CN103166810A - Method and system for updating maximum signal to noise ratio allowance dynamically - Google Patents
Method and system for updating maximum signal to noise ratio allowance dynamically Download PDFInfo
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- CN103166810A CN103166810A CN201110421724XA CN201110421724A CN103166810A CN 103166810 A CN103166810 A CN 103166810A CN 201110421724X A CN201110421724X A CN 201110421724XA CN 201110421724 A CN201110421724 A CN 201110421724A CN 103166810 A CN103166810 A CN 103166810A
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Abstract
The invention discloses a method and a system for updating a maximum signal to noise ratio allowance dynamically. According to the method for updating the maximum signal to noise ratio allowance dynamically, an average packet loss probability of each line in preset time range is calculated; for each line, when the average packet loss probability of the line is larger than a packet loss probability threshold value, the current maximum signal to noise ratio allowance of a corresponding port of the line and a first preset value are added and used as the current maximum signal to noise ratio allowance of the corresponding port of the line; otherwise, the current maximum signal to noise ratio allowance of the corresponding port of the line minus a second preset value is used as the current maximum signal to noise ratio allowance of the corresponding port of the line; the current maximum signal to noise ratio allowance of the corresponding port of each line is sent to the corresponding port of each line; and the maximum signal to noise ratio allowance received by the corresponding port of each line is utilized for updating the current maximum signal to noise ratio allowance. Thus, the maximum signal to noise ratio allowance of a port of a network access facility can be updated dynamically, and expense of the network access facility can be saved.
Description
Technical field
The present invention relates to the communications field, particularly relate to the method and system that dynamically updates the maximum signal to noise ratio allowance.
Background technology
The port of network access equipment utilizes the parameter of consulting with user terminal and the parameter of port self configuration when activating the service to such as the user terminal signal transmission of modulator-demodulator (MODEM) time, calculates the transmitted power that transmits data.This transmitting power has comprised two parts, and a part is actual bearer business power demand, and another part is margin of power, is used for the antagonism transmission and disturbs.Wherein, the size of margin of power part depends primarily on the size of the maximum signal to noise ratio allowance (MAX SNRM) in the port arrangement parameter.At present, network access equipment port maximum signal to noise ratio allowance parameter is all given tacit consent to by maximum (31dB) and is configured.
The quality that there is no at present specialist tools detection line transmission environment, when activating the service the configured port parameter, the configuration of maximum signal to noise ratio allowance value lacks foundation.evolution along with light entering and copper back, namely with optical fiber access (Fiber To The x, be called for short: FTTx) the same ADSL (Asymmetric Digital Subscriber Line) of technology (Asymmetric Digital Subscriber Line, be called for short: ADSL) technology combines, replace copper cash with optical fiber, shorten as far as possible ADSL local side access device with the distance of this section of user terminal copper cash so that the high bandwidth access to be provided, broadband access transmission line environment is become better and better, quite most of circuit does not need to reserve too much jamproof margin of power, therefore by the maximum configured port maximum signal to noise ratio allowance of giving tacit consent to, can cause the expense of network access equipment to increase.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of method and system that dynamically updates the maximum signal to noise ratio allowance, thereby the transmission environment according to every the circuit that is connected with the network access equipment port, dynamically update the maximum signal to noise ratio allowance of network access equipment port, thereby do not affecting under service conditions, saving the expense of network access equipment.
According to an aspect of the present invention, provide a kind of method that dynamically updates the maximum signal to noise ratio allowance, having comprised:
Detect the packet loss of every circuit with predetermined time interval, wherein every circuit is corresponding with a network access equipment port respectively;
Calculate the average packet loss ratio of every circuit in scheduled time scope;
For every circuit, judge that whether the average packet loss ratio of circuit is greater than the packet loss threshold value;
If the average packet loss ratio of circuit is greater than the packet loss threshold value, with the current maximum signal to noise ratio allowance of circuit corresponding ports with the first predetermined value addition, and will obtain and as the current maximum signal to noise ratio allowance of circuit corresponding ports;
If the average packet loss ratio of circuit is not more than the packet loss threshold value, the current maximum signal to noise ratio allowance with the circuit corresponding ports deducts the second predetermined value, and the difference that will obtain is as the current maximum signal to noise ratio allowance of circuit corresponding ports;
The current maximum signal to noise ratio allowance of every circuit corresponding ports is sent to every port that circuit is corresponding;
Every maximum signal to noise ratio allowance that port utilization corresponding to circuit receives is upgraded current maximum signal to noise ratio allowance.
