# US 12,120,556 B2 · Multiplexing of multiple handover commands > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,120,556 B2 - Document ID: US12120556B2 - Status: Granted - Kind: B2 - Application number: 17/806,457 - Filed: 2022-06-10 - Published: 2023-12-14 - Granted: 2024-10-15 - Earliest claimed: 2022-06-10 - Assignees: QUALCOMM Incorporated - Applicants: QUALCOMM Incorporated - Inventors: Bharat Shrestha; Umesh Phuyal - Web page: https://patentgrep.com/patent/US12120556B2 ## CPC - H04W 36/0009: {for a plurality of users or terminals, e.g. group communication or moving wireless networks (user group management H04W4/08; processing of subscriber group data H04W8/186)} - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04W 36/0061: {of neighbour cell information} - H04W 36/00835: {Determination of neighbour cell lists} - H04W 36/083: {wherein at least one of the access points is a moving node} - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract Apparatus, methods, and computer program products for handover are provided. An example method may include receiving a physical downlink shared channel (PDSCH) transmission from a network entity, the PDSCH transmission comprising a set of radio resource control (RRC) messages, each RRC message in the set of RRC messages comprises a respective group handover configuration in a set of group handover configurations associated with a respective UE in a set of UEs including the UE, the set of RRC messages being included in a set of medium access control (MAC) service data units (SDUs) (MAC SDUs) in a MAC protocol data unit (PDU). The example method may further include processing a first subset of the MAC SDUs that are associated with the UE and discard a second subset the MAC SDUs that are not applicable to the UE. ## Claims ### Claim 1 An apparatus for wireless communication at a user equipment (UE), comprising: a memory; and at least one processor coupled to the memory, wherein the at least one processor is configured to: receive a physical downlink shared channel (PDSCH) transmission from a network entity, the PDSCH transmission comprising a set of radio resource control (RRC) messages, each RRC message in the set of RRC messages comprises a respective group handover configuration in a set of group handover configurations associated with a respective UE in a set of UEs including the UE, the set of RRC messages being included in a set of medium access control (MAC) service data units (SDUs) (MAC SDUs) in a MAC protocol data unit (PDU); process a first subset of the MAC SDUs that are associated with the UE and discard a second subset the MAC SDUs that are not applicable to the UE, the first subset of MAC SDUs comprising a common MAC SDU and at least a UE specific MAC SDU; and connect to a target network entity based on a group handover configuration in the set of group handover configurations, the group handover configuration being associated with the UE. ### Claim 2 (depends on 1) The apparatus of claim 1, wherein the at least one processor is configured to: receive the common MAC SDU associated with a target serving cell configuration associated with each UE of the set of UEs, wherein the common MAC SDU is received in a system information block (SIB), a broadcast PDSCH, a group PDSCH, or a unicast PDSCH, wherein the target serving cell configuration is associated with the target network entity, and wherein the common MAC SDU is separate from the set of MAC SDUs. ### Claim 3 (depends on 2) The apparatus of claim 2, wherein the common MAC SDU comprises a delta configuration with regard to a default target cell configuration or a source cell configuration for each UE of the set of UEs. ### Claim 4 (depends on 2) The apparatus of claim 2, wherein the common MAC SDU comprises a frequency or a cell identifier (ID) associated with a target cell associated with the target network entity. ### Claim 5 (depends on 1) The apparatus of claim 1, wherein the MAC PDU comprises a common MAC SDU associated with a target serving cell configuration associated with each UE of the set of UEs, wherein the target serving cell configuration is associated with the target network entity. ### Claim 6 (depends on 5) The apparatus of claim 5, wherein the common MAC SDU corresponds to a start of the MAC PDU, and wherein the MAC PDU comprises a MAC subheader comprising an index representing an association between the set of RRC messages and the set of UEs. ### Claim 7 (depends on 6) The apparatus of claim 6, wherein each RRC message in the set of RRC messages is associated with a priority associated with high priority logical channels for signal radio bearers (SRBs). ### Claim 8 (depends on 5) The apparatus of claim 5, wherein the common MAC SDU is associated with a logical channel identifier (LCID), and wherein the LCID is associated with a bitmap subheader representing an index representing an association between the set of RRC messages and the set of UEs. ### Claim 9 (depends on 5) The apparatus of claim 5, wherein the common MAC SDU is after a MAC subheader in the MAC PDU, wherein the MAC subheader indicates a list of cell-RNTIs (C-RNTIs) representing an index representing an association between the set of RRC messages and the set of UEs. ### Claim 10 (depends on 5) The apparatus of claim 5, wherein the MAC PDU further comprises a set of cell-RNTI (C-RNTI) MAC control elements (MAC CEs) associated with the set of RRC messages and the set of UEs. ### Claim 11 (depends on 1) The apparatus of claim 1, wherein the UE is configured to: receive a physical downlink control channel (PDCCH) transmission associated with a group radio network temporary identifier (RNTI) scheduling the PDSCH transmission for the set of UEs including the UE, the PDCCH transmission being received from the network entity, the group RNTI being associated with each UE in the set of UEs. ### Claim 12 (depends on 11) The apparatus of claim 11, wherein the at least one processor is configured to: transmit a hybrid automatic repeat request (HARQ) response associated with a HARQ process configured for the PDCCH transmission. ### Claim 13 (depends on 12) The apparatus of claim 12, wherein the HARQ response is independent of a feedback enable or disable configuration. ### Claim 14 (depends on 1) The apparatus of claim 1, further comprising a transceiver or an antenna coupled to the at least one processor, and wherein the transceiver or the antenna is configured to receive the PDSCH transmission. ### Claim 15 An apparatus for wireless communication at a network entity, comprising: a memory; and at least one processor coupled to the memory, wherein the at least one processor is configured to: transmit a physical downlink control channel (PDCCH) transmission associated with a group radio network temporary identifier (RNTI) scheduling a physical downlink shared channel (PDSCH) transmission for a set of user equipments (UEs), the group RNTI being associated with each UE in the set of UEs; and transmit the PDSCH transmission, the PDSCH transmission comprising a set of radio resource control (RRC) messages, each RRC message in the set of RRC messages comprises a respective group handover configuration in a set of group handover configurations associated with a respective UE in the set of UEs, the set of RRC messages being included in a set of medium access control (MAC) service data units (SDUs) (MAC SDUs) in a MAC protocol data unit (PDU), the set of MAC SDUs comprising a common SDU for the set of UEs and a subset of SDUs for each respective UE in the set of UEs. ### Claim 16 (depends on 15) The apparatus of claim 15, wherein the at least one processor is configured to: transmit the common MAC SDU associated with a target serving cell configuration associated with each UE of the set of UEs in a system information block (SIB), a broadcast PDSCH, a group PDSCH, a unicast PDSCH, or a group handover configuration, wherein the target serving cell configuration is associated with a target network entity, and wherein the common MAC SDU is separate from the set of MAC SDUs. ### Claim 17 (depends on 16) The apparatus of claim 16, wherein the common MAC SDU comprises a delta configuration with regard to a default target cell configuration or a source cell configuration for each UE of the set of UEs. ### Claim 18 (depends on 16) The apparatus of claim 16, wherein the common MAC SDU comprises a frequency or a cell identifier (ID) associated with a target cell associated with the target network entity. ### Claim 19 (depends on 15) The apparatus of claim 15, wherein the group RNTI is associated with an index representing an association between the set of RRC messages and the set of UEs. ### Claim 20 (depends on 15) The apparatus of claim 15, wherein the MAC PDU comprises a common MAC SDU associated with a target serving cell configuration associated with each UE of the set of UEs, wherein the target serving cell configuration is associated with a target network entity. ### Claim 21 (depends on 20) The apparatus of claim 20, wherein the common MAC SDU corresponds to a start of the MAC PDU, and wherein the MAC PDU comprises a MAC subheader comprising an index representing an association between the set of RRC messages and the set of UEs. ### Claim 22 (depends on 21) The apparatus of claim 21, wherein each RRC message in the set of RRC messages is associated with a priority associated with high priority logical channels for signal radio bearers (SRBs). ### Claim 23 (depends on 20) The apparatus of claim 20, wherein the common MAC SDU is associated with a logical channel identifier (LCID), and wherein the LCID is associated with a bitmap subheader representing an index representing an association between the set of RRC messages and the set of UEs. ### Claim 24 (depends on 20) The apparatus of claim 20, wherein the common MAC SDU is after a MAC subheader in the MAC PDU, wherein the MAC subheader indicates a list of cell-RNTIs (C-RNTIs) representing an index representing an association between the set of RRC messages and the set of UEs. ### Claim 25 (depends on 20) The apparatus of claim 20, wherein the MAC PDU further comprises a set of cell-RNTI (C-RNTI) MAC control elements (MAC CEs) associated with the set of RRC messages and the set of UEs. ### Claim 26 (depends on 15) The apparatus of claim 15, wherein the at least one processor is configured to: receive a hybrid automatic repeat request (HARQ) response associated with a HARQ process configured for the PDCCH transmission. ### Claim 27 (depends on 26) The apparatus of claim 26, wherein the HARQ response is independent of a feedback enable or disable configuration. ### Claim 28 (depends on 15) The apparatus of claim 15, further comprising a transceiver or an antenna coupled to the at least one processor, and wherein the transceiver or the antenna is configured to transmit the PDSCH transmission. ### Claim 29 A method of wireless communication at a user equipment (UE), comprising: receiving a physical downlink shared channel (PDSCH) transmission from a network entity, the PDSCH transmission comprising a set of radio resource control (RRC) messages, each RRC message in the set of RRC messages comprises a respective group handover configuration in a set of group handover configurations associated with a respective UE in a set of UEs including the UE, the set of RRC messages being included in a set of medium access control (MAC) service data units (SDUs) (MAC SDUs) in a MAC protocol data unit (PDU); processing a first subset of the MAC SDUs that are associated with the UE and discard a second subset the MAC SDUs that are not applicable to the UE, the first subset of MAC SDUs including a common MAC SDU and at least a UE specific MAC SDU; and connecting to a target network entity based on a group handover configuration in the set of group handover configurations, the group handover configuration being associated with the UE. ### Claim 30 A method of wireless communication at a network entity, comprising: transmitting a physical downlink control channel (PDCCH) transmission associated with a group radio network temporary identifier (RNTI) scheduling a physical downlink shared channel (PDSCH) transmission for a set of UEs, the group RNTI being associated with each UE in the set of UEs; and transmitting the PDSCH transmission, the PDSCH transmission comprising a set of radio resource control (RRC) messages, each RRC message in the set of RRC messages comprises a respective group handover configuration in a set of group handover configurations associated with a respective UE in the set of UEs, the set of RRC messages being included in a set of medium access control (MAC) service data units (SDUs) (MAC SDUs) in a MAC protocol data unit (PDU), the set of MAC SDUs including a common SDU for the set of UEs and a subset of SDUs for each respective UE in the set of UEs.