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31.发明申请公开(公告)号：US20210051702A1
公开(公告)日：2021-02-18
申请号：US16899506
申请日：2020-06-11
摘要： Wireless communications systems and methods related to communications in a network that supports usage of configured grant uplink control information (CG-UCI) data are provided. A user equipment (UE) may receive a configuration for a configured grant resource and transmit an UL communication signal in the configured grant resource. The UL communication signal may include a CG-UCI multiplexed with UL data. Additionally, the CG-UCI may indicate whether the UL data includes additional UCI.
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公开(公告)号：US20210051696A1
公开(公告)日：2021-02-18
申请号：US16947257
申请日：2020-07-24
发明人： Kapil Bhattad , Ananta Narayanan Thyagarajan , Tanumay Datta , Jing Sun , Xiaoxia Zhang , Ozcan Ozturk
摘要： Wireless communications systems and methods related to communications in a network are provided. A user equipment (UE) may generate during a first time period, an uplink (UL) communication signal based on a scheduled grant or a configured UL grant. The UE may detect a downlink (DL) communication from a base station (BS) during a second time period after the first time period. The DL communication is devoid of the scheduled grant and the configured UL grant. The UE may transmit to the BS, the UL communication signal based on the scheduled grant or the configured UL grant in response to detecting the DL communication.
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公开(公告)号：US20210029641A1
公开(公告)日：2021-01-28
申请号：US16904278
申请日：2020-06-17
发明人： Mostafa Khoshnevisan , Xiaoxia Zhang , Ozcan Ozturk , Jing Sun , Kapil Bhattad
摘要： This disclosure provides systems, methods, and apparatuses, including computer programs encoded on computer storage media, for wireless communications and more specifically for handling hybrid automatic repeat request (HARQ) processes with discontinuous reception (DRX) operations. In some implementations, a user equipment (UE) may use a timer to maintain an ON duration in a DRX cycle based on receiving a downlink control information (DCI) message with a data-to-feedback timing indicator (for example, a K1 value) indicating a non-numeric value for a data message. For example, the UE may receive a DCI message with feedback timing for the data message based on maintaining the ON duration. In some other implementations, a UE may use a timer to maintain an ON duration following a feedback opportunity to support dynamic group-based HARQ messaging. For example, the UE may receive a DCI message requesting a retransmission of feedback information based on maintaining the ON duration.
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公开(公告)号：US20210014004A1
公开(公告)日：2021-01-14
申请号：US16899548
申请日：2020-06-11
发明人： Mostafa Khoshnevisan , Jing Sun , Kapil Bhattad , Xiaoxia Zhang
IPC分类号： H04L1/16 , H04B7/0456 , H04W72/04 , H04W72/12
摘要： Methods, systems, and devices for wireless communications are described that support group-based acknowledgment feedback techniques. Two or more different groups of downlink transmissions may each have an associated transport block (TB) level or code block group (CBG) level group-based acknowledgment feedback, and a base station may transmit downlink control information to a UE that indicates one or more parameters that are used to determine which downlink transmissions are to be reported in the group-based feedback at a TB level, CBG level, or combinations thereof. Based on the parameters in the downlink control information, the UE may determine the feedback to be reported, and a timing for when to transmit the feedback to the base station.
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公开(公告)号：US20210007128A1
公开(公告)日：2021-01-07
申请号：US16915686
申请日：2020-06-29
发明人： Kapil Bhattad , Tanumay Datta , Pravjyot Singh Deogun , Xiaoxia Zhang , Jing Sun
摘要： Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive a set of one or more uplink grants scheduling at least a first uplink transmission and a second uplink transmission during a channel occupancy time of an unlicensed radio frequency spectrum band. The UE may identify a transmission gap between the first uplink transmission and the second uplink transmission of the plurality of uplink transmissions by the UE during the channel occupancy time, the transmission gap exceeding a threshold time. The UE may determine that the transmission gap corresponds to a lost uplink grant. The UE may modify the first uplink transmission or the second uplink transmission based at least in part on the determination that the transmission gap corresponds to the lost uplink grant.
