CN102469521A - Method for dynamically adjusting QoS index - Google Patents

Abstract

The invention provides a method for dynamically adjusting QoS index, comprising the following steps: acquiring load measurement parameters of a current central cell and each adjacent cell thereof; calculating the same-frequency same-time-slot comprehensive load of the current central cell according to the acquired load measurement parameters; and dynamically adjusting the QoS index of the user of the current central cell according to the same-frequency same-time-slot comprehensive load of the current central cell. By using the method for dynamically adjusting the QoS index, the QoS index of the user can be adjusted in real time according to the actual load condition, so that balance can be obtained between the load and the QoS index of the user.

Description

A kind of method of dynamic adjustment QoS index

Technical field

The present invention relates to communication technical field, refer in particular to a kind of method of dynamic adjustment QoS index.

Background technology

In the prior art, the load that is positioned at the network of zones of different generally all has bigger difference.Therefore, have the unequally loaded scene, will cause the generation of some problems if use same set of parameter or strategy to deal with.For example, in high load area or period, in order to guarantee number of users; Then generally need reduce the standard of service quality (QoS) as far as possible; And if the standard application of this QoS during to low load area or period, might be reduced service quality, make user's Experience Degree to be improved.Again for example, the general average suggestion value (MOS, Mean Opinion Score) of using comes the voice quality to assess in the prior art.In low load area,, generally need to improve " minimum signal to noise ratio (snr) desired value " in order to improve the MOS of low load area; But if in high load area, more serious call drop phenomenon will appear in the raising along with " minimum SNR desired value ".

Hence one can see that, and in the different application scene of various reality, required purpose that reaches and demand all are not quite similar, even opposite purpose and demand possibly occur.For example, when low load area or period, generally need improve the standard of QoS, to satisfy user's Experience Degree as far as possible; And when high load area or period, then generally need guarantee number of users as far as possible, therefore can only reduce the standard of QoS.So, in the practical application scene, press for according to different situation the standard of QoS adjusted neatly, to adapt to various demands.

But in the prior art; Can only be when the user inserts; Judge according to the new demand that inserts the user whether current sign indicating number resource load, power and/or interference load be higher by base station controller (RNC), whether can satisfy the new user's of access QoS demand, and professional after user's access the duration; But can not adjust the user radio index in real time, thereby be difficult between load and user's QoS standard, obtain balance according to the actual loading situation.

Summary of the invention

The invention provides a kind of method of dynamic adjustment QoS index, thereby can adjust user's QoS index in real time according to the actual loading situation.

For achieving the above object, the technical scheme among the present invention is achieved in that

A kind of method of dynamic adjustment QoS index, this method comprises:

Obtain the load metric parameter of current center cell and each adjacent cell thereof;

According to the load metric parameter of being obtained, calculate the co-frequency co-time slot integrated load of current center cell;

According to the co-frequency co-time slot integrated load of current center cell, dynamically adjust the user's of current center cell QoS index.

Said load metric parameter comprises: the quantity of type of service, various types of traffic, uplink interference signal code power and down transmitting power.

Said according to the load metric parameter of being obtained, the co-frequency co-time slot integrated load that calculates current center cell comprises:

Preestablish one-period;

Every at a distance from one-period according to the load metric calculation of parameter of the being obtained co-frequency co-time slot integrated load of current center cell once.

Said according to the load metric parameter of being obtained, the co-frequency co-time slot integrated load that calculates current center cell comprises:

According to the uplink interference signal code power ISCP of current center cell and each adjacent cell thereof, obtain the ISCP indicated value of each sub-district;

According to the down transmitting power of current center cell and each adjacent cell thereof, obtain the down transmitting power indicated value of each sub-district;

According to the type of service of current center cell and each adjacent cell thereof and the quantity of various types of traffic, calculate the load of each sub-district, and obtain the load indicated value of each sub-district according to the load of each sub-district;

According to ISCP indicated value, down transmitting power indicated value and the load indicated value of resulting each sub-district, calculate the co-frequency co-time slot integrated load of current center cell.

Said up ISCP according to current center cell and each adjacent cell thereof, the ISCP indicated value that obtains each sub-district comprises:

An ISCP indicated value table is set in advance, in order to the pairing ISCP indicated value of the value that writes down various up ISCP;

According to the up ISCP and the said ISCP indicated value table of current center cell and each adjacent cell thereof, obtain the ISCP indicated value of each sub-district.

