Scheduling a group of user equipment by a network cell
A cell performs simultaneous scheduling for a group of user equipment (UE). The cell associates a radio network temporary identifier (RNTI) with a group of user equipment (UEs), transmits a signal to the group of UEs, the signal scrambled by the RNTI and including control information and performs an operation indicated in the control information.
1 . A method, comprising:
at a cell:
associating a first radio network temporary identifier (RNTI) and a second RNTI with a group of user equipment (UEs);
generating, for transmission, radio resource control (RRC) messages to one or more UEs from the group of UEs, the RRC messages comprising, the first RNTI, the second RNTI and parameters for hybrid automatic repeat request (HARQ) feedback related to group based scheduling;
generating, for transmission, a signal to the group of UEs, the signal including control information scheduling a physical downlink shared channel (PDSCH), wherein the one or more UEs of the group of UEs is to decode the signal based on the first RNTI combined with the second RNTI using a modular 2 addition; and
generating, for transmission, a medium access control (MAC) control element (CE) on the scheduled PDSCH, wherein the MAC CE indicates a change to a PDSCH transmissions configuration indicator (TCI) table for the group of UEs.
2 . The method of claim 1 , wherein all of the UEs in the group of UEs are configured to provide hybrid automatic request (HARQ) feedback associated with the signal.
3 . The method of claim 1 , wherein a subset of the UEs in the group of UEs are configured to provide hybrid automatic request (HARQ) feedback in response to the signal.
4 . The method of claim 1 , wherein the group of UEs are configured to provide the cell with one of i) hybrid automatic request (HARQ) feedback associated with the signal only when the signal is received, ii) HARQ feedback associated with the signal only when the signal is not received and iii) HARQ feedback associated with the signal when the signal is received and when the signal is not received.
5 . The method of claim 1 , wherein the first RNTI is a configured scheduling RNTI (CS-RNTI) and wherein the signal includes a payload of a third different RNTI.
6 . The method of claim 1 , wherein the signal corresponds to one of i) configure grant physical uplink shared channel (PUSCH) activation, ii) configure grant PUSCH deactivation, iii) semi-persistent-scheduled physical downlink shared channel (SPS-PDSCH) activation and iv) SPS-PDSCH deactivation.
7 . The method of claim 6 , wherein the signal is scrambled by a configured scheduling RNTI (CS-RNTI).
8 . The method of claim 1 , wherein the first RNTI is a Slot Format Indication RNTI (SFI-RNTI).
9 . The method of claim 1 , wherein the control information schedules a medium access control (MAC) control element (CE) for semi-persistent sounding reference signal (SP-SRS) activation or SP-SRS deactivation.
10 . The method of claim 1 , wherein the control information triggers each UE of the group of UEs to transmit aperiodic sounding reference signal (AP-SRS) and wherein performing the operation includes receiving AP-SRS.
11 . A cell, comprising:
a processor configured to perform operations comprising:
associating a first radio network temporary identifier (RNTI) and a second RNTI with a group of user equipment (UEs);
generating, for transmission, radio resource control (RRC) messages to one or more UEs from the group of UEs, the RRC messages comprising the first RNTI, the second RNTI and parameters for hybrid automatic repeat request (HARQ) feedback related to group based scheduling;
generating, for transmission, a signal to the group of UEs, the signal including control information scheduling a physical downlink shared channel (PDSCH), wherein the one or more UEs of the group of UEs are to decode the signal based on the first RNTI combined with the second RNTI using a modular 2 addition; and
generating, for transmission, a medium access control (MAC) control element (CE) on the scheduled PDSCH, wherein the MAC CE indicates a change to a PDSCH transmissions configuration indicator (TCI) table for the group of UEs; and
a transceiver communicatively connected to the processor.
12 . The cell of claim 11 , wherein a subset of the UEs in the group of UEs are configured to provide hybrid automatic request (HARQ) feedback in response to the signal.
13 . The cell of claim 11 , wherein the group of UEs are configured to provide the cell with one of i) hybrid automatic request (HARQ) feedback associated with the signal only when the signal is received, ii) HARQ feedback associated with the signal only when the signal is not received and iii) HARQ feedback associated with the signal when the signal is received and when the signal is not received.
14 . The cell of claim 11 , wherein the signal corresponds to one of i) configure grant physical uplink shared channel (PUSCH) activation, ii) configure grant PUSCH deactivation, iii) semi-persistent-scheduled physical downlink shared channel (SPS-PDSCH) activation and iv) SPS-PDSCH deactivation.
15 . A baseband processor configured to perform operations comprising:
associating a first radio network temporary identifier (RNTI) and a second RNTI with a group of user equipment (UEs);
generating, for transmission, radio resource control (RRC) messages to one or more UEs from the group of UEs, the RRC messages comprising the first RNTI, the second RNTI and parameters for hybrid automatic repeat request (HARQ) feedback related to group based scheduling;
generating, for transmission, a signal to the group of UEs, the signal including control information scheduling a physical downlink shared channel (PDSCH), wherein the one or more UEs of the group of UEs is to decode the signal based on the first RNTI combined with the second RNTI using a modular 2 addition; and
generating, for transmission, a medium access control (MAC) control element (CE) on the scheduled PDSCH, wherein the MAC CE indicates a change to a PDSCH transmissions configuration indicator (TCI) table for the group of UEs.
16 . The baseband processor of claim 15 , wherein the group of UEs are configured to provide a cell with one of i) hybrid automatic request (HARQ) feedback associated with the signal only when the signal is received, ii) HARQ feedback associated with the signal only when the signal is not received and iii) HARQ feedback associated with the signal when the signal is received and when the signal is not received.
17 . The baseband processor of claim 15 , wherein the signal corresponds to one of i) configure grant physical uplink shared channel (PUSCH) activation, ii) configure grant PUSCH deactivation, iii) semi-persistent-scheduled physical downlink shared channel (SPS-PDSCH) activation and iv) SPS-PDSCH deactivation.