CN102630100B - Time division scheduling method and time division scheduling device - Google Patents
Time division scheduling method and time division scheduling device Download PDFInfo
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Abstract
The invention discloses a time division scheduling method and a time division scheduling device and belongs to the field of communication. The method comprises: determining whether user equipment (UE) conforms to time division scheduling conditions according to parameters of each piece of UE, and obtaining a UE candidate set conforming to the time division scheduling conditions; selecting one or a plurality of groups of UE for time division scheduling in the period from the candidate set, allocating process for the UE for the time division scheduling in the period, and determining the corresponding relations between the UE for the time division scheduling in the period and the allocated process; and activating the process of allocation for the time division scheduling in the period according to the corresponding relations between the determined UE in the period and the allocated process. One or the plurality of groups of UE for the time division scheduling in the period is selected from the UE candidate set conforming to the time division scheduling conditions, the time division scheduling is performed under consideration of a whole neighborhood, and disturbance in the neighborhood is effectively reduced. Due to the fact that the UE for the time division scheduling can be of the plurality of groups, the number of the UE for the time division scheduling can be increased, and the UE for the time division scheduling can obtain interference offset and characteristic gain.
Description
Technical field
The present invention relates to the communications field, particularly a kind of time-division dispatching method and device.
Background technology
Along with miscellaneous service is more and more higher to the requirement of time delay, HSUPA (High Speed Uplink Packet Access, High Speed Uplink Packet access) by adopting multi-code transmission, HARQ (Hybrid Automatic Repeat Request, mixed automatic retransfer request), TTI (Transmission Time Interval, Transmission Time Interval) be the technology such as wireless short frame of 2ms, make single community maximal uplink throughput reach 5.76Mbit/s, further strengthened WCDMA (Wideband Code Division Multiple Access, Wideband Code Division Multiple Access (WCDMA)) data service bearing capacity and the availability of frequency spectrum of up link.Yet, in HSUPA system, although the upstream rate of the more up user of 2ms TTI and user Geng Gao can increase community user number and throughput, also will cause the interference in community to increase.
To this, prior art adopts the mode of up time-division scheduling to reduce the interference in community, during specific implementation, by Node B (base station), measure each UE (User Equipment, subscriber equipment) authorization value, uplink transmission rate, three parameters of uplink transmission power, and each UE is judged respectively, if above three parameters or three parameter combinations surpass certain thresholding certain hour, this UE enters time-division scheduling, if above three parameters of certain UE or three parameter combinations are lower than certain thresholding certain hour, do not carry out time-division scheduling, recover code minute.
In realizing process of the present invention, inventor finds that prior art at least exists following problem:
In the time-division scheduling mode that prior art provides, scheduling strategy is only that each UE is adjudicated respectively, and only there is one group of UE that does time-division scheduling, the UE quantity of carrying out time-division scheduling can not be over 8, the time-division scheduling mode that causes prior art to provide is too idealized, reduces the poor effect of disturbing.
Summary of the invention
For when increasing cell uplink throughput, effectively reduce the interference in community, the embodiment of the present invention provides a kind of time-division dispatching method and device.Technical scheme is as follows:
On the one hand, provide a kind of time-division dispatching method, method comprises:
According to the parameter of each user equipment (UE), determine whether UE meets time-division schedulable condition, obtain meeting the UE Candidate Set of time-division schedulable condition;
From Candidate Set, select one or more groups this cycle to be the UE of time-division scheduling, and do the UE distribution process of time-division scheduling for this cycle, determine that this cycle does UE that the time-division dispatches and the corresponding relation between the process of distribution;
According to the corresponding relation between definite UE of this cycle and the process of distributing, activate the process of doing the UE distribution of time-division scheduling for this cycle.
On the other hand, provide a kind of time-division dispatching device, device comprises:
The first determination module, for determining according to the parameter of each user equipment (UE) whether UE meets time-division schedulable condition, obtains meeting the UE Candidate Set of time-division schedulable condition;
Select module, for the Candidate Set obtaining from the first determination module, select one or more groups this cycle to be the UE of time-division scheduling;
Distribution module, is used to this cycle of selecting module to select to do the UE distribution process of time-division scheduling;
The second determination module, this cycle of selecting for definite selection module is done the UE of time-division scheduling and the corresponding relation between the process of module assigns;
Active module, for according to the second determination module, the corresponding relation between definite UE of this cycle and the process of distributing activates distribution module and does the process of the UE distribution of time-division scheduling for this cycle.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is:
By determining whether UE meets time-division schedulable condition, from the UE Candidate Set that meets time-division schedulable condition obtaining, select one or more groups this cycle to be the UE of time-division scheduling, realization considers to carry out time-division scheduling from community integral body, guarantee user fairness differentiation, and then effectively reduce the interference in community; And owing to being the UE of time-division scheduling, can be many groups, thereby can increase the UE quantity of doing time-division scheduling, make can enjoy the gain of Interference Cancellation characteristic between the UE of time-division scheduling.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the flow chart of a kind of time-division dispatching method of providing of the embodiment of the present invention one;
Fig. 2 is the flow chart of a kind of time-division dispatching method of providing of the embodiment of the present invention two;
Fig. 3 is the schematic diagram of a kind of time-division scheduling pattern of providing of the embodiment of the present invention two;
Fig. 4 is the schematic diagram of another kind of time-division scheduling pattern of providing of the embodiment of the present invention two;
Fig. 5 is the structural representation of a kind of time-division dispatching device of providing of the embodiment of the present invention three;
Fig. 6 is the structural representation of the another kind of time-division dispatching device that provides of the embodiment of the present invention three;
Fig. 7 is the structural representation of another time-division dispatching device of providing of the embodiment of the present invention three;
Fig. 8 is the structural representation of a kind of active module of providing of the embodiment of the present invention three;
Fig. 9 is the structural representation of the another kind of active module that provides of the embodiment of the present invention three;
Figure 10 is the structural representation of another active module of providing of the embodiment of the present invention three;
Figure 11 is a kind of structural representation that activates unit that the embodiment of the present invention three provides;
Figure 12 is the structural representation that the another kind that provides of the embodiment of the present invention three activates unit.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment mono-
In CDMA (Code Division Multiple Access, code division multiple access) system, uplink UE is not completely orthogonal, produces and disturbs mutually, for guaranteeing communication quality, the restriction that cell uplink capacity is subject to disturbing between UE in Yi Ge community between uplink UE.For this reason, HSUPA, by adopting multi-code transmission, HARQ, the key technologies such as fast dispatch based on Node B, makes single community maximal uplink throughput reach 5.76Mbit/s.
