CN114245243B - PON gateway received light power automatic adjusting method - Google Patents
PON gateway received light power automatic adjusting method Download PDFInfo
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- CN114245243B CN114245243B CN202111590376.9A CN202111590376A CN114245243B CN 114245243 B CN114245243 B CN 114245243B CN 202111590376 A CN202111590376 A CN 202111590376A CN 114245243 B CN114245243 B CN 114245243B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q11/0067—Provisions for optical access or distribution networks, e.g. Gigabit Ethernet Passive Optical Network (GE-PON), ATM-based Passive Optical Network (A-PON), PON-Ring
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/40—Transceivers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/564—Power control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/60—Receivers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a PON gateway received light power automatic regulating method, which comprises the following steps: before an optical transceiver of the gateway is connected, an optical regulator module is embedded, and under the default condition, the optical regulator module is in a closed state; detecting the intensity n of the received original optical signal by a photoelectric detector and feeding back the intensity n to the upper computer software; judging whether the intensity n of the optical signal is in a reasonable range or not; if the intensity of the received original light is larger than the reasonable receiving range of the intensity of the optical signal, an instruction for increasing the light attenuation is issued to the light regulator module through the API interface; if the received original light intensity is smaller than the receiving reasonable range of the light signal intensity; issuing an instruction for increasing the light expansion to the light regulator module through the API interface; the light regulator module adjusts the light signal intensity according to the D value or the K value. The invention can effectively reduce the problem of unstable light in the optical network, reduce the maintenance cost and improve the maintenance efficiency.
Description
Technical Field
The invention relates to the technical field of PON optical network communication, in particular to an automatic adjusting method for PON gateway received optical power.
Background
The optical network deployed in China already covers hundreds of millions of families, the optical network plays an irreplaceable role in social development, most people enjoy the convenience brought by the optical network, the optical network can cover 80% of the user environment, but at the same time, the optical network is found to have a plurality of problems in the environment at the edge of the optical network, and the situation of unregistered registration or unstable light is often caused, for example, the following scenes:
scene 1) along with the rapid increase of the bandwidth used by users, although 1G can meet most of the user demands, the demand of 10G is strong, so that 1G and 10G compatible technologies appear in the development process of 1G to 10G, manufacturers provide 1G and 10G mixed connection applications, but when 10G and 1G are mixed on one light path for use, the light cat on the upper part of the light path can be caused to be registered on or work in an environment with unstable light due to too strong light or too weak light due to the difference of light devices and light path budget;
scenario 2) in an optical network deployed in the existing network, there are also cases where a pure 1G or 10G optical network cannot meet all user requirements, and as a result, the devices accessed below have more or less optical gateway devices in the edge network, which can only work in an unstable light environment all the time, or do not have an on condition.
In order to solve the above problems, an accurate regulation method for network service optical signal power is provided in a patent cn201610250476.X PON, where the implementation means of the scheme is as follows: in the operation process of the optical network, optical network equipment is used for accurately measuring the transmitted and received optical power values of the service wavelengths related to each optical node in the optical network topology at a certain moment; the transmitting and receiving optical power values of the relevant service wavelengths of all optical nodes at the moment are gathered together through the optical network service; the receiving optimization power of the relevant service wavelength of any optical node is subtracted by the receiving optical power value measured by the relevant service wavelength at the moment, the obtained difference value is the regulating value of the transmitting power of the relevant service wavelength of the optical node optical network equipment corresponding to the optical node in the optical network topology, and the relevant equipment accurately executes regulation. The method realizes the on-line accurate regulation and control of the power of various business optical signals of the optical network, ensures that the network is always in an optimal working state, and greatly improves the operation quality and the management quality of the optical network.
However, the solution of the scheme belongs to the manual calculation and intervention, and physical increase of some light attenuation is realized, but the increase is impossible on the trunk and can only be realized on each branch, so that the quantity is larger; and the method can only deal with the situation that the light is too strong and needs to be weakened, and can only deal with the scene that the light is weak and needs to be strengthened; external physical intervention is also greatly affected by various environments and is unstable.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, solves the dilemma of maintenance or deployment by automatically adjusting the light attenuation on the light path of the light gateway equipment, and does not need to pay attention to the complicated problems of budgeting of the light path, calculating the maintenance light intensity and the like by people; thereby providing a PON gateway received light power automatic adjusting method.
