CN102647798B - Scheduling grant information issues, determines, update method, system and equipment - Google Patents

Abstract

The invention discloses a kind of scheduling grant information and determine method, system and equipment, belong to communication technical field.Described method includes: obtaining current channel parameters, described current channel parameters includes difference in channel quality SR；Transmission instruction information is determined and with reference to scheduling grant information SG according to described current channel parameters_total；Issue described with reference to scheduling grant information SG_total, difference in channel quality SR and transmission instruction information to subscriber equipment.The present invention passes through base station to subscriber equipment SG_totalAnd SR, it is possible to use family equipment can determine SG_primaryAnd SG_secondary, wherein SG_primaryFor instructing the determination process launching power and the E TFC selection course of main flow of double fluid, and SG_secondaryThen it is served only for instructing the E TFC selection course of secondary flow, thus the E TFC having reached secondary flow selects effect the most accurately, and then reached base station and can effectively control the effect of uplink interference.

Description

Scheduling grant information issues, determines, update method, system and equipment

Technical field

The present invention relates to communication technical field, issue particularly to a kind of scheduling grant information, determine, update method, system and Equipment.

Background technology

At UL-MIMO(UpLink Multiple Input Multiple Output, up multiple-input and multiple-output) communication system In, UE(User Equipment, subscriber equipment) and base station between the data stream of transmission can be that dual data stream is (the most double Stream) or single data stream (referred to as single current).Double fluid refers to that two different data blocks are dispatched in base station every time, and one of them is main number According to block, one is auxiliary data block, and data stream corresponding to main data block is referred to as main flow, and main flow is carried on E-DPDCH(E-DCH Dedicated Physical Data Channel, E-DCH Dedicated Physical Data Channel) on, the data stream that auxiliary data block is corresponding Being referred to as secondary flow, secondary flow is carried on S-E-DPDCH(Secondary E-DCH Dedicated Physical Data Channel, Auxiliary E-DCH Dedicated Physical Data Channel) on.Single current refers to that a data block is dispatched in base station every time.Transmitting and scheduling in data block During, base station needs to be controlled the transmitting power of E-DPDCH and S-E-DPDCH, with reduce UE to Serving cell and its The uplink interference that its neighbor cell is caused, the degree of uplink interference can use ROT(Rise over Thermal, uplink interference Lifting) characterize.

When stream transmission, a kind of transmitting and scheduling process can be such that first, and inner-loop power control and exterior ring power are passed through in base station The mode controlling to combine ensures DPCCH(Dedicated Physical Control Channel, Dedicated Physical Control Channel) Stability at receiving terminal (i.e. base station side) received signal to noise ratio；Second, base station arranges the E-DPDCH transmitting relative to DPCCH Power bias, the index value of this transmitting power bias is referred to as SG(Scheduled Grant, scheduling grant information in base station side), Then this SG is handed down to UE by base station；3rd, UE determine the transmitting power on E-DPDCH according to this SG, simultaneously to S-E-DPDCH Use the transmitting power identical with E-DPDCH；4th, UE are according to the transmitting merit on E-DPDCH and S-E-DPDCH after determining Rate carries out E-TFCI(E-DCH Transport Format Combination Indicator, and E-DCH transformat combination refers to Show) selection, and then determine suitable data block size and transformat according to E-TFCI.

Obviously, the SG shown in second step and third step determines that method is the most important link.But at practical situation In, in view of the S-E-DPDCH of carrying secondary flow is relatively poor than the channel quality of E-DPDCH of carrying main flow, work as EDPDCH When using identical transmitting power that E-TFCI is selected with S-E-DPDCH, good uplink interference can not be realized simultaneously Control.

Summary of the invention

Control to realize preferable uplink interference, embodiments provide a kind of scheduling grant information and issue, determine, more New method, system and equipment.Described technical scheme is as follows:

According to an aspect of the present invention, a kind of scheduling grant information delivery method, described method bag are embodiments provided Include:

Obtaining current channel parameters, described current channel parameters includes difference in channel quality SR；

Transmission instruction information is determined and with reference to scheduling grant information SG according to described current channel parameters_total；

Issue described with reference to scheduling grant information SG_total, difference in channel quality SR and transmission instruction information to subscriber equipment；

Wherein, described transmission instruction information representation single-stream transmission pattern or stream transmission pattern；

Described SR characterizes the S-E-DPDCH difference in channel quality relative to E-DPDCH.

According to another aspect of the invention, the embodiment of the present invention additionally provides a kind of scheduling grant information and determines method, described method Including:

Receive the reference scheduling grant information SG issued by base station_total, difference in channel quality SR and transmission instruction information；

According to described with reference to scheduling grant information SG_total, difference in channel quality SR and transmission instruction information is when determining single-stream transmission Single current scheduling grant information SG_singleOr main flow scheduling grant information SG during stream transmission_primaryWith secondary flow scheduling grant information SG_secondary。

According to a further aspect in the invention, embodiments providing a kind of base station, described base station includes:

Parameter acquisition module, is used for obtaining current channel parameters, and described current channel parameters includes difference in channel quality SR；

Information computational module, for determining transmission instruction information and with reference to scheduling grant information according to described current channel parameters SG_total；

Information issues module, is used for issuing described reference scheduling grant information SG_total, difference in channel quality SR and transmission instruction letter Breath is to subscriber equipment；

Wherein, described transmission instruction information representation single-stream transmission pattern or stream transmission pattern；

Described difference in channel quality SR characterizes the S-E-DPDCH difference in channel quality relative to E-DPDCH.

In accordance with a further aspect of the present invention, the embodiment of the present invention additionally provides a kind of subscriber equipment, and described subscriber equipment includes:

Information receiving module, for receiving the reference scheduling grant information SG issued by base station_total, difference in channel quality SR and biography Defeated instruction information；

Information determination module, for according to described reference scheduling grant information SG_total, difference in channel quality SR and transmission instruction letter Breath determines single current scheduling grant information SG during single-stream transmission_singleOr main flow scheduling grant information SG during stream transmission_primaryWith auxiliary Stream scheduling grant information SG_secondary。

According to the further aspect of the present invention, the embodiment of the present invention additionally provides a kind of scheduling grant information and determines system, described system Including the subscriber equipment provided in the base station provided in the embodiment of the present invention and/or the embodiment of the present invention.

According to another aspect of the invention, the embodiment of the present invention also provides for a kind of scheduling grant information update method, described method bag Include:

Receive, in specifying TTI, the scheduling grant information SG and difference in channel quality SR issued by base station；

Difference in channel quality SR issued in TTI is specified when receiving, and when not receiving scheduling grant information SG, according to channel Mass discrepancy SR updates the scheduling grant information SG preserved last time.

The technical scheme that the embodiment of the present invention provides has the benefit that

By base station to subscriber equipment sending reference scheduling grant information SG_totalWith difference in channel quality SR, it is possible to use family equipment Can determine main flow scheduling grant information SG_primaryWith secondary flow scheduling grant information SG_secondary, wherein main flow scheduling grant information SG_primaryFor instructing the determination process launching power and the E-TFC selection course of main flow of double fluid, and secondary flow scheduling grant information SG_secondaryThen it is served only for instructing the E-TFC selection course of secondary flow, thus the E-TFC having reached secondary flow selects effect the most accurately, And then reached base station and can effectively control the effect of uplink interference.

Accompanying drawing explanation

For the technical scheme being illustrated more clearly that in the embodiment of the present invention, in describing embodiment below, required use is attached Figure is briefly described, it should be apparent that, the accompanying drawing in describing below is only some embodiments of the present invention, for this area From the point of view of those of ordinary skill, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.

