CN105813215A - Method and device for bearing dispatching based on QCI - Google Patents
Method and device for bearing dispatching based on QCI Download PDFInfo
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- CN105813215A CN105813215A CN201410853623.3A CN201410853623A CN105813215A CN 105813215 A CN105813215 A CN 105813215A CN 201410853623 A CN201410853623 A CN 201410853623A CN 105813215 A CN105813215 A CN 105813215A
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Abstract
The objective of the invention lies in providing a method and device for the bearing dispatching based on QCI. The method comprises the following steps executed by SPR: receiving a bearing building request corresponding to UE, wherein the bearing building request comprises a QCI priority corresponding to to-be-built bearing; updating the QCI priority according to a QCI configuration rule when the QCI priority does not meet the QCI configuration rule in the SPR, so as to enable the QCI priority of downlink bearing corresponding to the UE to be higher than the QCI priority of uplink bearing corresponding to the UE. According to the invention, the method also comprises the following step executed by eNB: determining the dispatching priority corresponding to the to-be-built bearing according to the QCI priority corresponding to the to-be-built bearing through combining with the one or many pieces of other related reference information, wherein the weight information of the QCI priority is higher than the weight information of one of pieces of other related reference information.
Description
Technical field
The present invention relates to wireless communication technology field, particularly relate to based on the QCI method and apparatus carrying out carrying scheduling.
Background technology
In LTE communication system, setting up based on transmission control protocol (TransmissionControlProtocol, in the process of the up carrying/downlink bearing of business TCP), mobile management entity (MME, mobile management entity) can based on predetermined standardized QoS class letter (QoSclassidentifier, QCI) characteristic information as shown in table 1 below for waiting to set up carrying distribution QCI priority.
Table 1
Wherein, the QCI shown in table 1 includes the QCI priority for indicating qos requirement, and each QCI priority corresponds respectively to the resource type of different requirement, Packet Delay budget and wrong report Loss Rate.Usual QCI priority represents with numeric form, and numerical value is more little, and the QCI priority of corresponding carrying is more high.Wherein, resource type can be divided into guarantee bit rate (GuaranteedBitRate, GBR) and non-ensured bit rate (Non-GBR) two types.
Then, MME is via home subscriber server (HomeSubscriberServer, and "Policy and Charging Rules Function (PolicyandChargingRuleFunction HSS), PCRF), send to user property memorizer (SubscriptionProfileRepository, SPR) and create carrying request and receive the establishment carrying response corresponding with this establishment carrying request of SPR feedback.
Then, MME sends carrying to evolution base station (EvolvedNodeB, eNB) and sets up request, to initiate loading establishing process.Then, eNB sends RRC to UE and connects reconfiguration information, thus setting up the Data Radio Bearer (DataRadioBearer, DRB) of the up carrying/downlink bearing of TCP.UE carries out priority of logical channels (LogicalChannelPrioritization) process according to the priority of logical channels information read from RRC connection reconfiguration information, to distribute the resource transmitting this carrying.At this, priority of logical channels information is corresponding to the MME QCI priority distributed.
But, based on the mode of prior art, when UE exists the up carrying of TCP and downlink bearing simultaneously, and the priority of up carrying more than the priority of this downlink bearing time, elder generation's Resources allocation is transmitted TCP upstream data by UE.So, if TCP waiting for transmission up carrying data are more, TCP acknowledgment information (TCPACK) in TCP downlink data will be unable to be timely fed back to corresponding business transmitting terminal, thus causing that TCP flow amount controls or congestion control, and then affects the performance of TCP service.
Summary of the invention
It is an object of the invention to provide a kind of based on the QCI method and apparatus carrying out carrying scheduling.
According to an aspect of the invention, it is provided a kind of in SPR for determining the method for QCI of carrying, wherein, in the process being used for setting up the carrying corresponding with a UE, said method comprising the steps of:
A receives the foundation carrying request corresponding with described UE, wherein, comprises and wait to set up the QCI priority that carrying is corresponding in this foundation carrying request；
B is when described QCI priority is unsatisfactory for the QCI configuration rule in described SPR, described QCI priority is updated, so that the QCI priority of the downlink bearing corresponding with described UE is more than the QCI priority of the up carrying corresponding with described UE according to described QCI configuration rule.
