 2 sets of non-zero power (NZP) CSI-RS resources for non-coherent joint transmission (NC-JT) CSI measurement are configured within the CSI-RS resource set;
measure NC-JT CSI for multiple transmission and reception points (TRPs) based on the at least one of the 2 sets within the CSI-RS resource set; and
transmit, to the base station, a CSI report based on the measured NC-JT CSI,
wherein each of the 2 sets comprises at least two NZP CSI-RS resources, among the plurality of CSI-RS resources within the CSI-RS resource set, and
wherein a same NZP CSI-RS resource is associated with the 2 sets.
10. The terminal of claim 9 , wherein the controller is further configured to:
measure CSI for a single TRP,
wherein the CSI report comprises CSI selected among the CSI for the single TRP and the NC-JT CSI for the multiple TRPs.
11. The terminal of claim 9 , wherein the controller is further configured to:
identify a number of CSI processing units (CPUs) for calculation of the NC-JT CSI measured based on the at least one of the 2 sets,
wherein the number of CPUs for calculation of the NC-JT CSI is proportional to a number of NZP CSI-RS resources included in each of the 2 sets, and
wherein the number of CPUs for the NC-JT CSI is occupied for calculation of the NC-JT CSI.
12. The terminal of claim 9 , wherein the controller is further configured to:
transmit, to the base station, capability information of the terminal including information indicating whether the NC-JT CSI is supported by the terminal.
13. 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:
transmit, to a terminal, resource configuration information for channel state information (CSI); and
receive, from the terminal, a CSI report based on non-coherent joint transmission (NC-JT) CSI for multiple transmission and reception points (TRPs),
wherein a channel state information-reference signal (CSI-RS) resource set including a plurality of CSI-RS resources for a channel measurement is configured based on the resource configuration information,
wherein 2 sets of non-zero power (NZP) CSI-RS resources for NC-JT CSI measurement are configured within the CSI-RS resource set,
wherein each of the 2 sets comprises at least two NZP CSI-RS resources, among the plurality of CSI-RS resources within the CSI-RS resource set,
wherein the NC-JT CSI for the multiple TRPs is derived based on the at least one of the 2 sets within the CSI-RS resource set, and
wherein a same NZP CSI-RS resource is associated with the 2 sets.
14. The base station of claim 13 , wherein the controller is further configured to:
select one among CSI associated with a single TRP and the NC-JT CSI for the multiple TRPs.
15. The base station of claim 13 , wherein a number of CSI processing units (CPUs) associated with the NC-JT CSI based on the at least one of the 2 sets is proportional to a number of NZP CSI-RS resources included in each of the 2 sets.
16. The base station of claim 13 , wherein the controller is further configured to:
receive, from the terminal, capability information of the terminal including information indicating whether the NC-JT CSI is supported by the terminal.