Method of transmitting control signal in wireless communication system
AssigneeLG Electronics Inc.
InventorsHak Seong Kim, Bong Hoe Kim, Ki Jun Kim
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Abstract
A method of transmitting a control signal in a wireless communication system is provided. The method includes acquiring a resource index, the number of cyclic shifts (CSs) and a CS interval, wherein the number of CSs is an integer multiple of the CS interval, determining a CS index based on the number of CSs and the CS interval, generating a cyclically shifted sequence by cyclically shifting a base sequence by a CS amount obtained from the CS index, generating a modulated sequence based on the cyclically shifted sequence and a symbol for a control signal and transmitting the modulated sequence after mapping the modulated sequence to a resource block obtained from the resource index.
Claims8
A method of transmitting an acknowledgment (ACK)/non-acknowledgment (NACK) signal at a user equipment (UE) in a wireless communication system, the method comprising:
- receiving from a base station (BS) information regarding Ncs(1), NRB(2) and ΔshiftPUCCH, Ncs(1) indicating a number of cyclic shift indexes (CSIs) used for (2 transmission of the ACK/NACK signal in a mixed resource block, NRB(2) indicating a number of resource blocks available for transmission of a channel quality indicator (CQI), and ΔshiftPUCCH indicating a cyclic shift (CS) interval;
- determining a first resource index nPUCCH(1) that identifies resources used for transmission of the ACK/NACK signal;
- determining a second resource index nPUCCH(2) that identifies resources used for transmission of the CQI;
- determining an orthogonal sequence index (OSI) and a CSI to be used for transmitting the ACK/NACK signal based on Ncs(1), ΔshiftPUCCH and nPUCCH(1);
- and
- transmitting the ACK/NACK signal to the BS using the determined OSI and CSI,
- wherein Ncs(1) is an integer multiple of ΔshiftPUCCH,
- wherein the ACK/NACK signal and the CQI are transmitted in the mixed resource block by one or more UEs, and
- wherein nPUCCH(2) is determined such that
- n
- PUCCH
- (
- 2
- )
- <
- N
- RB
- (
- 2
- )
-
- N
- =
- ⌈
- N
- cs
- (
- 1
- )
- 8
- ⌉
- ·
- (
- N
- -
- N
- cs
- (
- 1
- )
- -
- 2
- )
- ,
- N denoting a number of subcarriers included in one resource block.
A user equipment (UE) for transmitting an acknowledgment (ACK)/non-acknowledgment (NACK) signal in a wireless communication system, the UE comprising:
- a signal generator configured to generate and transmit a radio signal;
- and
- a processor coupled to the signal generator and configured to:
- receive from a base station (BS) information regarding Ncs(1), NRB(2) and ΔshiftPUCCH, Ncs(1) indicating a number of cyclic shift indexes (CSIs) used for transmission of the ACK/NACK signal in a mixed resource block, NRB(2) indicating a number of resource blocks available for transmission of a channel quality indicator (CQI), and ΔshiftPUCCH indicating a cyclic shift (CS) interval;
- determine a first resource index nPUCCH(1) that identifies resources used for transmission of the ACK/NACK signal;
- determine a second resource index nPUCCH(2) that identifies resources used for transmission of the CQI;
- determine an orthogonal sequence index (OSI) and a CSI to be used for transmitting the ACK/NACK signal based on Ncs(1), ΔshiftPUCCH and nPUCCH(1);
- and
- transmit the ACK/NACK signal to the BS using the determined OSI and CSI,
- wherein Ncs(1) is an integer multiple of ΔshiftPUCCH,
- wherein the ACK/NACK signal and the CQI are transmitted in the mixed resource block by one or more UEs, and
- wherein nPUCCH(2) is determined such that
- n
- PUCCH
- (
- 2
- )
- <
- N
- RB
- (
- 2
- )
-
- N
- =
- ⌈
- N
- cs
- (
- 1
- )
- 8
- ⌉
- ·
- (
- N
- -
- N
- cs
- (
- 1
- )
- -
- 2
- )
- ,
- N denoting a number of subcarriers included in one resource block.
Dependencies are inferred from the claim text.