Enhancements to reception reliability for data and control information

Patent metadata

Field	Value
Publication number	US-2020007296-A1
Application number	US-201916449252-A
Country	US
Kind code	A1
Filing date	Jun 21, 2019
Priority date	Jul 2, 2018
Publication date	Jan 2, 2020
Grant date	—

Abstract

A user equipment and base station for enhancing reception reliability for control information or data information are provided. A method for operating the UE includes receiving: a first configuration for a CORESET and a second configuration for a second CORESET; a first PDCCH, in the first CORESET or the second CORESET, including a first DCI format; and a first PDSCH, scheduled by the first DCI format, including a TB. The method further includes transmitting a first PUCCH including a first HARQ-ACK codebook and a second PUCCH including a second HARQ-ACK codebook. HARQ-ACK information, in response to receiving the TB, is included in: the first HARQ-ACK codebook when the first PDCCH is received in the first CORESET and the second HARQ-ACK codebook when the first PDCCH is received in the second CORESET.

First claim

What is claimed is:

1 . A method comprising:
receiving:
a first configuration for a first control resource set (CORESET) and a second configuration for a second CORESET;
a first physical downlink control channel (PDCCH), in the first CORESET or the second CORESET, including a first downlink control information (DCI) format; and
a first physical downlink shared channel (PDSCH), scheduled by the first DCI format, including a transport block (TB); and
transmitting:
a first physical uplink control channel (PUCCH) including a first hybrid automatic repeat request acknowledgement (HARQ-ACK) codebook and a second PUCCH including a second HARQ-ACK codebook,
wherein HARQ-ACK information in response to receiving the TB is included in:
the first HARQ-ACK codebook when the first PDCCH is received in the first CORESET; and
the second HARQ-ACK codebook when the first PDCCH is received in the second CORESET.

2 . The method of claim 1 , further comprising transmitting:
the first PUCCH over a first time interval; and the second PUCCH over a second time interval, wherein the first time interval and the second time interval do not overlap.

3 . The method of claim 2 , wherein the first DCI format includes a value that indicates:
the first time interval when the first PDCCH is received in the first CORESET, or the second time interval when the first PDCCH is received in the second CORESET.

4 . The method of claim 1 , further comprising transmitting:
the first PUCCH with a first transmission configuration indicator (TCI) state associated with first quasi-collocation properties; and the second PUCCH with a second TCI state associated with second quasi-collocation properties, wherein the first TCI state is different than the second TCI state.

5 . The method of claim 1 , further comprising receiving:
the first PDCCH, in the first CORESET, with a first transmission configuration indicator (TCI) state associated with first quasi-collocation properties; or the first PDCCH, in the second CORESET, with a second TCI state associated with second quasi-collocation properties, wherein the first TCI state is different than the second TCI state.

6 . The method of claim 1 , further comprising receiving:
a second PDCCH, in the first CORESET or the second CORESET, including a second DCI format; and a second PDSCH, scheduled by the second DCI format, including the TB, wherein a CORESET of the second PDCCH is different than a CORESET of the first PDCCH.

7 . The method of claim 6 , wherein:
the first DCI format includes a first hybrid automatic repeat request (HARQ) process number field comprising a first value; and the second DCI format includes a second HARQ process number field comprising a second value that is same as the first value.

8 . A user equipment (UE) comprising:
a receiver configured to receive:
a first configuration for a first control resource set (CORESET) and a second configuration for a second CORESET;
a first physical downlink control channel (PDCCH), in the first CORESET or the second CORESET, including a first downlink control information (DCI) format; and
a first physical downlink shared channel (PDSCH), scheduled by the first DCI format, including a transport block (TB); and
a transmitter configured to transmit:
a first physical uplink control channel (PUCCH) including a first hybrid automatic repeat request acknowledgement (HARQ-ACK) codebook and a second PUCCH including a second HARQ-ACK codebook,
wherein HARQ-ACK information in response to receiving the TB is included in:
the first HARQ-ACK codebook when the first PDCCH is received in the first CORESET; and
the second HARQ-ACK codebook when the first PDCCH is received in the second CORESET.

9 . The UE of claim 8 , wherein the transmitter is further configured to transmit:
the first PUCCH over a first time interval; and the second PUCCH over a second time interval, wherein the first time interval and the second time interval do not overlap.

10 . The UE of claim 9 , wherein the first DCI format includes a value that indicates:
the first time interval when the first PDCCH is received in the first CORESET, or the second time interval when the first PDCCH is received in the second CORESET.

11 . The UE of claim 8 , wherein the transmitter is further configured to transmit:
the first PUCCH with a first transmission configuration indicator (TCI) state associated with first quasi-collocation properties; and the second PUCCH with a second TCI state associated with second quasi-collocation properties, wherein the first TCI state is different than the second TCI state.

12 . The UE of claim 8 , wherein the receiver is further configured to receive:
the first PDCCH, in the first CORESET, with a first transmission configuration indicator (TCI) state associated with first quasi-collocation properties; and the first PDCCH, in the second CORESET, with a second TCI state associated with second quasi-collocation properties, wherein the first TCI state is different than the second TCI state.

13 . The UE of claim 8 , wherein the receiver is further configured to receive:
a second PDCCH, in the first CORESET or the second CORESET, including a second DCI format; and a second PDSCH, scheduled by the second DCI format, including the TB, wherein a CORESET of the second PDCCH is different than a CORESET of the first PDCCH.

14 . The UE of claim 13 , wherein:
the first DCI format includes a first hybrid automatic repeat request (HARQ) process number field comprising a first value; and the second DCI format includes a second HARQ process number field comprising a second value that is same as the first value.

15 . A base station comprising:
a transmitter configured to transmit:
a first configuration for a first control resource set (CORESET) and a second configuration for a second CORESET;
a first physical downlink control channel (PDCCH), in the first CORESET or the second CORESET, including a first downlink control information (DCI) format; and
a first physical downlink shared channel (PDSCH), scheduled by the first DCI format, including a transport block (TB); and
a receiver configured to receive:
a first physical uplink control channel (PUCCH) including a first hybrid automatic repeat request acknowledgement (HARQ-ACK) codebook and a second PUCCH including a second HARQ-ACK codebook,
wherein HARQ-ACK information in response to transmitting the TB is included in:
the first HARQ-ACK codebook when the first PDCCH is transmitted in the first CORESET; and
the second HARQ-ACK codebook when the first PDCCH is transmitted the second CORESET.

16 . The base station of claim 15 , wherein the receiver is further configured to receive:
the first PUCCH over a first time interval; and the second PUCCH over a second time interval, wherein the first time interval and the second time interval do not overlap.

17 . The base station of claim 16 , wherein the first DCI format includes a value that indicates:
the first time interval when the first PDCCH is transmitted in the first CORESET, or the second time interval when the first PDCCH is transmitted in the second CORESET.

18 . The base station of claim 15 , wherein the receiver is further configured to receive:
the first PUCCH with a first transmission configuration indicator (TCI) state associated with first quasi-collocation properties; and the second PUCCH with a second TCI state associated with second quasi-collocation properties, wherein the first TCI

Assignees

• Samsung Electronics Co Ltd

Inventors

• Papasakellariou Aris

Classifications

• H04L1/1896

  ARQ related signaling · CPC title

• H04L1/1861

  Physical mapping arrangements (for ACK signaling see also H04L5/0053) · CPC title

• H04L1/1854 Primary

  Scheduling and prioritising arrangements · CPC title

• H04W72/23

  in the downlink direction of a wireless link, i.e. towards a terminal · CPC title

• H04L5/0042

  Intra-user or intra-terminal allocation · CPC title