Yet in HSUPA system, more 2ms TTI uplink UE and the higher upstream rate of UE cause disturbing and increasing in community, community UE quantity and throughput increase.For this reason, the present embodiment provides a kind of time-division dispatching method, by the method, UE is called to the different time, with this, reduces the interference between UE, expands cell uplink capacity.Referring to Fig. 1, the method flow that the present embodiment provides is specific as follows:
101: according to the parameter of each UE, determine whether UE meets time-division schedulable condition, obtain meeting the UE Candidate Set of time-division schedulable condition;
Wherein, according to the parameter of each UE, determine that whether UE meets time-division schedulable condition, includes but not limited to:
According to the translational speed of each UE, Transmission Time Interval, data traffic volume and at least one parameter in chip offset in Preset Time section, determine whether described UE meets time-division schedulable condition, be understandable that, also can determine whether this UE meets time-division schedulable condition according to the combination in any of these parameters.
In order to guarantee the performance of time-division scheduling, in another embodiment of the present invention, after obtaining meeting the UE Candidate Set of time-division schedulable condition, can also comprise according to the parameter of community, UE place and concentrate and select one or more groups UE to do time-division scheduling in this cycle from UE candidate.
The parameter of community can comprise the reception antenna number of community, can be specifically to judge whether UE quantity in Candidate Set and the reception antenna number of community reach threshold value, if so, continue to carry out the step of selecting one or more groups this cycle to be the UE of time-division scheduling from Candidate Set.
102: from Candidate Set, select one or more groups this cycle to be the UE of time-division scheduling, and do the UE distribution process of time-division scheduling for this cycle, determine that this cycle does UE that the time-division dispatches and the corresponding relation between the process of distribution;
Wherein, from Candidate Set, select one or more groups this cycle to be the UE of time-division scheduling, include but not limited to:
According to the priority of each UE in Candidate Set, select one or more groups this cycle to be the UE of time-division scheduling.During concrete enforcement, for the user with equal priority, can select according to the mode of timeslice poll.
Particularly, for this cycle is done the UE distribution process of time-division scheduling, include but not limited to:
According to this cycle, do the priority of the UE of time-division scheduling and do the UE distribution process of time-division scheduling for this cycle, and the process number of distribution is directly proportional to priority;
Or the corresponding relation that the UE that does time-division scheduling according to this cycle and a upper cycle obtain is done the UE distribution process that the time-division dispatches for this cycle.
In another embodiment of the present invention, from Candidate Set, select before one or more groups this cycle is the UE of time-division scheduling, can also comprise:
According to the configuration parameter of community, set this cycle and do the fixedly packet count of the UE of time-division scheduling, or, according to the configuration parameter of community and measured value, dynamically adjust this cycle and do the packet count of the UE of time-division scheduling;
Wherein, the configuration parameter of community at least comprises reception antenna number and AG (Absolute Grant Channel, absolute grant channel) code channel number;
Measured value at least comprises UE quantity and the time-division dispatching effect in Candidate Set in Preset Time section, and time-division dispatching effect at least comprises that received power, this cycle do average discharge and the authorization value of the UE of time-division scheduling.
103: according to the corresponding relation between definite UE of this cycle and the process of distributing, activate the process of doing the UE distribution of time-division scheduling for this cycle.
Particularly, according to the corresponding relation between definite UE of this cycle and the process of distributing, activate the process of doing the UE distribution of time-division scheduling for this cycle, include but not limited to:
The UE that does time-division scheduling to this cycle according to the corresponding relation between definite UE of this cycle and the process of distributing sends the AG value of the whole processes of deexcitation, make this cycle do the whole processes of UE deexcitation of time-division scheduling, to this cycle, do again afterwards the AG value of the UE transmission activation one process of time-division scheduling, make the UE that this cycle is done time-division scheduling activate the process being assigned with;
Or, the UE that does time-division scheduling to this cycle according to the corresponding relation between definite UE of this cycle and the process of distributing sends the AG value that activates whole processes, make the UE that this cycle is done time-division scheduling activate whole processes, the UE that does time-division scheduling to this cycle more afterwards sends the AG value of deexcitation one process, makes this cycle do the process that UE deexcitation that the time-division dispatches is not assigned with;
Or, according to the corresponding relation between definite UE of this cycle and the process of distributing and definite corresponding relation of a upper cycle, determine the newly-increased UE that does time-division scheduling of this cycle, and according to definite corresponding relation of this cycle, activate the process of the UE distribution of doing time-division scheduling for this cycle is newly-increased.
In another embodiment of the present invention, according to definite corresponding relation of this cycle, activate the process of the UE distribution of doing time-division scheduling for this cycle is newly-increased, specifically comprise:
According to the corresponding relation between definite UE of this cycle and the process of distributing, to the newly-increased UE that does time-division scheduling of this cycle, send the AG value of the whole processes of deexcitation, make the newly-increased whole processes of UE deexcitation of doing time-division scheduling of this cycle, to the newly-increased UE that does time-division scheduling of this cycle, send the AG value that activates one process more afterwards, make the newly-increased UE that does time-division scheduling of this cycle activate the process being assigned with;
Or, according to the corresponding relation between definite UE of this cycle and the process of distributing, to the newly-increased UE that does time-division scheduling of this cycle, send the AG value that activates whole processes, make the newly-increased UE that does time-division scheduling of this cycle activate whole processes, to the newly-increased UE that does time-division scheduling of this cycle, send again afterwards the AG value of deexcitation one process, the process that the newly-increased UE deexcitation of doing time-division scheduling of this cycle is not assigned with.