According to an aspect of the present invention, provide a kind of maximum signal to noise ratio allowance to dynamically update device, comprised detecting unit, computing unit, the first recognition unit, raise the unit, lower unit, transmitting element, wherein:
Detecting unit is used for the packet loss with every circuit of predetermined time interval detection, and wherein every circuit is corresponding with a network access equipment port respectively;
Computing unit is for the average packet loss ratio of calculating every circuit in scheduled time scope;
The first recognition unit is used for for every circuit, judges that whether the average packet loss ratio of circuit is greater than the packet loss threshold value;
Raise the unit, be used for the judged result according to the first recognition unit, if the average packet loss ratio of circuit is greater than the packet loss threshold value, with the current maximum signal to noise ratio allowance of circuit corresponding ports with the first predetermined value addition, with obtain and as the current maximum signal to noise ratio allowance of circuit corresponding ports;
Lower the unit, be used for the judged result according to the first recognition unit, if the average packet loss ratio of circuit is not more than the packet loss threshold value, the current maximum signal to noise ratio allowance with the circuit corresponding ports deducts the second predetermined value, with the difference that the obtains current maximum signal to noise ratio allowance as the circuit corresponding ports;
Transmitting element is used for the current maximum signal to noise ratio allowance of every circuit corresponding ports is sent to every port that circuit is corresponding.
According to an aspect of the present invention, provide a kind of system that dynamically updates the maximum signal to noise ratio allowance, comprised and detect server, a plurality of network access equipment port, detected server and comprise that the maximum signal to noise ratio allowance dynamically updates device, wherein:
The maximum signal to noise ratio allowance dynamically updates device, is used for detecting with predetermined time interval the packet loss of every circuit, and wherein every circuit is corresponding with a network access equipment port respectively; Calculate the average packet loss ratio of every circuit in scheduled time scope; For every circuit, judge that whether the average packet loss ratio of circuit is greater than the packet loss threshold value; If the average packet loss ratio of circuit is greater than the packet loss threshold value, with the current maximum signal to noise ratio allowance of circuit corresponding ports with the first predetermined value addition, and will obtain and as the current maximum signal to noise ratio allowance of circuit corresponding ports; If the average packet loss ratio of circuit is not more than the packet loss threshold value, the current maximum signal to noise ratio allowance with the circuit corresponding ports deducts the second predetermined value, and the difference that will obtain is as the current maximum signal to noise ratio allowance of circuit corresponding ports; The current maximum signal to noise ratio allowance of every circuit corresponding ports is sent to every port that circuit is corresponding;
Described port is used for utilizing the maximum signal to noise ratio allowance that receives, and upgrades current maximum signal to noise ratio allowance.
The present invention is by detecting the packet loss of every circuit with predetermined time interval, wherein every circuit is corresponding with a network access equipment port respectively; Calculate the average packet loss ratio of every circuit in scheduled time scope; For every circuit, judge that whether the average packet loss ratio of circuit is greater than the packet loss threshold value; If the average packet loss ratio of circuit is greater than the packet loss threshold value, with the current maximum signal to noise ratio allowance of circuit corresponding ports with the first predetermined value addition, and will obtain and as the current maximum signal to noise ratio allowance of circuit corresponding ports; If the average packet loss ratio of circuit is not more than the packet loss threshold value, the current maximum signal to noise ratio allowance with the circuit corresponding ports deducts the second predetermined value, and the difference that will obtain is as the current maximum signal to noise ratio allowance of circuit corresponding ports; The current maximum signal to noise ratio allowance of every circuit corresponding ports is sent to every port that circuit is corresponding; Every maximum signal to noise ratio allowance that port utilization corresponding to circuit receives is upgraded current maximum signal to noise ratio allowance.Thereby according to the transmission environment of every the circuit that is connected with the network access equipment port, dynamically update the maximum signal to noise ratio allowance of network access equipment port, thereby do not affecting under service conditions, save the expense of network access equipment.
