CN102883371A - Method, device and system for network load balancing - Google Patents
Method, device and system for network load balancing Download PDFInfo
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- CN102883371A CN102883371A CN2012103704017A CN201210370401A CN102883371A CN 102883371 A CN102883371 A CN 102883371A CN 2012103704017 A CN2012103704017 A CN 2012103704017A CN 201210370401 A CN201210370401 A CN 201210370401A CN 102883371 A CN102883371 A CN 102883371A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/08—Load balancing or load distribution
- H04W28/09—Management thereof
- H04W28/0958—Management thereof based on metrics or performance parameters
Abstract
An embodiment of the invention provides a method, a device and a system for network load balancing. The method includes modifying load information regulated in protocol, expanding value range of carrier sector forward load values carried in the load information so that the carrier sector forward load values carried in the load information can be more approximate to practical carrier sector forward load values; or integrally offsetting (increasing or decreasing) each carrier sector forward load value in the network on the side AN, utilizing the forward load value offset integrally to indicate the practical forward load value so that the converted carrier sector forward load value can indicate the practical carrier sector forward load value accurately even if the offset forward load value is converted to 0-15.5 decibels according to the maximum and minimum range principle. Accordingly, accuracy of determining service carrier sectors by a terminal or the side AN by means of the NLB (network load balancing) algorithm can be improved, the network load balancing effect is improved and system capacity is effectively improved as well.
Description
Technical field
The present invention relates to wireless communication field, relate in particular to a kind of methods, devices and systems of network load equilibrium.
Background technology
Based on CDMA 2000 1x data evolution optimization system (CDMA20001xEVDO, Code Division Multiple Access 2000Evolution Data Optimized) in the wireless communication system, in order to improve power system capacity, can be according to the principle of grid load balancing, for terminal is selected the service contained fan.
According to CDMA20001xEVDO agreement C.S0024-300-Cv_1.0, in enhancing forward traffic channel media access controls (MAC, Media Access Control) layer protocol, increased information on load (LoadInformation) message.This message be used for to realize the control procedure of balanced (NLB) algorithm of network load, and each contained fan forward direction load value that access network (AN, Access Network) side can be measured sends under this contained fan in all terminals by this message.
Prior art comprises two kinds of NLB algorithms, and these two kinds of algorithms are in fact the concrete application of two kinds of a kind of NLB algorithm, respectively for different terminals.A kind of is that old terminal can't be supported the parsing of LoadInformation message for the old terminal of upgrading, and this NLB algorithm is also referred to as the NLB-Legacy algorithm; A kind of is for the new terminal of having upgraded, and new terminal is supported the LoadInformation message parse, and this NLB algorithm is also referred to as the NLB-New algorithm.
NLB-New algorithm mechanism is described below:
For the terminal of supporting LoadInformation message, it is by receiving and resolving LoadInformation message, with the forward direction load value of its all contained fans that parse, and the forward signal intensity level of these contained fans of measuring of this terminal, comprehensively to a tabulation, as follows:
Table 1
According to existing NLB-New algorithm, at first get rid of the too small contained fan of contained fan forward signal intensity level, Signal to Interference plus Noise Ratio (SINR, Singnal to Interference plus Noise Ratio) was less than the contained fan record deletion of-5 decibels (dB) during soon this was tabulated.Then calculate the S_L of each contained fan, i.e. S_L=SINR-Load, the S_L value of checking all contained fans is if the S_L value of current service contained fan is maximum, then still take current contained fan as the service contained fan; If the S_L that the S_L value of current service contained fan is not contained fan maximum and the S_L maximum deducts the current service contained fan greater than 2dB, then selects the contained fan of this S_L maximum as the service contained fan.
The main body that the NLB-New algorithm is carried out is terminal.And according to protocol requirement, Load is a nonnegative number, and SINR can be a negative or nonnegative number, and the S_L value also can be negative or nonnegative number.
NLB-Legacy algorithm mechanism is described below:
NLB-Legacy algorithm and NLB-New algorithm are substantially similar, and different is that the algorithm executive agent is in the AN side.The AN side can be collected the forward direction load value Load of each contained fan of AN side, and the forward signal intensity level SINR that measures of the RouteUpdate message collection terminal that sends by each terminal, also formed the tabulation shown in the table 1.According to protocol requirement, Load is a nonnegative number, and SINR can be a negative or nonnegative number, and the S_L value also can be negative or nonnegative number.
Namely no matter be NLB-Legacy algorithm or NLB-New algorithm, NLB algorithm mechanism is: at first get rid of the too small contained fan of contained fan forward signal intensity level, then calculate the S_L of each contained fan, be S_L=SINR-Load, check the S_L value of all contained fans, if the S_L value of current service contained fan is maximum, then still take current contained fan as the service contained fan; If the S_L that the S_L value of current service contained fan is not contained fan maximum and the S_L maximum deducts the current service contained fan greater than 2dB, then selects the contained fan of this S_L maximum as the service contained fan.
As shown in Figure 1, having 2 fields to represent contained fan forward direction load value in the LoadInformation message, is respectively LoadingAdjust field and NeighborSectorLoadingAdjust field, wherein:
The LoadingAdjust field is for the forward direction load value of a contained fan of expression;
The NeighborSectorLoadingAdjust field, the forward direction load value of the adjacent area contained fan of the contained fan that the forward direction load value that expression LoadingAdjust field represents is corresponding, the adjacent area contained fan of this Related fields, with the sequence consensus that adjacent area contained fan in the SectorParameter message occurs, wherein SectorParameter message also is existing message in the consensus standard.
These 2 fields all are to adopt 5bit to represent the forward direction load value of the unsigned number take 0.5dB as unit, and therefore the scope of expression is 0 ~ 15.5dB.
