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公开(公告)号:US20250055624A1
公开(公告)日:2025-02-13
申请号:US18928589
申请日:2024-10-28
Applicant: Apple Inc.
Inventor: Lopamudra KUNDU , Bisharup Mondal , Gang Xiong , Yongjun Kwak , Daewon Lee
IPC: H04L5/00 , H04W74/0808
Abstract: The present invention discloses one or more computer-readable media comprising instructions to: determine SRS resource allocation information to configure uplink resources for an SRS, the uplink resources to include a plurality of bandwidth ranges within a sounding bandwidth; perform a LET procedure in individual bandwidth ranges of the plurality of bandwidth ranges to detect at least one bandwidth range available for the SRS; and generate the SRS for transmission within the at least one bandwidth range.
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公开(公告)号:US20220116911A1
公开(公告)日:2022-04-14
申请号:US17275531
申请日:2019-09-25
Applicant: Apple Inc.
Inventor: Anthony LEE , Seau S. LIM , Yongjun KWAK , Daewon LEE , Youn Hyoung HEO , Lopamudra KUNDU
IPC: H04W68/02
Abstract: Systems and methods of increasing paging opportunities when the unlicensed band is used are described. The gNB sends an RRC message that indicates multiple monitoring occasions in a paging occasion of a paging frame. The UE monitors a monitoring occasion of a PO to determine whether a PDCCH with a P-RNTI has been received in an unlicensed band. If such a PDCCH is received, the UE decodes PDSCH information in the PDCCH to determine whether the P-RNTI is a P-RNTI of the UE. If so, the UE avoids monitoring subsequent monitoring occasions of the PO. If the PDCCH does not contain a P-RNTI, the UE continues to monitor other monitoring occasions within the PO.
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公开(公告)号:US20220022248A1
公开(公告)日:2022-01-20
申请号:US17290281
申请日:2019-11-01
Applicant: Apple Inc.
Inventor: Yongjun KWAK , Lopamudra KUNDU , Bishwarup MONDAL , Dae Won LEE
Abstract: Devices and methods of providing channel occupancy time (COT) are described. After a gNB acquires an unlicensed channel for a COT, the gNB indicates the COT length to a UE using a PDCCH having a DCI formed in accordance with DCI format 2_0. The slot format of the last slot of the COT is indicated using a reserved slot format indicator that is reserved to indicate the end of the COT. The reserved slot format indicator indicates a last slot format of available slot formats of DCI format 2_0. Dummy bits fill the DCI after the reserved slot format indicator. Alternatively, to indicate the COT length, a COT field dedicated to providing the COT is used in the DCI or the CRC is masked using a slot format indication Radio Network Temporary Identifier.
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公开(公告)号:US20220007217A1
公开(公告)日:2022-01-06
申请号:US17289013
申请日:2019-10-29
Applicant: Apple Inc.
Inventor: Bishwarup MONDAL , Lopamudra KUNDU , Seau S. LIM , Dae Won LEE
Abstract: An apparatus of user equipment (UE) includes processing circuitry coup led to a memory, where to configure the UE for radio link monitoring (RLM) in a New Radio-Unlicensed (NR-U) network, the processing circuitry is to decode radio resource control (RRC) signaling from a base station. The RRC signaling includes configuration information to configure transmission occasions for a plurality of RLM reference signals (RLM-RSs). A primary synchronization signal (PSS) or a secondary synchronization signal (SSS) detection is performed to determine a number of RLM-RSs of the plurality of RLM-RSs that are successfully transmitted during the transmission occasions. Signal measurements are performed on the RLM-RSs that are successfully transmitted within an evaluation duration to determine a block error rate (BLER). The signal measurements are performed when the number is higher than a threshold number. An in-sync (IS) indicator or an out-of-sync (OOS) indicator are generated based on the signal measurements.
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公开(公告)号:US20240015698A1
公开(公告)日:2024-01-11
申请号:US18371751
申请日:2023-09-22
Applicant: Apple Inc.
Inventor: Anthony LEE , Seau S. LIM , Yongjun KWAK , Daewon LEE , Youn Hyoung HEO , Lopamudra KUNDU
IPC: H04W68/02
CPC classification number: H04W68/02
Abstract: Systems and methods of increasing paging opportunities when the unlicensed band is used are described. The gNB sends an RRC message that indicates multiple monitoring occasions in a paging occasion of a paging frame. The UE monitors a monitoring occasion of a PO to determine whether a PDCCH with a P-RNTI has been received in an unlicensed band. If such a PDCCH is received, the UE decodes PD SCH information in the PDCCH to determine whether the P-RNTI is a P-RNTI of the UE. If so, the UE avoids monitoring subsequent monitoring occasions of the PO. If the PDCCH does not contain a P-RNTI, the UE continues to monitor other monitoring occasions within the PO.
