Apparatus and method for transmitting and receiving beam information in wireless communication system
The present disclosure relates to transmitting and receiving beam information in a wireless communication system. An operation of a receiving end includes: generating a signal indicating two or more analogue transmission beams which are allocable to the receiving end; and transmitting the signal. In addition, the present disclosure includes other embodiments different from the embodiment described above.
1. A method performed by a terminal in a wireless communication system, the method comprising:
receiving, from a base station, downlink signals for transmission beams; and
transmitting, to the base station, measurement information including first information and second information, based on the downlink signals,
wherein the first information is associated with a first transmission beam corresponding to a highest channel quality among the transmission beams,
wherein the second information is associated with at least one second transmission beam other than the first transmission beam among the transmission beams,
wherein a channel quality of each of the at least one second transmission beam is greater than a threshold for the measurement information, and
wherein the threshold is a threshold for grouping measurement results for the at least one second transmission beam.
2. The method of claim 1 , further comprising:
when at least one of a first condition in which channel qualities of all of the transmission beams are greater than or equal to a first threshold value, and a second condition in which similarity between the channel qualities of all of the transmission beams is greater than or equal to a second threshold value is satisfied, determining that all of the transmission beams of the base station are capable of allocating to the terminal.
3. The method of claim 1 , further comprising:
determining transmission beams satisfying at least one of a first condition and a second condition as a set of the at least one second transmission beam,
wherein the first condition is that channel qualities of all of the transmission beams are greater than or equal to a first threshold value, and the second condition is that similarity between the channel qualities of all of the transmission beams is greater than or equal to a second threshold value.
4. The method of claim 1 , further comprising:
identifying the at least one second transmission beam based on information on whether a channel quality of each of the transmission beams is greater than the threshold or not.
5. A base station in a wireless communication system, the base station comprising:
at least one processor; and
at least one transceiver operatively coupled to the at least one processor,
wherein the at least one processor is configured to:
transmit, to a terminal, downlink signals for transmission beams; and
receive, from the terminal, measurement information including first information and second information, based on the downlink signals,
wherein the first information is associated with a first transmission beam corresponding to a highest channel quality among the transmission beams,
wherein the second information is associated with at least one second transmission beam other than the first transmission beam among the transmission beams,
wherein a channel quality of each of the at least one second transmission beam is greater than a threshold for the measurement information, and
wherein the threshold is a threshold for grouping measurement results for the at least one second transmission beam.
6. The base station of claim 5 , wherein the measurement information indicates whether all of the transmission beams of the base station are capable of allocating to the terminal or not.
7. The base station of claim 5 , wherein the measurement information indicates whether beams included in at least one group from among all of the transmission beams of the base station are capable of allocating to the terminal.
8. The base station of claim 5 , wherein the measurement information indicates whether each of all of the transmission beams of the base station is capable of allocating to the terminal.
9. The base station of claim 5 , wherein the at least one processor is further configured to allocate one of the at least one second transmission beam to the terminal, when resources of the first transmission beam are scarce.
10. A terminal in a wireless communication system, the terminal comprising:
at least one processor; and
at least one transceiver operatively coupled to the at least one processor,
wherein the at least one processor is configured to:
receive, from a base station, downlink signals for transmission beams; and
transmit, to the base station, measurement information including first information and second information, based on the downlink signals,
wherein the first information is associated with a first transmission beam corresponding to a highest channel quality among the transmission beams,
wherein the second information is associated with at least one second transmission beam other than the first transmission beam among the transmission,
wherein a channel quality of each of the at least one second transmission beam is greater than a threshold for the measurement information, and
wherein the threshold is a threshold for grouping measurement results for the at least one second transmission beam.
11. The terminal of claim 10 , wherein the at least one processor is further configured to:
determine that all of the transmission beams of the base station are capable of allocating to the terminal, when at least one of a first condition in which channel qualities of all of the transmission beams are greater than or equal to a first threshold value, and a second condition in which similarity between the channel qualities of all of the transmission beams is greater than or equal to a second threshold value is satisfied.
12. The terminal of claim 10 , wherein the at least one processor is further configured to:
determine transmission beams satisfying at least one of a first condition and a second condition as a set of the at least one second transmission beam,
wherein the first condition is that channel qualities of all of the transmission beams are greater than or equal to a first threshold value, and the second condition is that similarity between the channel qualities of all of the transmission beams is greater than or equal to a second threshold value.
13. The terminal of claim 10 , wherein the at least one processor is further configured to:
identifying the at least one second transmission beam based on information on whether a channel quality of each of the transmission beams is greater than the threshold or not.
14. The terminal of claim 10 , wherein the measurement information indicates whether all of the transmission beams of the base station are capable of allocating to the terminal or not.
15. The method of claim 1 ,
wherein the first information comprises an identifier of the first transmission beam, and
wherein the second information comprises index information for the at least one second transmission beam.
16. The base station of claim 5 ,
wherein the first information comprises an identifier of the first transmission beam, and
wherein the second information comprises index information for the at least one second transmission beam.
17. The terminal of claim 10 ,
wherein the first information comprises an identifier of the first transmission beam, and
wherein the second information comprises index information for the at least one second transmission beam.