TRANSCEIVING SYSTEM, TRANSMITTER, RECEIVER, AND CONTROL METHOD OF TRANSCEIVING SYSTEM

• US 20170033883A1
• Filed: 05/31/2016
• Published: 02/02/2017
• Est. Priority Date: 07/29/2015
• Status: Active Grant

• Current Assignee: Fujitsu Limited
• Original Assignee: Fujitsu Limited
• Inventors: Shimizu, Takashi, MIYOSHI, TAKASHI
• Granted Patent: US 10,003,430 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: H04B 10/07955 Monitoring or measuring power
• CPC Class Codes: H04B 10/40 Transceivers
• CPC Class Codes: H04B 10/564 Power control
• CPC Class Codes: H04B 10/572 Wavelength control
• CPC Class Codes: H04B 10/61 Coherent receivers
• CPC Class Codes: H04B 10/801 using optical interconnects, e.g. light coupled isolators, circuit board interconnections
• CPC Class Codes: H04J 14/0221 Power control, e.g. to keep the total optical power constant

Abstract

A transceiving system includes: a transmitter; and a receiver coupled to the transmitter via optical transmission lines, the transmitter includes: a first processor configured to generate division data obtained by dividing data; a modulator configured to modulate wavelengths of transport lights, which transport the division data, based on setting information including a correspondence relationship between identification information identifying each of the optical transmission lines and wavelength information indicating a wavelength, and output lights, each of which is superimposed with the respective division data, to the optical transmission lines; and a second processor configured to transmit changed setting information, which is obtained by changing the setting information, to the receiver, and the receiver includes: a de-multiplexer configured to separate lights from the optical transmission lines into de-multiplexed lights of a wavelengths, based on the changed setting information; and a third processor configured to convert the de-multiplexed lights into division data.

Claims

1. A transceiving system comprising:

a transmitter; and

a receiver coupled to the transmitter via optical transmission lines using optical wavelength multiplexing communication,

wherein the transmitter includes;

a first processor configured to generate a plurality of division data obtained by dividing data, and transmit the plurality of division data;

a modulator configured to modulate wavelengths of transport lights, which transport the plurality of division data, respectively, based on setting information including a correspondence relationship between identification information identifying each of the optical transmission lines and wavelength information indicating a wavelength, and output lights, each of which is superimposed with the respective division data, to the optical transmission lines, respectively; and

a second processor configured to transmit changed setting information, which is obtained by changing the setting information, to the receiver, and

wherein the receiver includes;

a de-multiplexer configured to separate lights input from the optical transmission lines into de-multiplexed lights of a plurality of wavelengths, respectively, based on the changed setting information; and

a third processor configured to convert the plurality of de-multiplexed lights into division data, respectively.

2. The transceiving system according to claim 1, wherein the second processor is configured to:

acquire first power consumption information used for a modulating process of the modulator and second power consumption information used for a separating process of the de-multiplexer;

define a correspondence relationship between identification information of the optical transmission line in which sum of the first power consumption and the second power consumption is decreased and the wavelength information; and

change the setting information.

3. The transceiving system according to claim 1, wherein the second processor is configured to:

acquire first power consumption information used for a modulating process of the modulator and second power consumption information used for a separating process of the de-multiplexer;

define a correspondence relationship between identification information of the optical transmission line in which a maximum of the first power consumption and the second power consumption is decreased and the wavelength information; and

change the setting information.

4. The transceiving system according to claim 1, wherein the third processor is configured to assemble the division data, which are converted from the de-multiplexed lights into the data.

5. A transmitter comprising:

a first processor configured to generate a plurality of division data obtained by dividing data, and transmit the plurality of generated division data;

a modulator configured to modulate wavelengths of transport lights, which transport the plurality of division data, respectively, based on setting information including a correspondence relationship between identification information identifying each of optical transmission lines and wavelength information indicating a wavelength, and output lights, each of which is superimposed with the respective division data, to the optical transmission lines, respectively; and

a second processor configured to transmit changed setting information, which is obtained by changing the setting information, to a receiver coupled to the transmitter via the optical transmission lines by optical wavelength multiplexing communication.

6. The transmitter according to claim 5, wherein the second processor is configured to:

acquire first power consumption information used for a modulating process of the modulator and second power consumption information used for a de-multiplexing process of a de-multiplexer in the receiver that separates lights input from the optical transmission lines into de-multiplexed lights of a plurality of wavelengths, respectively, based on the changed setting information;

define a correspondence relationship between identification information of the optical transmission line in which sum of the first power consumption and the second power consumption is decreased and the wavelength information; and

change the setting information.

7. The transmitter according to claim 5, wherein the second processor is configured to:

acquire first power consumption information used for a modulating process of the modulator and second power consumption information used for a de-multiplexing process of a de-multiplexer in the receiver that separates lights input from the optical transmission lines into de-multiplexed lights of a plurality of wavelengths, respectively, based on the changed setting information;

define a correspondence relationship between identification information of the optical transmission line in which a maximums of the first power consumption and the second power consumption are decreased and the wavelength information; and

change the setting information.

8. A receiver comprising:

a de-multiplexer configured to, upon receiving changed setting information including a correspondence relationship between identification information identifying each of optical transmission lines of a transmitter coupled to the receiver via the optical transmission lines by optical wavelength multiplexing communication and the wavelength information indicating a wavelength, separate lights input from the optical transmission lines into a plurality of de-multiplexed lights of a plurality of wavelengths, respectively, based on the changed setting information; and

a processor configured to convert the plurality of de-multiplexed lights into division data, respectively and assemble the division data, which are converted from the de-multiplexed lights of the converting units, to the data.

9. A control method of a transceiving system including a transmitter and a receiver coupled to the transmitter via an optical transmission line using optical wavelength-multiplexing communication, wherein the transmitter performs a process comprising:

generating each of a plurality of division data obtained by dividing data;

transmitting each of the plurality of division data;

modulating wavelengths of transport lights, which transport the plurality of division data, respectively, based on setting information including a correspondence relationship between identification information identifying each of the optical transmission lines and wavelength information indicating a wavelength, and outputting lights, each of which is superimposed with division data, to the optical transmission lines, respectively; and

transmitting changed setting information, which is obtained by changing the setting information, to the receiver, and

wherein the receiver performs a process comprising;

separating lights input from the optical transmission lines into a plurality of de-multiplexed lights of a plurality of wavelengths, based on the changed setting information; and

converting the plurality of de-multiplexed lights into division data, respectively.

10. The control method according to claim 9, wherein the process performed by the transmitter further comprises:

acquiring first power consumption information used for the modulating and second power consumption information used for the separating; and

defining a correspondence relationship between identification information of the optical transmission line in which sum of the first power consumption and the second power consumption is decreased and the wavelength information; and

changing the setting information.

11. The control method according to claim 9, wherein the process performed by the transmitter further comprises:

acquiring first power consumption information used for the modulating and second power consumption information used for the separating;

defining a correspondence relationship between identification information of the optical transmission line in which a maximum of the first power consumption and the second power consumption is decreased and the wavelength information; and

changing the setting information.