Position of a channel occupancy time parameter in a downlink control channel
A wireless device receives configuration parameters indicating: a plurality of a channel occupancy time (COT) parameters of a COT of a cell; and a position parameter for the COT of the cell. A downlink control information (DCI) comprising a plurality of fields is received. The position parameter indicates a position of a field, of the plurality of fields. The field indicates a COT parameter, of the plurality of COT parameters. A transport block is transmitted via uplink resources of the COT with the COT parameter.
1. A method comprising:
receiving, by a wireless device, configuration parameters indicating:
a plurality of a channel occupancy time (COT) parameters of a COT of a cell; and
a position parameter for the COT of the cell;
receiving a downlink control information (DCI) comprising a plurality of fields, wherein:
the position parameter indicates a position of a field, of the plurality of fields; and
the field indicates a COT parameter, of the plurality of COT parameters; and
transmitting a transport block via uplink resources of the COT with the COT parameter.
2. The method of claim 1 , wherein the COT parameter indicates a length of the COT in terms of symbols.
3. The method of claim 1 , wherein the COT parameter indicates a slot format combination.
4. The method of claim 3 , wherein a length of the slot format combination in a time domain is equal to a length of the COT in terms of symbols.
5. The method of claim 4 , wherein the symbols are orthogonal frequency division multiplexing symbols.
6. The method of claim 1 , wherein the plurality of COT parameters comprises a plurality of slot format combinations.
7. The method of claim 1 , wherein the COT parameter indicates a structure of the COT.
8. The method of claim 1 , wherein:
the configuration parameters further indicate a slot format indicator-radio network temporary identifier (SFI-RNTI); and
the DCI is scrambled with the SFI-RNTI.
9. The method of claim 1 , wherein the receiving the DCI comprises receiving the DCI at a beginning of the COT.
10. The method of claim 1 , wherein the receiving the DCI comprises receiving the DCI at:
multiple time domain positions in the COT; or
multiple frequency domain positions in the COT.
11. 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 configuration parameters indicating:
a plurality of a channel occupancy time (COT) parameters of a COT of a cell; and
a position parameter for the COT of the cell;
receive a downlink control information (DCI) comprising a plurality of fields, wherein:
the position parameter indicates a position of a field, of the plurality of fields; and
the field indicates a COT parameter, of the plurality of COT parameters; and
transmit a transport block via uplink resources of the COT with the COT parameter.
12. The wireless device of claim 11 , wherein the COT parameter indicates a length of the COT in terms of symbols.
13. The wireless device of claim 11 , wherein the COT parameter indicates a slot format combination.
14. The wireless device of claim 13 , wherein a length of the slot format combination in a time domain is equal to a length of the COT in terms of symbols.
15. The wireless device of claim 14 , wherein the symbols are orthogonal frequency division multiplexing symbols.
16. The wireless device of claim 11 , wherein the plurality of COT parameters comprises a plurality of slot format combinations.
17. The wireless device of claim 11 , wherein the COT parameter indicates a structure of the COT.
18. The wireless device of claim 11 , wherein:
the configuration parameters further indicate a slot format indicator-radio network temporary identifier (SFI-RNTI); and
the DCI is scrambled with the SFI-RNTI.
19. The wireless device of claim 11 , wherein the DCI is received at a beginning of the COT.
20. A system comprising:
a base station comprising:
one or more first processors; and
first memory storing first instructions that, when executed by the one or more first processors of the base station, cause the base station to:
transmit configuration parameters indicating:
a plurality of a channel occupancy time (COT) parameters of a COT of a cell; and
a position parameter for the COT of the cell; and
transmit a downlink control information (DCI) comprising a plurality of fields, wherein:
the position parameter indicates a position of a field, of the plurality of fields; and
the field indicates a COT parameter, of the plurality of COT parameters; and
a wireless device comprising:
one or more second processors; and
second memory storing second instructions that, when executed by the one or more second processors of the wireless device, cause the wireless device to:
receive the configuration parameters;
receive the DCI; and
transmit a transport block via uplink resources of the COT with the COT parameter.