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36.发明授权公开(公告)号：US10798733B2
公开(公告)日：2020-10-06
申请号：US16276249
申请日：2019-02-14
摘要： Techniques for dynamically controlling long physical uplink control channel (PUCCH) transmission are described. In an aspect, the disclosure describes a method for receiving a grant to transmit a long PUCCH, determining a grant type of the grant, wherein the grant type is one of a periodic grant or an aperiodic grant, determining a slot type of the slot to transmit the long PUCCH, and transmitting the long PUCCH over one or more slots based on the grant, the determined slot type, and the determined grant type. In another aspect, the disclosure describes a method for generating a triggering signal to transmit to a user equipment (UE), the triggering signal indicating to the UE to transmit a PUCCH, transmitting the triggering signal to the UE, and receiving the long PUCCH in response to the triggering signal.
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公开(公告)号：US20200313946A1
公开(公告)日：2020-10-01
申请号：US16804971
申请日：2020-02-28
摘要： Wireless communications systems and methods related to signaling transmission starting offsets for uplink transmissions in a frequency spectrum shared by multiple network operating entities are provided. A first wireless communication device communicates, with a second wireless communication device, a cyclic prefix (CP) extension length configuration for providing a gap duration for a listen-before-talk (LBT) associated with a first communication signal. The first wireless communication device communicates, with the second wireless communication device, the first communication signal including a CP extension having a length based on the CP extension length configuration.
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公开(公告)号：US20200313803A1
公开(公告)日：2020-10-01
申请号：US16825364
申请日：2020-03-20
发明人： Mostafa Khoshnevisan , Jing Sun , Kapil Bhattad , Xiaoxia Zhang
摘要： Hybrid automatic repeat request (HARQ)-acknowledgement (ACK) feedback codebook enhancements are disclosed. A size of feedback codebook may be reduced explicitly or implicitly. For example, an indicator may be identified by a corresponding field of a downlink control message. In some aspects, the indicator may indicate that multiple Physical Downlink or Uplink Shared Channels (PDSCHs/PUSCHs) are actually scheduled during one or more slots of a window corresponding to the feedback codebook. Responsive to receiving the indicator, a device may refrain from reducing the size of the feedback codebook to exclude acknowledgement feedback for additional possible PDSCH/PUSCH occasions of the slots of the window. In some aspects, a device identifies possible PDSCH/PUSCH occasions that occur outside of one or more Channel Occupancy Times (COTs) of a window. The device may generate a reduced size feedback codebook by excluding the possible PDSCH/PUSCH occasions that occur outside of the COTs of the window.
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公开(公告)号：US20200267763A1
公开(公告)日：2020-08-20
申请号：US16790623
申请日：2020-02-13
发明人： Pravjyot Singh Deogun , Xiaoxia Zhang , Ozcan Ozturk , Jing Sun , Kapil Bhattad , Ananta Narayanan Thyagarajan
摘要： Random access channel access and validity procedures are disclosed. In one aspect, the medium access control (MAC) indications multiple random access occasions (ROs) to user equipments (UEs) for random access transmissions. In such aspect, random access failure would only be declared if listen before talk (LBT) procedures for the random access transmission fail on all of the ROs indicated by the MAC layer. Similarly, in additional aspects, a UE will not apply a backoff value for any LBT failures for random access attempts that occur within an LBT time window. In further aspects, a UE may determine the validity of ROs that overlap with a discovery reference signal measurement timing configuration (DMTC) window. In such aspects, the UE may not use overlapping ROs or may determine a portion of the DMTC window that is not used for base station transmissions and declare the overlapping ROs with the unused portion valid.
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公开(公告)号：US20200267757A1
公开(公告)日：2020-08-20
申请号：US16790664
申请日：2020-02-13
摘要： Methods, systems, and devices for wireless communications are described. Generally, the described techniques provide for encoding uplink data for transmission based on control information included in a first uplink grant corresponding to a first set of uplink resources, receiving a second uplink grant associated with a second set of uplink resources, wherein the second uplink grant is associated with the encoded uplink data for transmission, determining a starting time (e.g., a first delay or a second delay) for the second set of uplink resources based at least in part on a timing of the encoding with respect to the second uplink grant, and transmitting uplink data during the second set of uplink resources based on the determined starting time.
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