According to present agreement regulation, when utilizing NLB algorithm decision service contained fan, forward direction load span is 0 ~ 15.5dB, and in fact, and this case inventor finds by actual test, and the span of the actual forward load of contained fan can be-10dB ~ 30dB.When determining the forward direction load value of each contained fan, can will be converted to 0dB less than 0 Load value according to minimum, the highest scope principle in the actual treatment, will be converted to 15.5dB above the Load value of 15.5dB.If the Load value of two contained fans is all less than 0, but the Load value between them differs larger, then when carrying out the NLB algorithm, can cause the algorithm erroneous judgement, equally, if 2 contained fan Load values all surpass 15.5dB, but the Load value between them differs larger, also can cause the algorithm erroneous judgement, the decision service contained fan also just can't be realized grid load balancing exactly, and power system capacity can't effectively improve.
Summary of the invention
The embodiment of the invention provides a kind of methods, devices and systems of network load equilibrium, is used for improving the effect of network load equilibrium, the Effective Raise power system capacity, and improve the accuracy of service contained fan decision-making.
A kind of method of network load equilibrium, described method comprises:
Receive the information on load LoadInformation message that the access network side network equipment sends, the span minimum value of the contained fan forward direction load value that carries in the described LoadInformation message is less than 0 decibel, and/or maximum is greater than 15.5 decibels;
According to the contained fan forward direction load value that carries in the LoadInformation message, utilize the balanced NLB algorithm of network load to determine the service contained fan.
A kind of method of network load equilibrium, described method comprises:
Determine the forward direction load value of contained fan;
According to the forward direction load value of determining, send information on load LoadInformation message to terminal, the span minimum value of the contained fan forward direction load value that carries in the described LoadInformation message is less than 0 decibel, and/or maximum is greater than 15.5 decibels, indicating terminal utilizes the balanced NLB algorithm of network load to determine the service contained fan according to the contained fan forward direction load value that carries in the LoadInformation message.
A kind of method of network load equilibrium, described method comprises:
Determine the forward direction load value of each contained fan in the network;
Be averaged after cumulative to the forward direction load value of described each contained fan, obtain network forward direction load value;
According to described network forward direction load value, adjust the forward direction load value of described each contained fan;
According to the contained fan forward direction load value after adjusting, utilize the balanced NLB algorithm of network load to determine the service contained fan of terminal;
Wherein, according to described network forward direction load value, adjust the forward direction load value of described each contained fan, comprising:
When network forward direction load value was lower than the first set point, for each contained fan, with the forward direction load value of this contained fan and the first adjusted value sum forward direction load value as this contained fan, described the first adjusted value was greater than 0;
When network forward direction load value was higher than the second set point, for each contained fan, with the forward direction load value of this contained fan and the second adjusted value sum forward direction load value as this contained fan, described the second adjusted value was less than 0;
Be not less than the first set point at network forward direction load value, and when not being higher than the second set point, for each contained fan, keep the forward direction load value of this contained fan constant.
A kind of method of network load equilibrium, described method comprises:
Determine the forward direction load value of each contained fan in the network;
Be averaged the forward direction load value of described each contained fan is cumulative, obtain network forward direction load value;
According to described network forward direction load value, adjust the forward direction load value of described each contained fan;
According to the contained fan forward direction load value after adjusting, send information on load LoadInformation message to terminal, indicating terminal utilizes the balanced NLB algorithm of network load to determine the service contained fan according to the contained fan forward direction load value that carries in the LoadInformation message;
Wherein, according to described network forward direction load value, adjust the forward direction load value of described each contained fan, comprising:
When network forward direction load value was lower than the first set point, for each contained fan, with the forward direction load value of this contained fan and the first adjusted value sum forward direction load value as this contained fan, described the first adjusted value was greater than 0;
When network forward direction load value was higher than the second set point, for each contained fan, with the forward direction load value of this contained fan and the second adjusted value sum forward direction load value as this contained fan, described the second adjusted value was less than 0;
Be not less than the first set point at network forward direction load value, and when not being higher than the second set point, for each contained fan, keep the forward direction load value of this contained fan constant.
A kind of device of network load equilibrium, described device comprises:
Receiver module, be used for receiving the information on load LoadInformation message that the access network side network equipment sends, the span minimum value of the contained fan forward direction load value that carries in the described LoadInformation message is less than 0 decibel, and/or maximum is greater than 15.5 decibels;
Decision-making module for the contained fan forward direction load value that carries according to LoadInformation message, utilizes the balanced NLB algorithm of network load to determine the service contained fan.
A kind of device of network load equilibrium, described device comprises:
Determination module is for the forward direction load value of determining contained fan;
Sending module, be used for according to the forward direction load value of determining, send information on load LoadInformation message to terminal, the span minimum value of the contained fan forward direction load value that carries in the described LoadInformation message is less than 0 decibel, and/or maximum is greater than 15.5 decibels, indicating terminal utilizes the balanced NLB algorithm of network load to determine the service contained fan according to the contained fan forward direction load value that carries in the LoadInformation message.
A kind of system of network load equilibrium, described system comprise terminal and the access network side network equipment, wherein:
The described network equipment, be used for determining the forward direction load value of contained fan, according to the forward direction load value of determining, send information on load LoadInformation message to terminal, the span minimum value of the contained fan forward direction load value that carries in the described LoadInformation message is less than 0 decibel, and/or maximum is greater than 15.5 decibels;
Described terminal is used for receiving the described LoadInformation message that the described network equipment sends, and according to the contained fan forward direction load value that carries in the described LoadInformation message, utilizes the balanced NLB algorithm of network load to determine the service contained fan.
A kind of device of network load equilibrium, described device comprises:
Determination module is for the forward direction load value of determining each contained fan of network;
Adjusting module, after cumulative to the forward direction load value of described each contained fan, be averaged, obtain network forward direction load value, when network forward direction load value is lower than the first set point, for described each contained fan, with the forward direction load value of this contained fan and the first adjusted value sum forward direction load value as this contained fan, described the first adjusted value is greater than 0; When network forward direction load value was higher than the second set point, for described each contained fan, with the forward direction load value of this contained fan and the second adjusted value sum forward direction load value as this contained fan, described the second adjusted value was less than 0; Be not less than the first set point at network forward direction load value, and when not being higher than the second set point, for described each contained fan, keep the forward direction load value of this contained fan constant;
Decision-making module is used for according to the contained fan forward direction load value after the adjusting module adjustment, utilizes the balanced NLB algorithm of network load to determine the service contained fan of terminal.
