公开(公告)号：US20210376946A1

公开(公告)日：2021-12-02

申请号：US17403605

申请日：2021-08-16

Applicant: ZTE Corporation

Inventor： Chenchen ZHANG ,  Wei CAO ,  Zhen YANG ,  Kaibo TIAN ,  Nan ZHANG

IPC: H04J13/00 ,  H04L27/26 ,  H04W74/08

Abstract: Methods, systems, and devices for generating preamble sequences where several Zadoff-Chu (ZC) sequences are generated based on multiple roots and multiple cyclic shifts per root and combined to generate the preamble sequences. Some embodiments may be used in wireless communication embodiments in which large propagation delays and/or Doppler movement are expected.

公开(公告)号：US20210345281A1

公开(公告)日：2021-11-04

申请号：US17369805

申请日：2021-07-07

Applicant: ZTE Corporation

Inventor： Zhen YANG ,  Nan ZHANG ,  Wei CAO ,  Kaibo TIAN

IPC: H04W56/00

Abstract: Methods, systems, and devices for TA adjustment schemes in a wireless communication are described. A wireless communication method is provided to include transmitting, by a network device, to a user device, a timing advance (TA) signaling including one or more TA adjustment parameters, the one or more TA adjustment parameters determined partially depending on the group of the user device.