CN108933631A - Light power control method, device and the optical network system of optical network unit - Google Patents
Light power control method, device and the optical network system of optical network unit Download PDFInfo
- Publication number
- CN108933631A CN108933631A CN201710387200.0A CN201710387200A CN108933631A CN 108933631 A CN108933631 A CN 108933631A CN 201710387200 A CN201710387200 A CN 201710387200A CN 108933631 A CN108933631 A CN 108933631A
- Authority
- CN
- China
- Prior art keywords
- optical power
- onu
- value
- uplink
- power value
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
-
- 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
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
- H04B10/0795—Performance monitoring; Measurement of transmission parameters
-
- 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
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
- H04B10/0795—Performance monitoring; Measurement of transmission parameters
- H04B10/07955—Monitoring or measuring power
Abstract
The invention discloses optical power control, device and the optical network system of optical network unit in a kind of chain Optical Distribution Network, method therein includes：Obtain the uplink optical power value that the optical network unit ONU of connection is established under the passive optical network PON port of optical line terminal OLT；Judge whether the ratio of the uplink optical power value of two ONU is greater than preset differential path loss threshold value；If it is, being adjusted to the transmitter optical power of two ONU, so that ratio is less than differential path and threshold value is lost.Method, apparatus and system of the invention, it is compared by calculating the ratio of the uplink optical power of different ONU and threshold value being lost with preset differential path, determine adjusting direction and the parameter of ONU uplink optical power, it can satisfy the scene demand of chain networking, solve the problems, such as that ONU number is hung under Optical Distribution Network system to be limited, the safe operation that ensure that existing network service effectively increases the utilization rate of Optical Distribution Network system.
Description
Technical field
The present invention relates to a kind of light function of optical network unit in optical-fiber network technical field more particularly to chain Optical Distribution Network
Rate control, device and optical network system.
Background technique
Currently, the group net topology of passive optical network (Passive Optical Network, passive optical network) is generally set
Shape structure.As shown in Figure 1, optical splitter is equal part optical splitter, i.e. optical splitter by OLT (Optical Line Terminal, light
Road terminal) PON mouth downlink optical power uniformly etc. give each ONU (Optical Network Unit, optical network unit)
Connectivity port, while the uplink port of each ONU, do not consider the excess loss of optical fiber, damage by the introduced insertion of optical splitter
Consumption is also impartial.In chain networking, optical splitter is non-equal part optical splitter, i.e., the two of optical splitter are divided port for OLT
PON mouthfuls of downlink optical power is that equal part is not distributed, as shown in Fig. 2, if using 1：9 non-equal part optical splitter, each ONU points
The optical power matched is that optical splitter enters to hold the 10% of optical power, and remaining 90% optical power is assigned to next cascade optical splitter
Enter end, the OLT downlink optical power that each ONU is received is successively decreased in proportion, while the uplink optical power of ONU passes through optical splitter
The insertion loss of network be also it is incremental in proportion, the uplink optical power that OLT is received successively is successively decreased in proportion, therefore,
The ratio of its very possible uplink optical power of two ONU can be more than the value of system differential path loss end to end, and to system reality
Border ability brings adverse effect.The ability for the ONU number that estimation Optical Distribution Network system can accommodate, the ONU number hung instantly
When being 33, distalmost end and the uplink linght power ratio of most proximal end ONU are：
Uplink linght power ratio 0.03 is scaled as unit of dB：10*log((0.03)-1)=15.2dB, i.e., two
The uplink linght power ratio of ONU be 15.2dB, be more than PON technical standard define differential path loss defined 15dB
Range.Therefore, when ONU number increases to 33 in system, the uplink optical signal between different ONU may be cannot be distinguished in OLT,
Error rate of system may be brought to improve, the problem of system can not work normally.
In the prior art, the case where being more than 15dB for above-mentioned uplink linght power ratio, the ONU number in reduction system
Mesh repeats above-mentioned calculating process, system can satisfy the requirement that differential path is lost at this time for discovery when being reduced to 32 ONU.
But according to the regulation of PON technical standard, maximum supported ONU quantity is generally no less than 64 in the same ODN network.
