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:
May. 13, 2014
Filed:
Dec. 05, 2011
Jianrui Han, Shenzhen, CN;
Jianrui Han, Shenzhen, CN;
Huawei Technologies Co., Ltd., Shenzhen, CN;
Abstract
The embodiments of the present invention relate to the field of communication technologies, and disclose a method for transmitting impairment information, a node, and a network system. The method for transmitting impairment information includes: receiving, by a first node on a path, first impairment information from a previous hop node, and updating the first impairment information to obtain physical impairment parameters of all or a part of available wavelengths at the first node; deleting a wavelength whose physical impairment parameter at the first node exceeds a preset range; and sending second impairment information to a next hop node of the first node when a residual wavelength still exists after the wavelength whose impairment parameter exceeds the preset range is deleted. The second impairment information includes a physical impairment parameter of the residual wavelength at the first node.