公开(公告)号：US20220386294A1

公开(公告)日：2022-12-01

申请号：US17755335

申请日：2019-11-04

Applicant: Apple Inc.

Inventor： Fangli XU ,  Chunhai YAO ,  Clive E. RODGERS ,  Dawei ZHANG ,  Haijng HU ,  Haitong SUN ,  Wei ZENG ,  Yuqin CHEN ,  Yushu ZHANG ,  Zhibin WU

IPC: H04W72/04 ,  H04W56/00 ,  H04W24/08 ,  H04W74/08

Abstract: Devices, systems and methods for implementing beam failure management techniques at a user equipment (UE). The UE receives a timing advance command (TAC) from a currently camped cell and initiates a time advance timer (TAT). When the TAT is running the UE is in a first operating state. The first operating state indicates that the UE is in time alignment with the cell. The UE identifies that the TAT has expired. When the TAT is not running the UE is in a second operating state. The second operating state indicates that the UE is not in time alignment with the cell. The UE implements one or more beam failure management techniques based on the UE operating in the second operating state.

公开(公告)号：US20220312327A1

公开(公告)日：2022-09-29

申请号：US17593661

申请日：2020-07-23

Applicant: Apple Inc.

Inventor： Fangli XU ,  Chunhai YAO ,  Clive E. RODGERS ,  Dawei ZHANG ,  Haijing HU ,  Haitong SUN ,  Longda XING ,  Murtaza A. SHIKARI ,  Sarma V. VANGALA ,  Sethuraman GURUMOORTHY ,  Srirang A. LOVLEKAR ,  Wei ZENG ,  Yuchul KIM ,  Yuqin CHEN ,  Yushu ZHANG ,  Zhibin WU

IPC: H04W52/02 ,  H04W68/00 ,  H04W56/00

Abstract: A base station is configured to transmit wake-up signals to a user equipment to wake-up the UE to receive a page from the base station. The base station transmits one or more synchronization signals, wherein the synchronization signals correspond to a wake-up signal (WUS) that is to be transmitted to a user equipment (UE) operating in a paging discontinuous reception (DRX) cycle, wherein the paging DRX cycle includes a paging occasion (PO) and transmits the WUS to the UE during a WUS occasion, wherein the WUS indicates whether the UE is to utilize an active mode or a sleep mode during the PO.