A kind of device of network load equilibrium, described device comprises:
Determination module is for the forward direction load value of determining each contained fan of network;
Adjusting module, after cumulative to the forward direction load value of described each contained fan, be averaged, obtain network forward direction load value, when network forward direction load value is lower than the first set point, for described each contained fan, with the forward direction load value of this contained fan and the first adjusted value sum forward direction load value as this contained fan, described the first adjusted value is greater than 0; When network forward direction load value was higher than the second set point, for described each contained fan, with the forward direction load value of this contained fan and the second adjusted value sum forward direction load value as this contained fan, described the second adjusted value was less than 0; Be not less than the first set point at network forward direction load value, and when not being higher than the second set point, for described each contained fan, keep the forward direction load value of this contained fan constant;
Sending module, be used for according to the contained fan forward direction load value after the adjusting module adjustment, send information on load LoadInformation message to terminal, indicating terminal utilizes the balanced NLB algorithm of network load to determine the service contained fan according to the contained fan forward direction load value that carries in the LoadInformation message.
The scheme that provides according to the embodiment of the invention, can revise the LoadInformation message of agreement regulation, enlarge the span of the contained fan forward direction load value that carries in this message, so that the contained fan forward direction load value of the more approaching reality of contained fan forward direction load value of carrying in this message, thereby improve terminal according to the contained fan forward direction load value that carries in the LoadInformation message, utilize the accuracy of the service contained fan that the balanced NLB algorithm of network load determines, thereby realize that better network load is balanced, the Effective Raise power system capacity.
Can also carry out integral body to actual contained fan forward direction load value increases or reduces, so that 0 ~ 15.5 decibel the span that the contained fan forward direction load value after adjusting is more stipulated near agreement, even and according to the highest, the lowest range principle, contained fan forward direction load value after adjusting is changed, error (the contained fan forward direction load value after the adjustment) between the contained fan forward direction load value before contained fan forward direction load value after the conversion and the conversion also can effectively reduce, thereby also can improve the accuracy of utilizing the service contained fan that the balanced NLB algorithm of network load determines, thereby realize that better network load is balanced, the Effective Raise power system capacity.
Description of drawings
The form schematic diagram of the LoadInformation message that Fig. 1 provides for prior art;
The step schematic diagram of the network load equalization methods that Fig. 2 provides for the embodiment of the invention one;
The form schematic diagram of the LoadInformation message that Fig. 3 provides for the embodiment of the invention one;
The step schematic diagram of the network load equalization methods that Fig. 4 provides for the embodiment of the invention two;
The structural representation of the network load balancer that Fig. 5 provides for the embodiment of the invention three;
The structural representation of the network load balancer that Fig. 6 provides for the embodiment of the invention four;
The structural representation of the network load equalizing system that Fig. 7 provides for the embodiment of the invention five;
The structural representation of the network load balancer that Fig. 8 provides for the embodiment of the invention six;
The structural representation of the network load balancer that Fig. 9 provides for the embodiment of the invention seven.
Embodiment
In prior art, when utilizing the service contained fan of NLB algorithm decision-making terminal, need to be with actual contained fan forward direction load value according to the highest, minimum principle is transformed into 0 ~ 15.5dB, cause contained fan forward direction load value after the conversion in the NLB algorithm can't accurately represent the problem of actual contained fan forward direction load value, the embodiment of the invention proposes, can be to the terminal of supporting LoadInformation message, the LoadInformation message of carrying the contained fan forward direction load value in the larger span is provided, so that the contained fan forward direction load value in the LoadInformation message can represent actual contained fan forward direction load value more accurately, so that during the contained fan forward direction load value decision service contained fan of terminal in utilizing LoadInformation message, improve the accuracy of the service terminal of making a strategic decision out.
Also can be in the AN side, the forward direction load value of each contained fan in the network is carried out overall offset (increase or reduce), can utilize the forward direction load value after the overall offset to represent actual forward direction load value, even the forward direction load value after will being offset is according to the highest, the lowest range principle is transformed into 0 ~ 15.5dB, also can be so that the contained fan forward direction load value after the conversion can represent actual contained fan forward direction load value more accurately, after utilizing overall offset or during the contained fan forward direction load value decision service contained fan after the conversion, so that AN side or terminal improve the accuracy of the service terminal of making a strategic decision out.
Below in conjunction with Figure of description and each embodiment the present invention program is described.
Embodiment one,
The embodiment of the invention one provides a kind of method of network load equilibrium, and the steps flow chart of the method can as shown in Figure 2, comprise:
In this step, the access network side network equipment (such as base station controller) can be determined the actual forward load value of contained fan.Concrete, the method for the forward direction load value of definite contained fan that the access network side network equipment can require according to existing NLB algorithm is determined the forward direction load value of contained fan.
In the present embodiment, suppose that terminal can resolve LoadInformation message, therefore, in this step, the access network side network equipment can send LoadInformation message to terminal corresponding to each contained fan, and carries the forward direction load value of this contained fan in this LoadInformation message.
And for so that terminal can improve the accuracy of determining the service contained fan, can enlarge the span of carry-on contained fan forward direction load value in the LoadInformation message, therefore, in this step, the span minimum value of the contained fan forward direction load value that carries in the LoadInformation message that the access network side network equipment sends to terminal is less than 0dB, and/or maximum is greater than 15.5dB.
