Method and device for transmitting and receiving physical uplink control channel between user equipment and base station in wireless communication system
The present invention disclose a method for transmitting and receiving a physical uplink control channel between a user equipment and a base station and device for supporting the same.
1. A method for transmitting an uplink control signal by a user equipment (UE) in a wireless communication system, the method comprising:
receiving, from a base station, configuration information regarding presence or absence of frequency hopping for transmission of a physical uplink control channel (PUCCH);
determining resource locations of a demodulation reference signal (DM-RS) and uplink control information (UCI), which are included in the PUCCH according to symbol duration of the PUCCH and the presence or absence of the frequency hopping; and
transmitting the PUCCH based on the determined resource locations of the DM-RS and UCI,
wherein based on the symbol duration of the PUCCH being equal to or less than X-symbol duration (where X is a natural number), the resource locations to which the DM-RS and UCI are mapped are configured to vary according to the presence or absence of the frequency hopping, and
wherein based on the symbol duration of the PUCCH being greater than the X-symbol duration (where X is the natural number), the resource locations to which the DM-RS and UCI are mapped are configured to be fixed regardless of the presence or absence of the frequency hopping.
2. The method of claim 1 , wherein X is 4.
3. The method of claim 2 , wherein based on the symbol duration of the PUCCH being 4-symbol duration, the number of symbols to which the DM-RS is mapped varies according to the presence or absence of the frequency hopping.
4. The method of claim 3 , wherein based on the symbol duration of the PUCCH being 4-symbol duration, the resource location of the DM-RS in the PUCCH is determined as the first and third symbols in a state in which the frequency hopping is configured, and the resource location of the DM-RS in the PUCCH is determined as the second symbol in a state in which the frequency hopping is not configured.
5. The method of claim 2 , wherein based on the symbol duration of the PUCCH being greater than 4-symbol duration, the DM-RS in the PUCCH is mapped to two symbols regardless of the presence or absence of the frequency hopping.
6. The method of claim 2 , wherein based on the symbol duration of the PUCCH being 5-symbol duration, the resource location of the DM-RS in the PUCCH is determined as the first and fourth symbols regardless of the presence or absence of the frequency hopping.
7. The method of claim 2 , wherein based on the symbol duration of the PUCCH being 6-symbol or 7-symbol duration, the resource location of the DM-RS in the PUCCH is determined as the second and fifth symbols regardless of the presence or absence of the frequency hopping.
8. The method of claim 2 , wherein based on the symbol duration of the PUCCH being 8-symbol duration, the resource location of the DM-RS in the PUCCH is determined as the second and sixth symbols regardless of the presence or absence of the frequency hopping.
9. The method of claim 2 , wherein based on the symbol duration of the PUCCH being 9-symbol duration, the resource location of the DM-RS in the PUCCH is determined as the second and seventh symbols regardless of the presence or absence of the frequency hopping.
10. The method of claim 2 , wherein based on the symbol duration of the PUCCH being 10-symbol duration, the resource location of the DM-RS in the PUCCH is determined as the third and eighth symbols regardless of the presence or absence of the frequency hopping, or the resource location of the DM-RS in the PUCCH is determined as the second, fourth, seventh, and ninth symbols regardless of the presence or absence of the frequency hopping.
11. The method of claim 2 , wherein based on the symbol duration of the PUCCH being 11-symbol duration, the resource location of the DM-RS in the PUCCH is determined as the third and eighth symbols regardless of the presence or absence of the frequency hopping, or the resource location of the DM-RS in the PUCCH is determined as the second, third, fourth, seventh, and tenth symbols regardless of the presence or absence of the frequency hopping.
12. The method of claim 2 , wherein based on the symbol duration of the PUCCH being 12-symbol duration, the resource location of the DM-RS in the PUCCH is determined as the third and ninth symbols regardless of the presence or absence of the frequency hopping, or the resource location of the DM-RS in the PUCCH is determined as the second, fifth, eighth, and eleventh symbols regardless of the presence or absence of the frequency hopping.
