CN105813215B - A kind of method and apparatus that carrying scheduling is carried out based on QCI - Google Patents
A kind of method and apparatus that carrying scheduling is carried out based on QCI Download PDFInfo
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- CN105813215B CN105813215B CN201410853623.3A CN201410853623A CN105813215B CN 105813215 B CN105813215 B CN 105813215B CN 201410853623 A CN201410853623 A CN 201410853623A CN 105813215 B CN105813215 B CN 105813215B
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Abstract
The object of the present invention is to provide a kind of method and apparatus for carrying out carrying scheduling based on QCI.According to the method for the present invention include the following steps executed by SPR: receiving foundation carrying request corresponding with the UE, wherein includes QCI priority corresponding with wait establish carrying in foundation carrying request；When the QCI priority is unsatisfactory for the QCI configuration rule in the SPR, the QCI priority is updated according to the QCI configuration rule so that and the QCI priority of the corresponding downlink bearing of the UE be greater than the QCI priority of uplink corresponding with UE carrying.It according to the method for the present invention include the following steps executed by eNB: according to QCI priority corresponding with wait establish carrying, in conjunction with other one or more coherent reference information, determine with this wait establish the corresponding dispatching priority of carrying, wherein, the weight information of the QCI priority is higher than the weight information of any one of described one or more coherent reference information.
Description
Technical field
The present invention relates to wireless communication technology fields, more particularly to the method and apparatus for carrying out carrying scheduling based on QCI.
Background technique
In LTE communication system, establish based on transmission control protocol (Transmission Control Protocol,
TCP during uplink carrying/downlink bearing of business), mobile management entity (MME, mobile management entity) can be based on pre-
Fixed standardized QoS class letter (QoS class identifier, QCI) characteristic information as shown in table 1 below come for
Establish carrying distribution QCI priority.
Table 1
Wherein, QCI shown in table 1 includes the QCI priority for being used to indicate qos requirement, and each QCI priority respectively corresponds
In the resource type of different requirements, Packet Delay budget and wrong report Loss Rate.Usual QCI priority indicates with numeric form,
Numerical value is smaller, and the QCI priority of corresponding carrying is higher.Wherein, resource type can be divided into ensures bit rate (Guaranteed
Bit Rate, GBR) and non-ensured bit rate (Non-GBR) two types.
Then, MME is advised via home subscriber server (Home Subscriber Server, HSS) and strategy and charging
Then function (Policy and Charging Rule Function, PCRF), to user property memory (Subscription
Profile Repository, SPR) it sends creation carrying request and receives the corresponding with creation carrying request of SPR feedback
Creation carrying response.
Then, MME sends carrying to evolution base station (Evolved Node B, eNB) and establishes request, is established with initiating carrying
Process.Then, eNB sends RRC connection reconfiguration confidence breath to UE, so that it is wireless to establish TCP uplink carrying/downlink bearing data
It carries (Data Radio Bearer, DRB).UE believes according to the priority of logical channels read from RRC connection reconfiguration confidence breath
Breath transmits the carrying to carry out priority of logical channels (Logical Channel Prioritization) process, with distribution
Resource.Here, priority of logical channels information corresponds to the QCI priority that MME is distributed.
However, the mode based on the prior art, when existing simultaneously the carrying of TCP uplink and downlink bearing, and uplink in UE
When the priority of carrying is greater than the priority of the downlink bearing, first distribution resource is transmitted TCP upstream data by UE.In this way, such as
Fruit TCP uplink carrying data to be transmitted are more, and the TCP acknowledgment information (TCP ACK) in TCP downlink data will be unable to anti-in time
It is fed to corresponding business transmitting terminal, so as to cause the control of TCP flow amount or congestion control, and then influences the performance of TCP service.
Summary of the invention
The object of the present invention is to provide a kind of method and apparatus for carrying out carrying scheduling based on QCI.
According to an aspect of the invention, there is provided a kind of method in SPR for determining the QCI of carrying, wherein
During establishing carrying corresponding with a UE, it the described method comprises the following steps:
A receives foundation corresponding with the UE and carries request, wherein comprising carrying with wait establish in foundation carrying request
Corresponding QCI priority；
B is when the QCI priority is unsatisfactory for the QCI configuration rule in the SPR, more according to the QCI configuration rule
The new QCI priority so that and the QCI priority of the corresponding downlink bearing of the UE be greater than uplink corresponding with the UE
The QCI priority of carrying.