But for the scene of above-mentioned chain networking, the ONU quantity that can be accommodated in the prior art can only achieve 32, far less than mark
Theoretical value as defined in standard, therefore the utilization rate of PON system will receive considerable restraint.
Summary of the invention
In view of this, the invention solves a technical problem be to provide optical-fiber network list in a kind of chain Optical Distribution Network
Optical power control, device and the optical network system of member.
According to an aspect of the present invention, a kind of optical power control side of optical network unit in chain Optical Distribution Network is provided
Method, including：Obtain the uplink linght that the optical network unit ONU of connection is established under the passive optical network PON port of optical line terminal OLT
Performance number；Judge whether the ratio of the uplink optical power value of two ONU is greater than preset differential path loss threshold value；If so,
Then the transmitter optical power of described two ONU is adjusted, so that the ratio is less than the differential path and threshold value is lost.
Optionally, the optical network unit of connection is established under the passive optical network PON port for obtaining optical line terminal OLT
The uplink optical power value of ONU includes：When judgement meets detection trigger condition, obtains and establish connection under the port PON of the OLT
Whole ONU uplink optical power value；Wherein, the detection trigger condition includes：The port PON sends and/or receives number
According to the bit error rate be more than preset threshold value, the event appearance for establishing under the port PON new ONU connection.
Optionally, whether the ratio of the uplink optical power value for judging two ONU is greater than preset differential path loss
Threshold value includes：Maximum uplink optical power value and minimum uplink optical power value are selected from the uplink optical power value of the whole ONU；
The ratio is determined according to the maximum uplink optical power value and the minimum uplink optical power value；Judge whether the ratio is big
Threshold value is lost in the differential path.
Optionally, the transmitter optical power to described two ONU be adjusted including：To the maximum uplink linght function
First ONU corresponding to rate value sends configuration order, and the transmitter optical power to control the first ONU reduces the first power
Adjusted value；Judge whether the transmitter optical power of the first ONU adjusts success, if it is not, then to the minimum uplink linght function
2nd ONU corresponding to rate value sends configuration order, and the transmitter optical power to control the 2nd ONU increases the second power
Adjusted value.
Optionally, after the transmitter optical power adjustment success of 2nd ONU of the first ONU or described, circulation obtains institute
State the uplink optical power value of whole ONU, and judge the maximum uplink optical power value in the uplink optical power value of the whole ONU and
Whether the ratio of minimum uplink optical power value is greater than the differential path loss threshold value；If it is, the adjustment maximum uplink
The transmitter optical power of 2nd ONU corresponding to the minimum uplink optical power value of first ONU or described corresponding to optical power value, such as
Fruit is no, then terminates the circulation.
According to another aspect of the present invention, a kind of uplink linght power control device is provided, including：Optical power detection module,
The uplink optical power of the optical network unit ONU of connection is established under passive optical network PON port for obtaining optical line terminal OLT
Value；Optical power adjustment module, for judging whether the ratio of uplink optical power value of two ONU is greater than preset differential path damage
Threshold value is consumed, if it is, the transmitter optical power to described two ONU is adjusted, so that the ratio is less than the difference
Path loss threshold.
Optionally, the optical power detection module is also used to obtain the OLT when judgement meets detection trigger condition
The port PON under establish connection whole ONU uplink optical power value；Wherein, the detection trigger condition includes：The PON
The bit error rate that port sent and/or received data is more than preset threshold value, establishes new ONU connection under the port PON
Event occur.
Optionally, the optical power adjustment module, including：Determination unit is adjusted, for the uplink linght from the whole ONU
Maximum uplink optical power value and minimum uplink optical power value are selected in performance number；According to the maximum uplink optical power value and described
Minimum uplink optical power value determines the ratio；Judge whether the ratio is greater than the differential path loss threshold value.
Optionally, the optical power adjustment module, including：Execution unit is adjusted, is used for the maximum uplink optical power
The first corresponding ONU of value sends configuration order, and the transmitter optical power to control the first ONU reduces the first power tune
Whole value；Judge whether the transmitter optical power of the first ONU adjusts success, if it is not, then to the minimum uplink optical power
The 2nd corresponding ONU of value sends configuration order, and the transmitter optical power to control the 2nd ONU increases the second power tune
Whole value.