13. The method of claim 2 , wherein based on the symbol duration of the PUCCH being 13-symbol duration, the resource location of the DM-RS in the PUCCH is determined as the third and tenth symbols regardless of the presence or absence of the frequency hopping, or the resource location of the DM-RS in the PUCCH is determined as the second, fifth, eighth, and twelfth symbols regardless of the presence or absence of the frequency hopping.
14. The method of claim 2 , wherein based on the symbol duration of the PUCCH being 14-symbol duration, the resource location of the DM-RS in the PUCCH is determined as the fourth and eleventh symbols regardless of the presence or absence of the frequency hopping, or the resource location of the DM-RS in the PUCCH is determined as the second, sixth, ninth, and thirteenth symbols regardless of the presence or absence of the frequency hopping.
15. A method for receiving an uplink control signal by a base station (BS) in a wireless communication system, the method comprising:
transmitting, to a user equipment (UE), configuration information regarding presence or absence of frequency hopping for transmission of a physical uplink control channel (PUCCH); and
receiving, from the UE, the PUCCH including a demodulation reference signal (DM-RS) and uplink control information (UCI), according to symbol duration of the PUCCH and the presence or absence of the frequency hopping,
wherein based on the symbol duration of the PUCCH being equal to or less than X-symbol duration (where X is a natural number), resource locations to which the DM-RS and UCI are mapped are configured to vary according to the presence or absence of the frequency hopping, and
wherein based on the symbol duration of the PUCCH being greater than the X-symbol duration (where X is the natural number), the resource locations to which the DM-RS and UCI are mapped are configured to be fixed regardless of the presence or absence of the frequency hopping.
16. A user equipment (UE) configured to transmit a physical uplink control channel (PUCCH) to a base station (BS) in a wireless communication system, the UE comprising:
a transmitter;
a receiver;
at least one processor; and
at least one computer memory operably connectable to the at least one processor and storing instructions that, based on being executed by the at least one processor, perform operations comprising:
receiving from the BS through the receiver, configuration information regarding presence or absence of frequency hopping for transmission of the PUCCH;
determining resource locations of a demodulation reference signal (DM-RS) and uplink control information (UCI), which are included in the PUCCH according to symbol duration of the PUCCH and the presence or absence of the frequency hopping; and
transmitting, through the transmitter, the PUCCH based on the determined resource locations of the DM-RS and UCI,
wherein based on the symbol duration of the PUCCH being equal to or less than X-symbol duration (where X is a natural number), the resource locations to which the DM-RS and UCI are mapped are configured to vary according to the presence or absence of the frequency hopping, and
wherein based on the symbol duration of the PUCCH being greater than the X-symbol duration (where X is the natural number), the resource locations to which the DM-RS and UCI are mapped are configured to be fixed regardless of the presence or absence of the frequency hopping.
17. A base station (BS) configured to receive physical uplink control channel (PUCCH) from a user equipment (UE) in a wireless communication system, the BS comprising:
a transmitter;
a receiver;
at least one processor; and
at least one computer memory operably connectable to the at least one processor and storing instructions that, based on being executed by the at least one processor, perform operations comprising:
transmitting, to the UE through the transmitter, configuration information regarding presence or absence of frequency hopping for transmission of a physical uplink control channel (PUCCH); and
receiving, from the UE through the receiver, the PUCCH including a demodulation reference signal (DM-RS) and uplink control information (UCI), according to symbol duration of the PUCCH and the presence or absence of the frequency hopping,
wherein based on the symbol duration of the PUCCH being equal to or less than X-symbol duration (where X is a natural number), resource locations to which the DM-RS and UCI are mapped are configured to vary according to the presence or absence of the frequency hopping, and
wherein based on the symbol duration of the PUCCH being greater than the X-symbol duration (where X is the natural number), the resource locations to which the DM-RS and UCI are mapped are configured to be fixed regardless of the presence or absence of the frequency hopping.