Said down transmitting power according to current center cell and each adjacent cell thereof, the down transmitting power indicated value that obtains each sub-district comprises:

A down transmitting power indicated value table is set in advance, in order to the pairing down transmitting power indicated value of the value that writes down various down transmitting powers;

According to the up ISCP and the said down transmitting power indicated value table of current center cell and each adjacent cell thereof, obtain the down transmitting power indicated value of each sub-district.

Said according to the type of service of current center cell and each adjacent cell thereof and the quantity of various types of traffic, the load of calculating each sub-district comprises:

According to the employed channel type of different service types is that various types of traffic is provided with corresponding weight respectively;

According to the quantity and the pairing weight of various types of traffic of various types of traffic in current center cell and each adjacent cell thereof, calculate the load of each sub-district.

The formula that calculates the load of each sub-district is:

$\mathrm{WeightedResource}=\underset{i}{\mathrm{\Σ}}{N}_i*w_i$

Wherein, WeightedResource is the load of sub-district, N _iBe the quantity of the i kind type of service in the said sub-district, w _iBe the pairing weight of i kind type of service in the said sub-district.

The load indicated value that said load according to each sub-district obtains each sub-district comprises:

A load indicated value table is set in advance, in order to write down the pairing load indicated value of various cell loads;

According to the load and the said load indicated value table of each sub-district, obtain the load indicated value of each sub-district.

The formula of the co-frequency co-time slot integrated load of the current center cell of said calculating is:

$L_0={\mathrm{\α}}_0\mathrm{Index}\_\mathrm{ISC}{P}_0+\underset{n}{\mathrm{\Σ}}{\mathrm{\α}}_n\·\mathrm{Index}\_\mathrm{ISC}{P}_n+$

${\mathrm{\β}}_0\mathrm{Index}\_\mathrm{TxP}{w}_0+\underset{n}{\mathrm{\Σ}}{\mathrm{\β}}_n\·\mathrm{Index}\_\mathrm{TxP}{w}_n+$

${\mathrm{\γ}}_0\mathrm{Index}\_R{\mathrm{esource}}_0+\underset{n}{\mathrm{\Σ}}{\mathrm{\γ}}_n\·\mathrm{Index}\_{\mathrm{Resource}}_n$

Wherein, L ₀Co-frequency co-time slot integrated load for current center cell; α ₀Be the ISCP weight factor of current center cell, Index_ISCP ₀Be the ISCP indicated value of current center cell, α _nBe the ISCP weight factor of n adjacent cell of current center cell, Index_ISCP _nISCP indicated value for n adjacent cell of current center cell;

β ₀Be the down transmitting power weight factor of current center cell, Index_TxPw ₀Be the down transmitting power indicated value of current center cell, β _nBe the down transmitting power weight factor of n adjacent cell of current center cell, Index_TxPw _nDown transmitting power indicated value for n adjacent cell of current center cell;

γ ₀Be the load weight factor of current center cell, Index_Resource ₀Be the load indicated value of current center cell, γ _nBe the load weight factor of n adjacent cell of current center cell, Index_Resource _nLoad indicated value for n adjacent cell of current center cell.

Said user's QoS index is: power control parameters, Radio Link control window parameter, dynamic frame branch parameter and/or dynamic channel configuration Control Parameter.

Said power control parameters is: block error rate target value, maximum or minimum signal-to-noise target value, maximum or minimum downward special physical channel power, maximum or minimum high-speed physical downlink shared channel (HS-PDSCH) power.

Said co-frequency co-time slot integrated load according to current center cell, the QoS index of dynamically adjusting the user of current center cell comprises:

When said user's QoS index is the block error rate target value, the co-frequency co-time slot integrated load of current center cell and the threshold value of presetting are compared;

When the co-frequency co-time slot integrated load of current center cell during, improve the value of the block error rate target value of the employed channel of user more than or equal to preset threshold value; And, then reduce the value of the block error rate target value of the employed channel of user when the co-frequency co-time slot integrated load of current center cell during less than preset threshold value.

Said co-frequency co-time slot integrated load according to current center cell, the QoS index of dynamically adjusting the user of current center cell comprises:

When said user's QoS index is the block error rate target value, a block error rate target value recommendation table is set in advance, in order to the pairing block error rate target value of the value that writes down various co-frequency co-time slot integrated loads recommendation;

According to the co-frequency co-time slot integrated load and the said block error rate target value recommendation table of current center cell, the value of the block error rate target value of the employed channel of user is set.