By said method, undertaken after time-division scheduling, for the not good UE of time-division dispatching effect, in another embodiment of the present invention, also comprising:
The UE that this cycle is done to time-division scheduling according to time-division dispatching effect value is switched to code minute scheduling, and this time-division dispatching effect value at least comprises a kind of in average discharge in Preset Time section of UE that received power, this cycle do time-division scheduling and authorization value.
By the UE that this cycle is done to time-division scheduling according to time-division dispatching effect value, be switched to the mode that code minute is dispatched, can save the resource of time-division scheduling, increase the probability of other UE of scheduling, and then guarantee the performance that the time-division dispatches.
The method that the present embodiment provides, by determining whether UE meets time-division schedulable condition, from the UE Candidate Set that meets time-division schedulable condition obtaining, select one or more groups this cycle to be the UE of time-division scheduling, realization considers to carry out time-division scheduling from community integral body, guarantee user fairness differentiation, and then effectively reduce the interference in community; And owing to being the UE of time-division scheduling, can be many groups, thereby can increase the UE quantity of doing time-division scheduling, make can enjoy the gain of Interference Cancellation characteristic between the UE of time-division scheduling.
The time-division dispatching method providing in order more clearly to set forth above-described embodiment, in conjunction with foregoing, the following embodiment bis-of take is example, and time-division dispatching method is elaborated, and refers to following embodiment bis-:
Embodiment bis-
The present embodiment provides a kind of time-division dispatching method, and in conjunction with the content of above-described embodiment one, the present embodiment be take method that the UE in HSUPA system is carried out to time-division scheduling and is specifically described as example, and referring to Fig. 2, the method flow that the present embodiment provides is specific as follows:
201: according to the parameter of each UE, determine whether UE meets time-division schedulable condition, obtain meeting the UE Candidate Set of time-division schedulable condition;
Particularly, the present embodiment is to determining that the mode whether UE meets time-division schedulable condition limits, and specifically can determine whether UE meets time-division schedulable condition according to the translational speed of UE, TTI, data traffic volume and at least one parameter in chip offset in Preset Time section.For example, if it is 2 milliseconds that the translational speed of UE is less than default thresholding, TTI, have sufficient data traffic volume in Preset Time section, identical or be the integral multiple of 2 milliseconds with the chip offset between other UE, determine that UE meets time-division schedulable condition.
About the concrete size of above-mentioned default thresholding, Preset Time section and the whether sufficient criterion of the data traffic volume of UE, the present embodiment is not specifically limited, and in addition, the integral multiple of 2 milliseconds is the integral multiple of 7560 chips.
202: judge whether UE quantity in Candidate Set and the reception antenna number of community reach threshold value, if so, and execution step 203, otherwise flow process finishes;
Wherein, this step is preferred steps, why judge whether UE quantity in Candidate Set and the reception antenna number of community reach threshold value, in order to guarantee the effect of time-division scheduling, because if the reception antenna number of the UE quantity in Candidate Set and community does not reach threshold value, do not have the effect that time-division dispatching office reaches, or the effect of time-division scheduling is good not.The present embodiment does not limit the size of threshold value, and in practical application, threshold value can obtain according to the configuration parameter of community, and the configuration parameter of the same Bu Dui of the present embodiment community specifically limits.
In addition, when whether the reception antenna number of the UE quantity of the present embodiment in judging Candidate Set and community reaches threshold value, specifically can judge respectively whether the UE quantity in Candidate Set reaches threshold value, and whether the reception antenna number of community reaches threshold value, if the reception antenna number of the UE quantity in Candidate Set and community all reaches threshold value, continue to carry out subsequent step 203.For example, if the reception antenna number of community is 1, the UE quantity in Candidate Set reaches 2, needs to carry out time-division scheduling, execution step 203; Again for example, if the reception antenna number of community is 2, the UE quantity in Candidate Set reaches 4, judges that UE quantity in Candidate Set and the reception antenna number of community all reach threshold value.Total principle is, if while the UE quantity in Candidate Set being divided equally on each reception antenna of community, the UE quantity of each reception antenna is very few, does not have the effect of time-division scheduling, does not need to carry out time-division scheduling.And if while the UE quantity in Candidate Set being divided equally on each reception antenna of community, the UE quantity of dividing each reception antenna equally reaches certain number, now carry out time-division scheduling and can play good time-division dispatching effect, need to carry out time-division scheduling.Certainly, reception antenna quantity except community, can also judge whether this community is ICIC (Inter-Cell Interference Coordination, Inter-Cell Interference Coordination), if be ICIC, divide equally to the UE quantity of each reception antenna than not being ICIC when more, just have good time-division dispatching effect.
203: from Candidate Set, select one or more groups this cycle to be the UE of time-division scheduling;
For this step, from Candidate Set, select before one or more groups this cycle is the UE of time-division scheduling, about the concrete packet count of selecting, the present embodiment is not specifically limited.In practical application, can set this cycle according to the configuration parameter of community and do the fixedly packet count of the UE of time-division scheduling, or, according to the configuration parameter of community and measured value, dynamically adjust this cycle and do the packet count of the UE of time-division scheduling; Wherein, the present embodiment does not limit the configuration parameter of concrete community and measured value, and the configuration parameter of community at least comprises reception antenna number and AG code channel number; Measured value at least comprises UE quantity and the time-division dispatching effect value in Candidate Set in Preset Time section, and time-division dispatching effect value at least comprises a kind of in average discharge in Preset Time section of UE that received power, this cycle do time-division scheduling and authorization value.Wherein, authorization value is the ratio of data channel and control channel power, is equal to UE transmitted power and transmission block length, speed.