Fig. 1 is the method flow diagram that the scheduling grant information that the embodiment of the present invention one provides determines method；

Fig. 2 is the method flow diagram of the scheduling grant information delivery method that the embodiment of the present invention two provides；

Fig. 3 is the method flow diagram that the scheduling grant information that the embodiment of the present invention three provides determines method；

Fig. 4 is the block diagram that the scheduling grant information that the embodiment of the present invention four provides determines system；

Fig. 5 is the block diagram of the base station that the embodiment of the present invention five provides；

Fig. 6 is another block diagram of the base station that the embodiment of the present invention five provides；

Fig. 7 is the block diagram of the subscriber equipment that the embodiment of the present invention six provides

Fig. 8 is another block diagram of the subscriber equipment that the embodiment of the present invention six provides；

Fig. 9 is the block diagram of the information updating unit that the embodiment of the present invention six provides；

Figure 10 is another block diagram of the subscriber equipment that the embodiment of the present invention six provides；

Figure 11 is the method flow diagram of the scheduling grant information update method that the embodiment of the present invention seven provides.

Detailed description of the invention

For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing embodiment of the present invention made into One step ground describes in detail.

Embodiment one

Refer to Fig. 1, the scheduling grant information that it illustrates the embodiment of the present invention one provides determines the method flow diagram of method.Should Scheduling grant information determines that method may include that

Step 101, base station obtains current channel parameters, and current channel parameters includes difference in channel quality SR；

First base station, when subscriber equipment is transmitted scheduling, can obtain current channel parameters, and current channel parameters can wrap The information such as difference in channel quality SR, mimo channel condition, ROT level, UE information are included.According to different embodiments, currently The design parameter content of channel parameter can be slightly different.

Step 102, base station determines transmission instruction information and with reference to scheduling grant information SG according to current channel parameters_total；

According to current channel parameters, first base station can determine that transmission instruction information, transmission instruction information are used for characterizing single-stream transmission mould Formula or stream transmission pattern, be that base station needs the instruction of the transmission mode used to subscriber equipment, generally use order information Rank=1 Or 2 represent.According to current channel parameters, base station determines that the process of transmission instruction information is referred to prior art.

With reference to scheduling grant information SG_totalThen characterize and calculated, by base station, the power ratio obtained according to current channel parameters.Specifically Say, SG_totalIt is that the expectation received power sum of channel (E-DPDCH and S-E-DPDCH) of carrying data is relative to pilot tone (pilot) The reference of channel DPCCH receives power P_DRatio.

When determining that transmission instruction information is single-stream transmission pattern in base station according to current channel parameters, base station can be dispatched according to single current License Info SG_singleDetermine with reference to scheduling grant information SG_total.The most same as the prior art, even also being permitted with reference to scheduling Can information SG_total=single current scheduling grant information SG_single.Single current scheduling grant information SG_singleCan be joined according to present channel by base station Number is calculated.

When determining that transmission instruction information is stream transmission pattern in base station according to current channel parameters, can be according to main flow scheduling grant Information SG_primaryWith secondary flow scheduling grant information SG_secondaryDetermine with reference to scheduling grant information SG_total.Specifically, in order to Being controlled uplink interference, base station needs according to main flow scheduling grant information SG_primaryWith secondary flow scheduling grant information SG_secondary Both determine with reference to scheduling grant information SG_total.Wherein, SG_secondarySG can be equal to_primary* SR, SR characterize S-E-DPDCH Difference in channel quality relative to E-DPDCH.With reference to scheduling grant information SG_totalMain flow scheduling grant information SG can be equal to_primary With secondary flow scheduling grant information SG_secondaryBoth sums.Main flow scheduling grant information SG_primaryCan also be by base station according to current letter Road parameter is calculated.In various embodiments, SG_secondaryWith SG_primaryRelation alternate manner can be used to represent, But when physical meaning is identical, all it is considered to be protection content herein.

Step 103, base station sending reference scheduling grant information SG_total, difference in channel quality SR and transmission instruction information to user Equipment；

Base station can be by specifying TTI(Transmission Time Interval, Transmission Time Interval) reference is dispatched License Info SG_total, all or part of in difference in channel quality SR and transmission instruction information be handed down to subscriber equipment simultaneously.

Step 104, subscriber equipment receives the reference scheduling grant information SG issued by base station_total, difference in channel quality SR and biography Defeated instruction information；

Subscriber equipment can receive specifies the reference scheduling grant information SG issued in TTI by base station_total, difference in channel quality SR With transmission instruction information in all or part of.

Step 105, subscriber equipment is according to reference to scheduling grant information SG_total, difference in channel quality SR and transmission instruction information true Single current scheduling grant information SG during order streaming_singleOr main flow scheduling grant information SG during stream transmission_primaryAdjust with secondary flow Degree License Info SG_secondary。

When transmission instruction information representation single-stream transmission pattern, subscriber equipment can be according to reference to scheduling grant information SG_totalDetermine list Single current scheduling grant information SG during streaming_single。

When transmission instruction information representation stream transmission pattern, subscriber equipment is according to SG_totalMain flow scheduling grant is may determine that with SR Information SG_primaryWith secondary flow scheduling grant information SG_secondary.Specifically, subscriber equipment can be according to reference to scheduling grant information SG_totalMain flow scheduling grant information SG is determined with difference in channel quality SR_primaryFor: SG^· _primaryQuantized value, SG^· _primary= SG_total/(1+SR)；

Subscriber equipment can also be according to reference to scheduling grant information SG_totalSecondary flow scheduling grant information is determined with difference in channel quality SR SG_secondaryFor: SG^· _secondaryQuantized value, SG^· _secondary=SG_total-SG_primary, or SG^· _secondary=SG_primary*SR。

Subscriber equipment can be according to SG_primaryInstruct the determination process launching power and the E-TFC selection course of main flow of double fluid, Subscriber equipment only uses SG simultaneously_secondaryInstruct the E-TFC selection course of secondary flow, can be true finally according to the E-TFC each selected Determine main flow and TBS(Transport Block Size that secondary flow is transmitted respectively, transport block size), such that it is able to according to this TBS Carry out the data transmission of UL-MIMO.

In sum, the scheduling grant information that the present embodiment one provides determines method, is adjusted to subscriber equipment sending reference by base station Degree License Info SG_totalWith difference in channel quality SR, it is possible to use family equipment can determine main flow scheduling grant information SG_primaryWith Secondary flow scheduling grant information SG_secondary, wherein main flow scheduling grant information SG_primaryFor instructing the determination launching power of double fluid The E-TFC selection course of journey and main flow, and secondary flow scheduling grant information SG_secondaryThen it is served only for instructing the E-TFC of secondary flow to select Journey, thus the E-TFC having reached secondary flow selects effect the most accurately, and then reached base station and can effectively control uplink interference Effect.

Embodiment two

Refer to Fig. 2, it illustrates the method flow diagram of the scheduling grant information delivery method that the embodiment of the present invention two provides.For The most at large describing, be described with side, base station in the present embodiment, this scheduling grant information delivery method is permissible Including:

Step 201, base station obtains current channel parameters, and current channel parameters includes difference in channel quality SR；

First base station, when subscriber equipment is transmitted scheduling, can obtain current channel parameters, and current channel parameters can wrap The information such as difference in channel quality SR, mimo channel condition, ROT level, UE information are included.According to different embodiments, currently The design parameter content of channel parameter can be slightly different.

Step 202, base station determines transmission instruction information and with reference to scheduling grant information SG according to current channel parameters_total；；

In the present embodiment, mainly needing that UE carries out double fluid scheduling with base station and describe, the situation of single current scheduling is referred to existing Technology.When base station needs to carry out UE double fluid scheduling (namely transmission instruction information representation stream transmission pattern), in order to Being controlled uplink interference, base station needs to determine with reference to scheduling grant information SG according to predetermined way_total.Specifically, base Stand and can use main flow scheduling grant information SG_primaryWith secondary flow scheduling grant information SG_secondaryBoth sums determine with reference to scheduling License Info SG_total, wherein, SG_secondarySG can be equal to_primary* SR, SR characterize S-E-DPDCH relative to E-DPDCH's Difference in channel quality.Difference in channel quality SR is usually:

$\mathrm{SR}=\frac{{\mathrm{SINR}}_{S-E-\mathrm{DPDCH}}}{{\mathrm{SINR}}_{E-\mathrm{DPDCH}}};$

Wherein, SINR_S-E-DPDCHFor the reception Signal to Interference plus Noise Ratio of S-E-DPDCH, SINR_E-DPDCHReception Signal to Interference plus Noise Ratio for E-DPDCH. Acquisition can be directly calculated by base station.But according to different application scenarios, base station determines with reference to scheduling grant information SG_totalMistake The predetermined way used in journey can be slightly different:

Generally under scene, base station can directly determine with reference to scheduling grant information SG_totalEqual to main flow scheduling grant information SG_primary With secondary flow scheduling grant information SG_secondaryBoth sums.

