CN101300759 Method and apparatus for restoration of operating conditions of an optical ring network comprising a plurality of optical amplifiers after a break or other fault in the ring network

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Application Number 200680026697.3

Application Date 26.05.2006

Publication Number 101300759

Publication Date 05.11.2008

Publication Kind A

IPC

CPC

Applicants Ericsson AB
爱立信股份有限公司

Inventors Bogoni Antonella
A·博戈尼
Magri Roberto
R·马格里
Ceccatelli Riccardo
R·切卡特利

Agents wangzhong zhong
中国专利代理(香港)有限公司
中国专利代理(香港)有限公司

Priority Data 102005901315247 26.05.2005 IT

Title

(EN) Method and apparatus for restoration of operating conditions of an optical ring network comprising a plurality of optical amplifiers after a break or other fault in the ring network

(ZH) 在包括多个光学放大器的光环形网络中发生中断或其它故障时恢复环形网络操作条件的方法和设备

Abstract

(EN) A method and apparatus for restoration of operating conditions of a WDM optical ring network comprising a plurality of amplifiers linked together in a ring after a break or fault has occurred in the network. The method comprises in response to repair of the break or other fault, increasing output power or /and pump power of an amplifier in the network such that the output power or/and pump power increases substantially in accordance with a ramp function.

(ZH)

本文公开了包括在环形中链接在一起的多个放大器的WDM光环形网络中发生中断或故障时恢复网络操作条件的方法和设备。方法包括响应中断或其它故障的修复，增大网络中放大器的输出功率或/和泵浦功率，使得输出功率或/和泵浦功率大致根据一个斜坡函数增大。

H	ELECTRICITY
04	ELECTRIC COMMUNICATION TECHNIQUE
B	TRANSMISSION
10	Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
12	Transmission through light guides, e.g. optical fibres
20	Arrangements for networking, e.g. bus or star coupling
213	using a T-type coupler

H	ELECTRICITY
04	ELECTRIC COMMUNICATION TECHNIQUE
B	TRANSMISSION
10	Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
02	Details
08	Equipment for monitoring, testing or fault measuring

H	ELECTRICITY
04	ELECTRIC COMMUNICATION TECHNIQUE
B	TRANSMISSION
10	Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
12	Transmission through light guides, e.g. optical fibres
16	Repeaters
17	in which processing or amplification is carried out without conversion of the signal from optical form

H	ELECTRICITY
04	ELECTRIC COMMUNICATION TECHNIQUE
B	TRANSMISSION
10	Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
12	Transmission through light guides, e.g. optical fibres
20	Arrangements for networking, e.g. bus or star coupling
213	using a T-type coupler

H	ELECTRICITY
04	ELECTRIC COMMUNICATION TECHNIQUE
B	TRANSMISSION
10	Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
02	Details
08	Equipment for monitoring, testing or fault measuring

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1. CN101300759 - Method and apparatus for restoration of operating conditions of an optical ring network comprising a plurality of optical amplifiers after a break or other fault in the ring network

H	ELECTRICITY
04	ELECTRIC COMMUNICATION TECHNIQUE
J	MULTIPLEX COMMUNICATION
14	Optical multiplex systems
02	Wavelength-division multiplex systems