The aim of the invention is realized by the following technical scheme:
the PON gateway received light power automatic adjusting method comprises the following steps:
step 1: before an optical transceiver of the gateway is connected, an optical regulator module is embedded, and under the default condition, the optical regulator module is in a closed state, namely, no processing is carried out on an optical signal;
step 2: when the gateway device is under the default condition, detecting the intensity n of the received original optical signal through the photoelectric detector and feeding back to the upper computer software;
step 3: the upper computer software carries out logic judgment on the intensity n of the received optical signal, and judges whether the intensity n of the optical signal is in a reasonable range;
step 4: if the intensity of the received original light is larger than the reasonable receiving range of the intensity of the optical signal, the intensity of the received original light is too strong, the risk of blindness and instability exists for the optical device, and an instruction for increasing the light attenuation is issued to the light regulator module through the API interface, wherein the increased intensity is D;
step 5: if the received original light intensity is smaller than the receiving reasonable range of the light signal intensity; the light intensity is too weak, the risk that the received light cannot be analyzed exists, and an instruction for increasing the light expansion is issued to the light regulator module through the API interface, wherein the increased intensity is K;
step 6: the optical regulator module adjusts the intensity of the optical signal according to the D value or the K value; the D and K values may be adjusted at one time or may be adjusted progressively until the intensity of the final optical signal falls within a reasonable or optimal operating region.
Further, the optical regulator module is two parts consisting of an optical expander and an optical attenuator, which are serially arranged in the direction of the gateway.
Further, the main functions of the light adjuster module are: attenuating and gaining the optical signal in the RX direction of the gateway; the TX direction of the optical gateway is temporarily not processed, and the optical signal is passed through.
Further, an api interface in the light regulator module defines and sets two parameters K and D, where K is used to control the value of the light expander and D is used to control the value of the light attenuator.
Further, the reasonable range specifically includes: the reasonable receiving range of the optical signal intensity is-8 dBm to-27 dBm, and the optimal working range of the optical device is-15 dBm to-22 dBm.
Further, the value of the increased intensity D in the light attenuation instruction is to make the received light n fall within the optimal working range, and the minimum value of D is: d=n+15, with a maximum D value of d=n+22.
Further, the value of the increased intensity K in the light expansion instruction is to enable the received light n to fall in a reasonable receiving range, so that the light intensity is larger than-27 dBm; the value of K: n+K > -27, then K > -27-n.
Further, the light adjuster module in the step 6 further includes an instruction judging step before adjustment; the instruction judging step specifically comprises the following steps:
step 601: the optical regulator module reads the switching parameters after receiving the instruction issued by the upper computer software, and if the K value switch is 1 and the D value is 1, the message is considered invalid, and a parameter setting error result is returned;
step 602: if the K value is 1 and the D value is 0, reading the value of K; at the moment, the optical signal is required to be optically expanded, and then a value K of the optical gain related to the issuing is given; after successful issuing, returning an execution result to the upper computer software;
step 603: if the K value is 0 and the D value is 1, reading the D value, and if the optical signal is required to be subjected to optical attenuation, giving the D value of the optical attenuation related to the issuing; successful issuing, and returning an execution result to the upper computer software;
step 604: if the value of K is 0 and the value of D is also 0, the message is ignored and no action is taken, no matter whether the values of the two keys at the back are zero or not.
The invention has the beneficial effects that:
1) The invention can effectively reduce the problem of unstable light of the edge gateway caused by inconsistent light budget due to the mixed access of the 10G/1G PON in the optical network,
2) The invention can be used in pure 10G or pure 1G networks to solve the problems of the online and the stability of individual edge optical networks;
3) The invention reduces artificial low-efficiency intervention for adjusting the optical messages in the optical network, adopts automatic intelligent adjustment of equipment, reduces maintenance cost and improves maintenance efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flow chart of the method of the present invention.
Fig. 2 is a schematic diagram showing the embedding of the optical modulator of the present invention in the light receiving and transmitting direction.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In this embodiment, as shown in fig. 1, a PON gateway received optical power automatic adjustment method includes the following steps:
step 1: before an optical transceiver of the gateway is connected, an optical regulator module is embedded, and under the default condition, the optical regulator module is in a closed state, namely, no processing is carried out on an optical signal;
step 2: when the gateway device is under the default condition, detecting the intensity n of the received original optical signal through the photoelectric detector and feeding back to the upper computer software;
step 3: the upper computer software carries out logic judgment on the intensity n of the received optical signal, and judges whether the intensity n of the optical signal is in a reasonable range;
step 4: if the intensity of the received original light is larger than the reasonable receiving range of the intensity of the optical signal, the intensity of the received original light is too strong, the risk of blindness and instability exists for the optical device, and an instruction for increasing the light attenuation is issued to the light regulator module through the API interface, wherein the increased intensity is D (DpowerValue);
step 5: if the received original light intensity is smaller than the receiving reasonable range of the light signal intensity; the light intensity is too weak, the risk that the received light cannot be analyzed exists, and an instruction for increasing the light expansion is issued to the light regulator module through the API interface, wherein the increased intensity is K (KpowerValue);
step 6: the optical regulator module adjusts the intensity of the optical signal according to the D value or the K value; the D and K values may be adjusted at one time or may be adjusted progressively until the intensity of the final optical signal falls within a reasonable or optimal operating region.
