Transmitting and receiving uplink control channel

• US 9,265,037 B2
• Filed: 09/12/2013
• Issued: 02/16/2016
• Est. Priority Date: 09/14/2012
• Status: Active Grant

• Current Assignee: Google Inc. (Alphabet Inc.)
• Original Assignee: KT Corporation
• Inventors: Choi, Woo-Jin, Noh, Min Seok
• Primary Examiner(s): Wilson, Robert
• Application Number:
  US14/024,855
• Publication Number:
  US 20140078942A1
• Time in Patent Office: 887 Days
• US Class Current: 1/1
• CPC Class Codes: H04L 1/0026 Transmission of channel quality indication
• CPC Class Codes: H04L 1/1671 the supervisory signal being transmitted together with control information
• CPC Class Codes: H04L 1/1896 ARQ related signaling
• CPC Class Codes: H04L 5/001 the frequencies being arranged in component carriers
• CPC Class Codes: H04L 5/0023 Time-frequency-space
• CPC Class Codes: H04L 5/0028 Variable division signaling therefor H04L5/0092
• CPC Class Codes: H04L 5/0048 Allocation of pilot signals, i.e. of signals known to the receiver
• CPC Class Codes: H04L 5/0053 Allocation of signaling, i.e. of overhead other than pilot signals
• CPC Class Codes: H04L 5/143 for modulated signals H04L5/1469 takes precedence
• CPC Class Codes: H04W 72/21 in the uplink direction of a wireless link, i.e. towards the network
• CPC Class Codes: H04W 88/085 Access point devices with remote components

Abstract

The disclosure is related to transmitting a control channel, multiplexing an uplink control channel, and multiplexing a sounding reference signal for user equipment configured with carrier aggregation.

Claims

1. A method of transmitting an uplink control channel at user equipment configured with physical uplink control channel (PUCCH) format 3, the method comprising:

receiving a first parameter, through an associated higher layer signaling, from a transmission/reception point, wherein the first parameter instructs simultaneous transmission of single hybrid automatic repeat request (HARQ) acknowledgement/negative-acknowledgement (ACK/NACK) and channel state information (CSI) on PUCCH format 2/2a/2b;

receiving a second parameter, through an associated higher layer signaling, from the transmission/reception point, wherein the second parameter instructs simultaneous transmission of multiple HARQ ACK/NACK and CSI on the PUCCH format 3; and

performing simultaneous transmission of HARQ ACK/NACK and CSI on one of the PUCCH format 2/2a/2b and the PUCCH format 3 according to configurations of the first parameter and the second parameter.

2. The method of claim 1, wherein the performing simultaneous transmission comprises:

performing simultaneous transmission of HARQ ACK/NACK and CSI on the PUCCH format 3 if the second parameter is set TRUE if the HARQ ACK/NACK is multiple HARQ ACK/NACK if a duplex mode is a frequency division duplex (FDD) and if the user equipment is configured with more than one cell.

3. The method of claim 1, wherein the performing simultaneous transmission comprises:

performing simultaneous transmission of HARQ ACK/NACK and CSI on the PUCCH format 2/2a/2b if the first parameter is set TRUE if the HARQ ACK/NACK is single HARQ ACK/NACK if a duplex mode is a frequency division duplex (FDD) and if the user equipment is configured with more than one cell.

4. The method of claim 1, wherein the performing simultaneous transmission comprises:

performing simultaneous transmission of HARQ ACK/NACK and CSI on the PUCCH format 3 if the second parameter is set TRUE if the HARQ ACK/NACK is multiple HARQ ACK/NACK if a duplex mode is a time division duplex (TDD) and if the user equipment is configured with one cell.

5. The method of claim 1, wherein the performing simultaneous transmission comprises:

performing simultaneous transmission of HARQ ACK/NACK and CSI on the PUCCH format 2/2a/2b if the first parameter is set TRUE if the second parameter is set FALSE and if a duplex mode is a frequency division duplex (FDD).

