公开(公告)号：US20210251042A1

公开(公告)日：2021-08-12

申请号：US17241586

申请日：2021-04-27

Applicant: Apple Inc.

Inventor： Jeongho Jeon ,  Seau Lim ,  Yongjun Kwak ,  Anthony Lee ,  Hwan-Joon Kwon ,  Joonyoung Cho ,  Huaning Niu

IPC: H04W88/02 ,  H04W74/08 ,  H04W72/14 ,  H04W88/04 ,  H04W88/06 ,  H04W16/14 ,  H04L5/00 ,  H04W74/00

Abstract: A network device (e.g., a user equipment (UE), or a new radio NB (gNB)) can process or generate a configuration of a physical random access channel (PRACH) over physical resource blocks (PRBs) that are interlaced in an unlicensed band in an NR unlicensed (NR-U) communication. The PRBs in the PRACH can be based on an occupied channel bandwidth (OCB) of the unlicensed band in the NR-U communication. A random access channel transmission in the PRACH can then be generated by interlacing the PRBs defining the PRACH.

公开(公告)号：US11588599B2

公开(公告)日：2023-02-21

申请号：US17241586

申请日：2021-04-27

Applicant: Apple Inc.

Inventor： Jeongho Jeon ,  Seau Lim ,  Yongjun Kwak ,  Anthony Lee ,  Hwan-Joon Kwon ,  Joonyoung Cho ,  Huaning Niu

IPC: H04W16/14 ,  H04W72/14 ,  H04W74/08 ,  H04W88/02 ,  H04W88/04 ,  H04W88/06 ,  H04L5/00 ,  H04W74/00

Abstract: A network device (e.g., a user equipment (UE), or a new radio NB (gNB)) can process or generate a configuration of a physical random access channel (PRACH) over physical resource blocks (PRBs) that are interlaced in an unlicensed band in an NR unlicensed (NR-U) communication. The PRBs in the PRACH can be based on an occupied channel bandwidth (OCB) of the unlicensed band in the NR-U communication. A random access channel transmission in the PRACH can then be generated by interlacing the PRBs defining the PRACH.

公开(公告)号：US10791588B2

公开(公告)日：2020-09-29

申请号：US16074040

申请日：2017-02-06

Applicant: Apple Inc.

Inventor： Marta Martinez Tarradell ,  Richard Burbidge ,  Hyung-Nam Choi ,  Seau Lim ,  Youn Hyoung Heo ,  Robert Zaus

IPC: H04W4/00 ,  H04W88/08 ,  H04L1/00 ,  H04L1/08 ,  H04W76/27 ,  H04W8/08 ,  H04W8/24 ,  H04W74/08 ,  H04W88/02 ,  H04W80/08

Abstract: Technology for user equipment (UE) and evolved NobeB (eNB) to support enhanced coverage is disclosed. If both the UE and eNodeB provide support for a first and second coverage enhancement (CE) mode, one or more timers of the UE, eNB and a core network (CN) can 5 be configured according to an extended timer range. However, if either the UE or the eNB does not provide support for both the first and second CE modes, the one or more timers of the UE, eNB and CN are configured according to a legacy timer range.

公开(公告)号：US11159928B2

公开(公告)日：2021-10-26

申请号：US16316771

申请日：2017-08-11

Applicant: Apple Inc.

Inventor： Debdeep Chatterjee ,  Hyung-Nam Choi ,  Marta Martinez Tarradell ,  Seau Lim ,  Seunghee Han

IPC: H04W4/70 ,  H04L1/00 ,  H04L5/00 ,  H04W4/80 ,  H04W76/11 ,  H04W24/08 ,  H04W72/04

Abstract: Support of Single-Cell Point-To-Multipoint (SC-PTM) for narrowband (UEs) and low complexity (BL) UEs can is implemented at both the physical layers and the higher layers. For example, in one implementation, a UE may transmit, to a Single-Cell Point-To-Multipoint (SC-PTM) base station, multicast service preference information, including at least one of a Coverage Enhancement (CE) mode or a maximum Transport Block Size (TBS) of the UE. The UE may also monitor a common search space (CSS) of a MTC Physical Downlink Control Channel (MPDCCH) or Narrowband Physical Data Control Channel (NPDCCH) for the scheduling of a Physical Downlink Shared Channel (PDSCH) or a Narrowband Physical Downlink Shared Channel (NPDSCH), respectively, to obtain downlink control information (DCI) that includes configuration information relating to a Single-Cell Multicast Control Channel (SC-MCCH).