Under another kind of scene, base station can directly determine with reference to scheduling grant information SG_totalIt is equal to: SG_primary(1+SR)；

Under another scene, base station can directly determine with reference to scheduling grant information SG_totalIt is equal to: E-DPDCH and S-E-DPDCH Reception power ratio SG of the total permission relative to DPCCH^· _totalQuantized value.

Above-mentioned three kinds of scenes may be considered equivalent implementation, and as a example by last a kind of scene, base station determines with reference to scheduling grant Information SG_totalDetailed process may is that

First, base station determines with reference to receiving general power P according to current channel parameters_totalReference with DPCCH receives power P_D, its In, current channel parameters at least includes: uplink interference lifting；

In order to realize power control, first base station can determine with reference to receiving general power P according to current channel parameters_totalAnd DPCCH Reference receive power P_D.Wherein, current channel parameters has generally included the letters such as mimo channel condition, ROT level, UE information Breath.This step is prior art.

Second, base station is according to reference to receiving general power P_totalReference with DPCCH receives power P_D, be calculated E-DPDCH and The reference relative to DPCCH of the expectation received power sum of S-E-DPDCH receives power P_DRatio SG^· _totalFor: SG^· _total=(P_total-P_D-P_x)/P_D；

Assume the interference not having other channel power, only include the reception merit of tri-channels of DPCCH, E-DPDCH and S-E-DPDCH Rate, then the possible maximum of the expectation received power sum that base station side can be calculated E-DPDCH and S-E-DPDCH is: P_{E-DPDCH, receive}+P_{S-E-DPDCH, receive}=P_total-P_D, and it practice, generally also include such as S-DPCCH, E-DPCCH, Other channel of S-E-DPCCH and HS-DPCCH etc, the reception power of these other channels is unified in this article utilizes Px to come Characterize, so base station can be calculated the expectation received power sum of E-DPDCH and the S-E-DPDCH ginseng relative to DPCCH Examine reception power P_DRatio SG^· _totalFor: SG^· _total=(P_total-P_D-P_x)/P_D。

3rd. base station determines with reference to scheduling grant information SG_totalFor: SG^· _totalQuantized value.

Step 203, base station sending reference scheduling grant information SG_total, difference in channel quality SR and transmission instruction information to user Equipment；

Base station can be by specifying TTI by reference scheduling grant information SG_totalRelevant information, the phase of difference in channel quality SR All or part of in pass information and transmission instruction information is handed down to subscriber equipment simultaneously.In other words, base station can only need New information is just issued when certain information being updated.

Specifically, the pattern that issues that base station is possible can have the most several:

Base station is by specifying TTI sending reference scheduling grant information SG simultaneously_totalRelevant information, the phase of difference in channel quality SR The relevant information of pass information and transmission instruction information is to subscriber equipment；

Or, base station is by specifying TTI sending reference scheduling grant information SG simultaneously_totalRelevant information and difference in channel quality SR Relevant information to subscriber equipment；

Or, base station is by specifying TTI sending reference scheduling grant information SG simultaneously_totalRelevant information and transmission instruction information phase Pass information is to subscriber equipment；

Or, base station issues relevant information and the relevant information of transmission instruction information of difference in channel quality SR by specifying TTI simultaneously To subscriber equipment；

Or, base station is by specifying TTI sending reference scheduling grant information SG_totalRelevant information to subscriber equipment；

Or, base station only issues the relevant information of difference in channel quality SR to subscriber equipment by specifying TTI；

Or, base station only issues the relevant information of transmission instruction information to subscriber equipment by specifying TTI；

Wherein, with reference to scheduling grant information SG_totalRelevant information can be: with reference to scheduling grant information SG_totalCorresponding index Value absolute value, or with the reference scheduling grant information SG specifying last time TTI to issue_totalThe relative value of index value.The rope of SG Drawing value to be obtained by inquiry SG mapping table, SG mapping table is SG value and index value table one to one, maps according to SG Table can search the index value corresponding with SG, it is also possible to searches the SG corresponding with index value, the SG value all amounts of being considered in this table SG value after change, SG value the most in the table, it is believed that be the SG value of non-quantized.SG mapping table can use existing skill The SG mapping table provided in art.

The relevant information of difference in channel quality SR can be: the absolute value of difference in channel quality SR, or specified under TTI with last time The relative value of difference in channel quality SR sent out.

The relevant information of transmission instruction information can be: the absolute value of order information Rank, or believes with the order specifying last time TTI to issue The relative value of breath Rank.

In sum, the scheduling grant information delivery method that the present embodiment provides, dispatched to subscriber equipment sending reference by base station License Info SG_totalWith difference in channel quality SR, it is possible to use family equipment can determine main flow scheduling grant information SG_primaryWith auxiliary Stream scheduling grant information SG_secondary, wherein main flow scheduling grant information SG_primaryFor instructing the determination process launching power of double fluid With the E-TFC selection course of main flow, and secondary flow scheduling grant information SG_secondaryThen it is served only for instructing the E-TFC selection course of secondary flow, Thus the E-TFC having reached secondary flow selects effect the most accurately, and then reach base station and can effectively control the effect of uplink interference Really.

Embodiment three

Refer to Fig. 3, the scheduling grant information that it illustrates the embodiment of the present invention three provides determines the method flow diagram of method.For The most at large describe, corresponding to embodiment three, the present embodiment is described with subscriber equipment side, this scheduling License Info determines that method may include that

Step 301, receives and specifies the reference scheduling grant information SG simultaneously issued in TTI_totalRelevant information, bad channel quality The relevant information of different SR and transmission instruction information relevant information in all or part of；

Being usually provided with for preserving the memorizer of photos and sending messages under base station in UE, such as, UE can be preserved under base station by memorizer The reference scheduling grant information SG sent out_totalRelevant information, the relevant information of difference in channel quality SR and transmission instruction information phase Pass information.

UE can receive the information that base station issues in specifying TTI, understands according to step 204, and the mode that base station issues may have Multiple, accordingly, the reception mode of UE also has multiple.Specifically:

Subscriber equipment receives specifies the reference scheduling grant information SG simultaneously issued in TTI_totalRelevant information, difference in channel quality The relevant information of SR and the relevant information of transmission instruction information；

Or, subscriber equipment receives specifies the reference scheduling grant information SG simultaneously issued in TTI_totalRelevant information and channel quality The relevant information of difference SR；

Or, subscriber equipment receives specifies the reference scheduling grant information SG simultaneously issued in TTI_totalRelevant information and transmission instruction The relevant information of information；

Or, subscriber equipment receives specifies the relevant information of difference in channel quality SR simultaneously issued in TTI and transmits instruction information Relevant information；

Or, subscriber equipment receives specifies the reference scheduling grant information SG issued in TTI_totalRelevant information；

Or, subscriber equipment receives the relevant information specifying difference in channel quality SR issued in TTI；

Or, subscriber equipment receives the relevant information specifying the transmission instruction information issued in TTI.

Step 302, according to the reference scheduling grant information SG received_totalRelevant information, difference in channel quality SR relevant Information and/or the reference scheduling grant information SG of transmission instruction information updating preservation last time_total, difference in channel quality SR and/or biography Defeated instruction information；

The information of information updating preservation last time that subscriber equipment can be currently received, such as, subscriber equipment is same in specifying TTI In time, receive with reference to scheduling grant information SG_totalRelevant information, the relevant information of difference in channel quality SR and transmission instruction information Time, can three information be all updated simultaneously；Or, subscriber equipment receives only with reference to scheduling grant information SG_totalPhase During the information of pass, can only update the reference scheduling grant information SG preserved last time_totalInformation；Again or, subscriber equipment receives finger Determine the relevant information of difference in channel quality SR issued in TTI, and do not receive with reference to scheduling grant information SG_totalRelevant information Time, the reference scheduling grant information SG preserved last time can be maintained_totalConstant, update difference in channel quality SR preserved last time.