In any case determine the packet count of selecting from Candidate Set, every group of UE still can account for 8 HARQ processes, one group of this cycle as shown in Figure 3 does the UE of time-division scheduling and two groups of these cycles as shown in Figure 4 and is the UE that the time-division dispatches, between time-division UE on the same group, do not remain a code minute relation, between time-division UE, do not enjoy on the same group IC (Interference Cancellation, interference elimination) offset the performance gain bringing, for example, UE1 in Fig. 4 and UE5, UE2 and UE6, UE3 and UE7, UE4 and UE8.
Particularly, after determining the concrete packet count of selecting, while selecting this cycle to be the UE of time-division scheduling from Candidate Set, include but not limited to: according to the priority of each UE in Candidate Set, select one or more groups this cycle to be the UE of time-division scheduling.For the UE with equal priority, according to the mode of timeslice poll, select.
In practical application, can, to a plurality of UE in Candidate Set according to priority order sequence from high to low or from low to high, preferentially select the UE that priority is high to do time-division scheduling.About the priority of UE, can be for pre-set, before each UE networks, the priority of setting this UE for type or other reference quantities of this UE; Also can for each UE, carry out the number of times of time-division scheduling, set the priority of each UE, if UE to do the number of times of time-division scheduling many, the priority ratio of this UE is lower, fewer if UE does the number of times of time-division scheduling, the priority ratio of this UE is higher.
For example, the UE that presets all time-division scheduling only accounts for the HARQ process of similar number, as all accounted for 1 HARQ process, so can dispatch 8 users for every group, as all accounted for 4 HARQ processes, so can dispatch 2 users for every group.User's priority embodies by the number of times being dispatched to, and in 100 dispatching cycles, the user of high priority dispatches 80 times, and the user of low priority dispatches 20 times.
Again for example, the UE that presets all time-division scheduling only accounts for 1,2,4 HARQ process, and namely the UE number of one group of time-division scheduling can be only 8,4,2.If cell setting can have at most the UE of 2 groups of time-divisions scheduling so, and minimum 4 UE do time-division scheduling, and the time-division of selecting from the Candidate Set UE number of scheduling can be only 4,8,12,16.According to the user of high, medium and low priority, distribute respectively 4,2,1 HARQ process.
Certainly, except determining whether selecting this this cycle of UE to do time-division scheduling according to the priority of UE, can also select according to other modes, the present embodiment to not selecting the mode that this cycle is the UE of time-division scheduling to limit from Candidate Set.No matter take which kind of mode from Candidate Set, to be chosen in this cycle and be the UE of time-division scheduling, in order to guarantee the overall performance of time-division scheduling, and resource utilization, optionally, the method that the present embodiment provides is selected after one or more groups this cycle is the UE of time-division scheduling from Candidate Set, for the not good UE of time-division dispatching effect, the method that the present embodiment provides also comprises:
The UE that this cycle is done to time-division scheduling according to time-division dispatching effect value is switched to code minute scheduling, wherein, the present embodiment does not limit concrete time-division dispatching effect value herein equally, can include but not limited to average discharge in Preset Time section of UE that received power, this cycle do time-division scheduling and at least one in authorization value.For the not good UE of time-division dispatching effect, make it be switched to code minute scheduling mode, thereby can save the resource of time-division scheduling, increase the probability of other UE of scheduling, and then guarantee the performance of time-division scheduling.
204: for this cycle is done the UE distribution process of time-division scheduling, determine that this cycle does the UE of time-division scheduling and the corresponding relation between the process of distribution;
Particularly, according to this cycle, do the priority of the UE of time-division scheduling and do the UE distribution process of time-division scheduling for this cycle, and the process number of distribution is directly proportional to priority;
Or the corresponding relation that the UE that does time-division scheduling according to this cycle and a upper cycle obtain is done the UE distribution process that the time-division dispatches for this cycle.
Wherein, for this cycle does after the UE distribution process of time-division scheduling, the follow-up effect that can also do time-division scheduling to UE is measured, and be adjusted into according to measured value the process number that UE distributes, and after the process of distributing at UE is counted adjustment, also need corresponding this cycle of adjustment to do the UE of time-division scheduling and the corresponding relation between the process of distribution.
Further, when determining that this cycle is done the UE of time-division scheduling and the corresponding relation between the process of distribution, the present embodiment does not limit the manifestation mode of this corresponding relation, for example, form that can list is done this cycle between the UE of time-division scheduling and the process of distribution corresponding one by one, thereby clearly embodies the corresponding relation of the two.In addition, in order to embody more intuitively the corresponding relation of the two, the method support that the present embodiment provides represents that with time-division scheduling pattern this cycle does the UE of time-division scheduling and the mode of the corresponding relation between the process of distribution, this scheduling pattern can be known and embodies intuitively every group of 8 HARQ course allocation to the description of the UE of which time-division scheduling, as shown in Figure 3 and Figure 4 time-division.
When definite time-division scheduling pattern, can directly determine according to the UE that this cycle is done time-division scheduling the time-division scheduling pattern in this cycle, in addition, in order to improve the efficiency of determining time-division scheduling pattern, can also be according to the time-division scheduling pattern in a upper cycle and this cycle of selecting the UE of time-division scheduling, the time-division scheduling pattern of determining this cycle, definite this cycle is done the UE of time-division scheduling and the corresponding relation between the process of distribution.During specific implementation, the principle of determining the time-division scheduling pattern in this cycle is: for this cycle and on a cycle be all the same UE of time-division scheduling, its corresponding HARQ process was consistent with HARQ process corresponding in the time-division scheduling pattern shown in the upper cycle as far as possible, with this, reduced the quantity of the AG value of follow-up activation process transmission.For example, for a upper cycle, be the UE of time-division scheduling, the process of its distribution is process 1 and process 5 if, if this this cycle of UE is also selectedly done time-division scheduling, this cycle is consistent with the process of a upper period allocated for the process of its distribution as far as possible, and this cycle is also its distribution process 1 and process 5 as far as possible, like this, for this UE, the time-division in its this cycle scheduling pattern and the time-division in upper cycle scheduling pattern do not change.Therefore, for a upper cycle, be the UE of time-division scheduling, if this cycle is also selectedly done time-division scheduling, can the process of this UE do not operated, and directly the newly-increased UE that does time-division scheduling of this cycle is carried out to process activation.Certainly, in order to safeguard the time-division scheduling pattern in this definite cycle, be all the UE of time-division scheduling for a upper cycle and this cycle, can also activate the process of its distribution, concrete active mode refers to following steps 205.
