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公开(公告)号：US11595952B2
公开(公告)日：2023-02-28
申请号：US16385897
申请日：2019-04-16
发明人： Jing Sun , Xiaoxia Zhang , Srinivas Yerramalli , Yongbin Wei
摘要： Methods, systems, and devices for wireless communications are described. A base station may transmit a first downlink control information block over a group physical downlink control channel (PDCCH), wherein the first downlink control information block identifies a plurality of user equipment (UEs) for performing aperiodic channel state information (CSI) measurements and an indication of CSI reference signal resources for a CSI reference signal. The base station may transmit the CSI reference signal on the indicated CSI reference signal resources. The UE may perform, in response to receiving the group PDCCH, an aperiodic CSI measurement of the CSI reference signal on the indicated CSI reference signal resources.
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公开(公告)号：US11595896B2
公开(公告)日：2023-02-28
申请号：US16821930
申请日：2020-03-17
发明人： Yisheng Xue , Xiaoxia Zhang , Jing Sun , Aleksandar Damnjanovic , Yongbin Wei
摘要： Methods, systems, and devices for wireless communication are described. A base station may determine a configuration including a set of signature waveforms for a micro-sleep mode of operation in shared spectrum, and may transmit the configuration to at least one user equipment (UE) served by the base station. Additionally, a UE may receive a configuration including a set of signature waveforms for a micro-sleep mode of operation in shared spectrum. The UE may detect at least one signature waveform of the set of signature waveforms, and in response to detecting the at least one signature waveform, operate in the micro-sleep mode for a period of time.
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公开(公告)号：US11589335B2
公开(公告)日：2023-02-21
申请号：US16671409
申请日：2019-11-01
摘要： Methods, systems, and devices for wireless communications are described. The described techniques relate to improved methods, systems, devices, and apparatuses that support chained sidelink transmissions. A transmitting user equipment (UE) may send, to a receiving UE, sidelink control information (SCI) that reserves resources for transmission from the transmitting UE as well as reserves resources for a response transmission from the receiving UE. The receiving UE may respond with a transmission using the resources that were reserved in the SCI and without sending its own SCI to reserve resources for the response. The latency between the transmitting UE sending the first transmission and receiving a response from the receiving UE may be reduced, because the transmitting UE reserved the resources for itself and the receiving UE with the same SCI.
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公开(公告)号：US11463886B2
公开(公告)日：2022-10-04
申请号：US16949389
申请日：2020-10-28
IPC分类号： H04W16/14 , H04W72/04 , H04W74/08 , H04W56/00 , H04W84/04 , H04L1/18 , H04M1/724 , H04M1/72403
摘要： Wireless communications systems and methods related to coordinating shared radio resources for spectrum sharing are provided. A spectrum resource control unit allocates a first resource for exclusive access by a first network operating entity in a spectrum. The exclusive access is configured for at least one of a network information communication or a feedback communication. The spectrum resource control unit allocates a second resource in the spectrum for shared access by the first network operating entity and a second network operating entity. The shared access is configured for at least a downlink control information communication. The spectrum resource control unit transmits, to the first network operating entity and the second network operating entity, a configuration indicating the first resource allocated for exclusive access by the first network operating entity and the second resource allocated for shared access by the first network operating entity and the second network operating entity.
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公开(公告)号：US11418968B2
公开(公告)日：2022-08-16
申请号：US17125182
申请日：2020-12-17
发明人： Madhavan Srinivasan Vajapeyam , Jelena Damnjanovic , Aleksandar Damnjanovic , Tao Luo , Jing Sun , Taesang Yoo , Yongbin Wei
摘要： Methods, systems, and devices for wireless communication are described. Discontinuous reception (DRX) operation may be configured differently on enhanced component carriers (eCCs) than on other component carriers, including a primary cell (PCell). In some cases, a user equipment (UE) may be configured with several different eCC DRX modes. An eCC DRX configuration may, for example, be coordinated with downlink (DL) transmission time interval (TTI) scheduling so each DRX ON duration may correspond to a DL burst duration of the corresponding eCC. The eCC DRX ON durations may also be scheduled according to hybrid automatic repeat request (HARQ) process scheduling. In some examples, eCC DRX ON durations may be based on listen-before-talk (LBT) procedures. In some cases, eCC DRX ON durations may be configured to contain an uplink (UL) burst to enable channel state information (CSI) reporting. The eCC DRX may also be configured to minimize interruption of the PCell.
