公开(公告)号：US20210185625A1

公开(公告)日：2021-06-17

申请号：US17185623

申请日：2021-02-25

Applicant: Apple Inc.

Inventor： Ajit Nimbalker ,  Debdeep Chatterjee ,  Jeongho Jeon ,  Fatemeh Hamidi-Sepehr ,  Sergey Panteleev ,  Gang Xiong ,  Alexey Vladimirovich Khoryaev ,  Mikhail Shilov ,  Sergey Sosnin ,  Andrey Chervyakov

IPC: H04W56/00 ,  H04L5/00 ,  H04W4/40 ,  H04W72/12

Abstract: Embodiments of a User Equipment (UE), Generation Node-B (gNB) and methods of communication are disclosed herein. The UE may attempt to decode sidelink synchronization signals (SLSSs) received on component carriers (CCs) of a carrier aggregation. In one configuration, synchronization resources for SLSS transmissions may be aligned across the CCs at subframe boundaries in time, restricted to a portion of the CCs, and restricted to a same sub-frame. The UE may, for multiple CCs, determine a priority level for the CC based on indicators in the SLSSs received on the CC. The UE may select, from the CCs on which one or more SLSSs are decoded, the CC for which the determined priority level is highest. The UE may determine a reference timing for sidelink communication based on the one or more SLSSs received on the selected CC.

公开(公告)号：US10951360B2

公开(公告)日：2021-03-16

申请号：US15766466

申请日：2016-12-09

Applicant: Apple Inc.

Inventor： Jeongho Jeon ,  Abhijeet Bhorkar ,  Qiaoyang Ye ,  Fatemeh Hamidi-Sepehr ,  Hwan-Joon Kwon

IPC: H04L1/18 ,  H04L1/16 ,  H04L5/14 ,  H04W16/14 ,  H04W84/04

Abstract: The present disclosure provides for a user equipment (UE) operating in an unlicensed spectrum in time division duplex (TDD). Operating a UE in an unlicensed spectrum in TDD can comprise generating a bitmap message. Generating a bitmap message can include accessing a bitmap comprising a plurality of positions based on a plurality of supported HARQ processes including the HARQ process, mapping a HARQ process identifier (ID) of the HARQ process to a position from the plurality of positions of the partitioned bitmap, and generating a bitmap message comprising the ACK/NACK message in the position of the bitmap corresponding to the HARQ process ID.