Said co-frequency co-time slot integrated load according to current center cell, the QoS index of dynamically adjusting the user of current center cell comprises:

When said user's QoS index is Radio Link control window parameter, according to the Radio Link control window recommendation table of the co-frequency co-time slot integrated load of current center cell and setting in advance, the length that increases or dwindle Radio Link control window.

Said co-frequency co-time slot integrated load according to current center cell, the QoS index of dynamically adjusting the user of current center cell comprises:

When said user's QoS index is dynamic frame branch parameter, according to the co-frequency co-time slot integrated load of current center cell and the frame that is provided with in advance divide attitude number of users recommendation table, increase or reduce the number of users that switches to frame branch attitude.

Said co-frequency co-time slot integrated load according to current center cell, the QoS index of dynamically adjusting the user of current center cell comprises:

When the user's who is adjusted QoS index is dynamic channel configuration Control Parameter; According to the co-frequency co-time slot integrated load of current center cell and the message transmission rate recommendation table that is provided with in advance, improve or reduce the message transmission rate of certain customers through dynamic channel configuration control.

To sum up can know, a kind of method of dynamic adjustment QoS index is provided among the present invention.In the method for said dynamic adjustment QoS index, can calculate the co-frequency co-time slot integrated load of current center cell according to the load metric parameter of being obtained; And according to the co-frequency co-time slot integrated load of current center cell; Dynamically adjust the user's of current center cell QoS index, therefore, through using the method for above-mentioned dynamic adjustment QoS index; Can adjust user's QoS index according to the actual loading situation in real time, thereby can between load and user's QoS index, obtain balance.

Description of drawings

Fig. 1 is the schematic flow sheet of the method for the dynamic adjustment QoS index among the present invention.

Fig. 2 is for calculating the flow chart of the co-frequency co-time slot integrated load of current center cell among the present invention.

Embodiment

For making the object of the invention, technical scheme and advantage express clearlyer, the present invention is remake further detailed explanation below in conjunction with accompanying drawing and specific embodiment.

The invention provides a kind of method of dynamic adjustment QoS index.In the method; Can obtain the load metric parameter of current center cell and each adjacent cell thereof earlier; Then according to the load metric parameter of being obtained; Calculate the co-frequency co-time slot integrated load of current center cell, and, dynamically adjust the user's of current center cell QoS index according to the co-frequency co-time slot integrated load of current center cell.Through using the method for above-mentioned dynamic adjustment QoS index, can adjust user's QoS index according to the actual loading situation in real time, thereby can between load and user's QoS index, obtain balance.

Fig. 1 is the schematic flow sheet of the method for the dynamic adjustment QoS index among the present invention.As shown in Figure 1, in the method for dynamic adjustment QoS index in the present invention, mainly comprise the step that is described below:

Step 101 is obtained the load metric parameter of current center cell and each adjacent cell thereof.

In this step, can confirm earlier that a sub-district as current center cell, obtains the load metric parameter of current center cell and each adjacent cell thereof then.Wherein, said load metric parameter can comprise: various parameters such as the quantity of type of service, various types of traffic, uplink interference signal code power (ISCP, Interfering Signal CodePower) and down transmitting power.

In addition, in specific embodiment of the present invention, can and adopt acquisition methods commonly used in this area to obtain the load metric parameter of above-mentioned current center cell and each adjacent cell thereof through base station controller (RNC), concrete acquisition methods repeats no more at this.

Step 102 according to the load metric parameter of being obtained, is calculated the co-frequency co-time slot integrated load of current center cell.

In this step, will calculate the co-frequency co-time slot integrated load of current center cell according to the load metric parameter of the above-mentioned preceding center cell of obtaining and each adjacent cell thereof.

Further, in specific embodiment of the present invention, when calculating the co-frequency co-time slot integrated load of current center cell, can at first preestablish one-period, every then separated one-period calculates the once co-frequency co-time slot integrated load of current center cell.The length in above-mentioned predefined cycle can preestablish according to practical situations.

In addition, in specific embodiment of the present invention, can calculate the co-frequency co-time slot integrated load of current center cell through several different methods.Below will describe by way of example.

Fig. 2 is for calculating the flow chart of the co-frequency co-time slot integrated load of current center cell among the present invention.As shown in Figure 2, in specific embodiment of the present invention, can realize above-mentioned step 102 through the step that is described below:

Step 201:, obtain the ISCP indicated value of each sub-district according to the up ISCP of current center cell and each adjacent cell thereof.