According to an aspect of the present invention, additionally provide a kind of in the enb for determining the method carrying dispatching sequence, wherein, said method comprising the steps of:
-carry corresponding QCI priority according to waiting to set up, in conjunction with other one or more coherent reference information, determining and wait with this to set up the dispatching priority that carrying is corresponding, wherein, the weight information of described QCI priority is higher than the weight information any one of described one or more coherent reference information.
According to an aspect of the present invention, additionally providing the SPR of a kind of QCI for determining carrying, wherein, described SPR includes:
Receive device, for receiving the foundation carrying request corresponding with described UE, wherein, this foundation carrying request comprises and waits to set up the QCI priority that carrying is corresponding；
Updating device, for when described QCI priority is unsatisfactory for the QCI configuration rule in described SPR, described QCI priority is updated, so that the QCI priority of the downlink bearing corresponding with described UE is more than the QCI priority of the up carrying corresponding with described UE according to described QCI configuration rule.
According to an aspect of the present invention, additionally providing a kind of eNB for determining carrying dispatching sequence, wherein, described eNB includes:
Device is determined in scheduling, for carrying corresponding QCI priority according to waiting to set up, in conjunction with other one or more coherent reference information, determine and wait with this to set up the dispatching priority that carrying is corresponding, wherein, the weight information of described QCI priority is higher than the weight information any one of described one or more coherent reference information.
Compared with prior art, the invention have the advantages that can based on QCI configuration rule in SPR, the QCI priority of carrying to be set up in UE is updated, and determine dispatch priority accordingly based on the QCI priority after updating in the enb, make the scheduling priority scheduling priority more than the up carrying corresponding with this UE of the downlink bearing corresponding with UE, thus ensureing that the TCPACK that in TCP downlink data, flow is less can be transmitted in time, improve the performance of TCP downlink data transmission, and the impact of TCP transmitting uplink data is less.
Accompanying drawing explanation
By reading the detailed description that non-limiting example is made made with reference to the following drawings, the other features, objects and advantages of the present invention will become more apparent upon:
Fig. 1 illustrates a kind of method flow diagram carrying out carrying scheduling based on QCI according to the present invention；
Fig. 2 illustrates the SPR of a kind of QCI for determining carrying according to the present invention and for determining the structural representation of the eNB of carrying dispatching sequence；
Fig. 3 illustrates the flow chart setting up TCP carrying in LTE communication system that according to the present invention is exemplary.
In accompanying drawing, same or analogous accompanying drawing labelling represents same or analogous parts.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Fig. 1 illustrates a kind of method flow diagram carrying out carrying scheduling based on QCI according to the present invention.The method according to the invention includes the step S101 and the step S102 that are performed by SPR and the step S201 performed by eNB.
Wherein, it is contained in LTE communication system according to SPR and the eNB of the present invention.
Wherein, the method according to the invention is contained in the process setting up the carrying corresponding with a UE.
Preferably, the up carrying/downlink bearing based on TCP traffic is included according to the carrying of the present invention.
Preferably, representing with numeric form according to the QCI priority of the present invention, numerical value is more big, and the QCI priority level of its correspondence is more low.
With reference to Fig. 1, in step S101, SPR receives the foundation carrying request corresponding with described UE.
Wherein, this foundation carrying request comprise and wait to set up the QCI priority that carrying is corresponding.
Then, in step s 102, when described QCI priority is unsatisfactory for the QCI configuration rule in described SPR, SPR updates described QCI priority according to described QCI configuration rule, so that the QCI priority of the downlink bearing corresponding with described UE is more than the QCI priority of the up carrying corresponding with described UE.
Wherein, described QCI configuration rule includes the various QCI priority rule more than the QCI priority of the up carrying corresponding with described UE making the downlink bearing corresponding with described UE.Preferably, described QCI configuration rule also includes: the preferred bit rate of downlink bearing is infinity.
Specifically, SPR first determines whether described QCI priority meets the QCI configuration rule of self storage, and when described QCI priority is unsatisfactory for described QCI configuration rule, SPR updates described QCI priority according to described QCI configuration rule.
According to a preferred embodiment of the invention, described QCI configuration rule includes predetermined, to correspond respectively to up carrying/downlink bearing QCI with reference to priority, and described step S102 also includes step S1021 (not shown).
