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:
Apr. 10, 2018
Filed:
Sep. 30, 2016
Applicant:
Huawei Technologies Co., Ltd., Shenzhen, CN;
Inventors:
Juan Wang, Shenzhen, CN;
Ning Deng, Shenzhen, CN;
Xiaodong Luo, Chengdu, CN;
Zhiyong Feng, Shenzhen, CN;
Assignee:
Huawei Technologies Co., Ltd., Shenzhen, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 10/04 (2006.01); H04B 10/50 (2013.01); H04B 10/079 (2013.01); H04B 10/54 (2013.01);
U.S. Cl.
CPC ...
H04B 10/5057 (2013.01); H04B 10/0795 (2013.01); H04B 10/541 (2013.01); H04B 2210/075 (2013.01);
Abstract
A transmitter includes a pilot loading apparatus, an optical modulator, and a pilot locking apparatus. The pilot locking apparatus is configured to determine a pilot operating point that is currently on a response curve and that is of the optical modulator, and a target initial amplitude of an electrical pilot signal. The pilot locking apparatus is further configured to control the pilot loading apparatus to adjust an initial amplitude of the electrical pilot signal to the target initial amplitude.