But as preferably mode, specify the relevant information of difference in channel quality SR issued in TTI when subscriber equipment receives, And do not receive with reference to scheduling grant information SG_totalRelevant information time, it is also possible to maintain the SG that obtains of last computation_primaryIt is constant, Update difference in channel quality SR preserved last time, and update the reference preserved last time according to difference in channel quality SR after updating Scheduling grant information SG_total=SG_primary(1+SR), in order to follow-up use.It is to say, maintain the SG that last computation obtains_primary Constant, update difference in channel quality SR preserved last time, and update preservation last time according to difference in channel quality SR after updating Reference scheduling grant information SG_totalThe SG that=last computation obtains_primary(difference in channel quality SR after 1+ renewal).

Step 303, according to reference to scheduling grant information SG_total, difference in channel quality SR and transmission instruction information determine that single current passes Single current scheduling grant information SG time defeated_singleOr main flow scheduling grant information SG during stream transmission_primaryBelieve with secondary flow scheduling grant Breath SG_secondary；

Assuming that UE initially uses stream transmission pattern, now, it is understood that there may be three kinds of scenes: first, base station instruction UE continues to adopt Using stream transmission pattern, UE keeps stream transmission pattern；Second, base station instruction UE continues to use stream transmission pattern, but UE select voluntarily according to practical situation to use single-stream transmission pattern, such as UE be currently needed for the data volume that issues less or self Available launch power is unable to reach desired value etc.；3rd, base station instruction UE is switched to single current by double fluid, and UE uses single-stream transmission Pattern.In three kinds of scenes, the determination process of SG is respectively described as follows by UE:

First, when transmission instruction information representation stream transmission pattern, UE is according to reference to scheduling grant information SG_totalWith channel matter Amount difference SR determines main flow scheduling grant information SG_primaryFor: SG^· _primaryQuantized value, SG^· _primary=SG_total/(1+SR)；

According to reference to scheduling grant information SG_totalSecondary flow scheduling grant information SG is determined with difference in channel quality SR_secondaryFor: SG^· _secondaryQuantized value, SG^· _secondary=SG_total-SG_primary, or SG^· _secondary=SG_primary*SR。

Second, when transmission instruction information representation stream transmission pattern, but when meeting pre-conditioned, UE believes according to reference to scheduling grant Breath SG_totalDetermine single current scheduling grant information SG_singleFor: SG^· _singleQuantized value, SG^· _single=SG_total.Pre-conditioned permissible For: the first threshold that data volume to be sent in subscriber equipment is corresponding less than the scheduling grant information issued by base station；Or, use The Second Threshold that the currently available transmit power of family equipment is corresponding less than the scheduling grant information issued by base station.

3rd, when transmission instruction information representation single-stream transmission pattern, UE is according to reference to scheduling grant information SG_totalDetermine single current Scheduling grant information SG_singleFor: SG^· _singleQuantized value, SG^· _single=SG_total。

Under the first scene, the present embodiment also comprises the steps:

Step 304, subscriber equipment is according to main flow scheduling grant information SG_primaryDetermine main flow launches power, the transmitting merit of secondary flow Rate and the E-TFC of main flow；

Subscriber equipment is determining SG_primaryAfterwards, can be according to SG_primaryDetermine the transmitting power P of main flow_{E-DPDCH, transmit}For: SG_primary*P_{DPCCH, transmit}, wherein, P_{DPCCH, transmit}Transmitting power for DPCCH.

Then, subscriber equipment may determine that the transmitting power P of secondary flow_{S-E-DPDCH, transmit}For: P_{E-DPDCH, transmit}, namely main flow and secondary flow Use identical transmitting power；

Then, subscriber equipment is according to SG_primarySelect the E-TFC of main flow, in order to determine TBS and transformat, TBS that main flow transmits With E-EFCI one_to_one corresponding.The Appendix B of TS25.321 gives the mapping table of E-TFCI and TBS, does not the most do too much Explanation.

Step 305, subscriber equipment is according to secondary flow scheduling grant information SG_secondaryDetermine the E-TFC of secondary flow.

Subscriber equipment is according to SG_secondarySelect the E-TFC of secondary flow, in order to determine TBS and transformat that secondary flow transmits.

In sum, the scheduling grant information that the present embodiment three provides determines method, is adjusted to subscriber equipment sending reference by base station Degree License Info SG_totalWith difference in channel quality SR, it is possible to use family equipment can determine main flow scheduling grant information SG_primaryWith Secondary flow scheduling grant information SG_secondary, wherein main flow scheduling grant information SG_primaryFor instructing the determination launching power of double fluid The E-TFC selection course of journey and main flow, and secondary flow scheduling grant information SG_secondaryThen it is served only for instructing the E-TFC of secondary flow to select Journey, thus the E-TFC having reached secondary flow selects effect the most accurately, and then reached base station and can effectively control uplink interference Effect.

It should be added that, (include above three embodiment) in embodiments of the present invention, SG^· _xQuantizing process, specifically Say, following steps can be used to realize:

SG mapping table is searched and SG^· _xThe SG, SG and SG of coupling of coupling^· _xDifference minimum；

Or, search more than SG in SG mapping table^· _xMinimum SG；

Or, search less than SG in SG mapping table^· _xMaximum SG；

Using the SG that finds as SG^· _xQuantized value, wherein, x=total, single, primary or secondary.

Also needing to supplementary notes, in the embodiment of the present invention, the concrete form to difference in channel quality SR is not restricted, if energy Difference between reflection secondary flow and the channel quality of main flow.Alternatively, as an embodiment, difference in channel quality SR can With the transmit power that is S-E-DPDCH with E-DPDCH identical in the case of, the reception SINR of S-E-DPDCH and E-DPDCH The ratio of (Signal to Interference plus Noise Ratio, Signal to Interference plus Noise Ratio):

$\mathrm{SR}=\frac{{\mathrm{SINR}}_{S-E-\mathrm{DPDCH}}}{{\mathrm{SINR}}_{E-\mathrm{DPDCH}}};$

Those skilled in the art are readily apparent that, difference in channel quality SR can also be other forms, such as the ratio etc. of signal to noise ratio.This A little changes each fall within the range of the embodiment of the present invention.

Embodiment four

Refer to Fig. 4, the scheduling grant information that it illustrates the embodiment of the present invention four provides determines system, and it includes base station 420 With subscriber equipment 440.

Base station 420 can include that parameter acquisition module 422, information computational module 424 and information issue module 426.

Parameter acquisition module 422 is used for obtaining current channel parameters, and current channel parameters includes difference in channel quality SR；

Information computational module 424 is for determining transmission instruction information and with reference to scheduling grant information SG according to current channel parameters_total。

Information issues module 426 for sending reference scheduling grant information SG_total, difference in channel quality SR and transmission instruction information To subscriber equipment 440.

Wherein, transmission instruction information representation single-stream transmission pattern or stream transmission pattern；Difference in channel quality SR characterizes S-E-DPDCH Difference in channel quality relative to E-DPDCH.

Subscriber equipment 440 can include information receiving module 442 and information determination module 444.

Information receiving module 442 is for receiving the reference scheduling grant information SG issued by base station 420_total, difference in channel quality SR and transmission instruction information.