According to an aspect of the present invention, a kind of method for determining carrying dispatching sequence in the enb is additionally provided,
In, it the described method comprises the following steps:
It is determined according to QCI priority corresponding with wait establish carrying in conjunction with other one or more coherent reference information
It waits establishing the corresponding dispatching priority of carrying with this, wherein the weight information of the QCI priority is higher than described one or more
The weight information of any one of coherent reference information.
According to an aspect of the present invention, it additionally provides a kind of for determining the SPR of the QCI of carrying, wherein the SPR
Include:
Reception device, for receiving foundation carrying request corresponding with the UE, wherein include in foundation carrying request
QCI priority corresponding with wait establish carrying；
Updating device, for when the QCI priority is unsatisfactory for the QCI configuration rule in the SPR, according to described
QCI configuration rule updates the QCI priority, so that the QCI priority of downlink bearing corresponding with the UE is greater than and institute
State the QCI priority of the corresponding uplink carrying of UE.
According to an aspect of the present invention, it additionally provides a kind of for determining the eNB of carrying dispatching sequence, wherein described
ENB includes:
Determining device is dispatched, for basis QCI priority corresponding with wait establish carrying, in conjunction with other one or more phases
Close reference information, determine with should be wait establish the corresponding dispatching priority of carrying, wherein the weight information of the QCI priority is high
In the weight information of any one of one or more coherent reference information.
Compared with prior art, the invention has the following advantages that QCI configuration rule can be based in SPR, in UE to
The QCI priority of the carrying of foundation is updated, and in the enb based on updated QCI priority determine dispatch accordingly it is excellent
Select grade so that and the scheduling priority of the corresponding downlink bearing of UE be greater than the scheduling priority of uplink corresponding with UE carrying,
To guarantee that the lesser TCP ACK of flow can be transmitted in time in TCP downlink data, improve TCP downlink data transmission
Performance, and the influence to TCP transmitting uplink data is smaller.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, of the invention other
Feature, objects and advantages will become more apparent upon:
Fig. 1 illustrates a kind of method flow diagram that carrying scheduling is carried out based on QCI according to the present invention；
Fig. 2 illustrates the SPR of QCI for determining carrying according to the present invention a kind of and for determining that carrying is dispatched
The structural schematic diagram of the eNB of sequence；
Fig. 3 illustrates the one according to the present invention process that TCP carrying is illustratively established in LTE communication system
Figure.
The same or similar appended drawing reference represents the same or similar component in attached drawing.
Specific embodiment
Present invention is further described in detail with reference to the accompanying drawing.
Fig. 1 illustrates a kind of method flow diagram that carrying scheduling is carried out based on QCI according to the present invention.According to the present invention
Method include the steps that by SPR execute S101 and step S102, and by eNB execute step S201.
Wherein, SPR and eNB according to the present invention are contained in LTE communication system.
Wherein, it is contained according to the method for the present invention during establishing carrying corresponding with a UE.
Preferably, carrying according to the present invention includes uplink carrying/downlink bearing based on TCP traffic.
Preferably, QCI priority according to the present invention indicates that numerical value is bigger with numeric form, corresponding QCI priority
Lower grade.
Referring to Fig.1, in step s101, SPR receives foundation carrying request corresponding with the UE.
It wherein, include QCI priority corresponding with wait establish carrying in foundation carrying request.
Then, in step s 102, when the QCI priority is unsatisfactory for the QCI configuration rule in the SPR, SPR root
The QCI priority is updated according to the QCI configuration rule, so that the QCI priority of downlink bearing corresponding with the UE is big
In the QCI priority of uplink corresponding with UE carrying.
Wherein, the QCI configuration rule includes that the various QCI priority for making downlink bearing corresponding with the UE are greater than
The rule of the QCI priority of uplink carrying corresponding with the UE.Preferably, the QCI configuration rule further include: downlink bearing
Preferred bit rate be infinity.
Specifically, SPR first determines whether the QCI priority meets the QCI configuration rule of itself storage, as the QCI
When priority is unsatisfactory for the QCI configuration rule, SPR updates the QCI priority according to the QCI configuration rule.
According to a preferred embodiment of the invention, the QCI configuration rule include it is scheduled, correspond respectively to uplink
Carrying/downlink bearing QCI refers to priority, and the step S102 further includes step S1021 (not shown).