In this step, can obtain and the corresponding ISCP indicated value in each sub-district (Index_ISCP) according to the value of the up ISCP of the current center cell of being obtained and each adjacent cell thereof.In specific embodiment of the present invention,, an ISCP indicated value table can be set in advance, in order to the pairing Index_ISCP of the value that writes down various up ISCP in order to obtain the Index_ISCP of each sub-district better.For example, above-mentioned set ISCP indicated value table can be as shown in the table:

ISCP(dBm)	Index_ISCP
		≤-105	0
≤-100	1
		≤-95	2
≤-90	3
		≤-85	4
≤-80	5
		≤-75	6
≤-70	7
		≤-65	8
＞-65	9

Table 1

As shown in table 1, when the value of the up ISCP of certain sub-district was less than or equal to-105 dBms (dBm), the Index_ISCP of this sub-district was 0; When the value of the up ISCP of certain sub-district be less than or equal to-during 100dBm, the Index_ISCP of this sub-district is 1; ..., the rest may be inferred.Therefore, in specific embodiment of the present invention, can directly obtain the ISCP indicated value of each sub-district according to the up ISCP and the above-mentioned ISCP indicated value table that is provided with in advance of current center cell and each adjacent cell thereof.

In an embodiment of the present invention, in order to distinguish the ISCP indicated value of each sub-district, also can the ISCP indicated value of current center cell be made as Index_ISCP ₀And the ISCP indicated value of all n adjacent cell that will this current center cell is made as Index_ISCP respectively ₁, Index_ISCP ₂..., Index_ISCP _N-1And Index_ISCP _nFor example, available Index_ISCP _nThe ISCP indicated value of representing n adjacent cell of current center cell.

Step 202:, obtain the down transmitting power indicated value of each sub-district according to the down transmitting power of current center cell and each adjacent cell thereof.

In this step, can obtain and each sub-district corresponding downstream transmitting power indicated value (Index_TxPw) according to the value of the down transmitting power (TxPw) of the current center cell of being obtained and each adjacent cell thereof.In specific embodiment of the present invention,, a down transmitting power indicated value table can be set in advance, in order to the pairing Index_TxPw of the value that writes down various TxPw in order to obtain the Index_TxPw of each sub-district better.For example, above-mentioned set down transmitting power indicated value table can be as shown in the table:

TxPw(dBm)	Index_TxPw
		≤0	0
≤5	1
		≤10	2
≤15	3
		≤20	4
≤25	5
		≤30	6
≤35	7
		≤40	8
＞40	9

Table 2

As shown in table 2, when the value of the down transmitting power of certain sub-district was less than or equal to 0 dBm (dBm), the Index_TxPw of this sub-district was 0; When the value of the down transmitting power of certain sub-district was less than or equal to 5dBm, the Index_TxPw of this sub-district was 1; ..., the rest may be inferred.Therefore, in specific embodiment of the present invention, can directly obtain the down transmitting power indicated value of each sub-district according to the up ISCP and the above-mentioned down transmitting power indicated value table that is provided with in advance of current center cell and each adjacent cell thereof.

In an embodiment of the present invention, in order to distinguish the down transmitting power indicated value of each sub-district, also can the down transmitting power indicated value of current center cell be made as Index_TxPw ₀And the down transmitting power indicated value of all n adjacent cell that will this current center cell is made as Index_TxPw respectively ₁, Index_TxPw ₂..., Index_TxPw _N-1And Index_TxPw _nFor example, available Index_TxPw _nThe down transmitting power indicated value of representing n adjacent cell of current center cell.

Step 203: according to the type of service of current center cell and each adjacent cell thereof and the quantity of various types of traffic, calculate the load of each sub-district, and obtain the load indicated value of each sub-district according to the load of each sub-district.

In this step, at first can be according to the type of service of current center cell and each adjacent cell thereof and the quantity of various types of traffic, through calculating the load of each sub-district.Because have various type of service in each sub-district, the quantity of different service types possibly have nothing in common with each other, the employed Traffic Channel of miscellaneous service is also inequality.Therefore; Before computational load; Can be that various types of traffic is provided with corresponding weight respectively also according to the employed channel type of different service types; According to the type of service of current center cell and each adjacent cell thereof, the quantity and the pairing weight of various types of traffic of various types of traffic, calculate the load of each sub-district then.For example, in an embodiment of the present invention, a type of service weight table can be set in advance, in order to the pairing weight of record various types of traffic.Above-mentioned set type of service weight table can be as shown in the table:

Type of service	Weight
		Video telephone (VP) business	10
AMR (AMR) speech business	1
		Packet switching (PS) business	0.4
The business of DPCH is followed in use	1
		Use the business of HS-SCCH	3
Use the business of E-AGCH	3
		Use the business of HS-SICH	3
Use the business of HS-PDSCH	5
		Use the business of E-PUCH	5
?......	......