Concrete, in order to increase the span of the contained fan forward direction load value that carries in the LoadInformation message, can expand bit (bit) number of LoadingAdjust field and NeighborSectorLoadingAdjust field, so that the bit number average of LoadingAdjust field and NeighborSectorLoadingAdjust field is greater than 5, and be the complement of two's two's complement take 0.5dB as unit.For example, as shown in Figure 3, the bit number of LoadingAdjust field and NeighborSectorLoadingAdjust field can be 8.
In fact, the inventor finds that by actual measurement the span of the actual forward load value of contained fan is generally between-10 ~ 30dB, therefore, more excellent, in this step, the span of the contained fan forward direction load value that carries in can regulation LoadInformation message is-63.5dB ~ 64dB.Thereby can avoid the span of the contained fan forward direction load value that carries in the LoadInformation message excessive, the byte that causes message to take is more, increases the transmission time of message, increases the load of system.
Receive the terminal of LoadInformation message, can according to the contained fan forward direction load value that carries in the LoadInformation message, utilize the balanced NLB algorithm of network load to determine the service contained fan.
Concrete, terminal can be according to the NLB-New algorithm, and according to the contained fan forward direction load value that carries in the LoadInformation message that receives, the forward signal intensity level of the contained fan that self measures comes the decision service contained fan.
Because terminal is used for the precision of the contained fan forward direction load value of decision service contained fan, the precision that is higher than the contained fan forward direction load value that carries in the LoadInformation message of agreement regulation in the prior art, therefore, terminal can be served the accuracy that contained fan is made a strategic decision by Effective Raise, realize that better network load is balanced, further improve power system capacity.
Embodiment two,
The embodiment of the invention two provides a kind of method of network load equilibrium, and the steps flow chart of the method can as shown in Figure 4, comprise:
In this step, the access network side network equipment (such as base station controller) can be determined the actual forward load value of each contained fan in the network.Concrete, the method for the forward direction load value of definite contained fan that the access network side network equipment can require according to existing NLB algorithm is determined the forward direction load value of contained fan.
Because the span of the forward direction load value of the contained fan of stipulating in the NLB algorithm is 0 ~ 15.5dB, and actual contained fan forward direction load value might not be in this scope, for so that according to the highest, when the lowest range principle is transformed into 0 ~ 15.5dB of agreement regulation with the contained fan forward direction load value of reality, the error of the contained fan forward direction load value after can reducing to change and actual contained fan forward direction load value, can carry out overall offset to actual contained fan forward direction load value in this step, thereby follow-up when the contained fan forward direction load value after the overall offset is transformed into 0 ~ 15.5dB, can be so that the contained fan forward direction load value after the conversion can represent actual contained fan load value better.
Concrete, be averaged after can adding up to the forward direction load value of each contained fan in the network, obtain network forward direction load value, according to described network forward direction load value, adjust the forward direction load value of each contained fan.Wherein, can be when network forward direction load value be lower than the first set point, for each contained fan, with the forward direction load value of this contained fan and the first adjusted value sum forward direction load value as this contained fan, described the first adjusted value is greater than 0; When network forward direction load value was higher than the second set point, for each contained fan, with the forward direction load value of this contained fan and the second adjusted value sum forward direction load value as this contained fan, described the second adjusted value was less than 0; Be not less than the first set point at network forward direction load value, and when not being higher than the second set point, for each contained fan, keep the forward direction load value of this contained fan constant.
For example, suppose to comprise in the network 3 contained fans, be labeled as respectively the first contained fan, the second contained fan and the 3rd contained fan, suppose that the first contained fan forward direction load value of determining is-20 in step 201, the forward direction load value of the second contained fan is-20.5, the forward direction load value of the 3rd contained fan is-21, then, can determine that network forward direction load value is-20.5, suppose that the first set point is 0 this moment, the first adjusted value is 21, because network forward direction load value is lower than the first set point, then, can utilize the first adjusted value that the first contained fan forward direction load value is adjusted into 1, the forward direction load value that the forward direction load value of the second contained fan is adjusted into 0.5, the three contained fan is 0.And if according to the highest, the lowest range principle of prior art, then the forward direction load value of the first contained fan forward direction load value, the second contained fan and the forward direction load value of the 3rd contained fan are 0.Obviously, when later use NLB algorithm decision service contained fan, utilize the contained fan forward direction load value after adjusting obviously to improve decision accuracy.
Can find out by top example, if the contained fan duty ratio is balanced in the network, the forward direction load value of each contained fan is more approaching, then according to the scheme that provides in the present embodiment, set the first adjusted value and second adjusted value of OK range, need not according to the highest, the lowest range principle is changed, can be so that the forward direction load value after adjusting satisfies the span 0 ~ 15.5dB of the forward direction load value of agreement regulation, the follow-up forward direction load value decision service contained fan that can directly utilize after the adjustment, avoided changing the error that causes, thereby can greatly improve the accuracy of the service contained fan of making a strategic decision out.
Even and through after adjusting, still need to be according to the highest, lowest range principle, forward direction load value after adjusting is transformed into the span of 0 ~ 15.5dB, also can reduces the forward direction load value number that needs conversion, still can improve the accuracy of the service contained fan of making a strategic decision out.
In the present embodiment, if terminal is not supported the parsing of LoadInformation message, then execution in step 203 can be continued, if terminal is supported the parsing of LoadInformation message, then execution in step 204 can be continued.
If terminal is not supported the parsing of LoadInformation message, in the present embodiment, can by the access network side network equipment according to the contained fan forward direction load value after adjusting, utilize the balanced NLB algorithm of network load to determine the service contained fan of terminal.
The access network side network equipment can be according to the NLB-Legacy algorithm, according to the contained fan forward direction load value after adjustment corresponding to terminal, the forward signal intensity level that this terminal of collecting measures (the forward signal intensity level can be to arrive by the RouteUpdate message collection that this terminal sends), the service contained fan of this terminal of making a strategic decision.
