公开(公告)号：US12166609B2

公开(公告)日：2024-12-10

申请号：US17427498

申请日：2020-02-13

Applicant: Apple Inc.

Inventor： Yingyang Li ,  Salvatore Talarico ,  Yongjun Kwak

IPC: H04L27/00 ,  H04L5/00 ,  H04L5/14 ,  H04W74/0816 ,  H04W16/14

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).

公开(公告)号：US12132680B2

公开(公告)日：2024-10-29

申请号：US17440944

申请日：2020-03-30

Applicant: Apple Inc.

Inventor： Lopamudra Kundu ,  Gang Xiong ,  Yongjun Kwak

IPC: H04W72/21 ,  H04L5/00

CPC classification number: H04L5/0053 ,  H04W72/21

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 2 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.

公开(公告)号：US12063690B2

公开(公告)日：2024-08-13

申请号：US17439886

申请日：2020-03-26

Applicant: Apple Inc.

Inventor： Gang Xiong ,  Yongjun Kwak ,  Lopamudra Kundu ,  Yushu Zhang ,  Sergey Sosnin

IPC: H04W74/0833 ,  H04W16/14

CPC classification number: H04W74/0833 ,  H04W16/14

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.

公开(公告)号：US12028867B2

公开(公告)日：2024-07-02

申请号：US17420575

申请日：2020-01-11

Applicant: Apple Inc.

Inventor： Yingyang Li ,  Salvatore Talarico ,  Yongjun Kwak ,  Jose Armando Oviedo

IPC: H04W72/23 ,  H04L1/1607 ,  H04L1/1812 ,  H04L1/1867

CPC classification number: H04W72/23 ,  H04L1/1614 ,  H04L1/1812 ,  H04L1/1887

Abstract: Systems, apparatuses, methods, and computer-readable media are provided for a wireless communication on an unlicensed spectrum. An access point (AP) of the wireless communication system includes a processor circuitry, and radio front end circuitry coupled to the processor circuitry. The processor circuitry is configured to schedule multiple transmission time intervals (multi-TTIs) in a physical uplink shared channel (PUSCH) in the unlicensed spectrum. The processor circuitry is configured to generate a downlink control information (DCI) to include the scheduled multi-TTIs and a hybrid automatic repeat and request acknowledgement (HARQACK) assessment information associated with the scheduled multi-TTIs. The radio front end circuitry is configured to transmit the DCI to a user equipment (UE) over the unlicensed spectrum.

公开(公告)号：US12022512B2

公开(公告)日：2024-06-25

申请号：US17441532

申请日：2020-05-01

Applicant: Apple Inc.

Inventor： Yongjun Kwak ,  Lopamudra Kundu ,  Salvatore Talarico ,  Yingyang Li

IPC: H04W74/0816 ,  H04L1/00 ,  H04W72/0446 ,  H04W74/00 ,  H04W74/08

CPC classification number: H04W74/0816 ,  H04L1/0068 ,  H04W72/0446 ,  H04W74/006 ,  H04W74/0866

Abstract: Systems, devices, and techniques for listen-before-talk (LBT) operations in unlicensed spectrum are described. A described technique includes receiving, by a user equipment (UE), a downlink control information (DCI) message, the DCI message including available bandwidth information and a channel occupancy time (COT) duration, the available bandwidth information being associated with one or more LBT bandwidths of a bandwidth part (BWP) in unlicensed spectrum; receiving, by the UE, one or more physical downlink shared channel (PDSCH) transmissions in the BWP, during the COT duration; and processing the one or more PDSCH transmissions based on the available bandwidth information.

公开(公告)号：US11996931B2

公开(公告)日：2024-05-28

申请号：US17811378

申请日：2022-07-08

Applicant: APPLE INC.

Inventor： Dae Won Lee ,  Gregory Morozov ,  Ansab Ali ,  Seunghee Han ,  Yongjun Kwak

IPC: H04J11/00 ,  H04J13/00 ,  H04L27/26

CPC classification number: H04J11/0073 ,  H04J13/0025 ,  H04L27/2607 ,  H04L27/2613 ,  H04L27/2614 ,  H04L27/2692 ,  H04L27/26136 ,  H04L27/2636

Abstract: Technology for a Next Generation NodeB (gNB) operable to encode a primary synchronization signal for transmission to a user equipment (UE) is disclosed. The gNB can identify a sequence d(n) for a primary synchronization signal. The sequence d(n) can be defined by: d(n)=1−2s(n), where s(n) is a maximum run length sequence (m-sequence) and s(n) is provided as s(n+7)=(s(n+4)+s(n))mod 2, where 0≤n≤127. The gNB can generate the primary synchronization signal based on the sequence d(n). The gNB can encode the primary synchronization signal for transmission to the UE.