Information determination module 444 is for according to reference to scheduling grant information SG_total, difference in channel quality SR and transmission instruction information Determine single current scheduling grant information SG during single-stream transmission_singleOr main flow scheduling grant information SG during stream transmission_primaryAnd secondary flow Scheduling grant information SG_secondary。

In sum, the scheduling grant information that the present embodiment four provides determines system, is adjusted to subscriber equipment sending reference by base station Degree License Info SG_totalWith difference in channel quality SR, it is possible to use family equipment can determine main flow scheduling grant information SG_primaryWith Secondary flow scheduling grant information SG_secondary, wherein main flow scheduling grant information SG_primaryFor instructing the determination launching power of double fluid The E-TFC selection course of journey and main flow, and secondary flow scheduling grant information SG_secondaryThen it is served only for instructing the E-TFC of secondary flow to select Journey, thus the E-TFC having reached secondary flow selects effect the most accurately, and then reached base station and can effectively control uplink interference Effect.

Embodiment five

In order to the base station provided in embodiment four is further described, please continue to refer to Fig. 5, it illustrates the present invention The block diagram of the base station that embodiment five provides.This base station can include parameter acquisition module 520, information computational module 540 Module 560 is issued with information.

Parameter acquisition module 520 is used for obtaining current channel parameters, and current channel parameters includes difference in channel quality SR.

Information computational module 540 is for determining transmission instruction information and with reference to scheduling grant information SG according to current channel parameters_total。

Information issues module 560 for sending reference scheduling grant information SG_total, difference in channel quality SR and transmission instruction information To subscriber equipment.

Wherein, SG_secondary=SG_primary* SR, transmission instruction information representation single-stream transmission pattern or stream transmission pattern, channel quality Difference SR characterizes the S-E-DPDCH difference in channel quality relative to E-DPDCH.

Specifically, information computational module 540 specifically includes: single current determines that unit 542 and double fluid determine unit 544, such as Fig. 6 Shown in.Single current determines that unit 542 is for when determining that transmission instruction information is single-stream transmission pattern, believing according to single current scheduling grant Breath SG_singleDetermine with reference to scheduling grant information SG_total.Double fluid determines that unit 544 is for when determining that transmission instruction information passes for double fluid During defeated pattern, determine with reference to scheduling grant information SG according to predetermined way_total, predetermined way includes any one in following manner:

Determine with reference to scheduling grant information SG_totalIt is equal to: main flow scheduling grant information SG_primaryWith secondary flow scheduling grant information SG_secondarySum；

Determine with reference to scheduling grant information SG_totalIt is equal to: SG_primary(1+SR)；

Determine with reference to scheduling grant information SG_totalIt is equal to: connecing of E-DPDCH and S-E-DPDCH total permission relative to DPCCH Receive power ratio SG^· _totalQuantized value.Wherein it is determined that SG^· _totalQuantized value be:

SG mapping table is searched and SG^· _totalThe SG, SG and SG of coupling of coupling^· _totalDifference minimum；

Or, search more than SG in SG mapping table^· _totalMinimum SG；

Or, search less than SG in SG mapping table^· _totalMaximum SG；

Using the SG that finds as SG^· _totalQuantized value.

On the other hand, information issues module 560 specifically for by specifying TTI sending reference scheduling grant information SG simultaneously_total Relevant information, the relevant information of difference in channel quality SR and transmission instruction information relevant information in all or part of give user Equipment.Wherein, with reference to scheduling grant information SG_totalRelevant information be: with reference to scheduling grant information SG_totalCorresponding index value Absolute value, or with the reference scheduling grant information SG specifying last time TTI to issue_totalThe relative value of index value；Bad channel quality The relevant information of different SR is: the absolute value of difference in channel quality SR, or with difference in channel quality SR specifying last time TTI to issue Relative value.

In sum, the base station that the present embodiment provides, by base station to subscriber equipment sending reference scheduling grant information SG_totalAnd letter Road mass discrepancy SR, it is possible to use family equipment can determine main flow scheduling grant information SG_primaryWith secondary flow scheduling grant information SG_secondary, wherein main flow scheduling grant information SG_primaryFor instructing the determination process launching power and the E-TFC of main flow of double fluid Selection course, and secondary flow scheduling grant information SG_secondaryThen it is served only for instructing the E-TFC selection course of secondary flow, thus has reached auxiliary The E-TFC of stream selects effect the most accurately, and then has reached base station and can effectively control the effect of uplink interference.

Embodiment six

In order to the subscriber equipment provided in embodiment four is further described, refer to Fig. 7, it illustrates the present invention The block diagram of the subscriber equipment in embodiment six.This subscriber equipment can include that information receiving module 720 and information determine mould Block 740.

Information receiving module 720 is for receiving the reference scheduling grant information SG issued by base station_total, difference in channel quality SR and Transmission instruction information.

Information determination module 740 is for according to reference to scheduling grant information SG_total, difference in channel quality SR and transmission instruction information Determine single current scheduling grant information SG during single-stream transmission_singleOr main flow scheduling grant information SG during stream transmission_primaryAnd secondary flow Scheduling grant information SG_secondary。

Specifically, information receiving module 720 may include that information receiving unit 722 and information updating unit 724, such as Fig. 8 Shown in.Wherein, information receiving unit 722 specifies, for receiving, the reference scheduling grant information SG simultaneously issued in TTI_totalPhase Pass information, the relevant information of difference in channel quality SR and transmission instruction information relevant information in all or part of.Information updating Unit 724 is for according to the reference scheduling grant information SG received_totalRelevant information, the relevant letter of difference in channel quality SR Breath and/or the reference scheduling grant information SG of transmission instruction information updating preservation last time_total, difference in channel quality SR and/or transmission Instruction information.

Specifically, information updating unit 724 may include that the first information updates subelement 724a or the second information updating sub-list Unit 724b, as shown in Figure 9.Wherein, the first information updates subelement 724a for when receiving the letter issued in appointment TTI The relevant information of road mass discrepancy SR, and do not receive with reference to scheduling grant information SG_totalRelevant information time, maintain last time preserve Reference scheduling grant information SG_totalConstant, update difference in channel quality SR preserved last time.Second information updating subelement 724b For working as the relevant information receiving difference in channel quality SR issued in appointment TTI, and do not receive with reference to scheduling grant information SG_totalRelevant information time, maintain the SG that obtains of last computation_primaryConstant, update difference in channel quality SR preserved last time, And the reference scheduling grant information SG preserved last time is updated according to difference in channel quality SR after updating_total=SG_primary(1+SR).

Specifically, information determination module 740 may include that first determines that unit 742 and second determines unit 744, such as figure Shown in 10.Wherein, first determines that unit 742 is for, during when transmission instruction information representation stream transmission pattern, dispatching according to reference License Info SG_totalMain flow scheduling grant information SG is determined with difference in channel quality SR_primaryFor: SG^· _primaryQuantized value, SG^· _primary=SG_total/(1+SR).Second determine unit 744 for when transmission instruction information representation stream transmission pattern time, according to With reference to scheduling grant information SG_totalSecondary flow scheduling grant information SG is determined with difference in channel quality SR_secondaryFor: SG^· _secondaryAmount Change value, SG^· _secondary=SG_total-SG_primary, or SG^· _secondary=SG_primary*SR。

Information determination module 740 can also include: the 3rd determines unit 746.3rd determines that unit 746 is for when transmission instruction Information representation stream transmission pattern, but when meeting pre-conditioned, according to reference to scheduling grant information SG_totalDetermine single current scheduling grant Information SG_singleFor: SG^· _singleQuantized value, SG^· _single=SG_total.Pre-conditioned can be: to be sent in subscriber equipment The first threshold that data volume is corresponding less than the scheduling grant information issued by base station；Or, the currently available transmission merit of subscriber equipment The Second Threshold that rate is corresponding less than the scheduling grant information issued by base station.

Information determination module 740 can also include: the 4th determines unit 748.4th determines that unit 748 is for when transmission instruction During information representation single-stream transmission pattern, according to reference to scheduling grant information SG_totalDetermine single current scheduling grant information SG_singleFor: SG^· _singleQuantized value, SG^· _single=SG_total。

Above-mentioned SG^· _xQuantized value be:

SG mapping table is searched and SG^· _xThe SG, SG and SG of coupling of coupling^· _xDifference minimum；

Or, search more than SG in SG mapping table^· _xMinimum SG；

Or, search less than SG in SG mapping table^· _xMaximum SG；

Using the SG that finds as SG^· _xQuantized value, wherein, x=single, primary or secondary.

