# US 2021/0243782 A1 · Methods of enhanced sps transmission and harq feedback > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0243782 A1 - Document ID: US20210243782A1 - Status: Published application - Kind: A1 - Application number: 17/236,702 - Filed: 2021-04-21 - Published: 2021-08-05 - Earliest claimed: 2020-04-21 - Inventors: Honglei Miao - Web page: https://patentgrep.com/patent/US20210243782A1 ## CPC - H04L 1/1854: {Scheduling and prioritising arrangements} - H04W 72/1273: of downlink data flows - H04L 5/0037: {Inter-user or inter-terminal allocation} - H04L 5/0091: {Signalling for the administration of the divided path, e.g. signalling of configuration information} - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04W 72/30: Resource management for broadcast services - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract An apparatus, a method, and a computer-readable storage medium. The apparatus is to encode or decode a radio resource control (RRC) message from a NR evolved Node B (gNB) including at least one of: one or more configured scheduling radio network temporary identifiers (CS-RNTIs) including one of: one CS-RNTI to activate, deactivate or retransmit a semi-persistent scheduling (SPS) grant for unicast downlink (DL) transmission to the UE, or a plurality of CS-RNTIs to activate, deactivate or retransmit a respective plurality of SPS grants for multicast DL transmission to a plurality of UEs including the UE; or a semi-persistent scheduling configuration message SPS-Config including parameters defining an index of associated CS-RNTI SPS-ConfigIndex including a cs-RNTI-identification (cs-RNTI-id) parameter and downlink scheduling PDSCH data scrambling identifications, the downlink scheduling PDSCH data scrambling identifications including a parameter dataScramblingIdentityPDSCH, and an optional parameter dataScramblingIdentityPDSCH2. ## Claims ### Claim 1 An apparatus of a New Radio (NR) evolved Node B (gNB), the apparatus including one or more processing circuitries including a digital baseband processing circuitry, and a protocol processing circuitry coupled to the digital baseband processing circuitry, the one or more circuitries to: encode for transmission to one or more user equipments (UEs) a radio resource control (RRC) message including at least one of: one or more configured scheduling radio network temporary identifiers (CS-RNTIs) including one of: one CS-RNTI to activate, deactivate or retransmit a semi-persistent scheduling (SPS) grant for unicast downlink (DL) transmission when the one or more UEs include one UE, or a plurality of CS-RNTIs to activate, deactivate or retransmit a respective plurality of SPS grants for multicast DL transmission when the one or more UEs include a plurality of UEs; or a semi-persistent scheduling configuration message SPS-Config including parameters defining an index of associated CS-RNTI SPS-ConfigIndex including a cs-RNTI-identification (cs-RNTI-id) parameter and downlink scheduling PDSCH data scrambling identifications, the downlink scheduling PDSCH data scrambling identifications including a parameter dataScramblingIdentityPDSCH, and an optional parameter dataScramblingIdentityPDSCH2; and cause transmission to the one or more UEs of the RRC message to configure the one or more UEs with one or more respective SPS configurations. ### Claim 2 (depends on 1) The apparatus of claim 1, wherein, when the RRC message includes the one or more CS-RNTIs, each of the plurality of CS-RNTIs is associated with a respective SPS configuration of a group of SPS configurations, and a SPS-ConfigIndex parameter of the RRC message is numbered within a group of SPS configurations associated with a same CS-RNTI. ### Claim 3 (depends on 2) The apparatus of claim 2, wherein, when the RRC message includes the one or more CS-RNTIs, the RRC message includes a RRC information element (IE) to configure a physical cell group defining the one or more UEs, PhysicalCellGroupConfig, and including a sequence comprising a list of the one or more CS-RNTIs, cs-RNTIList, and a sequence of CS-RNTIType defining respective types for the one or more CS-RNTIs, the sequence of CS-RNTIType having a size from 1 to a maximum number of CS-RNTI supported, maxNrofCSRNTI. ### Claim 4 (depends on 3) The apparatus of claim 3, wherein, when the RRC message includes the one or more CS-RNTIs, the RRC message includes a cs-RNTI-identification (cs-RNTI-id) parameter, cs-RNTI-id, and an index of the CS-RNTI configured for a UE is used to identify respective RNTIs in other RRC configuration IEs. ### Claim 5 (depends on 3) The apparatus of claim 3, the cs-RNTIList defines a list of the one or more CS-RNTIs being configured to the one or more UEs for the physical cell group, each