System and method for reporting in respect of multiple downlink assignments from multiple transmit receive points

Patent metadata

Field	Value
Publication number	US-11800522-B2
Application number	US-201816136964-A
Country	US
Kind code	B2
Filing date	Sep 20, 2018
Priority date	Sep 20, 2018
Publication date	Oct 24, 2023
Grant date	Oct 24, 2023

Abstract

Systems and methods of transmitting and receiving combined uplink control information (UCI) in respect of downlink assignments are provided. The UE is configured to combine certain UCI based on a property of downlink assignment, such as PDCCH ID, beam information, CORESET. The UE may also be configured to determine which UCI having the same value of the property of downlink assignment to combine. This can be based on a value-specific monitoring window or a monitoring window that is common to multiple values of the assignment property.

First claim

The invention claimed is:

1. A method in a user equipment (UE), the method comprising:
receiving a first plurality of downlink assignments, wherein each downlink assignment of the first plurality of downlink assignments schedules a respective downlink data transmission and all the first plurality of downlink assignments are associated with a control resource set (CORESET) having a CORESET identity of a first value; and
receiving a second plurality of downlink assignments, wherein each downlink assignment of the second plurality of downlink assignments schedules a respective downlink data transmission and all the second plurality of downlink assignments are associated with a CORESET having a CORESET identity of a second value different than the first value;
wherein the CORESET having the CORESET identity of the first value and the CORESET having the CORESET identity of the second value belong to a same cell;
transmitting first uplink control information (UCI) for the first plurality of downlink assignments on a first physical uplink control channel (PUCCH), the first UCI comprising first hybrid automatic repeat request (HARQ) acknowledgement (ACK)/negative acknowledgement (NACK) information for each downlink assignment of the first plurality of downlink assignments; and
transmitting second UCI for the second plurality of downlink assignments on a second PUCCH that is different than the first PUCCH, the second UCI comprising a second HARQ ACK/NACK information for each downlink assignment of the second plurality of downlink assignments;
monitoring for the first plurality of downlink assignments during a first monitoring window and monitoring for the second plurality of downlink assignments during a second monitoring window;
wherein the first UCI comprising the first HARQ ACK/NACK information for each downlink assignment of the first plurality of downlink assignments that is received during the first monitoring window;
the second UCI comprising the second HARQ ACK/NACK information for each downlink assignment of the second plurality of downlink assignments that is received during the second monitoring window.

2. The method of claim 1 comprising:
receiving, for each monitoring window of the first and second monitoring windows, a configuration of the monitoring window that configures the UE with the monitoring window using parameters that are based on a granularity, wherein the parameters comprise one or a combination of:
a value of CORESET identity that the monitoring window applies to;
start;
end;
duration;
offset; and
periodicity.

3. The method of claim 1 wherein:
the first UCI comprising first HARQ ACK/NACK information for each downlink assignment of the first plurality of downlink assignments comprises a first combined HARQ ACK/NACK field comprising a respective HARQ ACK/NACK field for each respective downlink assignment of the first plurality of downlink assignments;
the second UCI comprising second HARQ ACK/NACK information for each downlink assignment of the second plurality of downlink assignments comprises a second combined HARQ ACK/NACK field comprising comprises a respective HARQ ACK/NACK field for each respective downlink assignment of the second plurality of downlink assignments.

4. The method of claim 1 further comprising:
generating the first UCI by multiplexing constituent UCIs for each respective downlink assignment of the first plurality of downlink assignments, each constituent UCI comprising one or more of:
a respective HARQ ACK/NACK field;
a respective scheduling request (SR) field; and
a respective channel state information (CSI).

5. The method of claim 1 , wherein the first UCI comprising the first HARQ ACK/NACK information for each respective downlink assignment of the first plurality of downlink assignments and the second UCI comprising the second HARQ ACK/NACK information for each respective downlink assignment of the second plurality of downlink assignments are transmitted in different occasions.

6. The method of claim 5 , wherein each occasion includes one of a slot, an OFDM symbol, or a group of OFDM symbols.

7. The method of claim 1 , wherein the CORESET having the CORESET identity of the first value is associated with a first transmit receive point (TRP), and the CORESET having the CORESET identity of the second value is associated with second TRP different than the first TRP.

8. A method in a base station (BS), the method comprising:
transmitting to a user equipment (UE) a first plurality of downlink assignments, wherein each downlink assignment of the first plurality of downlink assignments schedules a respective downlink data transmission and all the first plurality of downlink assignments are associated with a control resource set (CORESET) having a CORESET identity of a first value;
transmitting a second plurality of downlink assignments, wherein each downlink assignment of the second plurality of downlink assignments schedules a respective downlink data transmission and all the second plurality of downlink assignments are associated with a CORESET having a CORESET identity of a second value different than the first value;
wherein the CORESET having the CORESET identity of the first value and the CORESET having the CORESET identity of the second value are belong to a same cell;
receiving from the UE first uplink control information (UCI) for the first plurality of downlink assignments on a first physical uplink control channel (PUCCH), the first UCI comprising first hybrid automatic repeat request (HARQ) acknowledgement (ACK)/negative acknowledgement (NACK) information for each respective downlink assignment of the first plurality of downlink assignments; and
receiving from the UE second UCI for the second plurality of downlink assignments on a second PUCCH that is different than the first PUCCH, the second UCI comprising a second HARQ ACK/NACK information for each downlink assignment of the second plurality of downlink assignments;
wherein:
the first UCI comprising the HARQ ACK/NACK information for each downlink assignment of the first plurality of downlink assignments that is transmitted during a first monitoring window;
the second UCI comprising the second HARQ ACK/NACK information for each downlink assignment of the second plurality of downlink assignments that is transmitted during a second monitoring window.

9. The method of claim 8 comprising:
transmitting, for each monitoring window of the first monitoring window and the second monitoring window, a configuration of the monitoring window that configures the UE with the monitoring window using parameters that are based on a granularity, wherein the parameters comprise one or a combination of:
a value of the CORESET identity that the monitoring window applies to;
start;
end;
duration;
offset; and
periodicity.

10. The method of claim 8 , wherein the first UCI comprising the first HARQ ACK/NAK information for each respective downlink assignment of the first plurality of downlink assignments and the second UCI comprising the second HARQ ACK/NAK information for each respective downlink assignment of the second plurality of downlink assignments are transmitted in different occasions.

11. The method of claim 10 , wherein each occasion includes one of a slot, an OFDM symbol, or a group of OFDM symbols.

12. The method of claim 8 , wherein the CORESET having the CORESET identity of the first value is associated with a first transmit receive point (TRP), and the CORESET having the CORESET identity of the second value is associated with second TRP different than the first TRP.

13. A user equipment (UE) comprising:
one or more process

Assignees

• Jassal Aman
• Lin Yicheng
• Farmanbar Hamidreza
• Baligh Mohammadhadi
• Xu Hua
• Huawei Tech Co Ltd

Inventors

• Jassal Aman
• Lin Yicheng
• Farmanbar Hamidreza
• Baligh Mohammadhadi
• Xu Hua

Classifications

• H04W72/21 Primary

  in the uplink direction of a wireless link, i.e. towards the network · CPC title

• H04L1/0026

  Transmission of channel quality indication · CPC title

• H04L1/1812

  Hybrid protocols; Hybrid automatic repeat request [HARQ] · CPC title

• H04L5/0055

  Physical resource allocation for ACK/NACK (for physical mapping arrangements in ARQ protocols H04L1/1861) · CPC title

• H04W24/10

  Scheduling measurement reports {; Arrangements for measurement reports} · CPC title