In step S1021, SPR is carried as uplink carrying/downlink bearing wait establish according to described, is based respectively on and uplink
The corresponding QCI of carrying/downlink bearing updates the QCI priority with reference to priority, so that downlink corresponding with the UE
The QCI priority of carrying is greater than the QCI priority of uplink corresponding with UE carrying.
Preferably, to be used to indicate fixed QCI corresponding with uplink carrying/downlink bearing excellent with reference to priority by the QCI
First grade is changed to state QCI with reference to priority institute when the QCI priority and inconsistent reference priority wait establish carrying
The QCI priority of instruction.
For example, the reference QCI priority of downlink bearing is 7, the reference QCI priority of uplink carrying is 8, if wait establish
It is carried as uplink carrying, and distributes to the QCI priority for waiting establishing carrying in foundation carrying request received by SPR
It is 6, then its QCI priority update is 8 by SPR.
Preferably, the QCI may also include the value range of scheduled QCI priority with reference to priority, hold when wait establish
When the QCI priority of load and the inconsistent value range of reference priority, it is changed to meet QCI with reference to indicated by priority
Value range QCI priority.
For example, the reference QCI priority of downlink bearing is 6 or 7, the reference QCI priority of uplink carrying is 8 or 9, if
It is carried as uplink carrying wait establish, and distributes to the QCI for waiting establishing carrying in foundation carrying request received by SPR
Priority is 5, then is 8 or 9 by the QCI priority update.
First example according to the present invention illustrates one according to the present invention illustratively in LTE referring to Fig. 3, Fig. 3
The flow chart of TCP carrying is established in communication system.Wherein, which includes UE, eNB, MME, HSS, PCRF and SPR.
The QCI configuration rule being pre-stored in SPR includes: that the reference QCI priority of downlink bearing is 6, and the reference QCI of uplink carrying is preferential
Grade is 9.During establishing uplink carrying bear_1 corresponding with electronic mail service, UE sends to MME via eNB and carries
Resource allocation request, MME are held after receiving the bearing resource distribution request, based on QCI standard information shown in upper table 1 for this
The QCI priority for carrying bear_1 distribution is 6, and then MME sends creation carrying solicited message to SPR via HSS and PCRF, should
It establishes carrying request and includes QCI priority 6 corresponding with carrying bear_1.SPR receives corresponding with the UE in step s101
Foundation carry request.Then, SPR is uplink carrying according to carrying bear_1, thus based on holding in QCI configuration rule with uplink
Corresponding reference QCI priority 9 is carried, the current QCI priority 6 of carrying bear_1 is updated to 9, so that corresponding with the UE
The QCI priority of downlink bearing is greater than the QCI priority of uplink corresponding with UE carrying.
According to another preferred embodiment of the present invention, the QCI configuration rule indicates that the QCI of each downlink bearing is preferential
Grade is consistently greater than the QCI priority of each uplink carrying, and the method according to this preferred embodiment further includes that (figure is not by step S103
Show) and step S104 (not shown), the step S102 further include step S1021 ' (not shown).
In step s 103, SPR obtains the QCI record information of the UE, and it includes corresponding with the UE which, which records information,
The history QCI priority of established one or more downlink bearing.
Wherein, the mode that SPR obtains the QCI record information includes but is not limited to any of the following mode:
1) the history QCI for directly acquiring established one or more downlink bearings corresponding with the UE of itself storage is excellent
First grade.
2) from the number of the history QCI priority of other storages established one or more downlink bearings corresponding with the UE
The QCI, which is obtained, according to library records information.
Preferably, preferential comprising the last history QCI for distributing to downlink bearing corresponding with the UE in QCI record
Grade.
In step S104, SPR is excellent by QCI priority obtained and each history QCI in QCI record information
First grade is compared, to determine whether the QCI priority meets the QCI configuration rule.
Specifically, SPR is preferentially grading by QCI priority obtained and each history QCI in QCI record information
Row compares, and is included but is not limited to any of the following in a manner of determining whether the QCI priority meets the QCI configuration rule:
1) when being carried as uplink carrying wait establish, if its QCI priority is higher than in priority record information
Minimum history QCI priority, it is determined that the current QCI is unsatisfactory for the QCI configuration rule.
