CN103260245B - A kind of method and apparatus adjusting interception reference signal bandwidth - Google Patents
A kind of method and apparatus adjusting interception reference signal bandwidth Download PDFInfo
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Abstract
The embodiment of the invention discloses a kind of method adjusting interception reference signal bandwidth, this technical scheme is by the SRS resource total amount being currently allocated in obtaining community, utilization power according to SRS resource adjusts the SRS resource to UE and distributes, thus when SRS resource utilization rate height, suitably reduce the SRS resource distributing to UE, provide service for more UE；When SRS resource also has relatively multiresidue, distributing more SRS resource for UE in community, suitable UE has more excellent communication service.Therefore, the embodiment of the present invention one provides method to distribute SRS resource according to SRS resource utilization rate to UE, take into account the service that cell-level demand and user class demand provide more intelligent, reasonable distribution SRS resource, it is achieved that eNodeB is to the optimized scheduling of UE uplink frequency domain resources and to down beam shaping and the guarantee of uplink loss detection function.
Description
Technical field
The present invention relates to communication technical field, be specifically related to a kind of method adjusting interception reference signal bandwidth
And device.
Background technology
In corresponding Long Term Evolution (LTE, Long Time Evolution) uplink technology, subscriber equipment
The frequency band every time taken in the data transmission of (UE, User Equipment) is very limited amount of, and in order to
Realizing the scheduling on up frequency domain, base station (eNodeB) wishes to obtain each UE whole or specific
In the range of up frequency domain on channel quality information.Therefore, UE is except in own data transmission bandwidth
Send and reconcile beyond reference signal, in addition it is also necessary to additionally send on other frequency bands interception reference signal (SRS,
Sounding Reference Signal), detect for downlink wave beam molding and UE uplink loss.
Although the realization mechanism of SRS be dependent on UE send reference signal, but UE in LTE system
Resource needed for realizing SRS is all distributed by eNodeB, including specific transmission sequence and transmission sequence
Shared running time-frequency resource etc., UE sends reference signal according to the instruction of eNodeB.
The SRS resource of the UE distribution in eNodeB is community in prior art is fixing, if
ENodeB be in community UE distribution SRS intercept band width configuration excessive time, although be conducive to eNodeB
Scheduling to UE uplink frequency domain resources, but in community, the receptive number of users of institute is less；If eNodeB
For in community UE distribute SRS intercept band width configuration too small time, although receptive use in community
Amount is relatively big, but is detrimental to the eNodeB scheduling to UE uplink frequency domain resources.Therefore, prior art
Middle eNodeB can not realize reasonably configuring the SRS resource of UE, causes SRS resource service efficiency not
High shortcoming.
Summary of the invention
Embodiments provide a kind of method and apparatus adjusting interception reference signal bandwidth, it is possible to root
According to the service condition of the SRS resource in community, it is adjusted to the SRS resource of UE distribution, thus improves
SRS resource service efficiency.
Embodiments provide a kind of method adjusting interception reference signal bandwidth, including:
The interception reference signal total resources being currently allocated in obtaining community；
Judge the current interception reference signal total resources being allocated and preset allocation threshold RSRS, allocWith release threshold value RSRS, freeNumerical values recited relation；
If the interception reference signal total resources being currently allocated is more than allocation threshold RSRS, allocTime,
The interception reference signal resource of the subscriber equipment distributed in community is reduced to bandwidth value A, this bandwidth value A
Bandwidth value less than the interception reference signal resource that the last time is the distribution of described intra-cell users equipment；
If judging, the interception reference signal total resources being currently allocated is less than release threshold value RSRS, free
Time, the interception reference signal resource of the subscriber equipment distributed in community is promoted to bandwidth value B, this band
Width values B is more than the bandwidth of the interception reference signal resource that the last time is the distribution of described intra-cell users equipment
Value.
The embodiment of the present invention additionally provides a kind of device adjusting interception reference signal bandwidth, including: obtain
Unit, it is judged that unit, reduces unit, and lift unit；
Acquiring unit, the interception reference signal total resources being currently allocated in obtaining community；
Judging unit, for judging that the interception reference signal total resources being currently allocated is with preset
Allocation threshold RSRS, allocWith release threshold value RSRS, freeNumerical values recited relation；
Reduce unit, if the interception reference signal total resources for being currently allocated is more than distribution threshold
Value RSRS, allocTime, the interception reference signal resource of the subscriber equipment distributed in community is reduced to bandwidth
Value A, this bandwidth value A are less than the interception reference signal money that the last time is the distribution of described intra-cell users equipment
The bandwidth value in source；
Lift unit, if for judging the interception reference signal total resources being currently allocated less than releasing
Put threshold value RSRS, freeTime, the interception reference signal resource of the subscriber equipment distributed in community is promoted to band
Width values B, this bandwidth value B is more than the interception reference signal that the last time is the distribution of described intra-cell users equipment
The bandwidth value of resource.