205: according to the corresponding relation between definite UE of this cycle and the process of distributing, activate the process of doing the UE distribution of time-division scheduling for this cycle.
For this step, if UE did time-division scheduling in a upper cycle, this is not selected does time-division scheduling, needs to send to it AG value that activates full process, so that this UE enters code minute from time-division scheduling, dispatches; If UE did code minute scheduling in a upper cycle, this is chosen and does time-division scheduling, and the AG value that needs to send AG value or the deexcitation full process of deexcitation one process and activate one process, so that this UE divides scheduling to enter time-division scheduling from code.To this, the method that the present embodiment provides activates the process of doing the UE distribution of time-division scheduling for this cycle according to definite corresponding relation of this cycle, and the mode of concrete activation process is not limited.Because activation process need to send AG value to corresponding UE, yet, the quantity of the AG value sending is more, the delay time producing is longer, the system resource taking is more, in order to reduce the number of times that sends AG value, and then reduce because sending the time delay that AG value produces and the system resource taking, the mode that the activation that the present embodiment provides is done the process of the UE distribution that the time-division dispatches for this cycle includes but not limited to:
The UE that does time-division scheduling to this cycle according to the corresponding relation between definite UE of this cycle and the process of distributing sends the AG value of the whole processes of deexcitation, make this cycle do the whole processes of UE deexcitation of time-division scheduling, to this cycle, do again afterwards the AG value of the UE transmission activation one process of time-division scheduling, make the UE that this cycle is done time-division scheduling activate the process being assigned with;
Or, the UE that does time-division scheduling to this cycle according to the corresponding relation between definite UE of this cycle and the process of distributing sends the AG value that activates whole processes, make the UE that this cycle is done time-division scheduling activate whole processes, the UE that does time-division scheduling to this cycle more afterwards sends the AG value of deexcitation one process, makes this cycle do the process that UE deexcitation that the time-division dispatches is not assigned with;
Or, according to the corresponding relation between definite UE of this cycle and the process of distributing and definite corresponding relation of a upper cycle, determine the newly-increased UE that does time-division scheduling of this cycle, and according to definite corresponding relation of this cycle, activate the process of the UE distribution of doing time-division scheduling for this cycle is newly-increased.
Further, according to the corresponding relation between definite UE of this cycle and the process of distributing, activate the process of the UE distribution of doing time-division scheduling for this cycle is newly-increased, specifically comprise:
According to the corresponding relation between definite UE of this cycle and the process of distributing, to the newly-increased UE that does time-division scheduling of this cycle, send the AG value of the whole processes of deexcitation, make the newly-increased whole processes of UE deexcitation of doing time-division scheduling of this cycle, to the newly-increased UE that does time-division scheduling of this cycle, send the AG value that activates one process more afterwards, make the newly-increased UE that does time-division scheduling of this cycle activate the process being assigned with;
Or, according to the corresponding relation between definite UE of this cycle and the process of distributing, to the newly-increased UE that does time-division scheduling of this cycle, send the AG value that activates whole processes, make the newly-increased UE that does time-division scheduling of this cycle activate whole processes, to the newly-increased UE that does time-division scheduling of this cycle, send again afterwards the AG value of deexcitation one process, the process that the newly-increased UE deexcitation of doing time-division scheduling of this cycle is not assigned with.
It should be noted that, the present embodiment did not limit the size in above-mentioned this cycle being mentioned to and a upper cycle, the size of dispatching cycle time-division is not limited, in practical application, can be set different dispatching cycles time-division for different districts, also can be set identical dispatching cycle time-division to all communities, for example, be set into 160ms (millisecond).For the not selected UE that does time-division scheduling of this cycle, can be used as the time-division scheduler object of next cycle or subsequent cycle, also can all according to a code minute mode, dispatch, for code, divide the mode of scheduling, the present embodiment is not specifically limited, and specifically can realize according to existing code minute scheduling mode.
The method that the present embodiment provides, by determining whether UE meets time-division schedulable condition, from the UE Candidate Set that meets time-division schedulable condition obtaining, select one or more groups this cycle to be the UE of time-division scheduling, realization considers to carry out time-division scheduling from community integral body, guarantee user fairness differentiation, and then effectively reduce the interference in community; And owing to being the UE of time-division scheduling, can be many groups, thereby can increase the UE quantity of doing time-division scheduling, make can enjoy the gain of Interference Cancellation characteristic between the UE of time-division scheduling; In addition, by judging whether UE quantity in Candidate Set and the reception antenna number of community reach threshold value, and after judgement reaches threshold value, carry out again the correlation step of time-division scheduling, and then can guarantee the performance of time-division scheduling; By the UE that this cycle is done to time-division scheduling according to time-division dispatching effect, be switched to the mode that code minute is dispatched, not only can guarantee the performance of time-division scheduling, also can further improve resource utilization.