Above-mentioned difference in channel quality SR is:

$\mathrm{SR}=\frac{{\mathrm{SINR}}_{S-E-\mathrm{DPDCH}}}{{\mathrm{SINR}}_{E-\mathrm{DPDCH}}};$

Wherein, SINR_S-E-DPDCHFor the reception Signal to Interference plus Noise Ratio of S-E-DPDCH, SINR_E-DPDCHReception Signal to Interference plus Noise Ratio for E-DPDCH.

In sum, the subscriber equipment that the present embodiment provides, by base station to subscriber equipment sending reference scheduling grant information SG_total With difference in channel quality SR, it is possible to use family equipment can determine main flow scheduling grant information SG_primaryWith secondary flow scheduling grant information SG_secondary, wherein main flow scheduling grant information SG_primaryFor instructing the determination process launching power and the E-TFC of main flow of double fluid Selection course, and secondary flow scheduling grant information SG_secondaryThen it is served only for instructing the E-TFC selection course of secondary flow, thus has reached auxiliary The E-TFC of stream selects effect the most accurately, and then has reached base station and can effectively control the effect of uplink interference.

It should be understood that the scheduling grant information that above-described embodiment provides determines that system and base station therein and subscriber equipment are really When determining scheduling grant information, only it is illustrated with the division of above-mentioned each functional module, in actual application, can be as required And above-mentioned functions distribution is completed by different functional modules, the internal structure of device will be divided into different functional modules, with Complete all or part of function described above.It addition, the scheduling grant information that above-described embodiment provides determines system and scheduling License Info determines that embodiment of the method belongs to same design, and it implements process and refers to embodiment of the method, repeats no more here.

Embodiment seven

Due to above-described embodiment all with base station sending reference scheduling grant information SG_totalDescribe with difference in channel quality SR, but Skilled person realizes that the information that base station may issue can be other combination.To this end, please continue to refer to Figure 11, It illustrates the method flow diagram of the scheduling grant information update method that the embodiment of the present invention seven provides.This scheduling grant information updates Method updates the information that base station issues in subscriber equipment.This scheduling grant information update method may include that

Step 1102, receives, in specifying TTI, the scheduling grant information SG and difference in channel quality SR issued by base station；

Owing to the difference of base station issues scheme, in addition to the scheme in previous embodiment, the scheduling grant information SG that base station issues It may also is that

The first scheme,

During single current scheduling, to subscriber equipment sending reference scheduling grant information SG_total=single current scheduling grant information SG_single。

During double fluid scheduling, to subscriber equipment sending reference scheduling grant information SG_total=main flow scheduling grant information SG_primary。

First scheme:

During single current scheduling, to subscriber equipment sending reference scheduling grant information SG_total=single current scheduling grant information SG_single。

During double fluid scheduling, issue second with reference to scheduling grant information SG to subscriber equipment_total ^·=2* main flow scheduling grant information SG_primary。

The third scheme:

During single current scheduling, issue single current scheduling grant information SG to subscriber equipment_single。

During double fluid scheduling, issue main flow scheduling grant information SG to subscriber equipment_primary, secondary flow scheduling grant information SG_secondary。

Accordingly, subscriber equipment can receive the scheduling grant information SG that base station issues.

Step 1104, specifies, when receiving, difference in channel quality SR issued in TTI, and when not receiving scheduling grant information SG, The scheduling grant information SG preserved last time is updated according to difference in channel quality SR.

Specify, when receiving, difference in channel quality SR issued in TTI, and when not receiving scheduling grant information SG, subscriber equipment can To maintain last computation or the SG of preservation_primaryConstant, according to update after difference in channel quality SR update last computation or The reference scheduling grant information preserved is: SG_total=SG_primary(1+SR).

Or, specify, when receiving, difference in channel quality SR issued in TTI, and when not receiving scheduling grant information SG, dimension Hold the SG of last computation or preservation_primaryConstant, update last computation or preservation according to difference in channel quality SR after updating Secondary flow scheduling grant information be: SG_secondary=SG_primary*SR。

In sum, the scheduling grant information update method that the present embodiment provides, by the conversion between each scheduling grant information Relation, it is possible to use family equipment can be when receiving only difference in channel quality SR, it is also possible to reference to scheduling grant information SG_total Or secondary flow scheduling grant information SG_secondaryComplete renewal process, thus the E-TFC having reached secondary flow selects to imitate the most accurately Really, and then reached base station and can effectively control the effect of uplink interference.

One of ordinary skill in the art will appreciate that all or part of step realizing above-described embodiment can be completed by hardware, Can also instruct relevant hardware by program to complete, described program can be stored in a kind of computer-readable recording medium, Storage medium mentioned above can be read only memory, disk or CD etc..

The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all the spirit and principles in the present invention it In, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.

Claims (25)

1. a scheduling grant information delivery method, it is characterised in that described method includes:

Obtaining current channel parameters, described current channel parameters includes difference in channel quality SR；

Transmission instruction information is determined and with reference to scheduling grant information SG according to described current channel parameters_total；

Issue described with reference to scheduling grant information SG_total, difference in channel quality SR and transmission instruction information to subscriber equipment, described Subscriber equipment is for according to described reference scheduling grant information SG_total, difference in channel quality SR and transmission instruction information determine single current Single current scheduling grant information SG during transmission_singleOr main flow scheduling grant information SG during stream transmission_primaryWith secondary flow scheduling grant Information SG_secondary, described main flow scheduling grant information SG_primaryWith described secondary flow scheduling grant information SG_secondaryThere is respective taking Value；

Wherein, described transmission instruction information representation single-stream transmission pattern or stream transmission pattern；

Described SR characterizes the S-E-DPDCH difference in channel quality relative to E-DPDCH；

Described issue described with reference to scheduling grant information SG_total, difference in channel quality SR and transmission instruction information to subscriber equipment, Specifically include:

Described with reference to scheduling grant information SG by specifying TTI to issue simultaneously_totalRelevant information, described difference in channel quality SR Relevant information and described transmission instruction information relevant information in all or part of give described subscriber equipment, all or part of phase Pass information is the relevant information that there occurs change；

Wherein, described with reference to scheduling grant information SG_totalRelevant information be: described with reference to scheduling grant information SG_totalCorresponding The absolute value of index value, or with the reference scheduling grant information SG specifying last time TTI to issue_totalThe relative value of index value；

The relevant information of described difference in channel quality SR is: the absolute value of described difference in channel quality SR, or specifies TTI with last time The relative value of difference in channel quality SR issued；

Described with reference to scheduling grant information SG_totalThe expectation received power sum being described S-E-DPDCH and described E-DPDCH is relative Reference in pilot channel DPCCH receives power P_DRatio.

Scheduling grant information delivery method the most according to claim 1, it is characterised in that described according to described present channel Parameter determination transmission instruction information and reference scheduling grant information SG_total, specifically include:

When determining that described transmission instruction information is single-stream transmission pattern according to described current channel parameters, permitted according to the scheduling of described single current Can information SG_singleDetermine described with reference to scheduling grant information SG_total；

When determining that described transmission instruction information is stream transmission pattern according to described current channel parameters, determine institute according to predetermined way State with reference to scheduling grant information SG_total, described predetermined way includes any one in following manner:

Determine described with reference to scheduling grant information SG_totalIt is equal to: described main flow scheduling grant information SG_primaryDispatch with described secondary flow License Info SG_secondarySum；

Or, determine described with reference to scheduling grant information SG_totalIt is equal to: SG_primary(1+SR)；

Or, determine described with reference to scheduling grant information SG_totalIt is equal to: total relative to DPCCH of E-DPDCH and S-E-DPDCH Reception power ratio SG of permission^· _totalQuantized value.

Scheduling grant information delivery method the most according to claim 2, it is characterised in that described SG^· _totalQuantized value be:

SG mapping table is searched and described SG^· _totalThe SG, the SG of described coupling and described SG of coupling^· _totalDifference minimum；

Or, search more than described SG in SG mapping table^· _totalMinimum SG；

Or, search less than described SG in SG mapping table^· _totalMaximum SG；

Using the SG that finds as described SG^· _totalQuantized value.