公开(公告)号：US11962531B2

公开(公告)日：2024-04-16

申请号：US17434443

申请日：2020-03-27

Applicant: Apple Inc.

Inventor： Bishwarup Mondal ,  Yongjun Kwak ,  Alexei Davydov ,  Dae Won Lee

IPC: H04L5/00 ,  H04L27/26 ,  H04B7/06 ,  H04W16/14

CPC classification number: H04L5/005 ,  H04L5/0051 ,  H04L5/0094 ,  H04L27/2613 ,  H04B7/0626 ,  H04W16/14

Abstract: Systems, methods, and circuitries are provided for configuring and indicating channel state information resource signals (CSI-RS) using discovery reference signal (DRS) resources. An example method includes determining discovery reference signal (DRS) resources for use in carrying channel state information reference signals (CSI-RS); generating CSI-RS configuration information that defines at least one CSI-RS using the DRS resources; and signaling the CSI-RS configuration information to a user equipment (UE) device.

公开(公告)号：US11888616B2

公开(公告)日：2024-01-30

申请号：US17520376

申请日：2021-11-05

Applicant: Apple Inc.

Inventor： Gang Xiong ,  Yongjun Kwak ,  Sergey Sosnin ,  Hwan-Joon Kwon

IPC: H04L1/00 ,  H04L5/00 ,  H04W72/044 ,  H04L25/03 ,  H04L27/26 ,  H04J13/00

CPC classification number: H04L1/0071 ,  H04J13/0003 ,  H04L1/0041 ,  H04L5/0021 ,  H04L5/0048 ,  H04L25/03866 ,  H04L27/2636 ,  H04W72/0466 ,  H04L5/0051

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.

公开(公告)号：US11778631B2

公开(公告)日：2023-10-03

申请号：US17490646

申请日：2021-09-30

Applicant: Apple Inc.

Inventor： Yongjun Kwak ,  Gang Xiong ,  Hwan-Joon Kwon ,  Hong He ,  Seung Hee Han ,  Debdeep Chatterjee

IPC: H04W72/00 ,  H04W72/23 ,  H04L5/00 ,  H04L25/02 ,  H04L69/324

CPC classification number: H04W72/23 ,  H04L5/0048 ,  H04L25/0238 ,  H04L69/324

Abstract: Techniques discussed herein can facilitate transmission and reception of group common PDCCH (Physical Downlink Control Channel) for NR (New Radio). One example embodiment employable by a UE (User Equipment) comprises processing circuitry configured to: process higher layer signaling that configures a set of combinations for slot formats for the UE; detect, via blind decoding on at least a portion of a control resource set, a DCI (Downlink Control Information) message that indicates a combination for slot formats of the set of combinations for slot formats via a SFI (slot format indicator); and determine a slot format for one or more slots based on the indicated combination for slot formats, wherein the slot format indicates, for each symbol of the one or more slots, whether that symbol is DL (Downlink), UL (Uplink), or a flexible symbol in the slot format.

公开(公告)号：US11722246B2

公开(公告)日：2023-08-08

申请号：US17462426

申请日：2021-08-31

Applicant: Apple Inc.

Inventor： Debdeep Chatterjee ,  Hong He ,  Gang Xiong ,  Ajit Nimbalker ,  Dmitry Dikarev ,  Yongjun Kwak

IPC: H03M13/00 ,  H04L1/00 ,  H04L5/00 ,  H04W72/23

CPC classification number: H04L1/0058 ,  H04L1/0041 ,  H04L1/0057 ,  H04L1/0061 ,  H04L5/0044 ,  H04L5/0051 ,  H04W72/23 ,  H04L5/0007 ,  H04L5/0053

Abstract: Provided herein are method and apparatus for channel coding in the fifth Generation (5G) New Radio (NR) system. An embodiment provides an apparatus for a Next Generation NodeB (gNB), including circuitry, which is configured to: generate Downlink Control Information (DCI) payload for a NR-Physical Downlink Control Channel (NR-PDCCH); attach Cyclic Redundancy Check (CRC) to the DCI payload; mask the CRC with an Radio Network Temporary Identifier (RNTI) using a bitwise modulus 2 addition operation, wherein the number of bits for the RNTI is different from the number of bits for the CRC; and perform polar encoding for the DCI payload with the masked CRC.