Table 3

According to the quantity and the pairing weight of each type of service of various types of traffic in current center cell and each adjacent cell thereof, through calculating the load that can obtain each sub-district.In an embodiment of the present invention, can calculate the load of each sub-district according to formula as follows:

$\mathrm{WeightedResource}=\underset{i}{\mathrm{\Σ}}{N}_i*w_i---\left(1\right)$

Wherein, WeightedResource is the load of sub-district, N _iBe the quantity of the i kind type of service in this sub-district, w _iBe the pairing weight of i kind type of service in this sub-district.

After the load that obtains each sub-district, can obtain and the corresponding load indicated value in each sub-district (Index_Resource).In specific embodiment of the present invention, in order to obtain the Index_Resource of each sub-district better, a load indicated value table as shown in the table can be set in advance, in order to write down the pairing load indicated value of various cell loads.For example, above-mentioned load indicated value table can be as shown in the table:

WeightedResourc	Index_Resource
		≤10	0
≤20	1
		≤30	2
≤40	3
		≤60	4
≤80	5
		≤100	6
≤120	7
		≤140	8
＞140	9

Table 4

As shown in table 4, when the load of certain sub-district was less than or equal to 10, the Index_Resource of this sub-district was 0; When the load of certain sub-district was less than or equal to 20, the Index_Resource of this sub-district was 1; ..., the rest may be inferred.Therefore, in specific embodiment of the present invention, can directly obtain the load indicated value of each sub-district according to the load and the above-mentioned load indicated value table that is provided with in advance of each sub-district of aforementioned calculation gained.

In an embodiment of the present invention, in order to distinguish the load indicated value of each sub-district, also can the load indicated value of current center cell be made as Index_Resource ₀And the load indicated value of all n adjacent cell that will this current center cell is made as Index_Resource respectively ₁, Index_Resource ₂..., Index_Resource _N-1And Index_Resource _nFor example, available Index_Resource _nThe load indicated value of representing n adjacent cell of current center cell.

In addition, in specific embodiment of the present invention, the execution sequence between above-mentioned steps 201,202 and 203 is not limited.Above-mentioned steps 201,202 and 203 both can have been carried out simultaneously, also can carry out according to preset execution sequence.Repeat no more at this.

Step 204:, calculate the co-frequency co-time slot integrated load of current center cell according to ISCP indicated value, down transmitting power indicated value and the load indicated value of resulting each sub-district.

After the ISCP indicated value, down transmitting power indicated value and the load indicated value that obtain each sub-district according to above-mentioned steps 201～203, can calculate the co-frequency co-time slot integrated load of current center cell.For example, can calculate the co-frequency co-time slot integrated load L of current center cell according to formula as follows ₀:

$L_0={\mathrm{\α}}_0\mathrm{Index}\_\mathrm{ISC}{P}_0+\underset{n}{\mathrm{\Σ}}{\mathrm{\α}}_n\·\mathrm{Index}\_\mathrm{ISC}{P}_n+$

${\mathrm{\β}}_0\mathrm{Index}\_\mathrm{TxP}{w}_0+\underset{n}{\mathrm{\Σ}}{\mathrm{\β}}_n\·\mathrm{Index}\_\mathrm{TxP}{w}_n+---\left(2\right)$

${\mathrm{\γ}}_0\mathrm{Index}\_R{\mathrm{esource}}_0+\underset{n}{\mathrm{\Σ}}{\mathrm{\γ}}_n\·\mathrm{Index}\_{\mathrm{Resource}}_n$

Wherein, α ₀Be the ISCP weight factor of current center cell, α _nISCP weight factor for n adjacent cell of current center cell; β ₀Be the TxPw weight factor of current center cell, β _nTxPw weight factor for n adjacent cell of current center cell; γ ₀Load weight factor for current center cell; γ _nLoad weight factor for n adjacent cell of current center cell.The value of above-mentioned each weight factor all can be provided with according to practical situations in advance.

Hence one can see that, through above-mentioned steps 201～204, and can be through calculating the co-frequency co-time slot integrated load L of current center cell ₀In addition, in specific embodiment of the present invention, can also use other similar method to calculate the co-frequency co-time slot integrated load L of current center cell according to the load metric parameter of being obtained in the step 101 ₀, concrete implementation method repeats no more at this.