Optionally, the adjustment execution unit is also used to the transmitter light function in 2nd ONU of the first ONU or described
After rate adjusts successfully, circulation obtains the uplink optical power value of the whole ONU；The adjustment determination unit, it is described for judging
It is described whether the ratio of maximum uplink optical power value and minimum uplink optical power value in the uplink optical power value of whole ONU is greater than
Threshold value is lost in differential path；The adjustment execution unit, if being also used to whether the ratio is greater than the differential path loss
Threshold value then adjusts corresponding to the minimum uplink optical power value of the first ONU or described corresponding to the maximum uplink optical power value
The transmitter optical power of 2nd ONU, if it is not, then terminating the circulation.
According to another aspect of the invention, a kind of optical line terminal OLT, including uplink optical power control as described above are provided
Device processed
In accordance with a further aspect of the present invention, a kind of optical network system, including optical line terminal OLT as described above are provided.
The light power control method of optical network unit, device and optical-fiber network system in chain Optical Distribution Network of the invention
System is compared by calculating the ratio of the uplink optical power of different ONU and threshold value being lost with preset differential path, is determined
The adjusting direction of ONU uplink optical power and parameter can satisfy the scene demand of chain networking, solve Optical Distribution Network system
It is lower to hang the limited problem of ONU number, it ensure that the safe operation of existing network service, effectively increase the utilization of distribution network system
Rate.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only
Some embodiments of the present invention, for those of ordinary skill in the art, without any creative labor, also
Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is tree-like group of ODN in the prior art (Optical Distribution Network, Optical Distribution Network)
Web frame schematic diagram；
Fig. 2 is the chain networking structural schematic diagram of ODN in the prior art；
Fig. 3 is an implementation of the light power control method of optical network unit in chain Optical Distribution Network according to the present invention
The flow chart of example；
Fig. 4 is another reality of the light power control method of optical network unit in chain Optical Distribution Network according to the present invention
Apply the flow chart of example；
Fig. 5 is an implementation of the optical power control device of optical network unit in chain Optical Distribution Network according to the present invention
The module diagram of example.
Specific embodiment
With reference to the accompanying drawings to invention is more fully described, wherein illustrating exemplary embodiment of the present invention.Under
Face will combine the attached drawing in the embodiment of the present invention, and technical scheme in the embodiment of the invention is clearly and completely described, show
So, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the reality in the present invention
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the scope of protection of the invention.
Fig. 3 is an implementation of the light power control method of optical network unit in chain Optical Distribution Network according to the present invention
The flow chart of example, as shown in Figure 3：
Step 301, the optical network unit ONU that connection is established under the passive optical network PON port of optical line terminal OLT is obtained
Uplink optical power value.The optical power that ONU is sent in the chain Optical Distribution Network that OLT measurement receives, ONU send number to OLT
According to optical power be uplink optical power.
Step 302, judge whether the ratio of the uplink optical power value of two ONU is greater than preset differential path loss threshold
Value.Differential path loss threshold value can require to be configured according to agreement and real work, and for example, system is permitted most
Big differential path loss.OLT can the uplink optical power periodically to the ONU received be monitored and compare.
Step 303, if the ratio of the uplink optical power value of two ONU is greater than differential path and threshold value is lost, to two
The transmitter optical power of ONU is adjusted, so that ratio is less than differential path and threshold value is lost.
The light power control method of optical network unit in chain Optical Distribution Network in above-described embodiment, in non-equal part chain
In networking scene (as shown in Figure 2), if it find that the ratio of the uplink optical power of certain two ONU has been more than preset differential path
Threshold value is lost, then the transmitter optical power of ONU is adjusted, until the ratio of the uplink optical power of any two ONU is small
Threshold value is lost in differential path, solves the problems, such as to hang ONU limited amount under Optical Distribution Network system.
The light power control method of optical network unit in chain Optical Distribution Network in above-described embodiment, it is different by calculating
The ratio of ONU uplink optical power is simultaneously compared with preset differential path loss threshold value, can determine the uplink optical power of ONU
Adjusting direction and design parameter, compare other power adjustment schemes, more meet the concrete application scene demand under chain networking,
The safe operation that ensure that existing network service effectively improves ODN utilization rate, has the feasibility of existing net application deployment.