Concrete, in this step, can determine whether each contained fan forward direction load value after adjusting belongs to the span of 0 ~ 15.5dB;
All belong to the span of 0 ~ 15.5dB if determine the contained fan forward direction load value after each adjustment, the contained fan forward direction load value after then adjusting according to each and the forward signal intensity level of collecting utilize the NLB algorithm to determine the service contained fan;
Do not belong to the span of 0 ~ 15.5dB if determine the contained fan forward direction load value after at least one adjustment, then the contained fan forward direction load value after described at least one adjustment is transformed into the span of 0 ~ 15.5dB, and according to the contained fan forward direction load value after each conversion, contained fan forward direction load value after each non-switched adjustment and the forward signal intensity level of collecting utilize the NLB algorithm to determine the service contained fan;
Wherein, contained fan forward direction load value after the adjustment is transformed into the span of 0 ~ 15.5dB, specifically comprise, at this contained fan forward direction load value during greater than 15.5dB, this contained fan forward direction load value is converted to 15.5dB, during less than 0dB, this contained fan forward direction load value is converted to 0dB at this contained fan forward direction load value, namely changes according to the highest, lowest range principle.
After the access network side network equipment is made a strategic decision out the service contained fan of terminal, can process ends.
If terminal can be resolved LoadInformation message, in this step, the access network side network equipment can be according to the contained fan forward direction load value after adjusting, and the terminal corresponding to each contained fan sends LoadInformation message.If the contained fan forward direction load value after adjusting belongs to the span of 0 ~ 15.5dB, can with the contained fan forward direction load value after adjusting, send to terminal by LoadInformation message.Certainly, if the contained fan forward direction load value after adjusting does not belong to the span of 0 ~ 15.5dB, can continue according to the highest, lowest range principle, contained fan forward direction load value after adjusting is transformed into the span of 0 ~ 15.5dB, and the contained fan forward direction load value after will changing, send to terminal by LoadInformation message.
Concrete, can determine whether each contained fan forward direction load value after adjusting belongs to the span of 0 ~ 15.5dB;
All belong to the span of 0 ~ 15.5dB if determine the contained fan forward direction load value after each adjustment, the contained fan forward direction load value after then each being adjusted sends to terminal by LoadInformation message;
Do not belong to the span of 0 ~ 15.5dB if determine the contained fan forward direction load value after at least one adjustment, then the contained fan forward direction load value after described at least one adjustment is transformed into the span of 0 ~ 15.5dB, and with the contained fan forward direction load value after each conversion, and the contained fan forward direction load value after each non-switched adjustment sends to terminal by LoadInformation message;
Wherein, contained fan forward direction load value after the adjustment is transformed into the span of 0 ~ 15.5dB, specifically comprise, at this contained fan forward direction load value during greater than 15.5dB, this contained fan forward direction load value is converted to 15.5dB, during less than 0dB, this contained fan forward direction load value is converted to 0dB at this contained fan forward direction load value.
Receive the terminal of LoadInformation message, can according to the contained fan forward direction load value that carries in the LoadInformation message, utilize the balanced NLB algorithm of network load to determine the service contained fan.
Concrete, terminal can be according to the NLB-New algorithm, and according to the contained fan forward direction load value that carries in the LoadInformation message that receives, the forward signal intensity level of the contained fan that self measures comes the decision service contained fan.
In the present embodiment, because terminal or AN side are used for the precision of the contained fan forward direction load value of decision service contained fan, the precision that is higher than the contained fan forward direction load value of agreement regulation in the prior art, therefore, terminal or AN side can be served the accuracy that contained fan is made a strategic decision by Effective Raise, realize that better network load is balanced, further improve power system capacity.
With the embodiment of the invention one based on same inventive concept, following device and system is provided.
Embodiment three,
The embodiment of the invention three provides a kind of device of network load equilibrium, and this device can be integrated in the terminal, and the structure of this device can as shown in Figure 5, comprise:
Receiver module 11 is used for receiving the information on load LoadInformation message that the access network side network equipment sends, the span minimum value of the contained fan forward direction load value that carries in the described LoadInformation message is less than 0 decibel, and/or maximum is greater than 15.5 decibels;
Decision-making module 12 utilizes the balanced NLB algorithm of network load to determine the service contained fan for the contained fan forward direction load value that carries according to LoadInformation message.
Embodiment four,
The embodiment of the invention four provides a kind of device of network load equilibrium, and this device can be integrated in the access network side network equipment, and the structure of this device can as shown in Figure 6, comprise:
Sending module 22 is used for according to the forward direction load value of determining, send information on load LoadInformation message to terminal, the span minimum value of the contained fan forward direction load value that carries in the described LoadInformation message is less than 0 decibel, and/or maximum is greater than 15.5 decibels, indicating terminal utilizes the balanced NLB algorithm of network load to determine the service contained fan according to the contained fan forward direction load value that carries in the LoadInformation message.
Embodiment five,
The embodiment of the invention five provides a kind of system of network load equilibrium, and the structure of this system can comprise terminal 31 and the access network side network equipment 32 as shown in Figure 7, wherein:
The described network equipment 32 is used for determining the forward direction load value of contained fan, according to the forward direction load value of determining, send information on load LoadInformation message to terminal, the span minimum value of the contained fan forward direction load value that carries in the described LoadInformation message is less than 0 decibel, and/or maximum is greater than 15.5 decibels;
Described terminal 31 is used for receiving the described LoadInformation message that the described network equipment sends, and according to the contained fan forward direction load value that carries in the described LoadInformation message, utilizes the balanced NLB algorithm of network load to determine the service contained fan.
With the embodiment of the invention two based on same inventive concept, following device is provided.