Second example according to the present invention, the QCI configuration rule in SPR include: that the QCI priority of each downlink bearing begins
It is greater than the QCI priority of each uplink carrying eventually.During establishing uplink carrying bear_2, SPR connects in step s101
It receives and the corresponding foundation carrying request of the UE and foundation carrying request and includes QCI priority corresponding with carrying bear_2
"7".The QCI record information that SPR is got in step s 103 includes: history QCI priority " 8 " corresponding with a UE, and SPR will
Establish the history in carrying request in the QCI priority " 7 " and QCI record information of uplink carrying bear_2 corresponding with the UE
QCI priority is compared, and determines that the QCI priority of uplink carrying bear_2 is higher than history priority " 8 " therein, then
Determine that the QCI priority " 7 " of uplink carrying bear_2 is unsatisfactory for the QCI configuration rule.
2) the QCI configuration rule further include: the QCI priority of downlink bearing corresponding with the UE is not least preferential
Grade.When being carried as downlink bearing wait establish, if its QCI priority is at least one corresponding QCI priority of TCP service
In lowest priority, it is determined that the current QCI is unsatisfactory for the QCI configuration rule.
3) the QCI configuration rule further include: the non-highest of QCI priority of uplink carrying corresponding with the UE is preferential
Grade.When being carried as uplink carrying wait establish, if its QCI priority is at least one corresponding QCI priority of TCP service
In highest priority, it is determined that the current QCI is unsatisfactory for the QCI configuration rule.
Then, in step S1021 ', when the QCI priority is unsatisfactory for the QCI configuration rule in the SPR, SPR
Information update QCI priority corresponding with wait establish carrying is recorded according to the QCI, so that downlink corresponding with the UE is held
The QCI priority of load is always above the QCI priority of uplink carrying corresponding with the UE.
Continue to be illustrated foregoing second example, SPR records information for uplink carrying bear_2's according to the QCI
QCI priority update is 9, so that being higher than on corresponding with the UE with the QCI priority of the corresponding downlink bearing of the UE
The QCI priority of row carrying.
It according to the method for the present invention further include step S105 (not shown) with continued reference to Fig. 1.
In step s105, SPR is based on updated QCI priority and generates foundation corresponding with foundation carrying request
Carrying response, to be fed back.
Continue to be illustrated foregoing First example, SPR is based on updated QCI priority corresponding with carrying bear_1
9, which generate foundation corresponding with carrying request is established, carries response message, by the QCI priority 9 of updated carrying bear_1
MME is fed back to via PCRF and HSS.
With continued reference to Fig. 1, include the steps that executing S201 by eNB according to the method for the present invention.
In step s 201, eNB is according to QCI priority corresponding with wait establish carrying, in conjunction with other one or more phases
Close reference information, determine with this wait establish the corresponding dispatching priority of carrying.
Wherein, the dispatching priority includes but is not limited to priority of logical channels.
Wherein, the weight information of the QCI priority is higher than any one of described one or more coherent reference information
Weight information.
Wherein, the coherent reference information includes but is not limited to following at least any one letter corresponding with wait establish carrying
Breath:
1) Delay Priority determined based on Delay；For example, the time delay of carrying to be established is 120ms, make a reservation in eNB
100ms to 200ms the corresponding priority of time delay be 3, it is determined that the Delay Priority of carrying to be established be 3.
2) the handling capacity priority determined based on throughput information.
Specifically, eNB is according to QCI priority corresponding with wait establish carrying, and is based on scheduled and QCI priority and institute
Other one or more respective weight informations of coherent reference information are stated, are determined wait establish the corresponding dispatching priority of carrying.
Preferably, eNB is paid the utmost attention to according to QCI priority corresponding with wait establish carrying, to determine and should hold wait establish
Corresponding dispatching priority is carried, so that the dispatching priority is consistent with the priority of QCI priority.For example, when yet to be built
When the QCI priority of vertical carrying is high, corresponding dispatching priority is also accordingly higher etc..