Step 103 according to the co-frequency co-time slot integrated load of current center cell, is dynamically adjusted the user's of current center cell QoS index.

In this step; Can be according to the co-frequency co-time slot integrated load of the current center cell that obtains through above-mentioned steps 102; Come the dynamically user's of the current center cell of adjustment QoS index; Thereby realize dynamic adjustment, so that between load and user's QoS standard, obtain balance to user's QoS index.

Specifically, in specific embodiment of the present invention, the user's who is adjusted QoS index can comprise: power control parameters, Radio Link control (RLC) window parameter, dynamic frame branch parameter and/or dynamic channel configuration control (DCCC) parameter etc.

Wherein, said power control parameters can comprise: block error rate target value (BLER_Target), maximum or minimum signal-to-noise target value (SNR_Target), maximum or parameters such as minimum downward special physical channel (DPCH) power, maximum or minimum high-speed physical downlink shared channel (HS-PDSCH) (HS-PDSCH) power.

Below will be by way of example, how to introduce according to the co-frequency co-time slot integrated load of current center cell, dynamically adjust the user's of current center cell QoS index:

Embodiment one: according to the co-frequency co-time slot integrated load of current center cell, dynamically adjust the BLER_Target of the employed channel of user.

In the present embodiment, said user's QoS index is BLER_Target.Specifically, when said user's QoS index is BLER_Target, can earlier the co-frequency co-time slot integrated load of current center cell and the threshold value of presetting be compared; When the co-frequency co-time slot integrated load of current center cell during, then improve the value of the BLER_Target of the employed channel of user more than or equal to preset threshold value; And, then reduce the value of the BLER_Target of the employed channel of user when the co-frequency co-time slot integrated load of current center cell during less than preset threshold value.

Perhaps; When said user's QoS index is BLER_Target; Also can the value of the BLER_Target of the employed channel of user directly be set according to the co-frequency co-time slot integrated load of above-mentioned current center cell and the BLER_Target recommendation table that is provided with in advance.

For example, a BLER_Target recommendation table can be set in advance, in order to the pairing BLER_Target recommendation of the value that writes down various co-frequency co-time slot integrated loads.For example, above-mentioned set BLER_Target recommendation table can be as shown in the table:

L 0	BLER_Target recommendation (%)
		1	0.1
2	0.5
		3	1.0
4	1.5
		......	......

Table 5

Wherein, the BLER_Target recommendation in the above-mentioned BLER_Target recommendation table, professional applicable to ARM.Therefore, in specific embodiment of the present invention, can use and above-mentioned similar method, be different users or the different BLER_Target recommendation table of business setting.Concrete method to set up repeats no more at this.

Then, according to the co-frequency co-time slot integrated load of current center cell and above-mentioned BLER_Target recommendation table, the value of the BLER_Target of the employed channel of user can be set directly.

In the foregoing description one, what adjusted is the value of the BLER_Target in user's the QoS index.According to the similar method of embodiment; Can also adjust the value of other parameter (for example, maximum/minimum SNR_Target, maximum/minimum descending DPCH power, maximum/minimum HS-PDSCH power, RLC window parameter, dynamic frame divide parameter, DCCC parameter etc.) in user's the QoS index.

For example, when the user's who is adjusted QoS index is the RLC window parameter, can be according to the co-frequency co-time slot integrated load of current center cell and the RLC window recommendation table that is provided with in advance, the length that increases or dwindle the RLC window;

When the user's who is adjusted QoS index is dynamic frame branch parameter, can divide attitude number of users recommendation table according to the co-frequency co-time slot integrated load of current center cell and the frame that is provided with in advance, increase or reduce the number of users that switches to frame branch attitude;

When the user's who is adjusted QoS index is the DCCC parameter; Can improve or reduce the message transmission rate of certain customers through dynamic channel configuration control according to the co-frequency co-time slot integrated load of current center cell and the message transmission rate recommendation table that is provided with in advance.

Wherein, above-mentioned RLC window recommendation table, frame divide the method to set up of method to set up and above-mentioned BLER_Target recommendation table of attitude number of users recommendation table and message transmission rate recommendation table similar, and therefore, concrete implementation repeats no more at this.