Embodiment tri-
The present embodiment provides a kind of time-division dispatching device, and referring to Fig. 5, the time-division dispatching device that the present embodiment provides comprises:
The first determination module 51, for determining according to the parameter of each user equipment (UE) whether UE meets time-division schedulable condition, obtains meeting the UE Candidate Set of time-division schedulable condition;
Select module 52, for the Candidate Set obtaining from the first determination module 51, select one or more groups this cycle to be the UE of time-division scheduling;
Distribution module 53, is used to this cycle of selecting module 52 to select to do the UE distribution process of time-division scheduling;
The second determination module 54, this cycle of selecting for definite selection module 52 is done the corresponding relation between the UE of time-division scheduling and the process of distribution module 53 distribution;
Active module 55, for according to the second determination module 54, the corresponding relation between definite UE of this cycle and the process of distributing activates distribution module 53 and does the process of the UE distribution of time-division scheduling for this cycle.
Wherein, the first determination module 51, specifically for determining according to the translational speed of each UE, Transmission Time Interval, data traffic volume and at least one parameter in chip offset in Preset Time section whether UE meets time-division schedulable condition.
Optionally, in order to guarantee the effect of time-division scheduling, referring to Fig. 6, this device also comprises:
Judge module 56, for judging whether the UE quantity of Candidate Set and the reception antenna number of community reach threshold value, if so, selects module 52 to continue execution and from Candidate Set, selects one or more groups this cycle to do the step of the UE of time-division scheduling.
Further, select module 52, also for set this cycle according to the configuration parameter of community, do the fixedly packet count of the UE of time-division scheduling, or, according to the configuration parameter of community and measured value, dynamically adjust this cycle and do the packet count of the UE of time-division scheduling;
Wherein, the configuration parameter of community at least comprises reception antenna number and AG code channel number;
Measured value at least comprises UE quantity and the time-division dispatching effect value in Candidate Set in Preset Time section, and time-division dispatching effect value at least comprises a kind of in average discharge in Preset Time section of UE that received power, this cycle do time-division scheduling and authorization value.
Particularly, select module 52, specifically for the priority of each UE in the Candidate Set obtaining according to the first determination module 51, select one or more groups this cycle to be the UE of time-division scheduling.
About selecting module 52 to determine the mode of packet count and selecting one or more groups this cycle to do the mode of the UE of time-division scheduling from Candidate Set, refer to the associated description of step 203 in above-described embodiment two, repeat no more herein.
Optionally, referring to Fig. 7, this device also comprises:
Handover module 57, for selecting module 52, from Candidate Set, select after one or more groups this cycle is the UE of time-division scheduling, the UE that this cycle is done to time-division scheduling according to time-division dispatching effect value is switched to code minute scheduling, and this time-division dispatching effect value at least comprises a kind of in average discharge in Preset Time section of UE that received power, this cycle do time-division scheduling and authorization value.
Particularly, distribution module 53, do the UE distribution process of time-division scheduling for this cycle, and the process number of distribution is directly proportional specifically for do the priority of the UE of time-division scheduling according to this cycle to priority; Or the corresponding relation that the UE that does time-division scheduling according to this cycle and a upper cycle obtain is done the UE distribution process that the time-division dispatches for this cycle.
About distribution module 53, do the mode of the UE distribution process of time-division scheduling for this cycle, refer to the associated description of step 204 in as above embodiment bis-, repeat no more herein.
Particularly, about active module 55, according to the corresponding relation between definite UE of this cycle and the process of distributing, activate the mode of process of doing the UE distribution of time-division scheduling for this cycle, the associated description that refers to step 205 in above-described embodiment two repeats no more herein.Referring to Fig. 8, this active module 55, specifically comprises:
The first transmitting element 551, sends the AG value of the whole processes of deexcitation for the UE that does time-division scheduling to this cycle according to the corresponding relation between definite UE of this cycle and the process of distributing, make this cycle do the whole processes of UE deexcitation that the time-division dispatches;
The second transmitting element 552, sends for be the UE of time-division scheduling to this cycle the AG value that activates one process, makes the UE that this cycle is done time-division scheduling activate the process being assigned with;
Or referring to Fig. 9, active module 55, specifically comprises:
The 3rd transmitting element 553, sends for the UE that does time-division scheduling to this cycle according to the corresponding relation between definite UE of this cycle and the process of distributing the AG value that activates whole processes, makes this cycle be the UE that the time-division dispatches and activates whole processes;
The 4th transmitting element 554, sends the AG value of deexcitation one process for be the UE of time-division scheduling to this cycle, make this cycle do the process that UE deexcitation that the time-division dispatches is not assigned with;
Or referring to Figure 10, active module 55, specifically comprises:
Determining unit 555, for determining the newly-increased UE that does time-division scheduling of this cycle according to the corresponding relation between definite UE of this cycle and the process of distributing and definite corresponding relation of a upper cycle;
Activate unit 556, for activate the process of the UE distribution of doing time-division scheduling for this cycle is newly-increased according to definite corresponding relation of this cycle.
Further, referring to Figure 11, activate unit 556, specifically comprise:
First sends subelement 5561, for sending the AG value of the whole processes of deexcitation according to definite UE of this cycle to the newly-increased UE that does time-division scheduling of this cycle with the corresponding relation between the process of distributing, this cycle increased newly the whole processes of UE deexcitation that the time-division dispatches of doing;
Second sends subelement 5562, for sending to the newly-increased UE that does time-division scheduling of this cycle the AG value that activates one process, makes the newly-increased UE that does time-division scheduling of this cycle activate the process being assigned with;
Or, referring to Figure 12, activate unit 556, specifically comprise:
The 3rd sends subelement 5563, for sending to the newly-increased UE that does time-division scheduling of this cycle the AG value that activates whole processes with the corresponding relation between the process of distributing according to definite UE of this cycle, this cycle being increased newly, is the UE that the time-division dispatches and activates whole processes;
The 4th sends subelement 5564, for send the AG value of deexcitation one process, the process that the newly-increased UE deexcitation of doing time-division scheduling of this cycle is not assigned with to the newly-increased UE that does time-division scheduling of this cycle.
It should be noted that, the time-division dispatching device that the present embodiment provides is specifically as follows network side apparatus, is specially which kind of network side apparatus, and the present embodiment does not limit, such as thinking base station etc.
