Resource Configuration for Wireless Communication
Wireless devices may communicate via a plurality of transmission and/or reception beams. Control information may be used to indicate one or more beams to be used by wireless devices. A configuration message may indicate a portion of the control information corresponding to a particular wireless device of the wireless devices.
1 . A method comprising:
receiving, by a wireless device, downlink control information (DCI) comprising a plurality of fields indicating a plurality of transmission configuration indication (TCI) states, wherein each field, of the plurality of fields, is associated with a different control resource set (CORESET) pool index of a plurality of CORESET pool indexes, and wherein a field, of the plurality of fields, is for a CORESET pool index and indicates one or more TCI states for the CORESET pool index; and
communicating, via a transmission and reception point (TRP) associated with the CORESET pool index, based on a TCI state of the one or more TCI states that are indicated by the field.
2 . The method of claim 1 , further comprising:
receiving, based on the TCI state of the one or more TCI states that are indicated by the field, second DCI indicating a second TCI state of the one or more TCI states; and
communicating based on the second TCI state of the one or more TCI states that are indicated by the field.
3 . The method of claim 1 , wherein the DCI comprises group common DCI and wherein the receiving the DCI comprises receiving the DCI via a group common physical downlink control channel (PDCCH).
4 . The method of claim 1 , wherein the communicating comprises at least one of:
receiving a transport block via a physical downlink shared channel (PDSCH);
receiving second DCI via a physical downlink control channel (PDCCH);
sending a transport block via a physical uplink shared channel (PUSCH);
sending uplink control information (UCI) via a physical uplink control channel (PUCCH); or
sending a sounding reference signal via an uplink channel.
5 . The method of claim 1 , wherein the TCI state is associated with at least one of a lowest TCI state indicator, or a highest TCI state indicator, among one or more TCI state indicators of the one or more TCI states.
6 . The method of claim 1 , further comprising receiving an indication of a starting position of the field.
7 . The method of claim 1 , wherein each TCI state of the plurality of TCI states is associated with one or more reference signals, wherein the one or more reference signals comprise at least one of:
a synchronization signal block (SSB);
a channel state information reference signal (CSI-RS);
a demodulation reference signal (DMRS); or
a sounding reference signal (SRS).
8 . A method comprising:
receiving, by a wireless device, downlink control information (DCI) comprising a plurality of fields indicating a plurality of transmission configuration indication (TCI) states, wherein each field, of the plurality of fields, is associated with a different cell of a plurality of cells, and wherein a field, of the plurality of fields, is for a cell and indicates one or more TCI states for the cell; and
communicating, via the cell, based on a TCI state of the one or more TCI states that are indicated by the field.
9 . The method of claim 8 , further comprising:
receiving, based on the TCI state of the one or more TCI states that are indicated by the field, second DCI indicating a second TCI state of the one or more TCI states; and
communicating based on the second TCI state of the one or more TCI states that are indicated by the field.
10 . The method of claim 8 , wherein the DCI comprises group common DCI and wherein the receiving the DCI comprises receiving the DCI via a group common physical downlink control channel (PDCCH).
11 . The method of claim 8 , wherein the communicating comprises at least one of:
receiving a transport block via a physical downlink shared channel (PDSCH);
receiving second DCI via a physical downlink control channel (PDCCH);
sending a transport block via a physical uplink shared channel (PUSCH);
sending uplink control information (UCI) via a physical uplink control channel (PUCCH); or
sending a sounding reference signal via an uplink channel.
12 . The method of claim 8 , wherein the TCI state is associated with at least one of a lowest TCI state indicator, or a highest TCI state indicator, among one or more TCI state indicators of the one or more TCI states.
13 . The method of claim 8 , further comprising receiving an indication of a starting position of the field.
14 . The method of claim 8 , wherein each TCI state of the plurality of TCI states is associated with one or more reference signals, wherein the one or more reference signals comprise at least one of:
a synchronization signal block (SSB);
a channel state information reference signal (CSI-RS);
a demodulation reference signal (DMRS); or
a sounding reference signal (SRS).