In step S1021, SPR according to described in treat that foundation is carried as up carrying/downlink bearing, it is based respectively on the QCI corresponding with up carrying/downlink bearing with reference to priority to update described QCI priority, so that the QCI priority of the downlink bearing corresponding with described UE is more than the QCI priority of the up carrying corresponding with described UE.
Preferably, described QCI reference priority, for indicating the fixing QCI priority corresponding with up carrying/downlink bearing, when when the QCI priority setting up carrying is inconsistent with reference priority, is changed to and is stated QCI with reference to the QCI priority indicated by priority.
Such as, the reference QCI priority of downlink bearing is 7, and the reference QCI priority of up carrying is 8, if treating that foundation is carried as up carrying, and setting up received by SPR is distributed to this and is waited that the QCI priority setting up carrying is 6 in carrying request, then its QCI priority update is 8 by SPR.
Preferably, described QCI may also include the span of predetermined QCI priority with reference to priority, when when the QCI priority setting up carrying is inconsistent with the span of reference priority, changed to and met the QCI QCI priority with reference to the span indicated by priority.
Such as, the reference QCI priority of downlink bearing is 6 or 7, the reference QCI priority of up carrying is 8 or 9, if treating that foundation is carried as up carrying, and setting up received by SPR is distributed to this and is waited that setting up the QCI priority carried is 5 in carrying request, then be 8 or 9 by this QCI priority update.
The first example according to the present invention, illustrates, with reference to Fig. 3, Fig. 3, the flow chart setting up TCP carrying in LTE communication system that according to the present invention is exemplary.Wherein, this LTE communication system includes UE, eNB, MME, HSS, PCRF and SPR.In SPR, the QCI configuration rule of pre-stored includes: the reference QCI priority of downlink bearing is 6, and the reference QCI priority of up carrying is 9.In the process setting up the up carrying bear_1 corresponding with electronic mail service, UE sends bearing resource distribution request via eNB to MME, MME is after receiving the distribution request of this bearing resource, it is 6 based on the QCI priority that the QCI standard information shown in upper table 1 is this carrying bear_1 distribution, then MME is via HSS and PCRF, sending to SPR and create carrying solicited message, this foundation carrying request comprises the QCI priority 6 corresponding with carrying bear_1.SPR receives the foundation carrying request corresponding with this UE in step S101.Then, SPR is up carrying according to carrying bear_1, thus based on reference QCI priority 9 corresponding with up carrying in QCI configuration rule, QCI priority 6 current for this carrying bear_1 is updated to 9 so that the QCI priority of the downlink bearing corresponding with this UE is more than the QCI priority of the up carrying corresponding with described UE.
According to another preferred embodiment of the present invention, described QCI configuration rule indicates the QCI priority of each downlink bearing to be consistently greater than the QCI priority of each up carrying, method according to this preferred embodiment also includes step S103 (not shown) and step S104 (not shown), and described step S102 also includes step S1021 ' (not shown).
In step s 103, SPR obtains the QCI of described UE and records information, and this QCI records information and includes the history QCI priority of the one or more downlink bearings set up corresponding with this UE.
Wherein, the mode of SPR acquisition described QCI record information includes but not limited to any one mode following:
1) the history QCI priority of the one or more downlink bearings set up corresponding with this UE of self storage is directly obtained.
2) described QCI record information is obtained from the data base of other history QCI priority storing the one or more downlink bearings set up corresponding with this UE.
Preferably, this QCI record comprises the last time and distribute to the history QCI priority of the downlink bearing corresponding with this UE.
In step S104, the QCI priority obtained is compared by SPR with each the history QCI priority in described QCI record information, to determine whether this QCI priority meets described QCI configuration rule.
Specifically, each the history QCI priority in the QCI priority obtained and described QCI record information is compared by SPR, by determine include but not limited in the way of whether this QCI priority meets described QCI configuration rule following any one:
1) when being carried as up carrying until foundation, if its QCI priority is higher than the minimum history QCI priority in described priority record information, it is determined that described current QCI is unsatisfactory for described QCI configuration rule.
The second example according to the present invention, the QCI configuration rule in SPR includes: the QCI priority of each downlink bearing is consistently greater than the QCI priority of each up carrying.In the process setting up up carrying bear_2, SPR receives the set up carrying request corresponding with this UE in step S101 and this foundation carrying request comprises the QCI priority " 7 " corresponding with carrying bear_2.The QCI that SPR gets in step s 103 records information and includes: the history QCI priority " 8 " corresponding with a UE, the QCI priority " 7 " setting up up carrying bear_2 corresponding with this UE in carrying request is compared by SPR with the history QCI priority in this QCI record information, and determine that the QCI priority of this up carrying bear_2 is higher than history priority " 8 " therein, it is determined that QCI priority " 7 " of this up carrying bear_2 is unsatisfactory for described QCI configuration rule.