Embodiment six,
The embodiment of the invention six provides a kind of device of network load equilibrium, and this device can be integrated in the access network side network equipment, and the structure of this device can as shown in Figure 8, comprise:
Determination module 41 is used for determining the forward direction load value of each contained fan of network;
Adjusting module 42 is averaged after cumulative to the forward direction load value of described each contained fan, obtain network forward direction load value, when network forward direction load value is lower than the first set point, for described each contained fan, with the forward direction load value of this contained fan and the first adjusted value sum forward direction load value as this contained fan, described the first adjusted value is greater than 0; When network forward direction load value was higher than the second set point, for described each contained fan, with the forward direction load value of this contained fan and the second adjusted value sum forward direction load value as this contained fan, described the second adjusted value was less than 0; Be not less than the first set point at network forward direction load value, and when not being higher than the second set point, for described each contained fan, keep the forward direction load value of this contained fan constant;
Decision-making module 43 is used for according to the contained fan forward direction load value after the adjusting module adjustment, utilizes the balanced NLB algorithm of network load to determine the service contained fan of terminal.
Described decision-making module 43 is used for specifically determining whether the contained fan forward direction load value after each adjustment belongs to 0 ~ 15.5 decibel span; All belong to 0 ~ 15.5 decibel span if determine the contained fan forward direction load value after each adjustment, the contained fan forward direction load value after then adjusting according to each and the forward signal intensity level of collecting utilize the NLB algorithm to determine the service contained fan of terminal; Do not belong to 0 ~ 15.5 decibel span if determine the contained fan forward direction load value after at least one adjustment, then the contained fan forward direction load value after described at least one adjustment is transformed into 0 ~ 15.5 decibel span, and according to the contained fan forward direction load value after each conversion, contained fan forward direction load value after each non-switched adjustment and the forward signal intensity level of collecting utilize the NLB algorithm to determine the service contained fan of terminal; Wherein, contained fan forward direction load value after the adjustment is transformed into 0 ~ 15.5 decibel span, specifically comprise, at this contained fan forward direction load value during greater than 15.5 decibels, this contained fan forward direction load value is converted to 15.5 decibels, during less than 0 decibel, this contained fan forward direction load value is converted to 0 decibel at this contained fan forward direction load value.
Embodiment seven,
The embodiment of the invention seven provides a kind of device of network load equilibrium, and this device can be integrated in the access network side network equipment, and the structure of this device can as shown in Figure 9, comprise:
Adjusting module 52 is averaged after cumulative to the forward direction load value of described each contained fan, obtain network forward direction load value, when network forward direction load value is lower than the first set point, for described each contained fan, with the forward direction load value of this contained fan and the first adjusted value sum forward direction load value as this contained fan, described the first adjusted value is greater than 0; When network forward direction load value was higher than the second set point, for described each contained fan, with the forward direction load value of this contained fan and the second adjusted value sum forward direction load value as this contained fan, described the second adjusted value was less than 0; Be not less than the first set point at network forward direction load value, and when not being higher than the second set point, for described each contained fan, keep the forward direction load value of this contained fan constant;
Sending module 53 is used for according to the contained fan forward direction load value after the adjusting module adjustment, send information on load LoadInformation message to terminal, indicating terminal utilizes the balanced NLB algorithm of network load to determine the service contained fan according to the contained fan forward direction load value that carries in the LoadInformation message.
Described sending module 53 is used for specifically determining whether the contained fan forward direction load value after each adjustment belongs to 0 ~ 15.5 decibel span; All belong to 0 ~ 15.5 decibel span if determine the contained fan forward direction load value after each adjustment, the contained fan forward direction load value after then each being adjusted sends to terminal by LoadInformation message; Do not belong to 0 ~ 15.5 decibel span if determine the contained fan forward direction load value after at least one adjustment, then the contained fan forward direction load value after described at least one adjustment is transformed into 0 ~ 15.5 decibel span, and with the contained fan forward direction load value after each conversion, and the contained fan forward direction load value after each non-switched adjustment sends to terminal by LoadInformation message; Wherein, contained fan forward direction load value after the adjustment is transformed into 0 ~ 15.5 decibel span, specifically comprise, at this contained fan forward direction load value during greater than 15.5 decibels, this contained fan forward direction load value is converted to 15.5 decibels, during less than 0 decibel, this contained fan forward direction load value is converted to 0 decibel at this contained fan forward direction load value.
Those skilled in the art should understand that the application's embodiment can be provided as method, system or computer program.Therefore, the application can adopt complete hardware implementation example, complete implement software example or in conjunction with the form of the embodiment of software and hardware aspect.And the application can adopt the form of the computer program of implementing in one or more computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) that wherein include computer usable program code.
The application is that reference is described according to flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the present application.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device producing a machine, so that the instruction of carrying out by the processor of computer or other programmable data processing device produces the device of the function that is used for being implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, so that the instruction that is stored in this computer-readable memory produces the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device, so that carry out the sequence of operations step producing computer implemented processing at computer or other programmable devices, thereby be provided for being implemented in the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame in the instruction that computer or other programmable devices are carried out.
Although described the application's preferred embodiment, in a single day those skilled in the art get the basic creative concept of cicada, then can make other change and modification to these embodiment.So claims are intended to all changes and the modification that are interpreted as comprising preferred embodiment and fall into the application's scope.
Obviously, those skilled in the art can carry out various changes and modification and the spirit and scope that do not break away from the application to the application.Like this, if these of the application are revised and modification belongs within the scope of the application's claim and equivalent technologies thereof, then the application also is intended to comprise these changes and modification interior.
Claims (15)
1. the method for a network load equilibrium is characterized in that, described method comprises:
Receive the information on load LoadInformation message that the access network side network equipment sends, the span minimum value of the contained fan forward direction load value that carries in the described LoadInformation message is less than 0 decibel, and/or maximum is greater than 15.5 decibels;
According to the contained fan forward direction load value that carries in the LoadInformation message, utilize the balanced NLB algorithm of network load to determine the service contained fan.
2. the method for claim 1, it is characterized in that, the LoadingAdjust field of carrying in the described LoadInformation message and NeighborSectorLoadingAdjust field bit number average be greater than 5, and for take 0.5 decibel of complement of two's two's complement as unit.