Fig. 4 is another reality of the light power control method of optical network unit in chain Optical Distribution Network according to the present invention
The flow chart of example is applied, as shown in Figure 4：
Step 401, judge to meet detection trigger condition, if so, 402 are entered step, if it is not, then continuing to supervise
Control.Detecting trigger condition includes：The bit error rate that the port PON sent, received data is more than preset threshold value, under the port PON
Establish new ONU connection etc..
Step 402, the uplink optical power value that whole ONU of connection are established under the port PON of OLT is obtained.OLT is according to triggering
Condition starts to detect the uplink optical power for each ONU for establishing connection under the port PON, obtains uplink optical power value.
Step 403, maximum uplink optical power value and minimum uplink optical power are selected from the uplink optical power value of whole ONU
Value determines ratio according to maximum uplink optical power value and minimum uplink optical power value, and OLT calculates maximum uplink optical power/most
The ratio of small uplink optical power.
Step 404, judge whether ratio is greater than differential path loss threshold value.It is fixed based on standard that threshold value, which is lost, in differential path
The 15dB of justice.If it is, 405 are entered step, if it is not, then entering step 409, not adjusting ONU optical power and terminating.
Step 405, configuration order is sent to the first ONU corresponding to maximum uplink optical power value, to control the first ONU
Transmitter optical power reduce the first power adjustment.First power adjustment is adjustment parameter, and specific numerical value can basis
Adjustment rule and ratio are configured.
Step 406, judge whether the transmitter optical power of the first ONU adjusts success, if it is, adjusting successfully, enter
Step 402, cycle detection is carried out, if not, entering step 407.
Step 407, configuration order is sent to the 2nd ONU corresponding to minimum uplink optical power value, to control the 2nd ONU
Transmitter optical power increase the second power adjustment.Second power adjustment is adjustment parameter, and specific numerical value can basis
Adjustment rule and ratio are configured.
Step 408, judge whether the transmitter optical power of the 2nd ONU adjusts success, if it is, adjusting successfully, enter
Step 402, cycle detection is carried out, if not, 410 are entered step, report and alarm information, and terminate.
In the optical power to optical network unit controls, first to transmitting biggish first ONU of optical power under be transported to
Order is set, its transmitter optical power is reduced, if adjusted successfully, returns to step 402.If adjusting can not execute, such as
First ONU transmitter optical power has arrived at the lower limit value of the first ONU transmitter capabilities itself, can not further decrease, then right
Emit the lesser 2nd ONU distribution configuration command of optical power, increase its transmitter optical power, if it succeeds, returning to step
402.If it fails, the upper limit value that such as the 2nd ONU transmitter optical power has reached itself transmitter capabilities, then report an error,
Can terminate this optimization process, meanwhile, report corresponding warning information to network management platform, by system manager carry out into
One step investigation and solution.
After the transmitter optical power adjustment success of the first ONU or the 2nd ONU, 402 are entered step, circulation obtains all
The uplink optical power value of ONU has checked whether the case where optical power ratio is more than differential path loss threshold value, and has repeated above-mentioned step
Suddenly, judge maximum uplink optical power value in the uplink optical power value of whole ONU and minimum uplink optical power value ratio whether
Threshold value is lost greater than differential path, if it is, adjusting the first ONU corresponding to maximum uplink optical power value or minimum uplink linght
The transmitter optical power of 2nd ONU corresponding to performance number, if not, the optical power ratio between all ONU meets the requirements,
Then jumping out circulation terminates, and terminates this optimization process.
In one embodiment, using the light power control method of optical network unit in chain Optical Distribution Network of the invention
Examine the promotion effect that ONU number can be accommodated for PON system in chain networking structure.Network topology in referring to fig. 2, it is assumed that
The splitting ratio of non-equal part optical splitter is 1：9, preset system maximum differential path loss (differential path loss threshold value) is 15dB.
In the prior art, after the 33rd ONU is accessed, if not using control method of the invention, system maximum/most
Small ONU uplink linght power ratio can be more than 15dB, and system can not work normally.Using control method of the invention, when the 33rd
After ONU access, the smallest ONU of uplink optical power that OLT is received is the 33rd ONU, and prominent uplink linght is distance OLT
Nearest ONU.The light power control method of optical network unit in chain Optical Distribution Network according to the present invention, will distance OLT most
The uplink optical power adjustment of nearly ONU is 90% originally, at this point, the calculating step before repeating, available：
Calculated result is scaled as unit of dB, then calculated result is：10*log((0.033)-1)=14.7dB.