2) described QCI configuration rule also includes: the not least priority of QCI priority of the downlink bearing corresponding with described UE.When being carried as downlink bearing until foundation, if its QCI priority is the lowest priority at least one QCI priority that TCP service is corresponding, it is determined that described current QCI is unsatisfactory for described QCI configuration rule.
3) described QCI configuration rule also includes: the non-limit priority of QCI priority of the up carrying corresponding with described UE.When being carried as up carrying until foundation, if its QCI priority is the limit priority at least one QCI priority that TCP service is corresponding, it is determined that described current QCI is unsatisfactory for described QCI configuration rule.
Then, in step S1021 ', when described QCI priority is unsatisfactory for the QCI configuration rule in described SPR, SPR records information updating according to described QCI and waits to set up the QCI priority that carrying is corresponding, so that the QCI priority of the downlink bearing corresponding with described UE is always above the QCI priority of the up carrying corresponding with described UE.
Continue foregoing second example is illustrated, it is 9 that SPR records information by the QCI priority update of this up carrying bear_2 according to described QCI, so that the QCI priority of the downlink bearing corresponding with described UE is higher than the QCI priority of the up carrying corresponding with described UE.
With continued reference to Fig. 1, the method according to the invention also includes step S105 (not shown).
In step S105, SPR generates based on the QCI priority after updating and sets up, with described, the foundation carrying response that carrying request is corresponding, to feed back.
Continue foregoing First example is illustrated, SPR carries, based on QCI priority 9 generation corresponding with carrying bear_1 after updating and foundation, the foundation carrying response message that request is corresponding, so that the QCI priority 9 carrying bear_1 after renewal is fed back to MME via PCRF and HSS.
With continued reference to Fig. 1, the method according to the invention also includes the step S201 performed by eNB.
In step s 201, eNB carries corresponding QCI priority according to waiting to set up, in conjunction with other one or more coherent reference information, it is determined that wait with this to set up the dispatching priority that carrying is corresponding.
Wherein, described dispatching priority includes but not limited to priority of logical channels.
Wherein, the weight information of described QCI priority is higher than the weight information any one of described one or more coherent reference information.
Wherein, described coherent reference information includes but not limited to and waits to set up the following at least any one information that carrying is corresponding:
1) Delay Priority determined based on Delay；Such as, the priority waiting to set up the time delay that time delay is 100ms to 200ms predetermined in 120ms, eNB of carrying corresponding is 3, it is determined that wait that the Delay Priority setting up carrying is 3.
2) the handling capacity priority determined based on throughput information.
Specifically, eNB according to wait to set up QCI priority corresponding to carrying, and based on predetermined with QCI priority and other one or more respective weight informations of coherent reference information described, it is determined that wait to set up the dispatching priority of carrying correspondence.
Preferably, eNB pays the utmost attention to and carries corresponding QCI priority according to waiting to set up, and determines and waits with this to set up the dispatching priority that carrying is corresponding, so that this dispatching priority is consistent with the priority of QCI priority.Such as, when, in time setting up the QCI priority height of carrying, the dispatching priority of its correspondence is also corresponding more high.
Continue foregoing First example is illustrated, eNB determining, the computation rule waiting to set up dispatching priority corresponding to carrying includes: preferentially according to QCI priority, carrying is ranked up, and then based on handling capacity priority to carrying sequence.Wherein, the carrying corresponding with same UE that eNB currently obtains includes up carrying bear_1 and downlink bearing bear_3, and wherein, the QCI priority of bear_1 is 9, and handling capacity priority is the QCI priority of 3, bear_3 is 8, and handling capacity priority is 2.Then eNB is based on this computation rule, the dispatching priority higher than up carrying bear_1 is determined for downlink bearing bear_3, and this dispatching priority determined is contained in RRC connects in reconfiguration information and send to UE, thus completing to set up the subsequent operation of carrying bear_1 and bear_3.
