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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:US20220330208A1
公开(公告)日:2022-10-13
申请号:US17825035
申请日:2022-05-26
Applicant: Apple Inc.
Inventor: Dae Won LEE , Seunghee HAN , Gregory Vladimirovich MOROZOV , Alexei DAVYDOV , Yongjun KWAK
Abstract: A user equipment (UE) can include processing circuitry configured to decode physical broadcast channel (PBCH) information received from a base station (BS). The decoded PBCH information includes a scrambled PBCH payload and an unscrambled bit sequence. A scrambling sequence is generated based on time information signaling within the unscrambled bit sequence. The scrambled PBCH payload is de-scrambled using the scrambling sequence, to obtain master information block (MIB) information. System information block (SIB) information is decoded based on the MIB information. The decoded PBCH information includes cyclic redundancy check (CRC) information. The scrambled PBCH payload and the unscrambled bit sequence can be verified based on the CRC information. The time information signaling includes one or more bits of a system frame number (SFN).
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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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24.
公开(公告)号:US20220191916A1
公开(公告)日:2022-06-16
申请号:US17438261
申请日:2020-03-20
Applicant: APPLE INC.
Inventor: Salvatore TALARICO , Yongjun KWAK , Jose Armando OVIEDO , Yingyang LI
Abstract: Some embodiments of this disclosure include systems, apparatuses, methods, and computer-readable media for use in a wireless network for time-domain resource allocation for configured grant transmissions in New Radio (NR) systems. For example, some embodiments are directed to an electronic device including radio front end circuitry and processor circuitry coupled to the radio front end circuitry. The processor circuitry can be configured to generate a radio resource control (RRC) signal including a bitmap for configuring time-domain resources for configured grant (CG) operation. The processor circuitry can be further configured to transmit, using the radio front end circuitry, the RRC signal to a user equipment (UE) to configure the time-domain resources. The bitmap comprises a plurality of resource units and wherein each resource unit in the plurality of resource units corresponds to a symbol, a
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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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公开(公告)号:US20220174735A1
公开(公告)日:2022-06-02
申请号:US17442134
申请日:2020-03-27
Applicant: Apple Inc.
Inventor: Yingyang LI , Salvatore TALARICO , Yongjun KWAK , Jose Armando OVIEDO , Hong HE , Gang XIONG
Abstract: Systems, methods, and apparatuses disclosed herein can operate on an unlicensed spectrum. These systems, methods, and apparatuses can perform a first listen-before-talk (LBT) operation of a LBT protocol in a first slot from among multiple slots to determine whether the unlicensed spectrum is unoccupied. Thereafter, these systems, methods, and apparatuses can transmit an uplink (UL) transmission in other slots from among the plurality of slots in response to the unlicensed spectrum being unoccupied. Otherwise, these systems, methods, and apparatuses can perform a second LBT operation in a second slot from among the plurality of slots in response to the unlicensed spectrum being occupied.
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公开(公告)号:US20220166586A1
公开(公告)日:2022-05-26
申请号:US17440944
申请日:2020-03-30
Applicant: Apple Inc.
Inventor: Lopamudra KUNDU , Gang XIONG , Yongjun KWAK
Abstract: Systems and methods are described for a resource allocation and user multiplexing capacity enhancements for interlace based physical uplink control channel (PUCCH) formats in new radio (NR) using unlicensed spectrum (NR-U). The systems and methods can include at least generating, by the UE, an uplink signal according to a physical uplink control channel (PUCCH) format and having “n” number of physical resource blocks (PRBs) that are mapped in an interlaced manner across a frequency domain on a orthogonal frequency division multiplexing (OFDM) symbol, wherein “n” is an integer multiple of a number of PRBs per interlace, and transmitting, by the UE, the uplink signal over a PUCCH that utilizes unlicensed spectrum in a new radio wireless network.
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28.
公开(公告)号:US20220131725A1
公开(公告)日:2022-04-28
申请号:US17427498
申请日:2020-02-13
Applicant: Apple Inc.
Inventor: Yingyang LI , Salvatore TALARICO , Yongjun KWAK
Abstract: Some embodiments of this disclosure include systems, apparatuses, methods, and computer-readable media for use in a wireless network for generating and using slot format indicator (SFI) and channel occupancy time (COT) structure in new radio (NR) systems operating on unlicensed spectrum. For example, some embodiments are directed to a base station that includes radio front end circuitry and processor circuitry. The processor circuitry can be configured to generate a slot format indicator (SFI) associated with a channel occupancy time (COT) structure. The SFI indicates whether one or more slots associated with the COT structure are to be used for downlink (DL) symbols, uplink (UL) symbols, or flexible symbols. The flexible symbols form one or more gaps in the COT structure in response to the flexible symbols not being overridden as a DL transmission or a UL transmission. The processor circuitry can further be configured to transmit the SFI to a user equipment (UE).
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29.
公开(公告)号:US20220086824A1
公开(公告)日:2022-03-17
申请号:US17414486
申请日:2020-01-09
Applicant: Apple Inc.
Inventor: Lopamudra KUNDU , Gang XIONG , Yongjun KWAK , Yingyang LI
Abstract: Systems, apparatuses, methods, and computer-readable media are provided for use in a wireless network for resource allocation during initial access. Some embodiments are directed to an apparatus including processor circuitry and radio front circuitry. The processor circuitry can be configured to determine, in accordance with a predetermined requirement, multiple physical resource blocks (PRBs) to be used for transmitting a physical uplink control channel (PUCCH) before a dedicated PUCCH resource configuration. The radio front end circuitry coupled with the processor circuitry can be configured to transmit the PUCCH using the determined PRBs and before the dedicated PUCCH resource configuration. The dedicated PUCCH resource configuration can include initial access before Radio Resource Control (RRC) connection setup.
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公开(公告)号:US20220060281A1
公开(公告)日:2022-02-24
申请号:US17520376
申请日:2021-11-05
Applicant: Apple Inc.
Inventor: Gang XIONG , Yongjun KWAK , Sergey SOSNIN , Hwan-Joon KWON
Abstract: Embodiments of the present disclosure describe methods, apparatuses, storage media, and systems for uplink non-orthogonal multiple access transmission schemes employed by transmit circuitry. Other embodiments may be described and claimed.
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