公开(公告)号：US20220191830A1

公开(公告)日：2022-06-16

申请号：US17593076

申请日：2020-03-31

Applicant: APPLE INC.

Inventor： Alexey Khoryaev ,  Sergey Sosnin ,  Dmitry Belov ,  Artyom Putilin ,  Seunghee Han

IPC: H04W72/02 ,  H04W72/04 ,  H04L5/00 ,  H04L1/16

Abstract: Devices and methods provide for transmitting downlink (DL) positioning reference signals (PRSs) in a wireless system. A DL PRS resource pool is configured and divided into a plurality of DL PRS resource sets. The DL PRS resource pool includes a periodically repeated amount of resources dedicated for DL PRS transmission by a plurality of gNBs in the wireless communication system. The plurality of DL PRS resource sets correspond to one or more gNB of the plurality of the gNBs. The DL PRSs are encoded for transmission on configured DL PRS resources within the plurality of DL PRS resource sets.

公开(公告)号：US20220039080A1

公开(公告)日：2022-02-03

申请号：US16639660

申请日：2018-08-17

Applicant: Apple Inc.

Inventor： Alexey Khoryaev ,  Alexander Sirotkin ,  Sergey Panteleev ,  Sergey D. Sosnin ,  Dmitry Belov ,  Pavel Dyakov ,  Mikhail S. Shilov ,  Andrey Chervyakov

IPC: H04W72/04 ,  H04W4/40 ,  H04L5/00 ,  G01S19/46

Abstract: A user equipment (UE) or network device such as a Vehicle-to-Everything (V2X) node, or V2X device operates to configure sidelink signals with another vehicle or node with resources that can be used for ranging and sidelink communications within a Long Term Evolution (LTE) network or a New Radio (NR) network. The UE/device generate or process a broadcast communication of the sidelink signal via an adaptive antenna array or a directional antenna array and forming a directional radiation pattern from a beam sweeping operation based on geo-location information determined based on a sidelink signal. Depending on the geo-location information coordinates or the position of other vehicles or nodes can be derived to select or configure resources for a sidelink communication, including a Sidelink Ranging Reference Signal (SR-RS) and associated sidelink communication data.

公开(公告)号：US20220022150A1

公开(公告)日：2022-01-20

申请号：US17461687

申请日：2021-08-30

Applicant: Apple Inc.

Inventor： Alexey Khoryaev ,  Mikhail Shilov ,  Andrey Chervyakov ,  Sergey Panteleev ,  Dmitry Belov ,  Pavel Dyakov ,  Kyeongin Jeong

IPC: H04W56/00 ,  H04B17/318 ,  H04B17/382 ,  H04W4/46 ,  H03G3/20 ,  H04L1/00 ,  H04L5/00 ,  H04L27/36 ,  H04W72/12 ,  H04W88/04

Abstract: Embodiments of a User Equipment (UE) and methods for communication are generally described herein. The UE may be configured for carrier aggregation using a primary component carrier (CC) and a secondary CC. The UE may attempt to detect a sidelink synchronization signal (SLSS) from another UE on the primary CC. The UE may, if the SLSS from the other UE is detected: determine, based on the detected SLSS, a common time synchronization for the primary CC and the secondary CC for vehicle-to-vehicle (V2V) sidelink transmissions in accordance with the carrier aggregation. The UE may, if the SLSS from the other UE is not detected: transmit an SLSS to enable determination of the common time synchronization for the primary CC and the secondary CC by the other UE. The SLSS may be transmitted on the primary CC.

公开(公告)号：US20200304237A1

公开(公告)日：2020-09-24

申请号：US16812256

申请日：2020-03-06

Applicant: Apple Inc.

Inventor： Andrey Chervyakov ,  Alexey Khoryaev ,  Dmitry Belov ,  Mikhail Shilov ,  Sergey Sosnin

IPC: H04L1/00 ,  H04L27/26 ,  H04L5/00 ,  H04W4/40 ,  H04L25/02

Abstract: Implementations of this disclosure generally may relate to the field of wireless communications. More specifically, implementations described in this disclosure relate to different 3GPP LTE and LTE-A system enhancements to address the issue and support reliable V2X operation in the high mobility environments. Several solutions to improve the V2X system performance in the high mobility vehicular channel propagation conditions are described. Some aspects relate to the suggestion of a new DMRS patterns within individual subframes that promote more accurate CFO estimation. Moreover, another aspect provides DMRS mapping or puncturing patterns to transmit individual DMRS in a periodic pattern on respective OFDM/SC-FDMA symbols so that they do not occupy all REs of the OFDM/SC-FDMA symbols, respectively.