The method according to the invention, can based on QCI configuration rule in SPR, the QCI priority of carrying to be set up in UE is updated, and determine dispatch priority accordingly based on the QCI priority after updating in the enb, make the scheduling priority scheduling priority more than the up carrying corresponding with this UE of the downlink bearing corresponding with UE, thus ensureing that the TCPACK that in TCP downlink data, flow is less can be transmitted in time, improve the performance of TCP downlink data transmission, and the impact of TCP transmitting uplink data is less.
Fig. 2 illustrates the SPR of a kind of QCI for determining carrying according to the present invention and for determining the structural representation of the eNB of carrying dispatching sequence.SPR according to the present invention includes receiving device 101 and updating device 102, includes scheduling according to the eNB of the present invention and determines device 201.
With reference to Fig. 2, receive device 101 and receive the foundation carrying request corresponding with described UE.
Wherein, this foundation carrying request comprise and wait to set up the QCI priority that carrying is corresponding.
Then, when described QCI priority is unsatisfactory for the QCI configuration rule in described SPR, updating device 102 updates described QCI priority according to described QCI configuration rule, so that the QCI priority of the downlink bearing corresponding with described UE is more than the QCI priority of the up carrying corresponding with described UE.
Wherein, described QCI configuration rule includes the various QCI priority rule more than the QCI priority of the up carrying corresponding with described UE making the downlink bearing corresponding with described UE.Preferably, described QCI configuration rule also includes: the preferred bit rate of downlink bearing is infinity.
Specifically, SPR first determines whether described QCI priority meets the QCI configuration rule of self storage, and when described QCI priority is unsatisfactory for described QCI configuration rule, updating device 102 updates described QCI priority according to described QCI configuration rule.
According to a preferred embodiment of the invention, described QCI configuration rule includes predetermined, to correspond respectively to up carrying/downlink bearing QCI with reference to priority, and described updating device 102 also includes the first updating device (not shown).
First updating device according to described in treat that foundation is carried as up carrying/downlink bearing, it is based respectively on the QCI corresponding with up carrying/downlink bearing with reference to priority to update described QCI priority, so that the QCI priority of the downlink bearing corresponding with described UE is more than the QCI priority of the up carrying corresponding with described UE.
Preferably, described QCI reference priority, for indicating the fixing QCI priority corresponding with up carrying/downlink bearing, when when the QCI priority setting up carrying is inconsistent with reference priority, is changed to and is stated QCI with reference to the QCI priority indicated by priority.
Such as, the reference QCI priority of downlink bearing is 7, and the reference QCI priority of up carrying is 8, if treating that foundation is carried as up carrying, and receiving and being distributed to this QCI priority treating foundation carrying in the foundation carrying request received by device 101 is 6, is 8 by its QCI priority update.
Preferably, described QCI may also include the span of predetermined QCI priority with reference to priority, when when the QCI priority setting up carrying is inconsistent with the span of reference priority, changed to and met the QCI QCI priority with reference to the span indicated by priority.
Such as, the reference QCI priority of downlink bearing is 6 or 7, the reference QCI priority of up carrying is 8 or 9, if treating that foundation is carried as up carrying, and setting up received by SPR is distributed to this and is waited that setting up the QCI priority carried is 5 in carrying request, then be 8 or 9 by this QCI priority update.
The first example according to the present invention, illustrates, with reference to Fig. 3, Fig. 3, the flow chart setting up TCP carrying in LTE communication system that according to the present invention is exemplary.Wherein, this LTE communication system includes UE, eNB, MME, HSS, PCRF and SPR.In SPR, the QCI configuration rule of pre-stored includes: the reference QCI priority of downlink bearing is 6, and the reference QCI priority of up carrying is 9.In the process setting up the up carrying bear_1 corresponding with electronic mail service, UE sends bearing resource distribution request via eNB to MME, MME is after receiving the distribution request of this bearing resource, it is 6 based on the QCI priority that the QCI standard information shown in upper table 1 is this carrying bear_1 distribution, then MME is via HSS and PCRF, sending to SPR and create carrying solicited message, this foundation carrying request comprises the QCI priority 6 corresponding with carrying bear_1.Receive device 101 and receive the foundation carrying request corresponding with this UE.Then, first updating device is up carrying according to carrying bear_1, thus based on reference QCI priority 9 corresponding with up carrying in QCI configuration rule, QCI priority 6 current for this carrying bear_1 is updated to 9 so that the QCI priority of the downlink bearing corresponding with this UE is more than the QCI priority of the up carrying corresponding with described UE.