To sum up can know; In the method for the dynamic adjustment QoS index that in specific embodiment of the present invention, is proposed; Owing to can obtain the load metric parameter of current center cell and each adjacent cell thereof earlier,, calculate the co-frequency co-time slot integrated load of current center cell then according to the load metric parameter of being obtained; And, dynamically adjust the user's of current center cell QoS index according to the co-frequency co-time slot integrated load of current center cell; Therefore,, can adjust user's QoS index in real time, for example, improve user's QoS index, to improve user's Experience Degree in low load area/period according to the actual loading situation through using the method for above-mentioned dynamic adjustment QoS index; Then reduce the QoS index of unique user in high load area/period, guaranteeing the number of users of the whole network, thereby can between load and user's QoS index, obtain balance.

In addition, in specific embodiment of the present invention,, when dynamically adjusting user's the QoS index of current center cell, can also further come dynamically adjustment user's QoS index according to user's priority at co-frequency co-time slot integrated load according to current center cell.For example, when user's priority high (for example, VIP user or special drive test user), even under the situation of high capacity, also can improve user's QoS index, to satisfy the demand of high-priority users.

The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being made, is equal to replacement, improvement etc., all should be included within the scope that the present invention protects.

Claims (17)

1. dynamic method of adjustment QoS index is characterized in that this method comprises:

Obtain the load metric parameter of current center cell and each adjacent cell thereof;

According to the load metric parameter of being obtained, calculate the co-frequency co-time slot integrated load of current center cell;

According to the co-frequency co-time slot integrated load of current center cell, dynamically adjust the user's of current center cell QoS index.

2. method according to claim 1 is characterized in that:

Said load metric parameter comprises: the quantity of type of service, various types of traffic, uplink interference signal code power and down transmitting power.

3. method according to claim 1 is characterized in that, and is said according to the load metric parameter of being obtained, and the co-frequency co-time slot integrated load that calculates current center cell comprises:

Preestablish one-period;

Every at a distance from one-period according to the load metric calculation of parameter of the being obtained co-frequency co-time slot integrated load of current center cell once.

4. method according to claim 1 is characterized in that, and is said according to the load metric parameter of being obtained, and the co-frequency co-time slot integrated load that calculates current center cell comprises:

According to the uplink interference signal code power ISCP of current center cell and each adjacent cell thereof, obtain the ISCP indicated value of each sub-district;

According to the down transmitting power of current center cell and each adjacent cell thereof, obtain the down transmitting power indicated value of each sub-district;

According to the type of service of current center cell and each adjacent cell thereof and the quantity of various types of traffic, calculate the load of each sub-district, and obtain the load indicated value of each sub-district according to the load of each sub-district;

According to ISCP indicated value, down transmitting power indicated value and the load indicated value of resulting each sub-district, calculate the co-frequency co-time slot integrated load of current center cell.

5. method according to claim 4 is characterized in that, said up ISCP according to current center cell and each adjacent cell thereof, and the ISCP indicated value that obtains each sub-district comprises:

An ISCP indicated value table is set in advance, in order to the pairing ISCP indicated value of the value that writes down various up ISCP;

According to the up ISCP and the said ISCP indicated value table of current center cell and each adjacent cell thereof, obtain the ISCP indicated value of each sub-district.

6. method according to claim 4 is characterized in that, said down transmitting power according to current center cell and each adjacent cell thereof, and the down transmitting power indicated value that obtains each sub-district comprises:

A down transmitting power indicated value table is set in advance, in order to the pairing down transmitting power indicated value of the value that writes down various down transmitting powers;

According to the up ISCP and the said down transmitting power indicated value table of current center cell and each adjacent cell thereof, obtain the down transmitting power indicated value of each sub-district.

7. method according to claim 4 is characterized in that, said according to the type of service of current center cell and each adjacent cell thereof and the quantity of various types of traffic, the load of calculating each sub-district comprises:

According to the employed channel type of different service types is that various types of traffic is provided with corresponding weight respectively;

According to the quantity and the pairing weight of various types of traffic of various types of traffic in current center cell and each adjacent cell thereof, calculate the load of each sub-district.

8. method according to claim 7 is characterized in that, the formula that calculates the load of each sub-district is:

$\mathrm{WeightedResource}=\underset{i}{\mathrm{\Σ}}{N}_i*w_i$

Wherein, WeightedResource is the load of sub-district, N _iBe the quantity of the i kind type of service in the said sub-district, w _iBe the pairing weight of i kind type of service in the said sub-district.

9. according to claim 4,7 or 8 described methods, it is characterized in that the load indicated value that said load according to each sub-district obtains each sub-district comprises:

A load indicated value table is set in advance, in order to write down the pairing load indicated value of various cell loads;

According to the load and the said load indicated value table of each sub-district, obtain the load indicated value of each sub-district.