Continue to be illustrated foregoing First example, determine in eNB wait establish the calculating for carrying corresponding dispatching priority
Rule includes: preferentially to be ranked up according to QCI priority to carrying, and then sorted based on handling capacity priority to carrying.Its
In, the carrying corresponding with same UE that eNB is currently obtained includes that uplink carries bear_1 and downlink bearing bear_3, wherein
The QCI priority of bear_1 is 9, and the QCI priority that handling capacity priority is 3, bear_3 is 8, and handling capacity priority is 2.Then
ENB be based on the computation rule, for downlink bearing bear_3 determine be higher than uplink carry bear_1 dispatching priority, and by really
The fixed dispatching priority be contained in RRC connection reconfiguration confidence breath in be sent to UE, thus complete establish carrying bear_1 and
The subsequent operation of bear_3.
According to the method for the present invention, QCI configuration rule can be based in SPR, it is excellent to the QCI of carrying to be established in UE
First grade is updated, and determines corresponding scheduling priority based on updated QCI priority in the enb, so that corresponding with UE
Downlink bearing scheduling priority be greater than uplink corresponding with the UE carrying scheduling priority, to guarantee line number under TCP
It can be transmitted in time according to the lesser TCP ACK of middle flow, improve the performance of TCP downlink data transmission, and to TCP uplink
The influence of data transmission is smaller.
Fig. 2 illustrates the SPR of QCI for determining carrying according to the present invention a kind of and for determining that carrying is dispatched
The structural schematic diagram of the eNB of sequence.SPR according to the present invention includes reception device 101 and updating device 102, according to the present invention
ENB include scheduling determining device 201.
Referring to Fig. 2, reception device 101 receives foundation carrying request corresponding with the UE.
It wherein, include QCI priority corresponding with wait establish carrying in foundation carrying request.
Then, when the QCI priority is unsatisfactory for the QCI configuration rule in the SPR, updating device 102 is according to institute
State QCI configuration rule and update the QCI priority so that the QCI priority of downlink bearing corresponding with the UE be greater than with
The QCI priority of the corresponding uplink carrying of the UE.
Wherein, the QCI configuration rule includes that the various QCI priority for making downlink bearing corresponding with the UE are greater than
The rule of the QCI priority of uplink carrying corresponding with the UE.Preferably, the QCI configuration rule further include: downlink bearing
Preferred bit rate be infinity.
Specifically, SPR first determines whether the QCI priority meets the QCI configuration rule of itself storage, as the QCI
When priority is unsatisfactory for the QCI configuration rule, updating device 102 is preferential according to the QCI configuration rule update QCI
Grade.
According to a preferred embodiment of the invention, the QCI configuration rule include it is scheduled, correspond respectively to uplink
Carrying/downlink bearing QCI refers to priority, and the updating device 102 further includes the first updating device (not shown).
First updating device is carried as uplink carrying/downlink bearing wait establish according to described, be based respectively on uplink carrying/
The corresponding QCI of downlink bearing updates the QCI priority with reference to priority, so that downlink bearing corresponding with the UE
QCI priority is greater than the QCI priority of uplink corresponding with UE carrying.
Preferably, to be used to indicate fixed QCI corresponding with uplink carrying/downlink bearing excellent with reference to priority by the QCI
First grade is changed to state QCI with reference to priority institute when the QCI priority and inconsistent reference priority wait establish carrying
The QCI priority of instruction.
For example, the reference QCI priority of downlink bearing is 7, the reference QCI priority of uplink carrying is 8, if wait establish
It is carried as uplink carrying, and distributes to this in foundation carrying request received by reception device 101 and waits establishing carrying
QCI priority is 6, is 8 by its QCI priority update.
Preferably, the QCI may also include the value range of scheduled QCI priority with reference to priority, hold when wait establish
When the QCI priority of load and the inconsistent value range of reference priority, it is changed to meet QCI with reference to indicated by priority
Value range QCI priority.
For example, the reference QCI priority of downlink bearing is 6 or 7, the reference QCI priority of uplink carrying is 8 or 9, if
It is carried as uplink carrying wait establish, and distributes to the QCI for waiting establishing carrying in foundation carrying request received by SPR
Priority is 5, then is 8 or 9 by the QCI priority update.
First example according to the present invention illustrates one according to the present invention illustratively in LTE referring to Fig. 3, Fig. 3
The flow chart of TCP carrying is established in communication system.Wherein, which includes UE, eNB, MME, HSS, PCRF and SPR.