According to another preferred embodiment of the present invention, described QCI configuration rule indicates the QCI priority of each downlink bearing to be consistently greater than the QCI priority of each up carrying, SPR according to this preferred embodiment also includes acquisition device (not shown) and comparison means (not shown), and described updating device 102 also includes the second updating device (not shown).
Acquisition device obtains the QCI of described UE and records information, and this QCI records information and includes the history QCI priority of the one or more downlink bearings set up corresponding with this UE.
Wherein, the mode of acquisition device acquisition described QCI record information includes but not limited to any one mode following:
1) the history QCI priority of the one or more downlink bearings set up corresponding with this UE of self storage is directly obtained.
2) described QCI record information is obtained from the data base of other history QCI priority storing the one or more downlink bearings set up corresponding with this UE.
Preferably, this QCI record comprises the last time and distribute to the history QCI priority of the downlink bearing corresponding with this UE.
The QCI priority obtained is compared by comparison means with each the history QCI priority in described QCI record information, to determine whether this QCI priority meets described QCI configuration rule.
Specifically, each the history QCI priority in the QCI priority obtained and described QCI record information is compared by comparison means, by determine include but not limited in the way of whether this QCI priority meets described QCI configuration rule following any one:
1) when being carried as up carrying until foundation, if its QCI priority is higher than the minimum history QCI priority in described priority record information, it is determined that described current QCI is unsatisfactory for described QCI configuration rule.
The second example according to the present invention, the QCI configuration rule in SPR includes: the QCI priority of each downlink bearing is consistently greater than the QCI priority of each up carrying.In the process setting up up carrying bear_2, reception device 101 receives the set up carrying request corresponding with this UE and this foundation carrying asks to comprise the QCI priority " 7 " corresponding with carrying bear_2.The QCI that acquisition device gets records information and includes: the history QCI priority " 8 " corresponding with a UE, the QCI priority " 7 " setting up up carrying bear_2 corresponding with this UE in carrying request is compared by comparison means with the history QCI priority in this QCI record information, and determining that the QCI priority of this up carrying bear_2 is higher than history priority " 8 " therein, then SPR determines that QCI priority " 7 " of this up carrying bear_2 is unsatisfactory for described QCI configuration rule.
2) described QCI configuration rule also includes: the not least priority of QCI priority of the downlink bearing corresponding with described UE.When being carried as downlink bearing until foundation, if its QCI priority is the lowest priority at least one QCI priority that TCP service is corresponding, it is determined that described current QCI is unsatisfactory for described QCI configuration rule.
3) described QCI configuration rule also includes: the non-limit priority of QCI priority of the up carrying corresponding with described UE.When being carried as up carrying until foundation, if its QCI priority is the limit priority at least one QCI priority that TCP service is corresponding, it is determined that described current QCI is unsatisfactory for described QCI configuration rule.
Then, when described QCI priority is unsatisfactory for the QCI configuration rule in described SPR, second updating device records information updating according to described QCI and waits to set up the QCI priority that carrying is corresponding, so that the QCI priority of the downlink bearing corresponding with described UE is always above the QCI priority of the up carrying corresponding with described UE.
Continue foregoing second example is illustrated, it is 9 that second updating device records information by the QCI priority update of this up carrying bear_2 according to described QCI, so that the QCI priority of the downlink bearing corresponding with described UE is higher than the QCI priority of the up carrying corresponding with described UE.
With continued reference to Fig. 2, also include response according to the SPR of the present invention and generate device (not shown).
Response generates device and generates the foundation carrying response corresponding with described foundation carrying request based on the QCI priority after updating, to feed back.
Continue foregoing First example is illustrated, response generates device and carries response message based on the foundation that QCI priority 9 generation corresponding with carrying bear_1 after updating is corresponding with setting up carrying request, feeds back to MME with the QCI priority 9 by the carrying bear_1 after renewal via PCRF and HSS.
With continued reference to Fig. 2, include scheduling according to the eNB of the present invention and determine device 201.
Scheduling determines that device 201 carries corresponding QCI priority according to waiting to set up, in conjunction with other one or more coherent reference information, it is determined that wait with this to set up the dispatching priority that carrying is corresponding.
Wherein, described dispatching priority includes but not limited to priority of logical channels.