3. method as claimed in claim 1 or 2 is characterized in that, the span of the contained fan forward direction load value that carries in the described LoadInformation message is-63.5 decibels ~ 64 decibels.
4. the method for a network load equilibrium is characterized in that, described method comprises:
Determine the forward direction load value of contained fan;
According to the forward direction load value of determining, send information on load LoadInformation message to terminal, the span minimum value of the contained fan forward direction load value that carries in the described LoadInformation message is less than 0 decibel, and/or maximum is greater than 15.5 decibels, indicating terminal utilizes the balanced NLB algorithm of network load to determine the service contained fan according to the contained fan forward direction load value that carries in the LoadInformation message.
5. the method for a network load equilibrium is characterized in that, described method comprises:
Determine the forward direction load value of each contained fan in the network;
Be averaged after cumulative to the forward direction load value of described each contained fan, obtain network forward direction load value;
According to described network forward direction load value, adjust the forward direction load value of described each contained fan;
According to the contained fan forward direction load value after adjusting, utilize the balanced NLB algorithm of network load to determine the service contained fan of terminal;
Wherein, according to described network forward direction load value, adjust the forward direction load value of described each contained fan, comprising:
When network forward direction load value was lower than the first set point, for each contained fan, with the forward direction load value of this contained fan and the first adjusted value sum forward direction load value as this contained fan, described the first adjusted value was greater than 0;
When network forward direction load value was higher than the second set point, for each contained fan, with the forward direction load value of this contained fan and the second adjusted value sum forward direction load value as this contained fan, described the second adjusted value was less than 0;
Be not less than the first set point at network forward direction load value, and when not being higher than the second set point, for each contained fan, keep the forward direction load value of this contained fan constant.
6. method as claimed in claim 5 is characterized in that, according to the contained fan forward direction load value after adjusting, utilizes the balanced NLB algorithm of network load to determine the service contained fan of terminal, specifically comprises:
Determine whether the contained fan forward direction load value after each adjustment belongs to 0 ~ 15.5 decibel span;
All belong to 0 ~ 15.5 decibel span if determine the contained fan forward direction load value after each adjustment, the contained fan forward direction load value after then adjusting according to each and the forward signal intensity level of collecting utilize the NLB algorithm to determine the service contained fan of terminal;
Do not belong to 0 ~ 15.5 decibel span if determine the contained fan forward direction load value after at least one adjustment, then the contained fan forward direction load value after described at least one adjustment is transformed into 0 ~ 15.5 decibel span, and according to the contained fan forward direction load value after each conversion, contained fan forward direction load value after each non-switched adjustment and the forward signal intensity level of collecting utilize the NLB algorithm to determine the service contained fan of terminal;
Wherein, contained fan forward direction load value after the adjustment is transformed into 0 ~ 15.5 decibel span, specifically comprise, at this contained fan forward direction load value during greater than 15.5 decibels, this contained fan forward direction load value is converted to 15.5 decibels, during less than 0 decibel, this contained fan forward direction load value is converted to 0 decibel at this contained fan forward direction load value.
7. the method for a network load equilibrium is characterized in that, described method comprises:
Determine the forward direction load value of each contained fan in the network;
Be averaged the forward direction load value of described each contained fan is cumulative, obtain network forward direction load value;
According to described network forward direction load value, adjust the forward direction load value of described each contained fan;
According to the contained fan forward direction load value after adjusting, send information on load LoadInformation message to terminal, indicating terminal utilizes the balanced NLB algorithm of network load to determine the service contained fan according to the contained fan forward direction load value that carries in the LoadInformation message;
Wherein, according to described network forward direction load value, adjust the forward direction load value of described each contained fan, comprising:
When network forward direction load value was lower than the first set point, for each contained fan, with the forward direction load value of this contained fan and the first adjusted value sum forward direction load value as this contained fan, described the first adjusted value was greater than 0;
When network forward direction load value was higher than the second set point, for each contained fan, with the forward direction load value of this contained fan and the second adjusted value sum forward direction load value as this contained fan, described the second adjusted value was less than 0;
Be not less than the first set point at network forward direction load value, and when not being higher than the second set point, for each contained fan, keep the forward direction load value of this contained fan constant.
8. method as claimed in claim 7 is characterized in that, according to the contained fan forward direction load value after adjusting, sends information on load LoadInformation message to terminal, specifically comprises:
Determine whether the contained fan forward direction load value after each adjustment belongs to 0 ~ 15.5 decibel span;
All belong to 0 ~ 15.5 decibel span if determine the contained fan forward direction load value after each adjustment, the contained fan forward direction load value after then each being adjusted sends to terminal by LoadInformation message;
Do not belong to 0 ~ 15.5 decibel span if determine the contained fan forward direction load value after at least one adjustment, then the contained fan forward direction load value after described at least one adjustment is transformed into 0 ~ 15.5 decibel span, and with the contained fan forward direction load value after each conversion, and the contained fan forward direction load value after each non-switched adjustment sends to terminal by LoadInformation message;
Wherein, contained fan forward direction load value after the adjustment is transformed into 0 ~ 15.5 decibel span, specifically comprise, at this contained fan forward direction load value during greater than 15.5 decibels, this contained fan forward direction load value is converted to 15.5 decibels, during less than 0 decibel, this contained fan forward direction load value is converted to 0 decibel at this contained fan forward direction load value.
9. the device of a network load equilibrium is characterized in that, described device comprises:
Receiver module, be used for receiving the information on load LoadInformation message that the access network side network equipment sends, the span minimum value of the contained fan forward direction load value that carries in the described LoadInformation message is less than 0 decibel, and/or maximum is greater than 15.5 decibels;
Decision-making module for the contained fan forward direction load value that carries according to LoadInformation message, utilizes the balanced NLB algorithm of network load to determine the service contained fan.