CS-RNT value in the list corresponding to one of a unicast type, a multicast/groupcast type, or a broadcast type. ### Claim 6 (depends on 1) The apparatus of claim 1, wherein, when the RRC message includes the one or more CS-RNTIs, the one CS-RNTI is to schedule a unicast DL SPS transmission, and the plurality of CS-RNTIs are to schedule groupcast SPS transmissions for different groups of UEs, wherein the one or more UEs are to be part of a serving cell including multiple groupcast groups of UEs, each group of the multiple groups containing either non-overlapped UEs or a partially overlapped set of UEs, and wherein the plurality of CS-RNTIs includes a same CS-RNTI value to correspond to all UEs in a same group of the multiple groupcast groups of UEs. ### Claim 7 (depends on 6) The apparatus of claim 6, wherein the plurality of CS-RNTIs includes different CS-RNTI values to configure a same UE of the one or more UEs based on a number of groups of the multiple groupcast groups that the same UE belongs to. ### Claim 8 (depends on 1) The apparatus of claim 1, wherein, when the parameters defining an index of associated CS-RNTI SPS-ConfigIndex are not configured in SPS-Config, a default value of cs-RNTI-id is to be set to 1, and dataScramblingIdentityPDSCH, and dataScramblingIdentityPDSCH2 are to correspond to respective corresponding parameters configured in a physical downlink shared channel (PDSCH) configuration message, PDSCH-Config, in a same bandwidth part, cs-RNTI-id corresponding to a CS-RNTI used for unicast SPS DL transmission. ### Claim 9 (depends on 2) The apparatus of claim 2, wherein the cs-RNTI identification parameter comprises a cs-RNTI-id-rXX parameter including one or more cs-RNTI-ids corresponding to an integer number from 1 to a maximum number of CS-RNTIs, maxNrofCS-RNTI, specifying a maximum number of CS-RNTI supported, a dataScramblingIdentityPDSCH-rXX parameter corresponding to an integer number from 1 to 1023, and a dataScramblingIdentityPDSCH-rXX2 parameter corresponding to an integer number from 1 to 1023. ### Claim 10 (depends on 9) The apparatus of claim 9, wherein sps-ConfigIndex-rXX is numbered within a SPS-Config group corresponding to a same CS-RNTI, sps-ConfigIndex-rXXs in two SPS-Configs being configured with different CS-RNTIs while sharing a same number value, and a hybrid automatic repeat request (HARQ) process identification (ProcID) offset parameter, harq-ProcID-Offset-r16, including different number values to correspond to non-overlapped HARQ process ID spaces for different SPS-Configs corresponding to different CS-RNTI. ### Claim 11 (depends on 9) The apparatus of claim 9, wherein the one or more circuitries are to scramble a downlink control information message (DCI) with CS-RNTI identified by cs-RNTI-id-rXX, the SPS-Config with the sps-ConfigIndex-rXX is signaled in the DCI and is addressed for activation/release/retransmission. ### Claim 12 (depends on 11) The apparatus of claim 11, wherein the CS-RNTI identified by cs-RNTI-id-rXX is associated with nRNTI to generate a PDSCH data scrambling sequence. ### Claim 13 (depends on 12) The apparatus of claim 12, wherein parameter nID∈{0,1, . . . , 1023} used for PDSCH data scrambling sequence generation is based on dataScramblingIdentityPDSCH-rXX. ### Claim 14 (depends on 1) The apparatus of claim 1, the one or more circuitries to further process information from a core network regarding the one or more CS-RNTI or the SPS-Config, and encoding based on the information from the core network. ### Claim 15 (depends on 1) The apparatus of claim 1, further including a radio front end circuitry coupled to the one or more circuitries, and one or more antennas coupled to the radio front end circuitry to transmit and receive wireless signals. ### Claim 16 A method to be performed at a New Radio (NR) evolved Node B (gNB) including: encoding for transmission to one or more user equipments (UEs) a radio resource control (RRC) message including at least one of: one or more configured scheduling radio network temporary identifiers (CS-RNTIs) including one of: one CS-RNTI to activate, deactivate or retransmit a semi-persistent scheduling (SPS) grant for unicast downlink (DL) transmission when the one or more UEs include one UE, or a plurality of CS-RNTIs to activate, deactivate or retransmit a respective plurality of SPS grants for multicast DL transmission when the one or more UEs include a plurality of UEs; or a semi-persistent scheduling configuration message SPS-Config including parameters defining an index of associated CS-RNTI SPS-ConfigIndex including a cs-RNTI-identification (cs-RNTI-id) parameter and downlink scheduling PDSCH data scrambling identifications, the downlink scheduling PDSCH data scrambling identifications