4. a scheduling grant information determines method, it is characterised in that comprising:

Receive the reference scheduling grant information SG issued by base station_total, difference in channel quality SR and transmission instruction information, described SR Characterize the S-E-DPDCH difference in channel quality relative to E-DPDCH；

According to described with reference to scheduling grant information SG_total, difference in channel quality SR and transmission instruction information is when determining single-stream transmission Single current scheduling grant information SG_singleOr main flow scheduling grant information SG during stream transmission_primaryWith secondary flow scheduling grant information SG_secondary, described main flow scheduling grant information SG_primaryWith described secondary flow scheduling grant information SG_secondaryThere is respective value；

The reference scheduling grant information SG that described reception is issued by base station_total, difference in channel quality SR and transmission instruction information, tool Body includes:

Receive and specify the reference scheduling grant information SG simultaneously issued in TTI_totalRelevant information, the phase of difference in channel quality SR Pass information and transmission instruction information relevant information in all or part of, all or part of relevant information is the phase that there occurs change Pass information；

Described with reference to scheduling grant information SG according to receive_totalRelevant information, the relevant letter of described difference in channel quality SR Breath and/or the reference scheduling grant information SG of described transmission instruction information updating preservation last time_total, difference in channel quality SR and/or Transmission instruction information；

Described with reference to scheduling grant information SG_totalThe expectation received power sum being described S-E-DPDCH and described E-DPDCH is relative Reference in pilot channel DPCCH receives power P_DRatio.

Scheduling grant information the most according to claim 4 determines method, it is characterised in that described according to described reference scheduling License Info SG_total, single current scheduling grant information when determining single-stream transmission in difference in channel quality SR and transmission instruction information SG_singleOr main flow scheduling grant information SG during stream transmission_primaryWith secondary flow scheduling grant information SG_secondary, specifically include:

When described transmission instruction information representation stream transmission pattern, according to described with reference to scheduling grant information SG_totalWith described channel Mass discrepancy SR determines described main flow scheduling grant information SG_primaryFor: SG^· _primaryQuantized value, described SG^· _primary= SG_total/(1+SR)；

According to described with reference to scheduling grant information SG_totalDescribed secondary flow scheduling grant information is determined with described difference in channel quality SR SG_secondaryFor: SG^· _secondaryQuantized value, described SG^· _secondary=SG_total-SG_primary, or SG^· _secondary=SG_primary*SR。

Scheduling grant information the most according to claim 4 determines method, it is characterised in that described according to described reference scheduling License Info SG_total, single current scheduling grant information when determining single-stream transmission in difference in channel quality SR and transmission instruction information SG_singleOr main flow scheduling grant information SG during stream transmission_primaryWith secondary flow scheduling grant information SG_secondary, specifically include:

When described transmission instruction information representation stream transmission pattern, but when meeting pre-conditioned, believe with reference to scheduling grant according to described Breath SG_totalDetermine described single current scheduling grant information SG_singleFor: SG^· _singleQuantized value, described SG^· _single=SG_total。

Scheduling grant information the most according to claim 6 determines method, it is characterised in that described pre-conditioned be:

The first threshold that data volume to be sent in subscriber equipment is corresponding less than the scheduling grant information issued by base station；

Or, the Second Threshold that the currently available transmit power of subscriber equipment is corresponding less than the scheduling grant information issued by base station.

Scheduling grant information the most according to claim 4 determines method, it is characterised in that described according to described reference scheduling License Info SG_total, single current scheduling grant information when determining single-stream transmission in difference in channel quality SR and transmission instruction information SG_singleOr main flow scheduling grant information SG during stream transmission_primaryWith secondary flow scheduling grant information SG_secondary, specifically include:

When described transmission instruction information representation single-stream transmission pattern, according to described with reference to scheduling grant information SG_totalDetermine described list Stream scheduling grant information SG_singleFor: SG^· _singleQuantized value, described SG^· _single=SG_total。

9. determine method according to the arbitrary described scheduling grant information of claim 5 to 8, it is characterised in that described SG^· _xAmount Change value is:

SG mapping table is searched and described SG^· _xThe SG, the SG of described coupling and described SG of coupling^· _xDifference minimum；

Or, search more than described SG in SG mapping table^· _xMinimum SG；

Or, search less than described SG in SG mapping table^· _xMaximum SG；

Using the SG that finds as described SG^· _xQuantized value, wherein, x=single, primary or secondary.

Scheduling grant information the most according to claim 4 determines method, it is characterised in that the institute that described basis receives State with reference to scheduling grant information SG_totalRelevant information, the relevant information of described difference in channel quality SR and/or described transmission instruction The reference scheduling grant information SG of information updating preservation last time_total, difference in channel quality SR and/or transmission instruction information, specifically wrap Include:

When receiving the relevant information specifying difference in channel quality SR issued in TTI, and do not receive with reference to scheduling grant information SG_totalRelevant information time,

Maintain the reference scheduling grant information SG that last time preserves_totalConstant, update difference in channel quality SR preserved last time；

Or, maintain the SG that last computation obtains_primaryConstant, update last time preserve difference in channel quality SR, and according to update after Difference in channel quality SR update last time preserve reference scheduling grant information SG_total=SG_primary(1+SR)。

11. determine method according to the arbitrary described scheduling grant information of claim 4 to 8, it is characterised in that described channel matter Amount difference SR is:

$SR=\frac{{\mathrm{SINR}}_{S-E-DPDCH}}{{\mathrm{SINR}}_{E-DPDCH}};$

Wherein, SINR_S-E-DPDCHFor the reception Signal to Interference plus Noise Ratio of S-E-DPDCH, SINR_E-DPDCHReception Signal to Interference plus Noise Ratio for E-DPDCH.

12. 1 kinds of base stations, it is characterised in that described base station includes:

Parameter acquisition module, is used for obtaining current channel parameters, and described current channel parameters includes difference in channel quality SR；

Information computational module, for determining transmission instruction information and with reference to scheduling grant information according to described current channel parameters SG_total；

Information issues module, is used for issuing described reference scheduling grant information SG_total, difference in channel quality SR and transmission instruction letter Breath is to subscriber equipment, and described subscriber equipment is for according to described reference scheduling grant information SG_total, difference in channel quality SR and biography Defeated instruction information determines single current scheduling grant information SG during single-stream transmission_singleOr main flow scheduling grant information during stream transmission SG_primaryWith secondary flow scheduling grant information SG_secondary, described main flow scheduling grant information SG_primaryWith described secondary flow scheduling grant information SG_secondaryThere is respective value；

Wherein, described transmission instruction information representation single-stream transmission pattern or stream transmission pattern；

Described SR characterizes the S-E-DPDCH difference in channel quality relative to E-DPDCH；

Described information issues module, specifically for described with reference to scheduling grant information SG by specifying TTI to issue simultaneously_totalRelevant All or part of in the relevant information of information, the relevant information of described difference in channel quality SR and described transmission instruction information gives institute Stating subscriber equipment, all or part of relevant information is the relevant information that there occurs change；

Wherein, described with reference to scheduling grant information SG_totalRelevant information be: described with reference to scheduling grant information SG_totalCorresponding The absolute value of index value, or with the reference scheduling grant information SG specifying last time TTI to issue_totalThe relative value of index value；

The relevant information of described difference in channel quality SR is: the absolute value of described difference in channel quality SR, or specifies TTI with last time The relative value of difference in channel quality SR issued；

Described with reference to scheduling grant information SG_totalThe expectation received power sum being described S-E-DPDCH and described E-DPDCH is relative Reference in pilot channel DPCCH receives power P_DRatio.

