Method and apparatus for transmitting uplink control indicators in a wireless communication system
An apparatus includes: a transmitter configured to transmit a transport block and HARQ-ACK on PUSCH; and a physical layer processing unit configured to calculate a number of coded bits for the HARQ-ACK, at least based on a number of SC-FDMA symbols N PUSCH-initial symb for PUSCH initial transmission for the transport block, and modulation order for the transport block, wherein the number of the SC-FDMA symbols N PUSCH-initial symb is given at least based on N LBT and a number of SC-FDMA symbols N UL symb included in an uplink slot, and a value of N LBT is 1 in a case that a time continuous signal of a first SC-FDMA symbol included in the PUSCH is generated based on a content of a resource element corresponding to a second SC-FDMA symbol following the first SC-FDMA symbol.
1. A terminal apparatus comprising:
transmission circuitry configured to transmit a transport block and hybrid automatic repeat request-acknowledgement (HARQ-ACK) on a physical uplink shared channel (PUSCH), and
physical layer processing circuitry configured to determine a number of coded bits for the HARQ-ACK at least based on a number of single-carrier frequency-division multiple access (SC-FDMA) symbols for an initial transmission of the PUSCH for the transport block (N PUSCH-initial symb ),
wherein:
N PUSCH-initial symb is given based on an N LBT and a number of SC-FDMA symbols included in an uplink slot (N UL symb ),
the N LBT is 1 in a case that a signal of an SC-FDMA symbol with an index I comprises a portion of a content for resource elements corresponding to an SC-FDMA symbol with an index I+1,
the SC-FDMA symbol with the index I is an earliest symbol in time among the N UL symb symbols in an uplink slot, and
the SC-FDMA symbol with the index I+1 is a second earliest symbol in time among the N UL symb symbols in the uplink slot.
2. The terminal apparatus according to claim 1 , wherein the N LBT is 0 in a case that the signal of the SC-FDMA symbol with the index I does not comprise the portion of the content for resource elements corresponding to the SC-FDMA symbol with the index I+1.
3. A base station apparatus comprising:
reception circuitry configured to receive a transport block and hybrid automatic repeat request-Acknowledgement (HARQ-ACK) on a physical uplink shared channel (PUSCH), and
physical layer processing circuitry configured to determine a number of coded bits for the HARQ-ACK at least based on a number of single-carrier frequency-division multiple access (SC-FDMA) symbols for an initial transmission of the PUSCH for the transport block (N PUSCH-initial symb ),
wherein:
N PUSCH-initial symb is given based on an N LBT and a number of SC-FDMA symbols included in an uplink slot (N UL symb ),
the N LBT is 1 in a case that a signal of an SC-FDMA symbol with an index I comprises a portion of a content for resource elements corresponding to an SC-FDMA symbol with an index I+1,
the SC-FDMA symbol with the index I is an earliest symbol in time among the N UL symb symbols in an uplink slot, and
the SC-FDMA symbol with the index I+1 is a second earliest symbol in time among the N UL symb symbols in the uplink slot.
4. The base station apparatus according to claim 3 , wherein the N LBT is 0 in a case that the signal of the SC-FDMA symbol with the index I does not comprise the portion of the content for resource elements corresponding to the SC-FDMA symbol with the index I+1.
5. A communication method used for a terminal apparatus, comprising:
transmitting a transport block and hybrid automatic repeat request-Acknowledgement (HARQ-ACK) on a physical uplink shared channel (PUSCH), and
determining a number of coded bits for the HARQ-ACK at least based on a number of single-carrier frequency-division multiple access (SC-FDMA) symbols for an initial transmission of the PUSCH for the transport block (N PUSCH-initial symb ),
wherein:
N PUSCH-initial symb is given based on an N LBT and a number of SC-FDMA symbols included in an uplink slot (N UL symb ),
the N LBT is 1 in a case that a signal of an SC-FDMA symbol with an index I comprises a portion of a content for resource elements corresponding to an SC-FDMA symbol with an index I+1,
the SC-FDMA symbol with the index I is an earliest symbol in time among the N UL symb symbols in an uplink slot, and
the SC-FDMA symbol with the index I+1 is a second earliest symbol in time among the N UL symb symbols in the uplink slot.
6. A communication method used for a base station apparatus, comprising:
receiving a transport block and hybrid automatic repeat request-Acknowledgement (HARQ-ACK) on a physical uplink shared channel (PUSCH), and
determining a number of coded bits for the HARQ-ACK at least based on a number of single-carrier frequency-division multiple access (SC-FDMA) symbols for an initial transmission of the PUSCH for the transport block (N PUSCH-initial symb ),
wherein:
N PUSCH-initial symb is given based on an N LBT and a number of SC-FDMA symbols included in an uplink slot (N UL symb ),
the N LBT is 1 in a case that a signal of an SC-FDMA symbol with an index I comprises a portion of a content for resource elements corresponding to an SC-FDMA symbol with an index I+1,
the SC-FDMA symbol with the index I is an earliest symbol in time among the N UL symb symbols in an uplink slot, and
the SC-FDMA symbol with the index I+1 is a second earliest symbol in time among the N UL symb symbols in the uplink slot.
7. The terminal apparatus according to claim 1 , wherein the portion of the content is for resource elements corresponding to a cyclic prefix of the SC-FDMA symbol with the index I+1.
8. The base station apparatus according to claim 3 , wherein the portion of the content is for resource elements corresponding to a cyclic prefix of the SC-FDMA symbol with the index I+1.
9. The communication method according to claim 5 , wherein the portion of the content is for resource elements corresponding to a cyclic prefix of the SC-FDMA symbol with the index I+1.
10. The communication method according to claim 6 , wherein the portion of the content is for resource elements corresponding to a cyclic prefix of the SC-FDMA symbol with the index I+1.