The QCI configuration rule being pre-stored in SPR includes: that the reference QCI priority of downlink bearing is 6, and the reference QCI of uplink carrying is preferential
Grade is 9.During establishing uplink carrying bear_1 corresponding with electronic mail service, UE sends to MME via eNB and carries
Resource allocation request, MME are held after receiving the bearing resource distribution request, based on QCI standard information shown in upper table 1 for this
The QCI priority for carrying bear_1 distribution is 6, and then MME sends creation carrying solicited message to SPR via HSS and PCRF, should
It establishes carrying request and includes QCI priority 6 corresponding with carrying bear_1.Reception device 101 receives build corresponding with the UE
Vertical carrying request.Then, the first updating device according to carrying bear_1 is that uplink carries, thus based in QCI configuration rule and
Uplink carrying is corresponding to refer to QCI priority 9, the current QCI priority 6 of carrying bear_1 is updated to 9, so that with the UE
The QCI priority of corresponding downlink bearing is greater than the QCI priority of uplink corresponding with UE carrying.
According to another preferred embodiment of the present invention, the QCI configuration rule indicates that the QCI of each downlink bearing is preferential
Grade is consistently greater than the QCI priority of each uplink carrying, and the SPR according to this preferred embodiment further includes that (figure is not for acquisition device
Show) and comparison unit (not shown), the updating device 102 further include the second updating device (not shown).
Acquisition device obtains the QCI record information of the UE, and it includes corresponding with the UE established which, which records information,
The history QCI priority of one or more downlink bearings.
Wherein, the mode that acquisition device obtains the QCI record information includes but is not limited to any of the following mode:
1) the history QCI for directly acquiring established one or more downlink bearings corresponding with the UE of itself storage is excellent
First grade.
2) from the number of the history QCI priority of other storages established one or more downlink bearings corresponding with the UE
The QCI, which is obtained, according to library records information.
Preferably, preferential comprising the last history QCI for distributing to downlink bearing corresponding with the UE in QCI record
Grade.
Comparison unit carries out each history QCI priority in QCI priority obtained and QCI record information
Compare, to determine whether the QCI priority meets the QCI configuration rule.
Specifically, comparison unit is excellent by QCI priority obtained and each history QCI in QCI record information
First grade is compared, and includes but is not limited to following appoint in a manner of determining whether the QCI priority meets the QCI configuration rule
It is a kind of:
1) when being carried as uplink carrying wait establish, if its QCI priority is higher than in priority record information
Minimum history QCI priority, it is determined that the current QCI is unsatisfactory for the QCI configuration rule.
Second example according to the present invention, the QCI configuration rule in SPR include: that the QCI priority of each downlink bearing begins
It is greater than the QCI priority of each uplink carrying eventually.During establishing uplink carrying bear_2, reception device 101 is received
And the corresponding foundation carrying request of the UE and foundation carrying request to include QCI priority " 7 " corresponding with carrying bear_2.It obtains
The QCI record information for taking device to get includes: history QCI priority " 8 " corresponding with a UE, and comparison unit will be established and be carried
The QCI priority " 7 " of uplink carrying bear_2 corresponding with the UE and the history QCI in QCI record information are preferential in request
Grade is compared, and determines that the QCI priority of uplink carrying bear_2 is higher than history priority " 8 " therein, then SPR is determined
The QCI priority " 7 " of uplink carrying bear_2 is unsatisfactory for the QCI configuration rule.
2) the QCI configuration rule further include: the QCI priority of downlink bearing corresponding with the UE is not least preferential
Grade.When being carried as downlink bearing wait establish, if its QCI priority is at least one corresponding QCI priority of TCP service
In lowest priority, it is determined that the current QCI is unsatisfactory for the QCI configuration rule.
3) the QCI configuration rule further include: the non-highest of QCI priority of uplink carrying corresponding with the UE is preferential
Grade.When being carried as uplink carrying wait establish, if its QCI priority is at least one corresponding QCI priority of TCP service
In highest priority, it is determined that the current QCI is unsatisfactory for the QCI configuration rule.
Then, when the QCI priority is unsatisfactory for the QCI configuration rule in the SPR, the second updating device is according to institute
QCI record information update QCI priority corresponding with wait establish carrying is stated, so that downlink bearing corresponding with the UE
QCI priority is always above the QCI priority of uplink carrying corresponding with the UE.
Continue to be illustrated foregoing second example, the second updating device records information according to the QCI and holds the uplink
Carry bear_2 QCI priority update be 9 so that the QCI priority of downlink bearing corresponding with the UE be higher than with it is described
The QCI priority of the corresponding uplink carrying of UE.