Wherein, the light regulator module in step 6 also includes the instruction judging step before regulating; the instruction judging step specifically comprises the following steps:
step 601: the optical regulator module reads the switching parameters after receiving the instruction issued by the upper computer software, and if the K value switch is 1 and the D value is 1, the message is considered invalid, and a parameter setting error result is returned;
step 602: if the K value is 1 and the D value is 0, reading the value of K; at the moment, the optical signal is required to be optically expanded, and then a value K of the optical gain related to the issuing is given; after successful issuing, returning an execution result to the upper computer software;
step 603: if the K value is 0 and the D value is 1, reading the D value, and if the optical signal is required to be subjected to optical attenuation, giving the D value of the optical attenuation related to the issuing; successful issuing, and returning an execution result to the upper computer software;
step 604: if the value of K is 0 and the value of D is also 0, the message is ignored and no action is taken, no matter whether the values of the two keys at the back are zero or not.
In this embodiment, the software may be delivered to the regulator via a similar message,
typedef struct LightControl_s
{
boolean KpowerEnable// light-amplifying switch, default value is 0
Boolean DpowerEnable// switch for light decay, default value is 0
The value of int KpowerValue// light spread db, default value of 0
The value of int DpowerValue// light decay db, default to 0
}LightControl
In this embodiment, the optical conditioner module is a two-part module consisting of an optical expander and an optical attenuator, which are serially connected in the direction of the gateway.
The main functions of the light conditioner module are: attenuating and gain the optical signal in the RX direction of the gateway (the ingress direction of the gateway); the TX direction of the optical gateway (the outgoing direction of the gateway) is not processed, and the optical signal is directly passed through; an embedded module diagram of the light receiving and transmitting directions is shown in fig. 2.
An api interface in the optical regulator module defines two parameters K and D, wherein K is used for controlling the value of the optical expander and D is used for controlling the value of the optical attenuator.
Wherein, reasonable scope specifically includes: the reasonable receiving range of the optical signal intensity is-8 dBm to-27 dBm, and the optimal working range of the optical device is-15 dBm to-22 dBm.
Wherein, the value of the increased intensity D in the instruction of light attenuation is to make the received light n fall within the optimal working range, and the minimum value of D is: d=n+15, with a maximum D value of d=n+22.
The value of the intensity K added in the light expansion instruction is required to enable the received light n to fall in a reasonable receiving range, so that the light intensity is larger than-27 dBm; the value of K: n+K > -27, then K > -27-n.
Based on the defects of the prior art, the invention considers whether an optical gateway device can automatically adjust the optical attenuation on an optical line to solve the dilemma of maintenance or deployment; in this way, the complicated problems of manually paying attention to the budget of the optical path, calculating and maintaining the light intensity and the like are not needed.
The invention utilizes the miniaturization and cost of the current adjustable light attenuation and light expansion device, embeds the light power adjustment as an integral module into the light gateway, and is matched with the software to make interface control, the software detects the signal intensity of the initial light to serve as a basis, and then the light attenuation or light expansion in the embedded module is controlled to achieve the purpose of automatically adjusting the intensity of the received light, so that the light energy finally received by the light cat is always in a reasonable and comfortable intensity range, and the network instability caused by too strong or too weak light signals is reduced.
It should be noted that, for simplicity of description, the foregoing method embodiments are all expressed as a series of action combinations, but it should be understood by those skilled in the art that the present application is not limited by the described order of action, as some steps may take other order or be performed simultaneously according to the present application. Further, those skilled in the art will also appreciate that the embodiments described in the specification are all preferred embodiments and that the acts and elements referred to are not necessarily required in the present application.
In the foregoing embodiments, the descriptions of the embodiments are focused on, and for those portions of one embodiment that are not described in detail, reference may be made to the related descriptions of other embodiments.
Those skilled in the art will appreciate that implementing all or part of the above-described methods in the embodiments may be accomplished by computer programs stored in a computer-readable storage medium, which when executed, may include the steps of the embodiments of the methods described above. Wherein the storage medium may be a magnetic disk, an optical disk, a ROM, a RAM, etc.
The foregoing disclosure is illustrative of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.