6. The method of claim 1, wherein the performing simultaneous transmission comprises:

transmitting HARQ ACK/NACK on one of the PUCCH format 2/2a/2b and the PUCCH format 3 and dropping periodic CSI if the first parameter is set FALSE and if the second parameter is set FALSE.

7. A method of receiving an uplink control channel at a transmission/reception point, the method comprising:

transmitting a first parameter, through an associated higher layer signaling, to user equipment, wherein the first parameter instructs simultaneous transmission of single hybrid automatic repeat request (HARQ) acknowledgement/negative-acknowledgement (ACK/NACK) and channel state information (CSI) on physical uplink control channel (PUCCH) format 2/2a/2b;

transmitting a second parameter, through an associated higher layer signaling, to the user equipment, wherein the second parameter instructs simultaneous transmission of multiple HARQ ACK/NACK and CSI using PUCCH format 3; and

receiving a PUCCH that performs simultaneous transmission of HARQ ACK/NACK and CSI on one of the PUCCH format 2/2a/2b and the PUCCH format 3 according to configurations of the first parameter and the second parameter if the user equipment is configured with the PUCCH format 3.

8. The method of claim 7, wherein the receiving a PUCCH comprises:

receiving a PUCCH that performs simultaneous transmission of HARQ ACK/NACK and CSI on the PUCCH format 3 if the second parameter is set TRUE if the HARQ ACK/NACK is multiple HARQ ACK/NACK if a duplex mode is a frequency division duplex (FDD) and if the user equipment is configured with more than one cell.

9. The method of claim 7, wherein the receiving a PUCCH comprises:

receiving a PUCCH that performs simultaneous transmission of HARQ ACK/NACK and CSI on the PUCCH format 2/2a/2b if the first parameter is set TRUE if the HARQ ACK/NACK is single HARQ ACK/NACK if a duplex mode is a frequency division duplex (FDD) and if the user equipment is configured with more than one cell.

10. The method of claim 7, wherein the receiving a PUCCH comprises:

receiving a PUCCH that performs simultaneous transmission of HARQ ACK/NACK and CSI on the PUCCH format 3 if the second parameter is set TRUE and if the HARQ ACK/NACK is multiple HARQ ACK/NACK if a duplex mode is a time division duplex (TDD) and if the user equipment is configured with one cell.

11. The method of claim 7, wherein the receiving a PUCCH comprises:

receiving a PUCCH that performs simultaneous transmission of HARQ ACK/NACK and CSI on the PUCCH format 2/2a/2b if the first parameter is set TRUE if the second parameter is set FALSE and if a duplex mode is a frequency division duplex (FDD).

12. The method of claim 7, wherein the receiving a PUCCH comprises:

receiving a PUCCH that transmits HARQ ACK/NACK on one of the PUCCH 2/2a/2b and the PUCCH format 3 and drops periodic CSI if the first parameter is set FALSE and if the second parameter is set FALSE.

13. User equipment configured with a physical uplink control channel (PUCCH) format 3, the user equipment comprising;

a receiver configured to receive a first parameter, through an associated higher layer signaling, from a transmission/reception point, wherein the first parameter instructs simultaneous transmission of single hybrid automatic repeat request (HARQ) acknowledgement/negative-acknowledgement (ACK/NACK) and channel state information (CSI) on PUCCH format 2/2a/2b and to receive a second parameter, through an associated higher layer signaling, from the transmission/reception point, wherein the second parameter instructs simultaneous transmission of multiple HARQ ACK/NACK and CSI on the PUCCH format 3; and

a transmitter configured to perform simultaneous transmission of HARQ ACK/NACK and CSI on one of the PUCCH format 2/2a/2b and the PUCCH format 3 according to configurations of the first parameter and the second parameter.

14. The user equipment of claim 13, wherein the transmitter is configured to:

perform simultaneous transmission of HARQ ACK/NACK and CSI on the PUCCH format 3 if the second parameter is set TRUE if the HARQ ACK/NACK is multiple HARQ ACK/NACK if a duplex mode is a frequency division duplex (FDD) and if the user equipment is configured with more than one cell.