Wherein, the weight information of described QCI priority is higher than the weight information any one of described one or more coherent reference information.
Wherein, described coherent reference information includes but not limited to and waits to set up the following at least any one information that carrying is corresponding:
1) Delay Priority determined based on Delay；Such as, the priority waiting to set up the time delay that time delay is 100ms to 200ms predetermined in 120ms, eNB of carrying corresponding is 3, it is determined that wait that the Delay Priority setting up carrying is 3.
2) the handling capacity priority determined based on throughput information.
Specifically, scheduling determine device 201 according to wait to set up QCI priority corresponding to carrying, and based on predetermined with QCI priority and other one or more respective weight informations of coherent reference information described, it is determined that wait to set up the dispatching priority of carrying correspondence.
Preferably, scheduling is determined that device 201 is paid the utmost attention to and is carried corresponding QCI priority according to waiting to set up, and determines and waits with this to set up the dispatching priority that carrying is corresponding, so that this dispatching priority is consistent with the priority of QCI priority.Such as, when, in time setting up the QCI priority height of carrying, the dispatching priority of its correspondence is also corresponding more high.
Continue foregoing First example is illustrated, eNB determining, the computation rule waiting to set up dispatching priority corresponding to carrying includes: preferentially according to QCI priority, carrying is ranked up, and then based on handling capacity priority to carrying sequence.Wherein, the carrying corresponding with same UE that eNB currently obtains includes up carrying bear_1 and downlink bearing bear_3, and wherein, the QCI priority of bear_1 is 9, and handling capacity priority is the QCI priority of 3, bear_3 is 8, and handling capacity priority is 2.Then scheduling determines that device 201 is based on this computation rule, the dispatching priority higher than up carrying bear_1 is determined for downlink bearing bear_3, and this dispatching priority determined is contained in RRC connects in reconfiguration information and send to UE, thus completing to set up the subsequent operation of carrying bear_1 and bear_3.
According to the solution of the present invention, can based on QCI configuration rule in SPR, the QCI priority of carrying to be set up in UE is updated, and determine dispatch priority accordingly based on the QCI priority after updating in the enb, make the scheduling priority scheduling priority more than the up carrying corresponding with this UE of the downlink bearing corresponding with UE, thus ensureing that the TCPACK that in TCP downlink data, flow is less can be transmitted in time, improve the performance of TCP downlink data transmission, and the impact of TCP transmitting uplink data is less.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when without departing substantially from the spirit of the present invention or basic feature, it is possible to realize the present invention in other specific forms.Therefore, no matter from which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the invention rather than described above limits, it is intended that all changes in the implication of the equivalency dropping on claim and scope be included in the present invention.Any accompanying drawing labelling in claim should be considered as the claim that restriction is involved.Furthermore, it is to be understood that " including " word is not excluded for other unit or step, odd number is not excluded for plural number.Multiple unit or the device stated in system claims can also be realized by software or hardware by a unit or device.The first, the second word such as grade is used for representing title, and is not offered as any specific order.
Claims (15)
1. for determining a method of QCI for carrying in SPR, wherein, in the process being used for setting up the carrying corresponding with a UE, said method comprising the steps of:
A receives the foundation carrying request corresponding with described UE, wherein, comprises and wait to set up the QCI priority that carrying is corresponding in this foundation carrying request；
B is when described QCI priority is unsatisfactory for the QCI configuration rule in described SPR, described QCI priority is updated, so that the QCI priority of the downlink bearing corresponding with described UE is more than the QCI priority of the up carrying corresponding with described UE according to described QCI configuration rule.
2. method according to claim 1, wherein, described QCI configuration rule includes predetermined, to correspond respectively to up carrying/downlink bearing QCI with reference to priority, and described step b comprises the following steps:
Treat that foundation is carried as up carrying/downlink bearing described in-basis, it is based respectively on the QCI corresponding with up carrying/downlink bearing with reference to priority to update described QCI priority, so that the QCI priority of the downlink bearing corresponding with described UE is more than the QCI priority of the up carrying corresponding with described UE.
3. method according to claim 1, wherein said QCI configuration rule indicates the QCI priority of each downlink bearing to be consistently greater than the QCI priority of each up carrying, and described method is further comprising the steps of:
-the QCI that obtains described UE records information, and this QCI records information and includes the history QCI priority of the one or more downlink bearings set up corresponding with this UE.
