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:
Feb. 25, 2020
Filed:
Jul. 31, 2014
Yulong Computer Telecommunication Scientific (Shenzhen) Co., Ltd., Shenzhen, Guangdong, CN;
Yajun Zhu, Guangdong, CN;
Yunfei Zhang, Guangdong, CN;
Yiqing Cao, Guangdong, CN;
Chenlu Zhang, Guangdong, CN;
NANCHANG COOLPAD INTELLIGENT TECHNOLOGY COMPANY LIMITED, Nanchang, Jiangxi Province, CN;
Abstract
A method for maintaining time and frequency synchronization when a micro-cell base station is in an off state, a system for maintaining time and frequency synchronization when a micro-cell base station is in an off state, and a terminal are provided. The method includes: detecting a signal sent by a macro-cell base station or the micro-cell base station in a subframe at a predefined position when the micro-cell base station is in an off state; and performing an operation for maintaining time and frequency synchronization with the micro-cell base station based on the signal sent in the subframe at the predefined position.