As can be seen from the above technical solutions, this technical scheme is by being currently allocated in obtaining community
SRS resource total amount, adjust the SRS resource to UE according to the utilization power of SRS resource and distribute, from
And when SRS resource utilization rate height, suitably reduce the SRS resource distributing to UE, carry for more UE
For service；When SRS resource also has relatively multiresidue, distribute more SRS resource for UE in community,
Suitably UE has more excellent communication service.Therefore, the embodiment of the present invention one provides method to provide according to SRS
UE is distributed SRS resource by source utilization rate, takes into account cell-level demand and user class demand provides more intelligent
Service, reasonable distribution SRS resource, it is achieved that the eNodeB optimized scheduling to UE uplink frequency domain resources
And down beam shaping and uplink loss are detected the guarantee of function.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that below,
Accompanying drawing in description is only some embodiments of the present invention, for those of ordinary skill in the art,
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 a kind of method flow letter adjusting interception reference signal bandwidth that the embodiment of the present invention one provides
Figure；
Fig. 2 a is a kind of method part stream adjusting interception reference signal bandwidth that the embodiment of the present invention two provides
Journey sketch；
Fig. 2 b is a kind of method part stream adjusting interception reference signal bandwidth that the embodiment of the present invention two provides
Journey sketch；
Fig. 3 is a kind of method part stream adjusting interception reference signal bandwidth that the embodiment of the present invention three provides
Journey sketch；
Fig. 4 is a kind of method part stream adjusting interception reference signal bandwidth that the embodiment of the present invention three provides
Journey sketch；
Fig. 5 is a kind of device signal letter adjusting interception reference signal bandwidth that the embodiment of the present invention four provides
Figure；
Fig. 6 is a kind of device signal letter adjusting interception reference signal bandwidth that the embodiment of the present invention five provides
Figure；
Fig. 7 is a kind of device signal letter adjusting interception reference signal bandwidth that the embodiment of the present invention six provides
Figure.
Detailed description of the invention
Embodiment one
Embodiments provide a kind of method adjusting interception reference signal bandwidth, as it is shown in figure 1,
The method includes:
Step 101: the SRS resource total amount being currently allocated in obtaining community；
Wherein it is desired to be understood by, the SRS money being currently allocated in obtaining community in step 101
The operation of source total amount can be repeatedly to trigger to perform, and trigger condition is determined by designer；Step 101
The execution UE distribution SRS resource that can also newly increase in Shi Dui community after trigger, it is also possible to
UE in Shi Dang community triggers after releasing SRS resource, or other condition triggers execution
Step 101, the embodiment of the present invention does not limits.
It is also to be appreciated that the SRS resource that community described in step 101 has been allocated is total
Amount may is that eNodeB is the summation of the SRS resource of each UE distribution in community.
Step 102: judge the current SRS resource total amount being allocated and preset distribution
Threshold value RSRS, allocWith release threshold value RSRS, freeNumerical values recited relation；
Wherein, preset in step 102 allocation threshold RSRS, allocWith release threshold value RSRS, free, by setting
Meter personnel determine according to the planning of community.Allocation threshold is more than release threshold value (RSRS, alloc＞ RSRS, free)。
Step 103: if the SRS resource total amount being currently allocated is more than allocation threshold RSRS, allocTime,
The SRS resource of the UE distributed in community is reduced to bandwidth value A, and this bandwidth value A is less than the last time
Bandwidth value for the SRS resource that this UE distributes；
By performing step 103, in eNodeB finds community, the usage amount of SRS resource has been over
Allocation threshold RSRS, allocTime, the SRS resource of each UE distribution in community can be reduced to, ensureing
The premise of communication quality exists, and increases the capacity of community such that it is able to provide service for more UE.
Step 104: the SRS resource total amount being currently allocated is less than release threshold value R if judgingSRS, free
Time, the SRS resource of the UE distributed in community is promoted to bandwidth value B, this bandwidth value B is more than upper
The bandwidth value of the SRS resource once distributed for this UE.