The device that the present embodiment provides, by determining whether UE meets time-division schedulable condition, from the UE Candidate Set that meets time-division schedulable condition obtaining, select one or more groups this cycle to be the UE of time-division scheduling, realization considers to carry out time-division scheduling from community integral body, guarantee user fairness differentiation, and then effectively reduce the interference in community; And owing to being the UE of time-division scheduling, can be many groups, thereby can increase the UE quantity of doing time-division scheduling, make can enjoy the gain of Interference Cancellation characteristic between the UE of time-division scheduling; In addition, by judging whether UE quantity in Candidate Set and the reception antenna number of community reach threshold value, and after judgement reaches threshold value, carry out again the correlation step of time-division scheduling, and then can guarantee the performance of time-division scheduling; By the UE that this cycle is done to time-division scheduling according to time-division dispatching effect, be switched to the modes such as code minute scheduling, not only can guarantee the performance of time-division scheduling, also can further improve resource utilization.
It should be noted that: the time-division dispatching device that above-described embodiment provides is carrying out when scheduling time-division, only the division with above-mentioned each functional module is illustrated, in practical application, can above-mentioned functions be distributed and by different functional modules, completed as required, the internal structure that is about to device is divided into different functional modules, to complete all or part of function described above.In addition, the time-division dispatching device that above-described embodiment provides and the time-division dispatching method embodiment belong to same design, its specific implementation process refers to embodiment of the method, repeats no more here.
One of ordinary skill in the art will appreciate that all or part of step that realizes above-described embodiment can complete by hardware, also can come the hardware that instruction is relevant to complete by program, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium of mentioning can be read-only memory, disk or CD etc.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (16)
1. a time-division dispatching method, is characterized in that, described method comprises:
According to the parameter of each user equipment (UE), determine whether described UE meets time-division schedulable condition, obtain meeting the UE Candidate Set of time-division schedulable condition;
From described Candidate Set, select one or more groups this cycle to be the UE of time-division scheduling, and do the UE distribution process of time-division scheduling for this cycle, determine that this cycle does UE that the time-division dispatches and the corresponding relation between the process of distribution;
According to the corresponding relation between this cycle described UE determining and process of distributing, to this cycle, do the absolute grant channel AG value of the whole processes of UE transmission deexcitation of time-division scheduling, make this cycle do the whole processes of UE deexcitation of time-division scheduling, to this cycle, do again afterwards the AG value of the UE transmission activation one process of time-division scheduling, make the UE that this cycle is done time-division scheduling activate the process being assigned with; Or, the UE that does time-division scheduling to this cycle according to the corresponding relation between this cycle described UE determining and process of distributing sends the AG value of the whole processes of activation, make the UE that this cycle is done time-division scheduling activate whole processes, the UE that does time-division scheduling to this cycle more afterwards sends the AG value of deexcitation one process, makes this cycle do the process that UE deexcitation that the time-division dispatches is not assigned with; Or, according to definite corresponding relation of the corresponding relation between this cycle described UE determining and process of distributing and a upper cycle, determined the newly-increased UE that does time-division scheduling of this cycle, and activate and increase the process of doing the UE distribution that the time-division dispatches newly for this cycle according to the corresponding relation between this cycle described UE determining and process of distributing.
2. method according to claim 1, is characterized in that, the described parameter according to each user equipment (UE) determines that whether described UE meets time-division schedulable condition, specifically comprises:
According to the translational speed of each UE, Transmission Time Interval, data traffic volume and at least one parameter in chip offset in Preset Time section, determine whether described UE meets time-division schedulable condition.
3. method according to claim 1, is characterized in that, described method also comprises:
Judge whether UE quantity in described Candidate Set and the reception antenna number of community reach threshold value, if so, continue to carry out the step of selecting one or more groups this cycle to be the UE of time-division scheduling from described Candidate Set.
4. according to the method described in arbitrary claim in claims 1 to 3, it is characterized in that, described method also comprises:
According to the configuration parameter of community, set this cycle and do the fixedly packet count of the UE of time-division scheduling, or, according to the configuration parameter of described community and measured value, dynamically adjust this cycle and do the packet count of the UE of time-division scheduling;
Wherein, the configuration parameter of described community at least comprises reception antenna number and absolute grant channel AG code channel number;
Described measured value at least comprises UE quantity and the time-division dispatching effect value in described Candidate Set in Preset Time section, and described time-division dispatching effect value at least comprises a kind of in average discharge in Preset Time section of UE that received power, this cycle do time-division scheduling and authorization value.
5. method according to claim 4, is characterized in that, describedly from described Candidate Set, selects the UE that one or more groups this cycle does time-division scheduling, specifically comprises:
According to the priority of each UE in described Candidate Set, select one or more groups this cycle to be the UE of time-division scheduling.
6. method according to claim 4, is characterized in that, described method also comprises:
The UE that this cycle is done to time-division scheduling according to time-division dispatching effect value is switched to code minute scheduling, and described time-division dispatching effect value at least comprises a kind of in average discharge in Preset Time section of UE that received power, this cycle do time-division scheduling and authorization value.
7. method according to claim 4, is characterized in that, describedly does the UE distribution process of time-division scheduling for this cycle, specifically comprises:
According to this cycle, do the priority of the UE of time-division scheduling and do the UE distribution process of time-division scheduling for this cycle, and the process number of distribution is directly proportional to priority;
Or the corresponding relation that the UE that does time-division scheduling according to this cycle and a upper cycle obtain is done the UE distribution process that the time-division dispatches for this cycle.
