Transmission repetition for wireless communication

Patent metadata

Field	Value
Publication number	US-11729803-B2
Application number	US-202017091439-A
Country	US
Kind code	B2
Filing date	Nov 6, 2020
Priority date	Nov 7, 2019
Publication date	Aug 15, 2023
Grant date	Aug 15, 2023

Abstract

A wireless device may send uplink transmissions to a base station. The wireless device may use multiple spatial domain transmission filters for sending repetitions of data and/or control information in the uplink transmissions. The spatial domain transmission filters may be determined based on an indication from the base station and/or one or more spatial domain transmission filter(s) used for receiving control information from the base station.

First claim

The invention claimed is:

1. A method comprising:
receiving, by a wireless device and based on a transmission configuration indication (TCI) state, downlink control information (DCI) comprising an indication of a sounding reference signal (SRS) resource;
determining, based on the SRS resource, a first uplink spatial domain transmission filter for one or more first repetition occasions for a transport block;
determining, based on the TCI state, a second uplink spatial domain transmission filter for one or more second repetition occasions for the transport block;
transmitting, via the one or more first repetition occasions and based on the first uplink spatial domain transmission filter, the transport block; and
transmitting, via the one or more second repetition occasions and based on the second uplink spatial domain transmission filter, the transport block.

2. The method of claim 1 , further comprising:
receiving a medium access control control element (MAC CE) activating the TCI state.

3. The method of claim 1 , wherein the determining the first uplink spatial domain transmission filter comprises determining the first uplink spatial domain transmission filter based on a spatial domain transmission filter used for a transmission of an SRS via the SRS resource.

4. The method of claim 1 , wherein the determining the second uplink spatial domain transmission filter comprises determining the second uplink spatial domain transmission filter based on a spatial domain transmission filter used for receiving the DCI.

5. The method of claim 1 , further comprising receiving one or more indications of a quantity of a plurality of repetition occasions of the transport block, wherein the plurality of repetition occasions comprises the one or more first repetition occasions and the one or more second repetition occasions.

6. The method of claim 1 , wherein each of the one or more first repetition occasions and the one or more second repetition occasions comprises a same radio resource allocation for the transport block.

7. The method of claim 1 , wherein the one or more first repetition occasions and the one or more second repetition occasions are time division multiplexed.

8. The method of claim 1 , wherein:
the transmitting the transport block based on the first uplink spatial domain transmission filter comprises transmitting the transport block via a first uplink beam; and
the transmitting the transport block based on the second uplink spatial domain transmission filter comprises transmitting the transport block via a second uplink beam.

9. A method comprising:
receiving, by a wireless device, a medium access control control element (MAC CE) activating one or more transmission configuration indication (TCI) states;
receiving, based on a first TCI state of the one or more TCI states, downlink control information (DCI);
determining, based on the first TCI state, a first uplink spatial domain transmission filter, for one or more first repetition occasions for a transport block;
determining, based on a second TCI state of the one or more TCI states, a second uplink spatial domain transmission filter, for one or more second repetition occasions for the transport block;
transmitting, via the one or more first repetition occasions and based on the first uplink spatial domain transmission filter, the transport block; and
transmitting, via the one or more second repetition occasions and based on the second uplink spatial domain transmission filter, the transport block.

10. The method of claim 9 , wherein the determining the first uplink spatial domain transmission filter comprises determining the first uplink spatial domain transmission filter based on a spatial domain transmission filter used for receiving the DCI.

11. The method of claim 9 , wherein the determining the second uplink spatial domain transmission filter comprises determining the second uplink spatial domain transmission filter based on a spatial domain transmission filter used for a transmission of a reference signal associated with the second TCI state.

12. The method of claim 9 , wherein the determining the second uplink spatial domain transmission filter comprises determining the second uplink spatial domain transmission filter based on a spatial domain transmission filter used for a reception of a reference signal associated with the second TCI state.

13. The method of claim 9 , wherein the one or more first repetition occasions and the one or more second repetition occasions are time division multiplexed.

14. A wireless device comprising:
one or more processors; and
memory storing instructions that, when executed by the one or more processors, cause the wireless device to:
receive, based on a transmission configuration indication (TCI) state, downlink control information (DCI) comprising an indication of a sounding reference signal (SRS) resource;
determine, based on the SRS resource, a first uplink spatial domain transmission filter for one or more first repetition occasions for a transport block;
determine, based on the TCI state, a second uplink spatial domain transmission filter for one or more second repetition occasions for the transport block;
transmit, via the one or more first repetition occasions and based on the first uplink spatial domain transmission filter, the transport block; and
transmit, via the one or more second repetition occasions and based on the second uplink spatial domain transmission filter, the transport block.

15. The wireless device of claim 14 , wherein the instructions, when executed by the one or more processors, cause the wireless device to:
receive a medium access control control element (MAC CE) activating the TCI state.

16. The wireless device of claim 14 , wherein the instructions, when executed by the one or more processors, cause the wireless device to determine the first uplink spatial domain transmission filter based on a spatial domain transmission filter used for a transmission of an SRS via the SRS resource.

17. The wireless device of claim 14 , wherein the instructions, when executed by the one or more processors, cause the wireless device to determine the second uplink spatial domain transmission filter based on a spatial domain transmission filter used for receiving the DCI.

18. The wireless device of claim 14 , wherein the instructions, when executed by the one or more processors, cause the wireless device to receive one or more indications of a quantity of a plurality of repetition occasions of the transport block, wherein the plurality of repetition occasions comprises the one or more first repetition occasions and the one or more second repetition occasions.

19. The wireless device of claim 14 , wherein each of the one or more first repetition occasions and the one or more second repetition occasions comprises a same radio resource allocation for the transport block.

20. The wireless device of claim 14 , wherein the one or more first repetition occasions and the one or more second repetition occasions are time division multiplexed.

21. The wireless device of claim 14 , wherein the instructions, when executed by the one or more processors, cause the wireless device to:
transmit the transport block based on the first uplink spatial domain transmission filter by transmitting the transport block via a first uplink beam; and
transmit the transport block based on the second uplink spatial domain transmission filter by transmitting the transport block via a second uplink beam.

Assignees

• Comcast Cable Comm Llc

Inventors

• Xu Kai
• Dinan Esmael
• Zhou Hua
• Yi Yunjung
• Cirik Ali
• Jeon Hyoungsuk

Classifications

• H04B7/06966

  using beam correspondence; using channel reciprocity, e.g. downlink beam training based on uplink sounding reference signal [SRS] · CPC title

• H04B7/0486

  taking channel rank into account · CPC title

• H04W72/53 Primary

  based on regulatory allocation policies · CPC title

• H04B7/0695

  using beam selection · CPC title

• H04L1/08

  by repeating transmission, e.g. Verdan system {(H04L1/1858 and H04L1/189 take precedence)} · CPC title