By performing step 104, in eNodeB finds community, the usage amount of SRS resource is less than release threshold
Value RSRS, freeTime, show that community also has more SRS resource to leave unused, not utilized, eNodeB is permissible
The SRS resource of each UE distribution in rising to community, provides more for the UE covered current in community
Resource so that UE has the Consumer's Experience of more high-quality.
By the above-mentioned explanation to the embodiment of the present invention one, the method by obtaining community current the most by
The SRS resource total amount of distribution, adjusts the SRS resource to UE according to the utilization power of SRS resource and distributes,
Thus when SRS resource utilization rate height, suitably reduce the SRS resource distributing to UE, for more UE
Service is provided；When SRS resource also has relatively multiresidue, distribute more SRS resource for UE in community,
Suitably UE has more excellent communication service.Therefore, the embodiment of the present invention one provides method to provide according to SRS
UE is distributed SRS resource by source utilization rate, takes into account cell-level demand and user class demand provides more intelligent
Service, reasonable distribution SRS resource, it is achieved that the eNodeB optimized scheduling to UE uplink frequency domain resources
And down beam shaping and uplink loss are detected the guarantee of function.
Preferably, in order to prevent from eNodeB occurs table tennis effect when being adjusted to the SRS resource of UE distribution
Should, the embodiment of the present invention has been preferable to provide allocation threshold RSRS, allocWith release threshold value RSRS, freeBetween
Relation, shown in following formula (1):
RSRS, alloc=RSRS, free×NMAX+Δf(1)
Wherein, NMAXFor the maximum of the ratio between adjacent bandwidths rank, for existing LTE technology,
ENodeB is that the SRS resource of UE distribution generally includes four kinds of rank bandwidth, i.e. mSRS, bMiddle b=0,1,
2,3, NMAXFor mSRS, bWith mSRS, b+1The maximum of ratio, Δ f is expressed as SRS resource distribution
Bandwidth adjustment protection interval, RSRS, allocWith Δ f by operation maintenance center (OMC, Operation
Management Center) configuration, RSRS, freeCalculated by formula, thus can avoid distributing SRS
During resource, the ping-pong that Bandwidth Dynamic adjusts is it can be understood as in allocation threshold RSRS, allocAnd release
Threshold value RSRS, freeThere is between numerical value corresponding distance, be not result in frequently rising to the SRS of UE distribution
Resource, or the SRS resource of UE distribution will not be reduced to frequently.
Above-mentioned about avoiding eNodeB occurs the explanation of ping-pong, it is for the ease of understanding that the present invention is real
Execute a kind of citing of example, should not be construed the restriction to the embodiment of the present invention.
Embodiment two
The embodiment of the present invention provides a kind of method adjusting interception reference signal bandwidth, the method and embodiment
One is based on identical design, but embodiment two is one more specifically implementation, adds triggering and performs
Adjust the condition of (including: improve or reduce) SRS resource distribution, as being assigned with SRS money for UE
After source, it may be judged whether beyond allocation threshold, carrying out follow-up judging whether needs to be reduced to UE distribution
SRS resource；Or after such as releasing the SRS resource of UE, it may be judged whether less than release threshold value, enter
Row is follow-up judges whether to need to rise to the SRS resource of UE distribution in community.
The method providing the embodiment of the present invention two illustrates, as shown in Figure 2 a, and including:
Step 201: be prepared as, in for community, interception reference signal (SRS, the Sounding that UE distributes
Reference Signal) resource is bandwidth value mSRS, bAfterwards, currently it has been allocated in obtaining community
SRS resource total amount, described SRS resource total amount includes the SRS resource being currently prepared as UE distribution；
Step 202: judge that whether the SRS resource total amount being currently allocated is more than allocation threshold RSRS, alloc；If it is, perform step 203；If it does not, terminate
Step 203: the SRS resource of the UE distributed in community is reduced to bandwidth value A, this bandwidth value
A is less than the bandwidth value of the last SRS resource for this UE distribution；
It should be noted that for existing LTE technology, eNodeB is that the SRS resource of UE distribution is usual
Including four kinds of rank bandwidth, i.e. mSRS, bMiddle b=0,1,2,3, and the numerical relation of bandwidth value is
mSRS, 0＞=mSRS, 1＞=mSRS, 2＞=mSRS, 3。
If eNodeB is a width of m of band of the SRS resource of one of them UE distribution in communitySRS, 0Time,
When performing step 203, it will be reduced to the SRS resource of UE distribution, the most again distribute SRS for UE
Resource is bandwidth mSRS, 1.In like manner, it is also possible to by distributing to, the SRS resource of other UE in community is corresponding
Reduce.