15 . 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 downlink control information (DCI) comprising a plurality of fields indicating a plurality of transmission configuration indication (TCI) states, wherein each field, of the plurality of fields, is associated with a different control resource set (CORESET) pool index of a plurality of CORESET pool indexes, and wherein a field, of the plurality of fields, is for a CORESET pool index and indicates one or more TCI states for the CORESET pool index; and
communicate, via a transmission and reception point (TRP) associated with the CORESET pool index, based on a TCI state of the one or more TCI states that are indicated by the field.
16 . The wireless device of claim 15 , wherein the instructions, when executed by the one or more processors, cause the wireless device to:
receive, based on the TCI state of the one or more TCI states that are indicated by the field, second DCI indicating a second TCI state of the one or more TCI states; and
communicate based on the second TCI state of the one or more TCI states that are indicated by the field.
17 . The wireless device of claim 15 , wherein the DCI comprises group common DCI and wherein the instructions, when executed by the one or more processors, cause the wireless device to receive the DCI by causing receiving the DCI via a group common physical downlink control channel (PDCCH).
18 . The wireless device of claim 15 , wherein the instructions, when executed by the one or more processors, cause the wireless device to communicate by causing at least one of:
receiving a transport block via a physical downlink shared channel (PDSCH);
receiving second DCI via a physical downlink control channel (PDCCH);
sending a transport block via a physical uplink shared channel (PUSCH);
sending uplink control information (UCI) via a physical uplink control channel (PUCCH); or
sending a sounding reference signal via an uplink channel.
19 . The wireless device of claim 15 , wherein the TCI state is associated with at least one of a lowest TCI state indicator, or a highest TCI state indicator, among one or more TCI state indicators of the one or more TCI states.
20 . The wireless device of claim 15 , wherein the instructions, when executed by the one or more processors, cause the wireless device to receive an indication of a starting position of the field.
21 . The wireless device of claim 15 , wherein each TCI state of the plurality of TCI states is associated with one or more reference signals, wherein the one or more reference signals comprise at least one of:
a synchronization signal block (SSB);
a channel state information reference signal (CSI-RS);
a demodulation reference signal (DMRS); or
a sounding reference signal (SRS).
22 . 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 downlink control information (DCI) comprising a plurality of fields indicating a plurality of transmission configuration indication (TCI) states, wherein each field, of the plurality of fields, is associated with a different cell of a plurality of cells, and wherein a field, of the plurality of fields, is for a cell and indicates one or more TCI states for the cell; and
communicate, via the cell, based on a TCI state of the one or more TCI states that are indicated by the field.
23 . The wireless device of claim 22 , wherein the instructions, when executed by the one or more processors, cause the wireless device to:
receive, based on the TCI state of the one or more TCI states that are indicated by the field, second DCI indicating a second TCI state of the one or more TCI states; and
communicate based on the second TCI state of the one or more TCI states that are indicated by the field.
24 . The wireless device of claim 22 , wherein the DCI comprises group common DCI and wherein the instructions, when executed by the one or more processors, cause the wireless device to receive the DCI by causing receiving the DCI via a group common physical downlink control channel (PDCCH).
25 . The wireless device of claim 22 , wherein the instructions, when executed by the one or more processors, cause the wireless device to communicate by causing at least one of:
receiving a transport block via a physical downlink shared channel (PDSCH);
receiving second DCI via a physical downlink control channel (PDCCH);
sending a transport block via a physical uplink shared channel (PUSCH);
sending uplink control information (UCI) via a physical uplink control channel (PUCCH); or
sending a sounding reference signal via an uplink channel.
26 . The wireless device of claim 22 , wherein the TCI state is associated with at least one of a lowest TCI state indicator, or a highest TCI state indicator, among one or more TCI state indicators of the one or more TCI states.
27 . The wireless device of claim 22 , wherein the instructions, when executed by the one or more processors, cause the wireless device to receive an indication of a starting position of the field.
28 . The wireless device of claim 22 , wherein each TCI state of the plurality of TCI states is associated with one or more reference signals, wherein the one or more reference signals comprise at least one of:
a synchronization signal block (SSB);
a channel state information reference signal (CSI-RS);
a demodulation reference signal (DMRS); or
a sounding reference signal (SRS).