The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 08, 2022

Filed:

Dec. 16, 2019
Applicant:

Huawei Technologies Co., Ltd., Shenzhen, CN;

Inventors:

Yafei Wang, Shanghai, CN;

Junchao Li, Shanghai, CN;

Chi Zhang, Shanghai, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 4/00 (2018.01); H04W 74/08 (2009.01); H04W 72/04 (2009.01); H04W 72/12 (2009.01);
U.S. Cl.
CPC ...
H04W 74/0833 (2013.01); H04W 72/0446 (2013.01); H04W 72/1268 (2013.01);
Abstract

A communications method is provided, to satisfy a requirement of indicating a random access resource dynamically and effectively reduce resource conflicts caused when PRACH resource configuration is performed. The method includes: sending, by a network device, a first message and a second message to user equipment, where the first message is used to indicate a set of candidate time domain resource units of a physical random access channel of the user equipment, the second message carries first indication information, and the first indication information is used to indicate a time domain resource unit format of a first candidate time domain resource unit in the plurality of candidate time domain resource units; and receiving, by the network device from the user equipment based on the time domain resource unit format, a random access preamble in the first candidate time domain resource unit.


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