Description of drawings
Fig. 1 is the schematic diagram that the present invention dynamically updates an embodiment of maximum signal to noise ratio allowance method.
Fig. 2 is the schematic diagram that the present invention dynamically updates another embodiment of maximum signal to noise ratio allowance method.
Fig. 3 is the schematic diagram that maximum signal to noise ratio allowance of the present invention dynamically updates an embodiment of device.
Fig. 4 is the schematic diagram that maximum signal to noise ratio allowance of the present invention dynamically updates another embodiment of device.
Fig. 5 is the schematic diagram that the present invention dynamically updates a maximum signal to noise ratio allowance embodiment of system.
Embodiment
With reference to the accompanying drawings the present invention is described more fully, exemplary embodiment of the present invention wherein is described.
Fig. 1 is the schematic diagram that the present invention dynamically updates an embodiment of maximum signal to noise ratio allowance method.As shown in Figure 1, this embodiment to dynamically update maximum signal to noise ratio allowance method as follows:
Based on the maximum signal to noise ratio allowance method that dynamically updates that the above embodiment of the present invention provides, by detect the packet loss of every circuit with predetermined time interval, wherein every circuit is corresponding with a network access equipment port respectively; Calculate the average packet loss ratio of every circuit in scheduled time scope; For every circuit, judge that whether the average packet loss ratio of circuit is greater than the packet loss threshold value; If the average packet loss ratio of circuit is greater than the packet loss threshold value, with the current maximum signal to noise ratio allowance of circuit corresponding ports with the first predetermined value addition, and will obtain and as the current maximum signal to noise ratio allowance of circuit corresponding ports; If the average packet loss ratio of circuit is not more than the packet loss threshold value, the current maximum signal to noise ratio allowance with the circuit corresponding ports deducts the second predetermined value, and the difference that will obtain is as the current maximum signal to noise ratio allowance of circuit corresponding ports; The current maximum signal to noise ratio allowance of every circuit corresponding ports is sent to every port that circuit is corresponding; Every maximum signal to noise ratio allowance that port utilization corresponding to circuit receives is upgraded current maximum signal to noise ratio allowance.Thereby according to the transmission environment of every the circuit that is connected with the network access equipment port, dynamically update the maximum signal to noise ratio allowance of network access equipment port, thereby do not affecting under service conditions, save the expense of network access equipment.
Fig. 2 is the schematic diagram that the present invention dynamically updates another embodiment of maximum signal to noise ratio allowance method.As shown in Figure 2, this embodiment to dynamically update maximum signal to noise ratio allowance method as follows:
Another specific embodiment according to the present invention, scheduled time scope are 24 hours.
Another specific embodiment according to the present invention, packet loss threshold value are 0.0001.
Another specific embodiment according to the present invention, the span of the first predetermined value is 5-7dB.
Whether step 205 is that judgement obtains and less than raising thresholding.If that obtain and less than raising thresholding, execution in step 206; If that obtain and be not less than rise thresholding, execution in step 207.
Another specific embodiment according to the present invention, the rise thresholding is 31dB.
Another specific embodiment according to the present invention, the span of the second predetermined value is 5-7dB.
Another specific embodiment according to the present invention, the downward thresholding is 3dB.
In the present embodiment, raise thresholding and lower thresholding by arranging, the maximum signal to noise ratio allowance can be controlled in a suitable scope, thereby can not cause negative effect to systematic function.
The below specifically tests, and setting tool has the network access equipment unification of 30 ports to be configured to the downstream rate of 4M, and the copper cash distance between network access equipment and user terminal is 1000 meters.In the situation that the maximum signal to noise ratio allowance is default configuration 31dB, the power of network access equipment is 43.2W.After implementing the embodiment of the present invention, the maximum signal to noise ratio allowance can be controlled near 26dB, the power of network access equipment is 37.2W in this case, save power 6W, energy-conservation ratio is 13.9%, and average every port is saved 0.2W, and the energy-conservation ratio of every port is 22.1%.