15. The user equipment of claim 13, wherein the transmitter is configured to:

perform simultaneous transmission of HARQ ACK/NACK and CSI on the PUCCH format 2/2a/2b if the first parameter is set TRUE if the HARQ ACK/NACK is single HARQ ACK/NACK if a duplex mode is a frequency division duplex (FDD) and if the user equipment is configured with more than one cell.

16. The user equipment of claim 13, wherein the transmitter is configured to:

perform simultaneous transmission of HARQ ACK/NACK and CSI the PUCCH format 3 if the second parameter is set TRUE if the HARQ ACK/NACK is multiple HARQ ACK/NACK if a duplex mode is a time division duplex (TDD) and if the user equipment is configured with one cell.

17. The user equipment of claim 13, wherein the transmitter is configured to:

perform simultaneous transmission of HARQ ACK/NACK and CSI on the PUCCH 2/2a/2b if the first parameter is set TRUE if the second parameter is set FALSE and if a duplex mode is a frequency division duplex (FDD).

18. The user equipment of claim 13, wherein the transmitter is configured to:

transmit HARQ ACK/NACK on one of the PUCCH format 2/2a/2b and the PUCCH format 3 and drop periodic CSI if the first parameter is set FALSE and if the second parameter is set FALSE.

19. A transmission/reception point comprising:

a transmitter configured to;

transmit a first parameter, through an associated higher layer signaling, to user equipment, wherein the first parameter instructs simultaneous transmission of single hybrid automatic repeat request (HARQ) acknowledgement/negative-acknowledgement (ACK/NACK) and channel state information (CSI) on physical uplink control channel (PUCCH) format 2/2a/2b, and

transmit a second parameter, through an associated higher layer signaling, to the user equipment, wherein the second parameter instructs simultaneous transmission of multiple HARQ ACK/NACK and CSI on PUCCH format 3; and

a receiver is configured to receive a PUCCH that performs simultaneous transmission of HARQ ACK/NACK and CSI on one of the PUCCH format 2/2a/2b and the PUCCH format 3 according to configurations of the first parameter and the second parameter if the user equipment is configured with the PUCCH format 3.

20. The transmission/reception point of claim 19, wherein the receiver is configured to:

receive a PUCCH that performs simultaneous transmission of HARQ ACK/NACK and CSI on the PUCCH format 3 if the second parameter is set TRUE if the HARQ ACK/NACK is multiple HARQ ACK/NACK if a duplex mode is a frequency division duplex (FDD) and if the user equipment is configured with more than one cell.

21. The transmission/reception point of claim 19, wherein the receiver is configured to:

receive a PUCCH that performs simultaneous transmission of HARQ ACK/NACK and CSI on the PUCCH format 2/2a/2b if the first parameter is set TRUE if the HARQ ACK/NACK is single HARQ ACK/NACK if a duplex mode is a frequency division duplex (FDD) and if the user equipment is configured with more than one cell.

22. The transmission/reception point of claim 19, wherein the receiver is configured to:

receive a PUCCH that performs simultaneous transmission of HARQ ACK/NACK and CSI on the PUCCH format 3 if the second parameter is set TRUE if the HARQ ACK/NACK is multiple HARQ ACK/NACK if a duplex mode is a time division duplex (TDD) and if the user equipment is configured with one cell.

23. The transmission/reception point of claim 19, wherein the receiver is configured to:

receive a PUCCH that performs simultaneous transmission of HARQ ACK/NACK and CSI on the PUCCH format 2/2a/2b if the first parameter is set TRUE if the second parameter is set FALSE and if a duplex mode is a frequency division duplex (FDD).

24. The transmission/reception point of claim 19, wherein the receiver is configured to:

receive a PUCCH that transmits HARQ ACK/NACK on one of the PUCCH format 2/2a/2b and the PUCCH format 3 and drops periodic CSI if the first parameter is set FALSE and if the second parameter is set FALSE.