10. the device of a network load equilibrium is characterized in that, described device comprises:
Determination module is for the forward direction load value of determining contained fan;
Sending module, be used for according to the forward direction load value of determining, send information on load LoadInformation message to terminal, the span minimum value of the contained fan forward direction load value that carries in the described LoadInformation message is less than 0 decibel, and/or maximum is greater than 15.5 decibels, indicating terminal utilizes the balanced NLB algorithm of network load to determine the service contained fan according to the contained fan forward direction load value that carries in the LoadInformation message.
11. the system of a network load equilibrium is characterized in that, described system comprises terminal and the access network side network equipment, wherein:
The described network equipment, be used for determining the forward direction load value of contained fan, according to the forward direction load value of determining, send information on load LoadInformation message to terminal, the span minimum value of the contained fan forward direction load value that carries in the described LoadInformation message is less than 0 decibel, and/or maximum is greater than 15.5 decibels;
Described terminal is used for receiving the described LoadInformation message that the described network equipment sends, and according to the contained fan forward direction load value that carries in the described LoadInformation message, utilizes the balanced NLB algorithm of network load to determine the service contained fan.
12. the device of a network load equilibrium is characterized in that, described device comprises:
Determination module is for the forward direction load value of determining each contained fan of network;
Adjusting module, after cumulative to the forward direction load value of described each contained fan, be averaged, obtain network forward direction load value, when network forward direction load value is lower than the first set point, for described each contained fan, with the forward direction load value of this contained fan and the first adjusted value sum forward direction load value as this contained fan, described the first adjusted value is greater than 0; When network forward direction load value was higher than the second set point, for described each contained fan, with the forward direction load value of this contained fan and the second adjusted value sum forward direction load value as this contained fan, described the second adjusted value was less than 0; Be not less than the first set point at network forward direction load value, and when not being higher than the second set point, for described each contained fan, keep the forward direction load value of this contained fan constant;
Decision-making module is used for according to the contained fan forward direction load value after the adjusting module adjustment, utilizes the balanced NLB algorithm of network load to determine the service contained fan of terminal.
13. device as claimed in claim 12 is characterized in that, described decision-making module is concrete for determining whether the contained fan forward direction load value after each adjustment belongs to 0 ~ 15.5 decibel span; All belong to 0 ~ 15.5 decibel span if determine the contained fan forward direction load value after each adjustment, the contained fan forward direction load value after then adjusting according to each and the forward signal intensity level of collecting utilize the NLB algorithm to determine the service contained fan of terminal; Do not belong to 0 ~ 15.5 decibel span if determine the contained fan forward direction load value after at least one adjustment, then the contained fan forward direction load value after described at least one adjustment is transformed into 0 ~ 15.5 decibel span, and according to the contained fan forward direction load value after each conversion, contained fan forward direction load value after each non-switched adjustment and the forward signal intensity level of collecting utilize the NLB algorithm to determine the service contained fan of terminal; Wherein, contained fan forward direction load value after the adjustment is transformed into 0 ~ 15.5 decibel span, specifically comprise, at this contained fan forward direction load value during greater than 15.5 decibels, this contained fan forward direction load value is converted to 15.5 decibels, during less than 0 decibel, this contained fan forward direction load value is converted to 0 decibel at this contained fan forward direction load value.
14. the device of a network load equilibrium is characterized in that, described device comprises:
Determination module is for the forward direction load value of determining each contained fan of network;
Adjusting module, after cumulative to the forward direction load value of described each contained fan, be averaged, obtain network forward direction load value, when network forward direction load value is lower than the first set point, for described each contained fan, with the forward direction load value of this contained fan and the first adjusted value sum forward direction load value as this contained fan, described the first adjusted value is greater than 0; When network forward direction load value was higher than the second set point, for described each contained fan, with the forward direction load value of this contained fan and the second adjusted value sum forward direction load value as this contained fan, described the second adjusted value was less than 0; Be not less than the first set point at network forward direction load value, and when not being higher than the second set point, for described each contained fan, keep the forward direction load value of this contained fan constant;
Sending module, be used for according to the contained fan forward direction load value after the adjusting module adjustment, send information on load LoadInformation message to terminal, indicating terminal utilizes the balanced NLB algorithm of network load to determine the service contained fan according to the contained fan forward direction load value that carries in the LoadInformation message.
15. device as claimed in claim 14 is characterized in that, described sending module is concrete for determining whether the contained fan forward direction load value after each adjustment belongs to 0 ~ 15.5 decibel span; All belong to 0 ~ 15.5 decibel span if determine the contained fan forward direction load value after each adjustment, the contained fan forward direction load value after then each being adjusted sends to terminal by LoadInformation message; Do not belong to 0 ~ 15.5 decibel span if determine the contained fan forward direction load value after at least one adjustment, then the contained fan forward direction load value after described at least one adjustment is transformed into 0 ~ 15.5 decibel span, and with the contained fan forward direction load value after each conversion, and the contained fan forward direction load value after each non-switched adjustment sends to terminal by LoadInformation message; Wherein, contained fan forward direction load value after the adjustment is transformed into 0 ~ 15.5 decibel span, specifically comprise, at this contained fan forward direction load value during greater than 15.5 decibels, this contained fan forward direction load value is converted to 15.5 decibels, during less than 0 decibel, this contained fan forward direction load value is converted to 0 decibel at this contained fan forward direction load value.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103704017A CN102883371A (en) | 2012-09-28 | 2012-09-28 | Method, device and system for network load balancing |
| PCT/CN2013/082601 WO2014048216A1 (en) | 2012-09-28 | 2013-08-29 | Method, device and system for network load balance |
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| CN2012103704017A CN102883371A (en) | 2012-09-28 | 2012-09-28 | Method, device and system for network load balancing |
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| CN102883371A true CN102883371A (en) | 2013-01-16 |
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| WO2014048216A1 (en) * | 2012-09-28 | 2014-04-03 | 中兴通讯股份有限公司 | Method, device and system for network load balance |
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