Fig. 3 is the schematic diagram that maximum signal to noise ratio allowance of the present invention dynamically updates an embodiment of device.As shown in Figure 3, the maximum signal to noise ratio allowance dynamically updates device and comprises detecting unit 301, computing unit 302, the first recognition unit 303, raises unit 304, lowers unit 305, transmitting element 306, wherein:
Detecting unit 301 is used for the packet loss with every circuit of predetermined time interval detection, and wherein every circuit is corresponding with a network access equipment port respectively.
Another specific embodiment according to the present invention, scheduled time scope are 24 hours.
The first recognition unit 303 is used for for every circuit, judges that whether the average packet loss ratio of circuit is greater than the packet loss threshold value.
Another specific embodiment according to the present invention, packet loss threshold value are 0.0001.
Another specific embodiment according to the present invention, the span of the first predetermined value is 5-7dB.
Another specific embodiment according to the present invention, the span of the second predetermined value is 5-7dB.
Transmitting element 306 is used for the current maximum signal to noise ratio allowance of every circuit corresponding ports is sent to every port that circuit is corresponding.
The maximum signal to noise ratio allowance that provides based on the above embodiment of the present invention dynamically updates device, and by detect the packet loss of every circuit with predetermined time interval, wherein every circuit is corresponding with a network access equipment port respectively; Calculate the average packet loss ratio of every circuit in scheduled time scope; For every circuit, judge that whether the average packet loss ratio of circuit is greater than the packet loss threshold value; If the average packet loss ratio of circuit is greater than the packet loss threshold value, with the current maximum signal to noise ratio allowance of circuit corresponding ports with the first predetermined value addition, and will obtain and as the current maximum signal to noise ratio allowance of circuit corresponding ports; If the average packet loss ratio of circuit is not more than the packet loss threshold value, the current maximum signal to noise ratio allowance with the circuit corresponding ports deducts the second predetermined value, and the difference that will obtain is as the current maximum signal to noise ratio allowance of circuit corresponding ports; The current maximum signal to noise ratio allowance of every circuit corresponding ports is sent to every port that circuit is corresponding.Thereby according to the transmission environment of every the circuit that is connected with the network access equipment port, dynamically update the maximum signal to noise ratio allowance of network access equipment port, thereby do not affecting under service conditions, save the expense of network access equipment.
Fig. 4 is the schematic diagram that maximum signal to noise ratio allowance of the present invention dynamically updates another embodiment of device.Compare with Fig. 3, in Fig. 4, raise unit 304 and also comprise sum unit 401, the second recognition unit 402, the first setting unit 403, lower unit 305 and also comprise and ask poor unit 411, the 3rd recognition unit 412, the second setting unit 413, wherein:
Sum unit 401 is used for the judged result according to the first recognition unit 303, if the average packet loss ratio of circuit is greater than the packet loss threshold value, with same the first predetermined value addition of the current maximum signal to noise ratio allowance of circuit corresponding ports.
Another specific embodiment according to the present invention, packet loss threshold value are 0.0001.
The second recognition unit 402 is used for judge that sum unit 401 is that obtain and whether less than the rise thresholding.
Another specific embodiment according to the present invention, the rise thresholding is 31dB.
The first setting unit 403 is used for the judged result according to the second recognition unit 402, if that obtain and less than raising thresholding, will obtain and as the current maximum signal to noise ratio allowance of circuit corresponding ports.
Ask poor unit 411, be used for the judged result according to the first recognition unit 303, if the average packet loss ratio of circuit is not more than the packet loss threshold value, the current maximum signal to noise ratio allowance with the circuit corresponding ports deducts the second predetermined value.
Whether the 3rd recognition unit 412 is used for judgement and asks difference that poor unit 411 obtains greater than lowering thresholding.
Another specific embodiment according to the present invention, the downward thresholding is 3dB.
