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.
Patent No.:
Date of Patent:
Nov. 19, 2019
Filed:
Nov. 30, 2016
Yulong Computer Telecommunication Scientific (Shenzhen) Co., Ltd., Shenzhen, CN;
Abstract
An embodiment of the present disclosure provides a preamble configuration method on an unlicensed carrier, the method includes: configuring a Physical Random Access Channel (PRACH) configuration message, the PRACH configuration message including subframe location information, first Clear Channel Assessment (CCA) interval location information, a channel detection mechanism, preamble format information, and preamble sending location information. The subframe location information indicates a location of a subframe where M to-he-transmitted preambles are located, The first CCA interval location information represents a location of a CCA interval before each preamble in the M to-be-transmitted preambles on the subframe or on a previous subframe of the subframe. The channel detection mechanism is used for indicating whether user equipment detects that the unlicensed carrier is in an idle state. The preamble format information indicates that the to-be-transmitted preambles are format 4 preambles.