From the foregoing, it will be observed that using the light power control method of optical network unit in chain Optical Distribution Network of the invention, light point
Ratio in distribution network system between the uplink optical power maximum/minimum value of ONU is already less than 15dB, i.e. the 33rd ONU access
Afterwards, system also can work normally at this time.Similarly,
If there is more ONU access systems, control method of the invention can be used, the uplink optical power of ONU is carried out
Adjustment, can accommodate more ONU.
As shown in figure 5, the present invention provides a kind of uplink linght power control device 50, including：51 He of optical power detection module
Optical power adjustment module 52.The company of foundation under the passive optical network PON port of the acquisition optical line terminal OLT of optical power detection module 51
The uplink optical power value of the optical network unit ONU connect.Optical power adjustment module 52 judges the ratio of the uplink optical power value of two ONU
Whether value, which is greater than preset differential path, is lost threshold value, if it is, transmitter light of the optical power adjustment module 52 to two ONU
Power is adjusted, so that ratio is less than differential path and threshold value is lost.
When judgement meets detection trigger condition, connection is established under the port PON of the acquisition of optical power detection module 51 OLT
The uplink optical power value of whole ONU；Wherein, detection trigger condition includes：The port PON is sent, the bit error rate of reception data is more than
Preset threshold value establishes new ONU connection etc. under the port PON.
Optical power adjustment module 52 includes：Adjust determination unit 521 and adjustment execution unit 522.Adjust determination unit 521
Maximum uplink optical power value and minimum uplink optical power value are selected from the uplink optical power value of whole ONU.Adjust determination unit
521 determine ratio according to maximum uplink optical power value and minimum uplink optical power value, judge whether ratio is greater than differential path damage
Consume threshold value.
It adjusts execution unit 522 and sends configuration order to the first ONU corresponding to maximum uplink optical power value, to control
The transmitter optical power of first ONU reduces the first power adjustment.Adjustment execution unit 522 judges the transmitter light of the first ONU
Whether power adjusts success, if it is not, then adjustment execution unit 522 is sent out to the 2nd ONU corresponding to minimum uplink optical power value
Configuration order is sent, the transmitter optical power to control the 2nd ONU increases the second power adjustment.
Execution unit 522 is adjusted after the transmitter optical power adjustment success of the first ONU or the 2nd ONU, circulation obtains complete
The uplink optical power value of portion ONU.Adjustment determination unit 521 judges the maximum uplink linght function in the uplink optical power value of whole ONU
Whether the ratio of rate value and minimum uplink optical power value is greater than differential path loss threshold value.If whether ratio is greater than differential path
Threshold value is lost, then adjusts execution unit 522 and adjusts the first ONU corresponding to maximum uplink optical power value or minimum uplink optical power
The transmitter optical power of the 2nd corresponding ONU of value is jumped out circulation and is tied if ratio is less than differential path and threshold value is lost
Beam.
In one embodiment, the present invention provides a kind of optical line terminal OLT, fills including uplink optical power control as above
It sets.The present invention also provides a kind of optical network system, and including optical line terminal OLT as above, optical network system may include PON system
System etc..
Optical power control, device and the optical-fiber network of optical network unit in chain Optical Distribution Network provided by the above embodiment
System is compared, really by calculating the ratio of the uplink optical power of different ONU and threshold value being lost with preset differential path
Adjusting direction and the parameter for determining ONU uplink optical power, can satisfy the scene demand of chain networking, solve Optical Distribution Network system
System is lower to hang the limited problem of ONU number, ensure that the safe operation of existing network service, effectively increases the utilization of distribution network system
Rate has the feasibility of existing net application deployment.
Method and system of the invention may be achieved in many ways.For example, can by software, hardware, firmware or
Software, hardware, firmware any combination realize method and system of the invention.The said sequence of the step of for method is only
In order to be illustrated, the step of method of the invention, is not limited to sequence described in detail above, especially says unless otherwise
It is bright.In addition, in some embodiments, also the present invention can be embodied as to record program in the recording medium, these programs include
For realizing machine readable instructions according to the method for the present invention.Thus, the present invention also covers storage for executing according to this hair
The recording medium of the program of bright method.