The second setting unit 413 is used for the judged result according to the 3rd recognition unit 412, if the difference that obtains greater than lowering thresholding, the difference that will obtain is as the current maximum signal to noise ratio allowance of circuit corresponding ports.
Another specific embodiment according to the present invention, the first setting unit 403 also be used for obtain and be not less than when raising thresholding, will raise thresholding as the current maximum signal to noise ratio allowance of circuit corresponding ports.
The second setting unit 413 also is used for when the difference that obtains is not more than the downward thresholding, will lower thresholding as the current maximum signal to noise ratio allowance of circuit corresponding ports.
Fig. 5 the present invention dynamically updates the schematic diagram of a maximum signal to noise ratio allowance embodiment of system.In Fig. 5, the system that dynamically updates the maximum signal to noise ratio allowance comprises: detect server 501, a plurality of network access equipment port 502, detect server and comprise that the maximum signal to noise ratio allowance dynamically updates device 511, wherein:
The maximum signal to noise ratio allowance dynamically updates device 511, is used for detecting with predetermined time interval the packet loss of every circuit, and wherein every circuit is corresponding with a network access equipment port respectively; Calculate the average packet loss ratio of every circuit in scheduled time scope; For every circuit, judge that whether the average packet loss ratio of circuit is greater than the packet loss threshold value; If the average packet loss ratio of circuit is greater than the packet loss threshold value, with the current maximum signal to noise ratio allowance of circuit corresponding ports with the first predetermined value addition, and will obtain and as the current maximum signal to noise ratio allowance of circuit corresponding ports; If the average packet loss ratio of circuit is not more than the packet loss threshold value, the current maximum signal to noise ratio allowance with the circuit corresponding ports deducts the second predetermined value, and the difference that will obtain is as the current maximum signal to noise ratio allowance of circuit corresponding ports; The current maximum signal to noise ratio allowance of every circuit corresponding ports is sent to every port 502 that circuit is corresponding;
Described port 502 is used for utilizing the maximum signal to noise ratio allowance that receives, and upgrades current maximum signal to noise ratio allowance.
Based on the maximum signal to noise ratio allowance system of dynamically updating that the above embodiment of the present invention provides, by detect the packet loss of every circuit with predetermined time interval, wherein every circuit is corresponding with a network access equipment port respectively; Calculate the average packet loss ratio of every circuit in scheduled time scope; For every circuit, judge that whether the average packet loss ratio of circuit is greater than the packet loss threshold value; If the average packet loss ratio of circuit is greater than the packet loss threshold value, with the current maximum signal to noise ratio allowance of circuit corresponding ports with the first predetermined value addition, and will obtain and as the current maximum signal to noise ratio allowance of circuit corresponding ports; If the average packet loss ratio of circuit is not more than the packet loss threshold value, the current maximum signal to noise ratio allowance with the circuit corresponding ports deducts the second predetermined value, and the difference that will obtain is as the current maximum signal to noise ratio allowance of circuit corresponding ports; The current maximum signal to noise ratio allowance of every circuit corresponding ports is sent to every port that circuit is corresponding; Every maximum signal to noise ratio allowance that port utilization corresponding to circuit receives is upgraded current maximum signal to noise ratio allowance.Thereby according to the transmission environment of every the circuit that is connected with the network access equipment port, dynamically update the maximum signal to noise ratio allowance of network access equipment port, thereby do not affecting under service conditions, save the expense of network access equipment.
Another specific embodiment according to the present invention, maximum signal to noise ratio allowance dynamically update device 511 and specifically detect the packet loss of every circuit by NM server.
Another specific embodiment according to the present invention, maximum signal to noise ratio allowance dynamically update device 511 and dynamically update device for the arbitrary maximum signal to noise ratio allowance in Fig. 3-embodiment illustrated in fig. 4.
Description of the invention provides for example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present invention and practical application, thereby and makes those of ordinary skill in the art can understand the various embodiment with various modifications that the present invention's design is suitable for special-purpose.