8. method according to claim 1, is characterized in that, the described process of doing the UE distribution that the time-division dispatches for this cycle is newly-increased that activates according to the corresponding relation between this cycle described UE determining and process of distributing, specifically comprises:
According to the corresponding relation between this cycle described UE determining and process of distributing to the newly-increased AG value of doing the whole processes of UE transmission deexcitation of time-division scheduling of this cycle, make the newly-increased whole processes of UE deexcitation of doing time-division scheduling of this cycle, to the newly-increased UE that does time-division scheduling of this cycle, send the AG value that activates one process more afterwards, make the newly-increased UE that does time-division scheduling of this cycle activate the process being assigned with;
Or, according to the corresponding relation between this cycle described UE determining and process of distributing, to the newly-increased UE that does time-division scheduling of this cycle, send the AG value of the whole processes of activation, make the newly-increased UE that does time-division scheduling of this cycle activate whole processes, to the newly-increased UE that does time-division scheduling of this cycle, send again afterwards the AG value of deexcitation one process, the process that the newly-increased UE deexcitation of doing time-division scheduling of this cycle is not assigned with.
9. a time-division dispatching device, is characterized in that, described device comprises:
The first determination module, for determining according to the parameter of each user equipment (UE) whether described UE meets time-division schedulable condition, obtains meeting the UE Candidate Set of time-division schedulable condition;
Select module, for the Candidate Set obtaining from described the first determination module, select one or more groups this cycle to be the UE of time-division scheduling;
Distribution module, this cycle that is used to described selection module to select is done the UE distribution process of time-division scheduling;
The second determination module, this cycle of selecting for definite described selection module is done the UE of time-division scheduling and the corresponding relation between the process of described module assigns;
Active module, specifically comprises:
The first transmitting element, for the corresponding relation between the described UE determining according to this cycle and the process of distributing, to this cycle, do the absolute grant channel AG value of the whole processes of UE transmission deexcitation of time-division scheduling, make this cycle do the whole processes of UE deexcitation of time-division scheduling;
The second transmitting element, sends for be the UE of time-division scheduling to this cycle the AG value that activates one process, makes the UE that this cycle is done time-division scheduling activate the process being assigned with;
Or described active module, specifically comprises:
The 3rd transmitting element, the UE that does time-division scheduling to this cycle for the corresponding relation between the described UE determining according to this cycle and the process of distributing sends the AG value that activates whole processes, makes the UE that this cycle is done time-division scheduling activate whole processes;
The 4th transmitting element, sends the AG value of deexcitation one process for be the UE of time-division scheduling to this cycle, make this cycle do the process that UE deexcitation that the time-division dispatches is not assigned with;
Or described active module, specifically comprises:
Determining unit, determined for definite corresponding relation of the corresponding relation between the described UE determining according to this cycle and the process of distributing and a upper cycle that this cycle increases newly and is the UE that the time-division dispatches;
Activation unit, activates the process that increases the UE distribution of doing time-division scheduling for this cycle newly for the corresponding relation between the described UE determining according to this cycle and the process of distributing.
10. device according to claim 9, it is characterized in that, described the first determination module, specifically for determining according to the translational speed of each UE, Transmission Time Interval, data traffic volume and at least one parameter in chip offset in Preset Time section whether described UE meets time-division schedulable condition.
11. devices according to claim 9, is characterized in that, described device also comprises:
Judge module, for judging whether the UE quantity of described Candidate Set and the reception antenna number of community reach threshold value, if so, described selection module continues to carry out the step of selecting one or more groups this cycle to be the UE of time-division scheduling from described Candidate Set.
12. according to the device described in arbitrary claim in claim 9 to 11, it is characterized in that, described selection module, also for set this cycle according to the configuration parameter of community, do the fixedly packet count of the UE of time-division scheduling, or, according to the configuration parameter of described community and measured value, dynamically adjust this cycle and do the packet count of the UE of time-division scheduling;
Wherein, the configuration parameter of described community at least comprises reception antenna number and absolute grant channel AG code channel number;
Described measured value at least comprises UE quantity and the time-division dispatching effect value in described Candidate Set in Preset Time section, and described time-division dispatching effect value at least comprises a kind of in average discharge in Preset Time section of UE that received power, this cycle do time-division scheduling and authorization value.
13. devices according to claim 12, is characterized in that, described selection module selects one or more groups this cycle to be the UE of time-division scheduling specifically for the priority of each UE in the Candidate Set obtaining according to described the first determination module.
14. devices according to claim 12, is characterized in that, described device also comprises:
Handover module, for the UE that this cycle is done to time-division scheduling according to time-division dispatching effect value, be switched to code minute scheduling, described time-division dispatching effect value at least comprises a kind of in average discharge in Preset Time section of UE that received power, this cycle do time-division scheduling and authorization value.
15. devices according to claim 12, is characterized in that, described distribution module specifically for do the priority of the UE of time-division scheduling according to this cycle, do the UE distribution process of time-division scheduling for this cycle, and the process number of distribution is directly proportional to priority; Or the corresponding relation that the UE that does time-division scheduling according to this cycle and a upper cycle obtain is done the UE distribution process that the time-division dispatches for this cycle.
16. devices according to claim 9, is characterized in that, described activation unit, specifically comprises:
First sends subelement, the AG value that sends the whole processes of deexcitation to the newly-increased UE that does time-division scheduling of this cycle for the corresponding relation between the described UE determining according to this cycle and the process of distributing, makes the newly-increased whole processes of UE deexcitation of doing time-division scheduling of this cycle;
Second sends subelement, for sending to the newly-increased UE that does time-division scheduling of this cycle the AG value that activates one process, makes the newly-increased UE that does time-division scheduling of this cycle activate the process being assigned with;
Or described activation unit, specifically comprises:
The 3rd sends subelement, for the corresponding relation between the described UE determining according to this cycle and the process of distributing, to the newly-increased UE that does time-division scheduling of this cycle, sends the AG value that activates whole processes, makes the newly-increased UE that does time-division scheduling of this cycle activate whole processes;
The 4th sends subelement, for send the AG value of deexcitation one process, the process that the newly-increased UE deexcitation of doing time-division scheduling of this cycle is not assigned with to the newly-increased UE that does time-division scheduling of this cycle.
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