Description of the invention is given for the purpose of illustration and description, and is not exhaustively or will be of the invention
It is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.It selects and retouches
It states embodiment and is to more preferably illustrate the principle of the present invention and practical application, and those skilled in the art is enable to manage
The solution present invention is to design various embodiments suitable for specific applications with various modifications.
Claims (12)
1. the light power control method of optical network unit in a kind of chain Optical Distribution Network, which is characterized in that including：
Obtain the uplink optical power that the optical network unit ONU of connection is established under the passive optical network PON port of optical line terminal OLT
Value；
Judge whether the ratio of the uplink optical power value of two ONU is greater than preset differential path loss threshold value；
If it is, the transmitter optical power to described two ONU is adjusted, so that the ratio is less than the differential path
Threshold value is lost.
2. the method as described in claim 1, which is characterized in that the passive optical network PON end for obtaining optical line terminal OLT
The uplink optical power value of optical network unit ONU for establishing connection under mouthful includes：
When judgement meets detection trigger condition, the uplink linght that whole ONU of connection are established under the port PON of the OLT is obtained
Performance number；
Wherein, the detection trigger condition includes：The bit error rate that the port PON sent and/or received data is more than preset
Threshold value, the event that new ONU connection is established under the port PON occur.
3. method according to claim 2, which is characterized in that the ratio of uplink optical power value of two ONU of the judgement is
It is no to include greater than preset differential path loss threshold value：
Maximum uplink optical power value and minimum uplink optical power value are selected from the uplink optical power value of the whole ONU；
The ratio is determined according to the maximum uplink optical power value and the minimum uplink optical power value；
Judge whether the ratio is greater than the differential path loss threshold value.
4. method as claimed in claim 3, which is characterized in that the transmitter optical power to described two ONU is adjusted
It is whole to include：
Configuration order is sent to the first ONU corresponding to the maximum uplink optical power value, to control the hair of the first ONU
Penetrating machine optical power reduces the first power adjustment；
Judge whether the transmitter optical power of the first ONU adjusts success, if it is not, then to the minimum uplink optical power value
The 2nd corresponding ONU sends configuration order, and the transmitter optical power to control the 2nd ONU increases the second power adjustment
Value.
5. method as claimed in claim 4, which is characterized in that further include：
After the transmitter optical power adjustment success of 2nd ONU of the first ONU or described, circulation obtains the whole ONU's
Uplink optical power value, and judge the maximum uplink optical power value in the uplink optical power value of the whole ONU and minimum uplink linght
Whether the ratio of performance number is greater than the differential path loss threshold value；
If it is, the first ONU or described minimum uplink optical power value institute corresponding to the adjustment maximum uplink optical power value
The transmitter optical power of corresponding 2nd ONU, if it is not, then terminating the circulation.
6. the optical power control device of optical network unit in a kind of chain Optical Distribution Network, which is characterized in that including：
Optical power detection module establishes the optical-fiber network of connection under the passive optical network PON port for obtaining optical line terminal OLT
The uplink optical power value of unit ONU；
Optical power adjustment module, for judging whether the ratio of uplink optical power value of two ONU is greater than preset differential path
Threshold value is lost, if it is, the transmitter optical power to described two ONU is adjusted, so that the ratio is less than the difference
Threshold value is lost in sub-path.
7. device as claimed in claim 6, which is characterized in that
The optical power detection module is also used to when judgement meets detection trigger condition, under the port PON for obtaining the OLT
Establish the uplink optical power value of whole ONU of connection；Wherein, the detection trigger condition includes：The port PON send and/
Or the event that the bit error rate of reception data establishes new ONU connection more than preset threshold value, under the port PON occurs.
8. device as claimed in claim 7, which is characterized in that
The optical power adjustment module, including：
Determination unit is adjusted, for selecting maximum uplink optical power value and minimum from the uplink optical power value of the whole ONU
Uplink optical power value；The ratio is determined according to the maximum uplink optical power value and the minimum uplink optical power value；Judgement
Whether the ratio is greater than the differential path loss threshold value.