including a parameter dataScramblingIdentityPDSCH, and an optional parameter dataScramblingIdentityPDSCH2; and causing transmission to the one or more UEs of the RRC message to configure the one or more UEs with one or more respective SPS configurations. ### Claim 17 (depends on 16) The method of claim 16, wherein, when the RRC message includes the one or more CS-RNTIs, each of the plurality of CS-RNTIs is associated with a respective SPS configuration of a group of SPS configurations, and a SPS-ConfigIndex parameter of the RRC message is numbered within a group of SPS configurations associated with a same CS-RNTI. ### Claim 18 (depends on 17) The method of claim 17, wherein, when the RRC message includes the one or more CS-RNTIs, the RRC message includes a RRC information element (IE) to configure a physical cell group defining the one or more UEs, PhysicalCellGroupConfig, and including a sequence comprising a list of the one or more CS-RNTIs, cs-RNTIList, and a sequence of CS-RNTIType defining respective types for the one or more CS-RNTIs, the sequence of CS-RNTIType having a size from 1 to a maximum number of CS-RNTI supported, maxNrofCSRNTI. ### Claim 19 (depends on 18) The method of claim 18, wherein, when the RRC message includes the one or more CS-RNTIs, the RRC message includes a cs-RNTI-identification (cs-RNTI-id) parameter, cs-RNTI-id, and an index of the CS-RNTI configured for a UE is used to identify respective RNTIs in other RRC configuration IEs. ### Claim 20 A non-transitory machine-readable storage medium comprising instructions to cause an device of a New Radio (NR) evolved Node B (gNB), upon execution of the instructions by one or more circuitries of the device, to perform operations including: encoding for transmission to one or more user equipments (UEs) a radio resource control (RRC) message including at least one of: one or more configured scheduling radio network temporary identifiers (CS-RNTIs) including one of: one CS-RNTI to activate, deactivate or retransmit a semi-persistent scheduling (SPS) grant for unicast downlink (DL) transmission when the one or more UEs include one UE, or a plurality of CS-RNTIs to activate, deactivate or retransmit a respective plurality of SPS grants for multicast DL transmission when the one or more UEs include a plurality of UEs; or a semi-persistent scheduling configuration message SPS-Config including parameters defining an index of associated CS-RNTI SPS-ConfigIndex including a cs-RNTI-identification (cs-RNTI-id) parameter and downlink scheduling PDSCH data scrambling identifications, the downlink scheduling PDSCH data scrambling identifications including a parameter dataScramblingIdentityPDSCH, and an optional parameter dataScramblingIdentityPDSCH2; and causing transmission to the one or more UEs of the RRC message to configure the one or more UEs with one or more respective SPS configurations. ### Claim 21 (depends on 20) The machine-readable storage medium of claim 20, wherein, when the RRC message includes the one or more CS-RNTIs, each of the plurality of CS-RNTIs is associated with a respective SPS configuration of a group of SPS configurations, and a SPS-ConfigIndex parameter of the RRC message is numbered within a group of SPS configurations associated with a same CS-RNTI. ### Claim 22 (depends on 21) The machine-readable storage medium of claim 21, wherein, when the RRC message includes the one or more CS-RNTIs, the RRC message includes a RRC information element (IE) to configure a physical cell group defining the one or more UEs, PhysicalCellGroupConfig, and including a sequence comprising a list of the one or more CS-RNTIs, cs-RNTIList, and a sequence of CS-RNTIType defining respective types for the one or more CS-RNTIs, the sequence of CS-RNTIType having a size from 1 to a maximum number of CS-RNTI supported, maxNrofCSRNTI. ### Claim 23 (depends on 22) The machine-readable storage medium of claim 22, wherein, when the RRC message includes the one or more CS-RNTIs, the RRC message includes a cs-RNTI-identification (cs-RNTI-id) parameter, cs-RNTI-id, and an index of the CS-RNTI configured for a UE is used to identify respective RNTIs in other RRC configuration IEs. ### Claim 24 (depends on 23) The machine-readable storage medium of claim 23, wherein, when the RRC message includes the one or more CS-RNTIs, the RRC message includes a parameter maxNrofCS-RNTI specifying a maximum number of CS-RNTI supported. ### Claim 25 (depends on 23) The machine-readable storage medium of claim 23, the cs-RNTIList defines a list of the one or more CS-RNTIs being configured to the one or more UEs for the physical cell group, each CS-RNT value in the list corresponding to one of a unicast type, a multicast/groupcast type, or a broadcast type.