10. method according to claim 4 is characterized in that, the formula of the co-frequency co-time slot integrated load of the current center cell of said calculating is:

$L_0={\mathrm{\α}}_0\mathrm{Index}\_\mathrm{ISC}{P}_0+\underset{n}{\mathrm{\Σ}}{\mathrm{\α}}_n\·\mathrm{Index}\_\mathrm{ISC}{P}_n+$

${\mathrm{\β}}_0\mathrm{Index}\_\mathrm{TxP}{w}_0+\underset{n}{\mathrm{\Σ}}{\mathrm{\β}}_n\·\mathrm{Index}\_\mathrm{TxP}{w}_n+$

${\mathrm{\γ}}_0\mathrm{Index}\_R{\mathrm{esource}}_0+\underset{n}{\mathrm{\Σ}}{\mathrm{\γ}}_n\·\mathrm{Index}\_{\mathrm{Resource}}_n$

Wherein, L ₀Co-frequency co-time slot integrated load for current center cell; α ₀Be the ISCP weight factor of current center cell, Index_ISCP ₀Be the ISCP indicated value of current center cell, α _nBe the ISCP weight factor of n adjacent cell of current center cell, Index ISCP _nISCP indicated value for n adjacent cell of current center cell;

β ₀Be the down transmitting power weight factor of current center cell, Index_TxPw ₀Be the down transmitting power indicated value of current center cell, β _nBe the down transmitting power weight factor of n adjacent cell of current center cell, Index_TxPw _nDown transmitting power indicated value for n adjacent cell of current center cell;

γ ₀Be the load weight factor of current center cell, Index_Resource ₀Be the load indicated value of current center cell, γ _nBe the load weight factor of n adjacent cell of current center cell, Index_Resource _nLoad indicated value for n adjacent cell of current center cell.

11. method according to claim 1 is characterized in that, said user's QoS index is: power control parameters, Radio Link control window parameter, dynamic frame branch parameter and/or dynamic channel configuration Control Parameter.

12. method according to claim 11 is characterized in that, said power control parameters is:

Block error rate target value, maximum or minimum signal-to-noise target value, maximum or minimum downward special physical channel power, maximum or minimum high-speed physical downlink shared channel (HS-PDSCH) power.

13. method according to claim 12 is characterized in that, said co-frequency co-time slot integrated load according to current center cell, and the QoS index of dynamically adjusting the user of current center cell comprises:

When said user's QoS index is the block error rate target value, the co-frequency co-time slot integrated load of current center cell and the threshold value of presetting are compared;

When the co-frequency co-time slot integrated load of current center cell during, improve the value of the block error rate target value of the employed channel of user more than or equal to preset threshold value; And, then reduce the value of the block error rate target value of the employed channel of user when the co-frequency co-time slot integrated load of current center cell during less than preset threshold value.

14. method according to claim 12 is characterized in that, said co-frequency co-time slot integrated load according to current center cell, and the QoS index of dynamically adjusting the user of current center cell comprises:

When said user's QoS index is the block error rate target value, a block error rate target value recommendation table is set in advance, in order to the pairing block error rate target value of the value that writes down various co-frequency co-time slot integrated loads recommendation;

According to the co-frequency co-time slot integrated load and the said block error rate target value recommendation table of current center cell, the value of the block error rate target value of the employed channel of user is set.

15. method according to claim 11 is characterized in that, said co-frequency co-time slot integrated load according to current center cell, and the QoS index of dynamically adjusting the user of current center cell comprises:

When said user's QoS index is Radio Link control window parameter, according to the Radio Link control window recommendation table of the co-frequency co-time slot integrated load of current center cell and setting in advance, the length that increases or dwindle Radio Link control window.

16. method according to claim 11 is characterized in that, said co-frequency co-time slot integrated load according to current center cell, and the QoS index of dynamically adjusting the user of current center cell comprises:

When said user's QoS index is dynamic frame branch parameter, according to the co-frequency co-time slot integrated load of current center cell and the frame that is provided with in advance divide attitude number of users recommendation table, increase or reduce the number of users that switches to frame branch attitude.

17. method according to claim 11 is characterized in that, said co-frequency co-time slot integrated load according to current center cell, and the QoS index of dynamically adjusting the user of current center cell comprises:

When the user's who is adjusted QoS index is dynamic channel configuration Control Parameter; According to the co-frequency co-time slot integrated load of current center cell and the message transmission rate recommendation table that is provided with in advance, improve or reduce the message transmission rate of certain customers through dynamic channel configuration control.

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