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公开(公告)号:US20220086907A1
公开(公告)日:2022-03-17
申请号:US17420090
申请日:2020-02-16
Applicant: Apple Inc.
Inventor: Lopamudra KUNDU , Bishwarup MONDAL , Yongjun KWAK , Yingyang LI
Abstract: Systems, apparatuses, methods, and computer-readable media are provided for an access point (AP) for a wireless communication system operating in a licensed and an unlicensed spectrum. The AP includes processor circuitry configured to determine a plurality of interleaved interlaces based on a bandwidth of a physical uplink channel and a subcarrier spacing (SCS). The processor circuitry is configured to identify a plurality of resource blocks (RBs) corresponding to a first interleaved interlace of the plurality of interleaved interlaces, which are based on a number of subcarrier per RB. The processor circuitry is configured to allocate the plurality of RBs corresponding to the first interleaved interlace among one or more user equipments (UEs), and generate an indication of the allocated plurality of RBs, the first interleaved interlace, and the one or more UEs to transmit to the one or more UEs via radio front end circuitry coupled to the processor circuitry.
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公开(公告)号:US20220038233A1
公开(公告)日:2022-02-03
申请号:US17279948
申请日:2019-09-27
Applicant: Apple Inc.
Inventor: Lopamudra KUNDU , Bishwarup MONDAL , Gang XIONG , Yongjun KWAK , Daewon LEE
Abstract: The present invention discloses one or more computer-readable media comprising instructions to: determine SRS resource allocation information to configure uplink resources for an SRS, the uplink resources to include a plurality of bandwidth ranges within a sounding bandwidth; perform a LET procedure in individual bandwidth ranges of the plurality of bandwidth ranges to detect at least one bandwidth range available for the SRS; and generate the SRS for transmission within the at least one bandwidth range.
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公开(公告)号:US20200236670A1
公开(公告)日:2020-07-23
申请号:US16634865
申请日:2018-07-31
Applicant: Apple Inc.
Inventor: Gang XIONG , Joonyoung CHO , Lopamudra KUNDU
Abstract: A user equipment (UE) can include processing circuitry configured to decode physical uplink control channel (PUCCH) configuration information received from a Next Generation Node-B (gNB). The configuration information includes a cell-specific base sequence hopping pattern. A PUCCH base sequence is selected from a plurality of available PUCCH base sequences based on the cell-specific base sequence hopping pattern and UCI information. A cyclic shift is applied to the PUCCH base sequence to generate a cyclically shifted PUCCH sequence. The cyclically shifted PUCCH sequence is encoded for transmission to the gNB using a PUCCH physical resource. The cyclically shifted PUCCH sequence carries the UCI and is code division multiplexed (CDM) with at least another cyclically shifted PUCCH sequence within the PUCCH physical resource.
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公开(公告)号:US20220191935A1
公开(公告)日:2022-06-16
申请号:US17439886
申请日:2020-03-26
Applicant: Apple Inc.
Inventor: Gang XIONG , Yongjun KWAK , Lopamudra KUNDU , Yushu ZHANG , Sergey SOSNIN
Abstract: Systems and methods are described for a 2-Step Random Access Channel (RACH) for New Radio (NR) with unlicensed operation. The systems and methods include at least, generating, by a user equipment (UE), a MsgA of a random access channel (RACH) procedure associated with the NR network, the MsgA having a physical random access channel (PRACH) occasion and an associated physical uplink shared channel (PUSCH) occasion for transmission during the RACH procedure, and transmitting, by the UE, the MsgA to a base station (gNB) over unlicensed spectrum of the NR network during the RACH procedure.
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公开(公告)号:US20220183060A1
公开(公告)日:2022-06-09
申请号:US17593669
申请日:2020-04-29
Applicant: Apple Inc.
Inventor: Yingyang LI , Yushu ZHANG , Gang XIONG , Yongjun KWAK , Lopamudra KUNDU
Abstract: Devices, systems and methods for a fifth generation (5G) or new radio (NR) system comprising determining a configuration for an uplink (UL) transmission resource with respect to a listen before talk (LBT) operation on an unlicensed spectrum and transmitting uplink control information (UCI) on the UL transmission resource based on the configuration subjected to the LBT operation.
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