Claims (4)
1. The PON gateway received light power automatic adjusting method is characterized by comprising the following steps:
step 1: before an optical transceiver of the gateway is connected, an optical regulator module is embedded, and under the default condition, the optical regulator module is in a closed state, namely, no processing is carried out on an optical signal;
step 2: when the gateway device is under the default condition, detecting the intensity n of the received original optical signal through the photoelectric detector and feeding back to the upper computer software;
step 3: the upper computer software carries out logic judgment on the intensity n of the received optical signal, and judges whether the intensity n of the optical signal is in a reasonable range;
step 4: if the intensity of the received original light is larger than the reasonable receiving range of the intensity of the optical signal, the intensity of the received original light is too strong, the risk of blindness and instability exists for the optical device, and an instruction for increasing the light attenuation is issued to the light regulator module through the API interface, wherein the increased intensity is D;
step 5: if the received original light intensity is smaller than the receiving reasonable range of the light signal intensity; the light intensity is too weak, the risk that the received light cannot be analyzed exists, and an instruction for increasing the light expansion is issued to the light regulator module through the API interface, wherein the increased intensity is K;
step 6: the optical regulator module adjusts the intensity of the optical signal according to the D value or the K value; the D value and the K value can be adjusted at one time or can be adjusted gradually until the intensity of the final optical signal falls into a reasonable working area or an optimal working area;
the reasonable range specifically comprises: the reasonable receiving range of the optical signal intensity is-8 dBm to-27 dBm, and the optimal working range of the optical device is-15 dBm to-22 dBm;
the value of the increased intensity D in the light attenuation instruction is to make the received light n fall within the optimal working range, and the minimum value of D is: d=n+15, with a maximum D value of d=n+22;
the value of the increased intensity K in the light expansion instruction is to enable the received light n to fall in a reasonable receiving range, so that the light intensity is larger than-27 dBm; the value of K: n+K > -27, then K > -27-n;
the light adjuster module in the step 6 further comprises an instruction judging step before adjustment; the instruction judging step specifically comprises the following steps:
step 601: the optical regulator module reads the switching parameters after receiving the instruction issued by the upper computer software, and if the K value switch is 1 and the D value is 1, the message is considered invalid, and a parameter setting error result is returned;
step 602: if the K value is 1 and the D value is 0, reading the value of K; at the moment, the optical signal is required to be optically expanded, and then a value K of the optical gain related to the issuing is given; after successful issuing, returning an execution result to the upper computer software;
step 603: if the K value is 0 and the D value is 1, reading the D value, and if the optical signal is required to be subjected to optical attenuation, giving the D value of the optical attenuation related to the issuing; successful issuing, and returning an execution result to the upper computer software;
step 604: if the value of K is 0 and the value of D is also 0, the message is ignored and no action is taken, no matter whether the values of the two keys at the back are zero or not.
2. The automatic PON gateway received optical power adjustment method according to claim 1, wherein the optical adjuster module is two parts consisting of an optical expander and an optical attenuator, which are serially arranged in a receiving direction of the gateway.
3. The automatic PON gateway received optical power adjustment method according to claim 2, wherein the optical adjuster module has main functions of: attenuating and gaining the optical signal in the RX direction of the gateway; the TX direction of the optical gateway is temporarily not processed, and the optical signal is passed through.
4. The automatic PON gateway received optical power adjustment method according to claim 2, wherein an api interface in the optical regulator module defines two parameters K and D, where K is used to control a value of an optical expander and D is used to control a value of an optical attenuator.
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| CN101047442A (en) * | 2006-04-02 | 2007-10-03 | 华为技术有限公司 | Maintenance method of passive optical network and its system |
| CN108282224A (en) * | 2018-02-13 | 2018-07-13 | 中天宽带技术有限公司 | A kind of WDM-PON Intelligent gateway systems with fiber failure detection function |
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| CN101646104A (en) * | 2008-08-04 | 2010-02-10 | 华为技术有限公司 | Method, device and system for adjusting power |
| CN105515648B (en) * | 2015-12-18 | 2018-05-15 | 成都广达新网科技股份有限公司 | The parametric calibration platform and its method of work of BOSA ON BOARD ONU modules |
| CN105792033B (en) * | 2016-04-20 | 2019-07-12 | 山东信通电子股份有限公司 | The accuracy controlling method of PON network business optical signal power |
| CN107666354B (en) * | 2016-07-27 | 2020-02-14 | 中国电信股份有限公司 | Power control method and system, optical line terminal and optical network unit |
| CN108574532B (en) * | 2017-03-13 | 2022-11-08 | 中兴通讯股份有限公司 | Optical signal power control method and device and optical line terminal |
| CN109040866B (en) * | 2018-07-23 | 2020-10-30 | 中天宽带技术有限公司 | Power-adjustable optical network unit terminal and control method thereof |
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| CN101047442A (en) * | 2006-04-02 | 2007-10-03 | 华为技术有限公司 | Maintenance method of passive optical network and its system |
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