9. device as claimed in claim 8, which is characterized in that
The optical power adjustment module, including：
Execution unit is adjusted, for sending configuration order to the first ONU corresponding to the maximum uplink optical power value, to control
The transmitter optical power for making the first ONU reduces the first power adjustment；Judging the transmitter optical power of the first ONU is
It is no to adjust successfully, if it is not, then configuration order is sent to the 2nd ONU corresponding to the minimum uplink optical power value, to control
The transmitter optical power for making the 2nd ONU increases the second power adjustment.
10. device as claimed in claim 9, which is characterized in that
The adjustment execution unit is also used to the transmitter optical power adjustment success in 2nd ONU of the first ONU or described
Afterwards, circulation obtains the uplink optical power value of the whole ONU；
The adjustment determination unit, maximum uplink optical power value in uplink optical power value for judging the whole ONU and
Whether the ratio of minimum uplink optical power value is greater than the differential path loss threshold value；
The adjustment execution unit adjusts institute if being also used to whether the ratio is greater than the differential path loss threshold value
State the transmitting of the 2nd ONU corresponding to the minimum uplink optical power value of the first ONU or described corresponding to maximum uplink optical power value
Machine optical power, if it is not, then terminating the circulation.
11. a kind of optical line terminal OLT, which is characterized in that
Optical power control dress including optical network unit in the described in any item chain Optical Distribution Networks of such as claim 6 to 10
It sets.
12. a kind of optical network system, which is characterized in that
Including optical line terminal OLT as claimed in claim 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710387200.0A CN108933631B (en) | 2017-05-27 | 2017-05-27 | Optical power control method and device of optical network unit and optical network system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710387200.0A CN108933631B (en) | 2017-05-27 | 2017-05-27 | Optical power control method and device of optical network unit and optical network system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108933631A true CN108933631A (en) | 2018-12-04 |
| CN108933631B CN108933631B (en) | 2020-04-03 |
Family
ID=64451607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710387200.0A Active CN108933631B (en) | 2017-05-27 | 2017-05-27 | Optical power control method and device of optical network unit and optical network system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108933631B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110401885A (en) * | 2019-08-19 | 2019-11-01 | 深圳市双翼科技股份有限公司 | A kind of optical power control system in PON communication |
| CN112217575A (en) * | 2019-07-12 | 2021-01-12 | 科大国盾量子技术股份有限公司 | Method and system for calibrating light intensity ratio of decoy state optical signal and signal state optical signal |
| CN112217569A (en) * | 2020-09-27 | 2021-01-12 | 武汉光迅科技股份有限公司 | Power regulation method, device and storage medium |
| CN113055092A (en) * | 2021-03-17 | 2021-06-29 | 卡斯柯信号有限公司 | Equipment and method for improving communication transmission safety of existing signal equipment |
| WO2023125509A1 (en) * | 2021-12-29 | 2023-07-06 | 华为技术有限公司 | Control method and apparatus, chip, optical line termination and passive optical network |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1953354A (en) * | 2006-06-28 | 2007-04-25 | 北京邮电大学 | Transmission management system for traffic information by passive optical network of linear topology |
| WO2008038981A1 (en) * | 2006-09-29 | 2008-04-03 | Electronics And Telecommunications Research Institute | Automatic optical power control method for olt in pon |
| CN101615956A (en) * | 2008-06-28 | 2009-12-30 | 华为技术有限公司 | The method and system of a kind of ONU and optical power adjustment |
| CN103701116A (en) * | 2013-12-11 | 2014-04-02 | 云南电力试验研究院（集团）有限公司电力研究院 | Novel intelligent electric quantity balance method adopting power real-time operation |
| CN104683022A (en) * | 2013-12-02 | 2015-06-03 | 中国移动通信集团公司 | Method for regulating emitting light power in PON (Passive Optical Network), OLT (Optical Line Terminal) and system |
-
2017
- 2017-05-27 CN CN201710387200.0A patent/CN108933631B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1953354A (en) * | 2006-06-28 | 2007-04-25 | 北京邮电大学 | Transmission management system for traffic information by passive optical network of linear topology |
