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) associated with a plurality of wireless devices comprising the wireless device, wherein the DCI comprises 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 wireless device of the plurality of wireless devices, and wherein a field, of the plurality of fields, is for the wireless device and indicates one or more TCI states for the wireless device; and
communicating 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 . The method of claim 1 , wherein each field of the plurality of fields of the DCI indicates one or more TCI states, of the plurality of TCI states, for a respective wireless device.
9 . The method of claim 1 , wherein the communicating based on the TCI state comprises communicating based on a spatial domain filter corresponding to the TCI state.
10 . A method comprising:
sending, by a base station, downlink control information (DCI) associated with a plurality of wireless devices, wherein the DCI comprises 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 wireless device of the plurality of wireless devices, and wherein a field, of the plurality of fields, is for a wireless device, among the plurality of wireless devices, and indicates one or more TCI states for the wireless device; and
communicating, with the wireless device, based on a TCI state of the one or more TCI states that are indicated by the field.
11 . The method of claim 10 , wherein the DCI comprises group common DCI and wherein the sending the DCI comprises sending the DCI via a group common physical downlink control channel (PDCCH).
12 . The method of claim 10 , wherein the communicating comprises at least one of:
sending a transport block via a physical downlink shared channel (PDSCH);
sending second DCI via a physical downlink control channel (PDCCH);
receiving a transport block via a physical uplink shared channel (PUSCH);
receiving uplink control information (UCI) via a physical uplink control channel (PUCCH); or
receiving a sounding reference signal via an uplink channel.
13 . The method of claim 10 , 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.
14 . The method of claim 10 , further comprising sending an indication of a starting position of the field.
15 . The method of claim 10 , 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).
16 . The method of claim 10 , wherein each field of the plurality of fields of the DCI indicates one or more TCI states, of the plurality of TCI states, for a respective wireless device.
17 . 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) associated with a plurality of wireless devices comprising the wireless device, wherein the DCI comprises 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 wireless device of the plurality of wireless devices, and wherein a field, of the plurality of fields, is for the wireless device and indicates one or more TCI states for the wireless device; and
communicate based on a TCI state of the one or more TCI states that are indicated by the field.
18 . The wireless device of claim 17 , 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.
19 . The wireless device of claim 17 , 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).
20 . The wireless device of claim 17 , 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.
21 . The wireless device of claim 17 , 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.
22 . The wireless device of claim 17 , wherein the instructions, when executed by the one or more processors, cause the wireless device to communicate based on the TCI state by causing communicating based on a spatial domain filter corresponding to the TCI state.
23 . A base station comprising:
one or more processors; and
memory storing instructions that, when executed by the one or more processors, cause the base station to:
send downlink control information (DCI) associated with a plurality of wireless devices, wherein the DCI comprises 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 wireless device of the plurality of wireless devices, and wherein a field, of the plurality of fields, is for a wireless device, among the plurality of wireless devices, and indicates one or more TCI states for the wireless device; and
communicate, with the wireless device, based on a TCI state of the one or more TCI states that are indicated by the field.
24 . The base station of claim 23 , wherein the DCI comprises group common DCI and wherein the instructions, when executed by the one or more processors, cause the base station to send the DCI by causing sending the DCI via a group common physical downlink control channel (PDCCH).
25 . The base station of claim 23 , 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.
26 . The base station of claim 23 , wherein the instructions, when executed by the one or more processors, cause the base station to send an indication of a starting position of the field.