Wherein, described method is further comprising the steps of:
The QCI priority obtained is compared by x with each the history QCI priority in described QCI record information, to determine whether this QCI priority meets described QCI configuration rule；
Wherein, described step b includes:
-when described QCI priority is unsatisfactory for the QCI configuration rule in described SPR, QCI priority described in information updating is recorded, so that the QCI priority of the downlink bearing corresponding with described UE is more than the QCI priority of the up carrying corresponding with described UE according to described QCI.
4. method according to claim 3, wherein, described step x comprises the following steps:
-when being carried as up carrying until foundation, if its QCI priority is higher than the minimum history QCI priority in described priority record information, it is determined that described current QCI is unsatisfactory for described QCI configuration rule.
5. method according to any one of claim 1 to 4, wherein, described QCI configuration rule also includes: the preferred bit rate of downlink bearing is infinity.
6. method according to any one of claim 1 to 5, wherein, described method is further comprising the steps of:
-generate the foundation carrying response corresponding with described foundation carrying request based on the QCI priority after updating, to feed back.
7., in the enb for determining the method carrying dispatching sequence, wherein, said method comprising the steps of:
-carry corresponding QCI priority according to waiting to set up, in conjunction with other one or more coherent reference information, determining and wait with this to set up the dispatching priority that carrying is corresponding, wherein, the weight information of described QCI priority is higher than the weight information any one of described one or more coherent reference information.
8., for determining a SPR of the QCI of carrying, wherein, described SPR includes:
Receive device, for receiving the foundation carrying request corresponding with described UE, wherein, this foundation carrying request comprises and waits to set up the QCI priority that carrying is corresponding；
Updating device, for when described QCI priority is unsatisfactory for the QCI configuration rule in described SPR, described QCI priority is updated, so that the QCI priority of the downlink bearing corresponding with described UE is more than the QCI priority of the up carrying corresponding with described UE according to described QCI configuration rule.
9. SPR according to claim 8, wherein, described QCI configuration rule includes predetermined, to correspond respectively to up carrying/downlink bearing QCI with reference to priority, and described updating device includes:
First updating device, described in basis, treat that foundation is carried as up carrying/downlink bearing, it is based respectively on the QCI corresponding with up carrying/downlink bearing with reference to priority to update described QCI priority, so that the QCI priority of the downlink bearing corresponding with described UE is more than the QCI priority of the up carrying corresponding with described UE.
10. SPR according to claim 8, wherein said QCI configuration rule indicates the QCI priority of each downlink bearing to be consistently greater than the QCI priority of each up carrying, and described SPR also includes:
Acquisition device, the QCI for obtaining described UE records information, and this QCI records information and includes the history QCI priority of the one or more downlink bearings set up corresponding with this UE.
Wherein, described SPR also includes:
Comparison means, for comparing the QCI priority obtained with each the history QCI priority in described QCI record information, to determine whether this QCI priority meets described QCI configuration rule；
Wherein, described updating device includes:
Second updating device, for when described QCI priority is unsatisfactory for the QCI configuration rule in described SPR, QCI priority described in information updating is recorded, so that the QCI priority of the downlink bearing corresponding with described UE is more than the QCI priority of the up carrying corresponding with described UE according to described QCI.
11. SPR according to claim 10, wherein, described comparison means includes:
Determine device, for when being carried as up carrying until foundation, if its QCI priority is higher than the minimum history QCI priority in described priority record information, it is determined that described current QCI is unsatisfactory for described QCI configuration rule.
12. according to Claim 8 to the SPR according to any one of 11, wherein, described QCI configuration rule also includes: the preferred bit rate of downlink bearing is infinity.
13. according to Claim 8 to the SPR according to any one of 12, wherein, described SPR also includes:
Response generates device, sets up, with described, the foundation carrying response that carrying request is corresponding for generating based on the QCI priority after updating, to feed back.
14. for the eNB determining carrying dispatching sequence, wherein, described eNB includes:
Device is determined in scheduling, for carrying corresponding QCI priority according to waiting to set up, in conjunction with other one or more coherent reference information, determine and wait with this to set up the dispatching priority that carrying is corresponding, wherein, the weight information of described QCI priority is higher than the weight information any one of described one or more coherent reference information.
15. a communication system, wherein, described communication system includes the SPR as according to any one of claim 8 to 13 and eNB as claimed in claim 14.
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