Claims (13)
1. a method that dynamically updates the maximum signal to noise ratio allowance, is characterized in that, comprising:
Detect the packet loss of every circuit with predetermined time interval, wherein every circuit is corresponding with a network access equipment port respectively;
Calculate the average packet loss ratio of every circuit in scheduled time scope;
For every circuit, judge that whether the average packet loss ratio of circuit is greater than the packet loss threshold value;
If the average packet loss ratio of circuit is greater than the packet loss threshold value, with the current maximum signal to noise ratio allowance of circuit corresponding ports with the first predetermined value addition, and will obtain and as the current maximum signal to noise ratio allowance of circuit corresponding ports;
If the average packet loss ratio of circuit is not more than the packet loss threshold value, the current maximum signal to noise ratio allowance with the circuit corresponding ports deducts the second predetermined value, and the difference that will obtain is as the current maximum signal to noise ratio allowance of circuit corresponding ports;
The current maximum signal to noise ratio allowance of every circuit corresponding ports is sent to every port that circuit is corresponding;
Every maximum signal to noise ratio allowance that port utilization corresponding to circuit receives is upgraded current maximum signal to noise ratio allowance.
2. method according to claim 1, is characterized in that,
Described that will obtain and comprise as the current maximum signal to noise ratio allowance of circuit corresponding ports:
That judgement obtains and whether less than raising thresholding;
If that obtain and less than raising thresholding, will obtain and as the current maximum signal to noise ratio allowance of circuit corresponding ports;
The described difference that will obtain comprises as the current maximum signal to noise ratio allowance of circuit corresponding ports:
Whether the difference that judgement obtains is greater than lowering thresholding;
If the difference that obtains is greater than lowering thresholding, the difference that will obtain is as the current maximum signal to noise ratio allowance of circuit corresponding ports.
3. method according to claim 2, is characterized in that,
If obtain and be not less than the rise thresholding, will raise thresholding as the current maximum signal to noise ratio allowance of circuit corresponding ports;
If the difference that obtains is not more than the downward thresholding, will lower thresholding as the current maximum signal to noise ratio allowance of circuit corresponding ports.
4. the described method of any one according to claim 1-3, is characterized in that,
The packet loss threshold value is that the span of 0.0001, the first predetermined value and the second predetermined value is 5-7dB.
5. according to claim 2 or 3 described methods, is characterized in that,
The rise thresholding is 31dB, and the downward thresholding is 3dB.
6. a maximum signal to noise ratio allowance dynamically updates device, it is characterized in that, and comprise detecting unit, computing unit, the first recognition unit, raise the unit, lower unit, transmitting element, wherein:
Detecting unit is used for the packet loss with every circuit of predetermined time interval detection, and wherein every circuit is corresponding with a network access equipment port respectively;
Computing unit is for the average packet loss ratio of calculating every circuit in scheduled time scope;
The first recognition unit is used for for every circuit, judges that whether the average packet loss ratio of circuit is greater than the packet loss threshold value;
Raise the unit, be used for the judged result according to the first recognition unit, if the average packet loss ratio of circuit is greater than the packet loss threshold value, with the current maximum signal to noise ratio allowance of circuit corresponding ports with the first predetermined value addition, with obtain and as the current maximum signal to noise ratio allowance of circuit corresponding ports;
Lower the unit, be used for the judged result according to the first recognition unit, if the average packet loss ratio of circuit is not more than the packet loss threshold value, the current maximum signal to noise ratio allowance with the circuit corresponding ports deducts the second predetermined value, with the difference that the obtains current maximum signal to noise ratio allowance as the circuit corresponding ports;
Transmitting element is used for the current maximum signal to noise ratio allowance of every circuit corresponding ports is sent to every port that circuit is corresponding.
