Reception of new radio (NR) multicast and broadcast service (MBS) control and data in the downlink
AssigneeIntel Products IP LLC
InventorsAvik Sengupta, Debdeep Chatterjee, Gang Xiong
Life of this patent
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Abstract
Various embodiments herein provide techniques related to downlink multicast and broadcast service (MBS) data and control. In embodiments, abase station may identify, based on an active bandwidth part (BWP) of a user equipment (UE), a transmission control indicator (TCI) state list configuration related to a unicast transmission to the UE; and transmit the multicast or broadcast transmission based on the TCI state list. Other embodiments may be described and/or claimed.
Claims20
One or more non-transitory computer-readable media (NTCRM) comprising instructions that, upon execution of the instructions by one or more processors, are to cause a user equipment (UE) to:
- identify, from a base station, a first transmission on a first downlink channel that includes a downlink control information (DCI) format 4_2 with an indication of a scheduling parameter for a multicast transmission on a second downlink channel;
- identify that a beam parameter related to transmission of the multicast transmission is not present in the DCI format 4_2;
- identify, based on a comparison of a timing threshold to a time difference between an end of the first transmission and a beginning of the multicast transmission, a beam parameter of the first transmission that corresponds to the beam parameter of the multicast transmission;
- and
- identify the multicast transmission based on the beam parameter of the first transmission.
An apparatus for use in a user equipment (UE), wherein the apparatus comprises:
- memory to store a received first transmission on a first downlink channel that includes a downlink control information (DCI) format 4_2 with an indication of a scheduling parameter for a multicast transmission on a second downlink channel;
- and
- one or more processors configured to:
- identify that a beam parameter related to transmission of the multicast transmission is not present in the DCI format 4_2;
- identify, based on a comparison of a timing threshold to a time difference between an end of the first transmission and a beginning of the multicast transmission, a beam parameter of the first transmission that corresponds to the beam parameter of the multicast transmission;
- and
- identify the multicast transmission based on the beam parameter of the first transmission.
One or more non-transitory computer-readable media (NTCRM) comprising instructions that, upon execution of the instructions by one or more processors, are to cause a base station to:
- transmit, to a user equipment (UE), a first transmission on a first downlink channel that includes a downlink control information (DCI) format 4_2 with an indication of a scheduling parameter for a multicast transmission on a second downlink channel;
- identify that a beam parameter related to transmission of the multicast transmission is not present in the DCI format 4_2;
- identify, based on a comparison of a timing threshold to a time difference between an end of the first transmission and a beginning of the multicast transmission, a beam parameter of the first transmission that corresponds to the beam parameter of the multicast transmission;
- and
- transmit, to the UE, the multicast transmission based on the beam parameter of the first transmission.
Dependencies are inferred from the claim text.