13. base stations according to claim 12, it is characterised in that described information computational module, specifically include:

Single current determines that unit and double fluid determine unit；

Described single current determines unit, for determining that described transmission instruction information is single-stream transmission pattern according to described current channel parameters Time, according to described single current scheduling grant information SG_singleDetermine described with reference to scheduling grant information SG_total；

Described double fluid determines unit, for determining that described transmission instruction information is stream transmission pattern according to described current channel parameters Time, determine described with reference to scheduling grant information SG according to predetermined way_total, it is any one that described predetermined way includes in following manner Kind:

Determine described with reference to scheduling grant information SG_totalIt is equal to: described main flow scheduling grant information SG_primaryDispatch with described secondary flow License Info SG_secondarySum；

Determine described with reference to scheduling grant information SG_totalIt is equal to: SG_primary(1+SR)；

Determine described with reference to scheduling grant information SG_totalIt is equal to: E-DPDCH and S-E-DPDCH total permission relative to DPCCH Reception power ratio SG^· _totalQuantized value.

14. base stations according to claim 13, it is characterised in that described double fluid determines the SG that unit determines^· _totalQuantization Value is:

SG mapping table is searched and described SG^· _totalThe SG, the SG of described coupling and described SG of coupling^· _totalDifference minimum；

Or, search more than described SG in SG mapping table^· _totalMinimum SG；

Or, search less than described SG in SG mapping table^· _totalMaximum SG；

Using the SG that finds as described SG^· _totalQuantized value.

15. 1 kinds of subscriber equipmenies, it is characterised in that comprising:

Information receiving module, for receiving the reference scheduling grant information SG issued by base station_total, difference in channel quality SR and biography Defeated instruction information, described SR characterizes the S-E-DPDCH difference in channel quality relative to E-DPDCH；

Information determination module, for according to described reference scheduling grant information SG_total, difference in channel quality SR and transmission instruction letter Breath determines single current scheduling grant information SG during single-stream transmission_singleOr main flow scheduling grant information SG during stream transmission_primaryWith auxiliary Stream scheduling grant information SG_secondary, described main flow scheduling grant information SG_primaryWith described secondary flow scheduling grant information SG_secondaryTool There is respective value；

Described information receiving module, specifically includes: information receiving unit and information updating unit；

Described information receiving unit, specifies, for receiving, the reference scheduling grant information SG simultaneously issued in TTI_totalRelevant letter Breath, the relevant information of difference in channel quality SR and transmission instruction information relevant information in all or part of, all or part of phase Pass information is the relevant information that there occurs change；

Described information updating unit, for described with reference to scheduling grant information SG according to receive_totalRelevant information, described letter The relevant information of road mass discrepancy SR and/or the reference scheduling grant information SG of described transmission instruction information updating preservation last time_total、 Difference in channel quality SR and/or transmission instruction information；

Described with reference to scheduling grant information SG_totalThe expectation received power sum being described S-E-DPDCH and described E-DPDCH is relative Reference in pilot channel DPCCH receives power P_DRatio.

16. subscriber equipmenies according to claim 15, it is characterised in that described information determination module, specifically include:

First determines that unit and second determines unit；

Described first determines unit, for during when described transmission instruction information representation stream transmission pattern, according to described with reference to scheduling License Info SG_totalDescribed main flow scheduling grant information SG is determined with difference in channel quality SR_primaryFor: SG^· _primaryQuantized value, Described SG^· _primary=SG_total/(1+SR)；

Described second determines unit, for during when described transmission instruction information representation stream transmission pattern, according to described with reference to scheduling License Info SG_totalDescribed secondary flow scheduling grant information SG is determined with described difference in channel quality SR_secondaryFor: SG^· _secondaryAmount Change value, described SG^· _secondary=SG_total-SG_primary, or SG^· _secondary=SG_primary*SR。

17. subscriber equipmenies according to claim 15, it is characterised in that described information determination module, specifically include:

3rd determines unit；

Described 3rd determines unit, for indicating information representation stream transmission pattern when described transmission, but when meeting pre-conditioned, According to described with reference to scheduling grant information SG_totalDetermine described single current scheduling grant information SG_singleFor: SG^· _singleQuantized value, institute State SG^· _single=SG_total。

18. subscriber equipmenies according to claim 17, it is characterised in that described pre-conditioned be:

The first threshold that data volume to be sent in subscriber equipment is corresponding less than the scheduling grant information issued by base station；

Or, the Second Threshold that the currently available transmit power of subscriber equipment is corresponding less than the scheduling grant information issued by base station.

19. subscriber equipmenies according to claim 15, it is characterised in that described information determination module, specifically include:

4th determines unit；

Described 4th determines unit, for during when described transmission instruction information representation single-stream transmission pattern, according to described with reference to scheduling License Info SG_totalDetermine described single current scheduling grant information SG_singleFor: SG^· _singleQuantized value, described SG^· _single=SG_total。

20. according to the arbitrary described subscriber equipment of claim 16 to 19, it is characterised in that described SG^· _xQuantized value be:

SG mapping table is searched and described SG^· _xThe SG, the SG of described coupling and described SG of coupling^· _xDifference minimum；

Or, search more than described SG in SG mapping table^· _xMinimum SG；

Or, search less than described SG in SG mapping table^· _xMaximum SG；

Using the SG that finds as described SG^· _xQuantized value, wherein, x=single, primary or secondary.

21. subscriber equipment according to claim 15, it is characterised in that described information updating unit, specifically include:

The first information updates subelement or the second information updating subelement；

The described first information updates subelement, for working as the relevant information receiving difference in channel quality SR issued in appointment TTI, And do not receive with reference to scheduling grant information SG_totalRelevant information time, maintain last time preserve reference scheduling grant information SG_totalNo Become, update difference in channel quality SR preserved last time；

Described second information updating subelement, for working as the relevant information receiving difference in channel quality SR issued in appointment TTI, And do not receive with reference to scheduling grant information SG_totalRelevant information time, maintain the SG that obtains of last computation_primaryConstant, in renewal Difference in channel quality SR of secondary preservation, and update the reference scheduling preserved last time perhaps according to difference in channel quality SR after updating Can information SG_total=SG_primary(1+SR)。

22. according to the arbitrary described subscriber equipment of claim 15 to 19, it is characterised in that described difference in channel quality SR is:

$SR=\frac{{\mathrm{SINR}}_{S-E-DPDCH}}{{\mathrm{SINR}}_{E-DPDCH}};$

Wherein, SINR_S-E-DPDCHFor the reception Signal to Interference plus Noise Ratio of S-E-DPDCH, SINR_E-DPDCHReception Signal to Interference plus Noise Ratio for E-DPDCH.

23. a scheduling grant information determines system, it is characterised in that it includes as described in claim 12 to 14 is arbitrary Base station, and/or, the subscriber equipment as described in claim 15 to 22 is arbitrary.

24. 1 kinds of scheduling grant information update methods, it is characterised in that described method includes:

Receive, in specifying TTI, the scheduling grant information SG and difference in channel quality SR issued by base station；

Described difference in channel quality SR issued in TTI is specified when receiving, and when not receiving described scheduling grant information SG, Maintain last computation or the SG of preservation_primaryConstant, update described difference in channel quality SR preserved last time, after updating Described difference in channel quality SR updates the reference scheduling grant information of last computation or preservation: SG_total=SG_primary(1+SR)；

Or, maintain last computation or the SG of preservation_primaryConstant, update described difference in channel quality SR preserved last time, according to Described difference in channel quality SR after renewal updates the secondary flow scheduling grant information of last computation or preservation: SG_secondary=SG_primary*SR；

Described with reference to scheduling grant information SG_totalIt is that the expectation received power sum of S-E-DPDCH and E-DPDCH is relative to pilot tone letter The reference of road DPCCH receives power P_DRatio.

25. scheduling grant information update methods according to claim 24, it is characterised in that the described tune issued by base station Degree License Info SG is:

Single current scheduling grant information SG_single；

Or, main flow scheduling grant information SG_primary；

Or, with reference to scheduling grant information SG_total=SG_primary(1+SR)；

Or, second with reference to scheduling grant information SG_total ^·=2SG_primary；

Or, described main flow scheduling grant information SG_primaryWith described secondary flow scheduling grant information SG_secondary。