7. device according to claim 6, is characterized in that, raises the unit and also comprise sum unit, the second recognition unit, the first setting unit, lower the unit and also comprise and ask poor unit, the 3rd recognition unit, the second setting unit, wherein:
Sum unit is used for the judged result according to the first recognition unit, if the average packet loss ratio of circuit is greater than the packet loss threshold value, with same the first predetermined value addition of the current maximum signal to noise ratio allowance of circuit corresponding ports;
Whether the second recognition unit is used for judge that sum unit obtains and less than the rise thresholding;
The first setting unit is used for the judged result according to the second recognition unit, if that obtain and less than raising thresholding, will obtain and as the current maximum signal to noise ratio allowance of circuit corresponding ports;
Ask poor unit, be used for the judged result according to the first recognition unit, if the average packet loss ratio of circuit is not more than the packet loss threshold value, the current maximum signal to noise ratio allowance with the circuit corresponding ports deducts the second predetermined value;
Whether the 3rd recognition unit is used for judgement and asks difference that poor unit obtains greater than lowering thresholding;
The second setting unit is used for the judged result according to the 3rd recognition unit, if the difference that obtains greater than lowering thresholding, the difference that will obtain is as the current maximum signal to noise ratio allowance of circuit corresponding ports.
8. device according to claim 7, is characterized in that,
The first setting unit also be used for obtain and be not less than when raising thresholding, will raise thresholding as the current maximum signal to noise ratio allowance of circuit corresponding ports;
The second setting unit also is used for when the difference that obtains is not more than the downward thresholding, will lower thresholding as the current maximum signal to noise ratio allowance of circuit corresponding ports.
9. the described device of any one according to claim 6-8, is characterized in that,
The packet loss threshold value is that the span of 0.0001, the first predetermined value and the second predetermined value is 5-7dB.
10. according to claim 7 or 8 described devices, is characterized in that,
The rise thresholding is 31dB, and the downward thresholding is 3dB.
11. a system that dynamically updates the maximum signal to noise ratio allowance is characterized in that, comprises detecting server, a plurality of network access equipment port, detect server and comprise that the maximum signal to noise ratio allowance dynamically updates device, wherein:
The maximum signal to noise ratio allowance dynamically updates device, is used for detecting with predetermined time interval the packet loss of every circuit, and wherein every circuit is corresponding with a network access equipment port respectively; Calculate the average packet loss ratio of every circuit in scheduled time scope; For every circuit, judge that whether the average packet loss ratio of circuit is greater than the packet loss threshold value; If the average packet loss ratio of circuit is greater than the packet loss threshold value, with the current maximum signal to noise ratio allowance of circuit corresponding ports with the first predetermined value addition, and will obtain and as the current maximum signal to noise ratio allowance of circuit corresponding ports; If the average packet loss ratio of circuit is not more than the packet loss threshold value, the current maximum signal to noise ratio allowance with the circuit corresponding ports deducts the second predetermined value, and the difference that will obtain is as the current maximum signal to noise ratio allowance of circuit corresponding ports; The current maximum signal to noise ratio allowance of every circuit corresponding ports is sent to every port that circuit is corresponding;
Described port is used for utilizing the maximum signal to noise ratio allowance that receives, and upgrades current maximum signal to noise ratio allowance.
12. system according to claim 11 is characterized in that, the maximum signal to noise ratio allowance dynamically updates device and specifically detects the packet loss of every circuit by NM server.
13. according to claim 11 or 12 described systems is characterized in that, it is that in claim 6-10, the described maximum signal to noise ratio allowance of any one dynamically updates device that the maximum signal to noise ratio allowance dynamically updates device.
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| CN1866999A (en) * | 2005-11-08 | 2006-11-22 | 华为技术有限公司 | Seamless sending power adjusting method and system |
| CN101610102A (en) * | 2008-06-18 | 2009-12-23 | 华为技术有限公司 | A kind of mthods, systems and devices of optimizing power |
| US7876697B2 (en) * | 2006-10-26 | 2011-01-25 | General Instrument Corporation | Method and apparatus for characterizing modulation schemes in an HFC network |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1866999A (en) * | 2005-11-08 | 2006-11-22 | 华为技术有限公司 | Seamless sending power adjusting method and system |
| US7876697B2 (en) * | 2006-10-26 | 2011-01-25 | General Instrument Corporation | Method and apparatus for characterizing modulation schemes in an HFC network |
| CN101610102A (en) * | 2008-06-18 | 2009-12-23 | 华为技术有限公司 | A kind of mthods, systems and devices of optimizing power |
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