With continued reference to Fig. 2, SPR according to the present invention further includes response generating means (not shown).
It responds generating means and is based on updated QCI priority generation foundation carrying corresponding with foundation carrying request
Response, to be fed back.
Continue to be illustrated foregoing First example, response generating means are based on updated corresponding with carrying bear_1
QCI priority 9 generates foundation corresponding with carrying request is established and carries response message, by updated carrying bear_1's
QCI priority 9 feeds back to MME via PCRF and HSS.
With continued reference to Fig. 2, eNB according to the present invention includes scheduling determining device 201.
Determining device 201 is dispatched according to QCI priority corresponding with wait establish carrying, in conjunction with other one or more correlations
Reference information, determine with this wait establish the corresponding dispatching priority of carrying.
Wherein, the dispatching priority includes but is not limited to priority of logical channels.
Wherein, the weight information of the QCI priority is higher than any one of described one or more coherent reference information
Weight information.
Wherein, the coherent reference information includes but is not limited to following at least any one letter corresponding with wait establish carrying
Breath:
1) Delay Priority determined based on Delay；For example, the time delay of carrying to be established is 120ms, make a reservation in eNB
100ms to 200ms the corresponding priority of time delay be 3, it is determined that the Delay Priority of carrying to be established be 3.
2) the handling capacity priority determined based on throughput information.
Specifically, scheduling determining device 201 is according to QCI priority corresponding with wait establish carrying, and based on scheduled and
QCI priority and other described one or more respective weight informations of coherent reference information determine corresponding wait establish carrying
Dispatching priority.
Preferably, scheduling determining device 201 is paid the utmost attention to according to QCI priority corresponding with wait establish carrying, to determine
It waits establishing the corresponding dispatching priority of carrying with this, so that the dispatching priority is consistent with the priority of QCI priority.
For example, corresponding dispatching priority is also accordingly higher etc. when the QCI priority wait establish carrying is high.
Continue to be illustrated foregoing First example, determine in eNB wait establish the calculating for carrying corresponding dispatching priority
Rule includes: preferentially to be ranked up according to QCI priority to carrying, and then sorted based on handling capacity priority to carrying.Its
In, the carrying corresponding with same UE that eNB is currently obtained includes that uplink carries bear_1 and downlink bearing bear_3, wherein
The QCI priority of bear_1 is 9, and the QCI priority that handling capacity priority is 3, bear_3 is 8, and handling capacity priority is 2.Then
It dispatches determining device 201 and is based on the computation rule, determined for downlink bearing bear_3 excellent higher than the scheduling that uplink carries bear_1
First grade, and the identified dispatching priority is contained in RRC connection reconfiguration confidence breath and is sent to UE, it is held to complete to establish
Carry the subsequent operation of bear_1 and bear_3.
According to the solution of the present invention, QCI configuration rule can be based in SPR, it is excellent to the QCI of carrying to be established in UE
First grade is updated, and determines corresponding scheduling priority based on updated QCI priority in the enb, so that corresponding with UE
Downlink bearing scheduling priority be greater than uplink corresponding with the UE carrying scheduling priority, to guarantee line number under TCP
It can be transmitted in time according to the lesser TCP ACK of middle flow, improve the performance of TCP downlink data transmission, and to TCP uplink
The influence of data transmission is smaller.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included in the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.This
Outside, it is clear that one word of " comprising " does not exclude other units or steps, and odd number is not excluded for plural number.That states in system claims is multiple
Unit or device can also be implemented through software or hardware by a unit or device.The first, the second equal words are used to table
Show title, and does not indicate any particular order.
Claims (13)
1. a kind of method in SPR for determining the QCI of carrying, wherein in the mistake for establishing carrying corresponding with a UE
Cheng Zhong the described method comprises the following steps:
A receives foundation carrying request corresponding with the UE, wherein comprising corresponding with wait establish carrying in foundation carrying request
QCI priority；
B updates institute when the QCI priority is unsatisfactory for the QCI configuration rule in the SPR, according to the QCI configuration rule
QCI priority is stated, so that carrying with the QCI priority of the corresponding downlink bearing of the UE greater than uplink corresponding with the UE
QCI priority.