公开(公告)号：US11438954B2

公开(公告)日：2022-09-06

申请号：US16465398

申请日：2018-05-05

Applicant: Apple Inc.

Inventor： Sudeep Palat ,  Seau Lim ,  Yujian Zhang ,  Richard Burbidge ,  Youn Hyoung Heo ,  Pingping Zong

IPC: H04W72/12 ,  H04L5/00 ,  H04W76/27 ,  H04W76/15

Abstract: Techniques for unifying split bearers at user equipment (UE) in an Evolved-Universal Terrestrial Radio Access-New Radio (E-ULTRA NR) dual connectivity (EN-DC) environment are described. According to various such techniques, a radio resource control (RRC) message can include an encapsulated configuration for a secondary cell group (SCG). Packet data convergence protocol (PDCP) configurations for MN or SN split bearers can be included in the master cell group (MCG) configuration in the RRC message or in the encapsulated SCG configuration. In some examples, an RRC message can include an encapsulated SCG configuration and an encapsulated PDCP configuration, where the encapsulated PDCP configuration including PDCP configuration information for the MN or SN split bearer. Other embodiments are described and claimed.

公开(公告)号：US11184930B2

公开(公告)日：2021-11-23

申请号：US16316842

申请日：2017-08-01

Applicant: Apple Inc.

Inventor： Seau Lim ,  Marta Martinez Tarradell ,  Debdeep Chatterjee ,  Youn Hyoung Heo

IPC: H04W72/04 ,  H04W74/08 ,  H04L5/00

Abstract: A Narrowband-Internet-of-Things (NB-IoT) device may select between multiple carrier resources (of an anchor carrier and/or non-anchor carriers) to perform a Narrowband Physical Random Access Channel (NPRACH) procedure. The NB-IoT device may determine, based on a reference signal from an enhanced NodeB (eNB), a coverage level for the NB-IoT device and receive carrier configuration information, from the eNB, that indicates the carriers (e.g., an anchor carrier and one or more non-anchor carriers) that are available for NPRACH procedure. The NB-IoT device may select a carrier resource from among the carriers based on factors, such as the coverage level of the NB-IoT device and the Reference Signals Received Power (RSRP) thresholds and Repetition levels of the carrier resources. The NB-IoT device may use the selected carrier resource to initiate the NPRACH procedure.

公开(公告)号：US10993283B2

公开(公告)日：2021-04-27

申请号：US16369187

申请日：2019-03-29

Applicant: Apple Inc.

Inventor： Jeongho Jeon ,  Seau Lim ,  Yongjun Kwak ,  Anthony Lee ,  Hwan-Joon Kwon ,  Joonyoung Cho ,  Huaning Niu

IPC: H04W74/08 ,  H04W88/02 ,  H04W72/14 ,  H04W88/04 ,  H04W88/06 ,  H04W16/14 ,  H04L5/00 ,  H04W74/00

Abstract: A network device (e.g., a user equipment (UE), or a new radio NB (gNB)) can process or generate a configuration of a physical random access channel (PRACH) over physical resource blocks (PRBs) that are interlaced in an unlicensed band in an NR unlicensed (NR-U) communication. The PRBs in the PRACH can be based on an occupied channel bandwidth (OCB) of the unlicensed band in the NR-U communication. A random access channel transmission in the PRACH can then be generated by interlacing the PRBs defining the PRACH.