| WO2008038981A1 (en) * | 2006-09-29 | 2008-04-03 | Electronics And Telecommunications Research Institute | Automatic optical power control method for olt in pon |
| CN101615956A (en) * | 2008-06-28 | 2009-12-30 | 华为技术有限公司 | The method and system of a kind of ONU and optical power adjustment |
| CN104683022A (en) * | 2013-12-02 | 2015-06-03 | 中国移动通信集团公司 | Method for regulating emitting light power in PON (Passive Optical Network), OLT (Optical Line Terminal) and system |
| CN103701116A (en) * | 2013-12-11 | 2014-04-02 | 云南电力试验研究院（集团）有限公司电力研究院 | Novel intelligent electric quantity balance method adopting power real-time operation |
Non-Patent Citations (1)
| Title |
|---|
| 周煜: "采用GPON接入的交通信息传输管理系统", 《中国优秀硕士学位论文全文数据库》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112217575A (en) * | 2019-07-12 | 2021-01-12 | 科大国盾量子技术股份有限公司 | Method and system for calibrating light intensity ratio of decoy state optical signal and signal state optical signal |
| CN112217575B (en) * | 2019-07-12 | 2022-02-11 | 科大国盾量子技术股份有限公司 | Method and system for calibrating light intensity ratio of decoy state optical signal and signal state optical signal |
| CN110401885A (en) * | 2019-08-19 | 2019-11-01 | 深圳市双翼科技股份有限公司 | A kind of optical power control system in PON communication |
| CN112217569A (en) * | 2020-09-27 | 2021-01-12 | 武汉光迅科技股份有限公司 | Power regulation method, device and storage medium |
| CN112217569B (en) * | 2020-09-27 | 2021-11-16 | 武汉光迅科技股份有限公司 | Power regulation method, device and storage medium |
| CN113055092A (en) * | 2021-03-17 | 2021-06-29 | 卡斯柯信号有限公司 | Equipment and method for improving communication transmission safety of existing signal equipment |
| CN113055092B (en) * | 2021-03-17 | 2022-07-12 | 卡斯柯信号有限公司 | Equipment and method for improving communication transmission safety of existing signal equipment |
| WO2023125509A1 (en) * | 2021-12-29 | 2023-07-06 | 华为技术有限公司 | Control method and apparatus, chip, optical line termination and passive optical network |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108933631B (en) | 2020-04-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108933631A (en) | Light power control method, device and the optical network system of optical network unit | |
| CN106301837B (en) | Passive optical network alarm detection method and device | |
| CN101247182B (en) | Power control method of passive optical network | |
| US8331237B2 (en) | Supervisory control method and supervisory control device | |
| CN105659512B (en) | Optical communication system and optic communication abnormal restoring method | |
| US20060268759A1 (en) | Optical line terminal that detects and identifies a rogue ONT | |
| US9225607B2 (en) | Network system and topology map generating method | |
| CN104683022B (en) | Transmitting optical power adjusting adjusting method and optical line terminal, system in EPON | |
| KR20150119382A (en) | Optical path processing method and apparatus | |
| CN104811243B (en) | Long luminous detection method and device | |
| CN108270749A (en) | A kind of register method and system of virtual optical network unit | |
| CN105992307A (en) | Wireless sensor network and association request transmission method | |
| CN103023815A (en) | Aggregation link load sharing method and device | |
| CN101729938B (en) | Method, device and system for eliminating interference in passive optical network system | |
| CN110324190B (en) | Network planning method and device | |
| CN103701519A (en) | Active/standby judging method for passive optical network | |
| US10320513B2 (en) | Distributed automatic power optimization system and method | |
| CN107689840B (en) | A kind of control method and optical module, optical network unit of optical module in optical network | |
| CN102223185A (en) | Method and system for determining topology structure of passive optical network | |
| JP6438362B2 (en) | Station-side terminator and communication control method | |
| CN112218180B (en) | Method, apparatus, storage medium, and program product for detecting status of optical fiber | |
| EP4319185A1 (en) | Link status measurement method and apparatus, system, and storage medium | |
| CN116887083B (en) | Wavelength selection method and device, optical Network Unit (ONU) and electronic equipment | |
| EP4325740A1 (en) | Method, apparatus, and system applied to pon system, and storage medium | |
| CN113938769B (en) | Power adjustment method, device and storage medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |