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公开(公告)号：US11606729B2
公开(公告)日：2023-03-14
申请号：US16615105
申请日：2018-06-13
摘要： Certain aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may select at least one target node for a radio resource control connection, wherein the user equipment is in a particular radio resource control communication state when the at least one target node is selected, and wherein the user equipment is configured to communicate using dual-connectivity, wherein context information associated with the user equipment is stored by the user equipment, a master node associated with the user equipment, and a secondary node associated with the user equipment based at least in part on the user equipment being in the particular radio resource control communication state; and/or transmit information to the at least one target node or the master node to cause the context information to be provided to the at least one target node. Numerous other aspects are provided.
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公开(公告)号：US20230077269A1
公开(公告)日：2023-03-09
申请号：US17759596
申请日：2020-02-15
发明人： Huichun Liu , Gavin Bernard Hom , Peng Cheng , Ozcan Ozturk , Xipeng Zhu
IPC分类号： H04W74/08 , H04W76/18 , H04B17/318
摘要： This disclosure provides systems, methods, and apparatus, including computer programs encoded on computer storage media, for wireless communication. In one aspect of the disclosure, a method for wireless communication includes determining, by a user equipment (UE), listen before talk (LBT) information associated with new radio-unlicensed (NR-U) operation of the UE. The method further includes transmitting, by the UE, areport including the LBT information. Other aspects and features are also claimed and described.
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公开(公告)号：US11553457B2
公开(公告)日：2023-01-10
申请号：US17071354
申请日：2020-10-15
发明人： Xipeng Zhu , Prasad Reddy Kadiri , Alberto Rico Alvarino , Gavin Bernard Horn , Umesh Phuyal , Miguel Griot , Xiaoxia Zhang
摘要： Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a configuration for a shared physical downlink shared channel (PDSCH). The UE may receive a first communication via the shared PDSCH and a first bearer based at least in part on the configuration, the first communication being one of a unicast communication or a multicast/broadcast communication. The UE may receive a second communication via the shared PDSCH and the first bearer or a second bearer based at least in part on the configuration, the second communication being the other of the unicast communication or the multicast/broadcast communication. Numerous other aspects are provided.
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公开(公告)号：US11540182B2
公开(公告)日：2022-12-27
申请号：US17038665
申请日：2020-09-30
发明人： Xipeng Zhu , Soo Bum Lee , Ravi Agarwal , Luis Fernando Brisson Lopes , Ozcan Ozturk , Masato Kitazoe , Linhai He , Hung Dinh Ly
IPC分类号： H04W36/00 , H04W36/38 , H04W12/041
摘要： Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may identify a frequency associated with a synchronization signal block (SSB) associated with a base station. The UE may generate a security key associated with a handover of the UE based at least in part on the frequency associated with the SSB. Numerous other aspects are provided.
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公开(公告)号：US11477687B2
公开(公告)日：2022-10-18
申请号：US17003371
申请日：2020-08-26
发明人： Prasad Reddy Kadiri , Xipeng Zhu , Alberto Rico Alvarino , Gavin Bernard Horn , Miguel Griot , Umesh Phuyal , Kazuki Takeda , Le Liu
摘要： Methods, systems, and devices for wireless communication are described. Generally, the described techniques provide a base station receiving an indication from a core network to serve multicast/broadcast traffic to one or more UEs. The base station may select a radio bearer mode from a plurality of radio bearer modes for delivery of the multicast/broadcast traffic to at least one UE of the one or more UEs. For example, the base station may select a multicast/broadcast only mode, a mixed multicast/broadcast mode and unicast mode, or a unicast mode for service of the traffic. Dependent on the selected mode and/or quality of service, the base station may select a dedicated radio bearer (DRB) for communication of the traffic in a unicast mode (e.g., to a particular UE) or a multicast radio bearer (MRB) for communication of the traffic in a broadcast/multicast mode.
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公开(公告)号：US20220322284A1
公开(公告)日：2022-10-06
申请号：US17683243
申请日：2022-02-28
发明人： Linhai He , Miguel Griot , Xipeng Zhu
摘要： A UE may select one or more paging attributes for paging reception. The one or more paging attributes may be selected from a set of network supported paging attributes. The UE may transmit, to a network, an indication of the one or more paging attributes for paging reception. The UE may receive, from the network, a response message based on the indication of the one or more paging attributes. The response message may include a first UE group number. The first UE group number may be based on at least the one or more paging attributes. The UE may receive a paging indication including a UE group number. The UE may proceed to receive and decode the paging message associated with the paging indication when the UE group number in the paging indication matches the first UE group number. Otherwise, the UE may safely disregard the paging message.
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公开(公告)号：US11122478B2
公开(公告)日：2021-09-14
申请号：US16831704
申请日：2020-03-26
发明人： Xipeng Zhu , Xiaoxia Zhang , Tom Chin
IPC分类号： H04W36/04 , H04W36/00 , H04W48/20 , H04W74/08 , H04W4/06 , H04W76/27 , G06F9/455 , H04W56/00 , H04W72/14 , H04W80/02
摘要： Methods, systems, and devices for wireless communications are described that provide for user equipment (UE) camping in a virtual cell. A UE may camp in a virtual cell and may be in an idle mode or an inactive mode in the virtual cell. The UE may transition out of the idle or inactive mode and switch from camping in the virtual cell to connecting to a physical cell encompassed by the virtual cell through reselection, redirection, and handover procedures. The virtual cell may include a central unit and multiple distributed units, which may be configured in various physical implementations. Additionally, the virtual cell may be limited to broadcast only or selective unicast signaling.
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公开(公告)号：US20210250905A1
公开(公告)日：2021-08-12
申请号：US17172485
申请日：2021-02-10
发明人： Le Liu , Peter Gaal , Ayan Sengupta , Alberto Rico Alvarino , Kazuki Takeda , Xiaoxia Zhang , Tao Luo , Wanshi Chen , Prasad Reddy Kadiri , Mostafa Khoshnevisan , Umesh Phuyal , Xipeng Zhu
摘要： Wireless communications systems and methods related to acknowledgement/negative-acknowledgement (ACK/NACK) feedback operations for multicast communications are provided. A first user equipment (UE) receives, from a base station (BS), a multicast feedback configuration indicating a first resource configuration for a negative-acknowledgement (NACK) feedback mode; and a second resource configuration for an acknowledgement/negative-acknowledgement (ACK/NACK) feedback mode. The first UE receives, from the BS, a first multicast communication. The first UE transmits, to the BS, a NACK feedback for the first multicast communication based on the first resource configuration. The first UE receives, from the BS, a second multicast communication. The first UE transmits, to the BS, an ACK feedback or a NACK feedback for the second multicast communication based on the second resource configuration.
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公开(公告)号：US20210250872A1
公开(公告)日：2021-08-12
申请号：US17171696
申请日：2021-02-09
发明人： Kazuki Takeda , Le Liu , Peter Gaal , Ayan Sengupta , Alberto Rico Alvarino , Xiaoxia Zhang , Tao Luo , Wanshi Chen , Prasad Reddy Kadiri , Mostafa Khoshnevisan , Umesh Phuyal , Xipeng Zhu
摘要： Methods, systems, and devices for wireless communications are described. A base station may communicate with a user equipment (UE) or multiple UEs using multicast transmissions, and each of the multiple UEs may use shared resources to transmit feedback. A UE may receive a power control configuration associated with multicast communications and indicating one or more control parameters or weighting factors for uplink feedback. The UE may monitor a set of downlink resources for the multicast message from the base station, and may determine a decoding failure for the multicast message. The UE may determine whether to transmit uplink feedback to the base station based on the received power control parameters, such as adjusting UE transmit power using a weighting factor or other power control parameters. The UE may determine whether to transmit the uplink feedback message indicating the decoding failure based on the power control configuration.
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公开(公告)号：US20210194714A1
公开(公告)日：2021-06-24
申请号：US17117843
申请日：2020-12-10
发明人： Prasad Reddy Kadiri , Sitaramanjaneyulu Kanamarlapudi , Le Liu , Kazuki Takeda , Gavin Bernard Horn , Xipeng Zhu , Umesh Phuyal , Alberto Rico Alvarino
摘要： Methods, systems, and devices for wireless communications are described. A user equipment (UE) may selectively determine to decode a downlink shared channel multicast transmission based on whether the downlink shared channel includes a retransmission of an initial multicast transmission. A base station may transmit a message in a downlink control channel to indicate if the downlink shared channel is carrying the retransmission of the initial multicast transmission. For example, the base station may transmit a group random network temporary identifier, downlink control information with a retransmission indicator bit, or both to indicate if the downlink shared channel is carrying the retransmission. In some cases, the message in the downlink control channel may be received at a layer one (L1) of the UE, and the downlink shared channel transmission may be decoded at L1 of the UE and sent to a layer two (L2) of the UE for processing.
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