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公开(公告)号：US11357035B2
公开(公告)日：2022-06-07
申请号：US14699811
申请日：2015-04-29
发明人： Yongbin Wei , Durga Prasad Malladi , Tao Luo
摘要： Certain aspects of the disclosure relate to performing cross-subframe control channel signaling for wireless communications. A method may be provided for signaling downlink control channel resource allocations and/or physical control format indications in a subframe different from the subframe in which a downlink data transmission may be performed. In one aspect, the method may include transmitting PDCCH and/or PCFICH during a first subframe to allocate resources for a PDSCH during a second subframe and transmitting the PDSCH during the second subframe.
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公开(公告)号：US11343680B2
公开(公告)日：2022-05-24
申请号：US14865891
申请日：2015-09-25
摘要： Techniques are described for wireless communication. One method includes winning a contention for access to an unlicensed radio frequency spectrum band, transmitting a request message upon winning the contention for access to the unlicensed radio frequency spectrum band, and receiving a response message over the unlicensed radio frequency spectrum band. The request message is transmitted by a user equipment (UE) on an enhanced physical random access channel (ePRACH), to access a cell that operates in the unlicensed radio frequency spectrum band. The response message is received in response to transmitting the request message.
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公开(公告)号：US11324047B2
公开(公告)日：2022-05-03
申请号：US16183367
申请日：2018-11-07
发明人： Jing Sun , Xiaoxia Zhang , Taesang Yoo , Tamer Kadous , Yongbin Wei , Aleksandar Damnjanovic
摘要： New radio (NR) transmission opportunity (TxOP) structure having flexible starting points are disclosed for wireless communications. When a typical listen before talk (LBT) procedure is performed, the transmitting node will not know ahead of time when the LBT will pass and, thus, when data transmissions can start. NR systems may include a mini-slot design for accommodating transmission units smaller than a slot. Aspects of the present disclosure provide for flexibly increasing the number of potential starting transmission boundaries depending on when the LBT pass is detected. Alternative aspects of the present disclosure determine the potential starting transmission points using a mini-slot based design, a floating slot based design, or a punctured slot based design with a code block group (CBG) level retransmission mechanism.
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公开(公告)号：US11265917B2
公开(公告)日：2022-03-01
申请号：US16394851
申请日：2019-04-25
发明人： Xiaoxia Zhang , Jing Sun , Srinivas Yerramalli , Tamer Kadous , Yongbin Wei
摘要： Aligned listen before talk (LBT) gaps for single operator frame-based equipment (FBE) mode new radio (NR) shared spectrum (NR-SS) is disclosed. Within the FBE mode network, the base station determines a plurality of potential transmission bursts within a fixed frame period. The base station may then reserve a plurality of LBT gaps prior to the starting position of each such transmission burst. The base station communicates the location of each of the LBT gaps to all neighboring network entities and contends for access to the fixed frame period at the beginning of the frame regardless of whether it has data for transmission during the frame. Each neighboring base station that receives the LBT gaps locations will use the same locations in order to align the LBT gaps over the FBE mode network.
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公开(公告)号：US11265728B2
公开(公告)日：2022-03-01
申请号：US16588056
申请日：2019-09-30
发明人： Yisheng Xue , Aleksandar Damnjanovic , Xiaoxia Zhang , Jing Sun , Yongbin Wei
摘要： Wireless communications systems and methods related to communications in an unlicensed spectrum with tight frequency reuse color coding are provided. A first wireless communication device communicates, with a second wireless communication device, a first reservation signal to reserve a first transmission opportunity (TXOP) in a spectrum shared by a plurality of network operating entities. The first reservation signal includes a first waveform sequence identifying at least a first network operating entity of the plurality of network operating entities associated with the first wireless communication device and the second wireless communication device. The first wireless communication device communicates, with the second wireless communication device, a first communication signal in the spectrum during the TXOP.
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