2. according to the method described in claim 1, wherein, the QCI configuration rule include it is scheduled, correspond respectively to uplink and hold
Load/downlink bearing QCI refer to priority, the step b the following steps are included:
It is carried as uplink carrying/downlink bearing wait establish according to described, is based respectively on corresponding with uplink carrying/downlink bearing
QCI updates the QCI priority with reference to priority, so that the QCI priority of downlink bearing corresponding with the UE is greater than
The QCI priority of uplink carrying corresponding with the UE.
3. according to the method described in claim 1, wherein the QCI configuration rule indicates the QCI priority of each downlink bearing
The QCI priority of consistently greater than each uplink carrying, the method also includes following steps:
The QCI for obtaining the UE records information, and it includes established one or more corresponding with the UE which, which records information,
The history QCI priority of downlink bearing；
Wherein, the method also includes following steps:
QCI priority obtained is compared by x with each history QCI priority in QCI record information, with determination
Whether the QCI priority meets the QCI configuration rule；
Wherein, the step b includes:
When the QCI priority is unsatisfactory for the QCI configuration rule in the SPR, information update institute is recorded according to the QCI
QCI priority is stated, so that carrying with the QCI priority of the corresponding downlink bearing of the UE greater than uplink corresponding with the UE
QCI priority.
4. according to the method described in claim 3, wherein, the step x the following steps are included:
When being carried as uplink carrying wait establish, if its QCI priority is higher than minimum in priority record information
History QCI priority, it is determined that current QCI is unsatisfactory for the QCI configuration rule.
5. method according to claim 1 to 4, wherein the QCI configuration rule further include: downlink bearing
Preferred bit rate be infinity.
6. according to the method described in claim 1, wherein, the method also includes following steps:
Foundation carrying corresponding with foundation carrying request is generated based on updated QCI priority to respond, it is anti-to carry out
Feedback.
7. a kind of for determining the SPR of the QCI of carrying, wherein the SPR includes:
Reception device, for receiving corresponding with UE foundations carrying request, wherein foundation carrying request in include with wait establish
Carry corresponding QCI priority；
Updating device, for being matched according to the QCI when the QCI priority is unsatisfactory for the QCI configuration rule in the SPR
QCI priority described in Policy Updates is set, so that the QCI priority of downlink bearing corresponding with the UE is greater than and described UE pairs
The QCI priority for the uplink carrying answered.
8. SPR according to claim 7, wherein the QCI configuration rule include it is scheduled, correspond respectively to uplink and hold
Load/downlink bearing QCI refers to priority, and the updating device includes:
First updating device is based respectively on and holds with uplink for being carried as uplink carrying/downlink bearing wait establish according to described
The corresponding QCI of load/downlink bearing updates the QCI priority with reference to priority, so that downlink corresponding with the UE is held
The QCI priority of load is greater than the QCI priority of uplink corresponding with UE carrying.
9. SPR according to claim 7, wherein the QCI configuration rule indicates that the QCI priority of each downlink bearing begins
It is greater than the QCI priority of each uplink carrying, the SPR eventually further include:
Acquisition device, the QCI for obtaining the UE record information, and it includes have been established corresponding with the UE which, which records information,
One or more downlink bearings history QCI priority；
Wherein, the SPR further include:
Comparison unit, for QCI priority obtained and each history QCI in QCI record information is preferentially grading
Row compares, to determine whether the QCI priority meets the QCI configuration rule；
Wherein, the updating device includes:
Second updating device, for when the QCI priority is unsatisfactory for the QCI configuration rule in the SPR, according to described
QCI records QCI priority described in information update, so that the QCI priority of downlink bearing corresponding with the UE is greater than and institute
State the QCI priority of the corresponding uplink carrying of UE.
10. SPR according to claim 9, wherein the comparison unit includes:
Determining device, for when being carried as uplink carrying wait establish, record to be believed if its QCI priority is higher than the priority
Minimum history QCI priority in breath, it is determined that current QCI is unsatisfactory for the QCI configuration rule.
11. SPR according to any one of claims 7 to 10, wherein the QCI configuration rule further include: downlink bearing
Preferred bit rate be infinity.
12. SPR according to claim 7, wherein the SPR further include:
Generating means are responded, are held for generating foundation corresponding with foundation carrying request based on updated QCI priority
Response is carried, to be fed back.
13. a kind of communication system, wherein the communication system includes the SPR as described in any one of claim 7 to 12.
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