Subsequent step 204 to step 206, sees shown in Fig. 2 b.
Step 204: after being released to the SRS resource of UE distribution, is currently divided in obtaining community
The SRS resource total amount joined；
Step 205: judge that whether the SRS resource total amount being currently allocated is less than release
Threshold value RSRS, free；If it is, perform step 206；If it does not, terminate；
Step 206: the SRS resource of the UE distributed in community is promoted to bandwidth value B, this bandwidth value
B is more than the bandwidth value of the last SRS resource for this UE distribution.
Wherein, the explanation of bandwidth value A it is referred to about the explanation of bandwidth value B, i.e. for existing LTE
Technology, eNodeB is that the SRS resource of UE distribution generally includes four kinds of bandwidth, i.e. mSRS, bMiddle b=0,
1,2,3, and the numerical relation of bandwidth value is mSRS, 0＞=mSRS, 1＞=mSRS, 2＞=mSRS, 3。
On known once after SRS resource for UE distribution, the bandwidth value B promoting distribution can choose and is more than
The bandwidth of the last SRS resource for UE distribution.
In the present embodiment two, in order to prevent that eNodeB occurs when being adjusted to the SRS resource of UE distribution
Ping-pong, can arrange allocation threshold RSRS, allocWith release threshold value RSRS, freeTherebetween relation,
Illustrate the explanation being referred in embodiment one.
By the above-mentioned explanation to the embodiment of the present invention two, the method by obtaining community current the most by
The SRS resource total amount of distribution, adjusts the SRS resource to UE according to the utilization power of SRS resource and distributes,
Thus when SRS resource utilization rate height, suitably reduce the SRS resource distributing to UE, for more UE
Service is provided；When SRS resource also has relatively multiresidue, distribute more SRS resource for UE in community,
Suitably UE has more excellent communication service.Therefore, the embodiment of the present invention two provides method to provide according to SRS
UE is distributed SRS resource by source utilization rate, takes into account cell-level demand and user class demand provides more intelligent
Service, reasonable distribution SRS resource, it is achieved that the eNodeB optimized scheduling to UE uplink frequency domain resources
And down beam shaping and uplink loss are detected the guarantee of function.
Embodiment three
The embodiment of the present invention provides a kind of method adjusting interception reference signal bandwidth, the method and embodiment
Two is similar, and difference is, the SRS resource in the method that embodiment three provides distributed UE is more
Specifically, more sophisticated.
As it is shown on figure 3, the method includes:
Step 301: in being prepared as community UE distribution for interception reference signal (SRS, Sounding
Reference Signal) resource is bandwidth value mSRS, bAfterwards, currently it has been allocated in obtaining community
SRS resource total amount, described SRS resource total amount includes the SRS resource being currently prepared as UE distribution；
Step 302: judge that whether the SRS resource total amount being currently allocated is more than allocation threshold RSRS, alloc；If it does not, perform step 303；If it is, perform step 304；
Step 303: with bandwidth value mSRS, bThe SRS resource distributed for this UE, terminates；
Step 304: judge whether the current bandwidth value as the SRS resource of this UE distribution is minimum bandwidth
mSRS, 3, if it is, perform step 305, if it does not, perform step 306；
Step 305: with bandwidth value mSRS, bThe SRS resource distributed for this UE is bandwidth value mSRS, 3,
Terminate；
Step 306: judge the bandwidth value m of the SRS resource currently distributed as this UESRS, b, if full
Foot mSRS, bWith mSRS, b+1Equal, if it is, perform step 307, if it does not, perform step 308；
It should be noted that in existing LTE technology, it is stipulated that mSRS, 0＞=mSRS, 1＞=mSRS, 2
＞=mSRS, 3, and if only if mSRS, bM when intercepting bandwidth (4RB) for minimumSRS, bWith mSRS, b+1?
Equal.Therefore, the meaning that realizes of step 306 is so that eNodeB judges currently as UE distribution
SRS resource be whether minimum intercept bandwidth it can be understood as: step 307 with the purposes of step 305 is
Similar, it is all when being the discovery that minimum intercepts bandwidth, i.e. keeps the SRS resource currently for UE distribution.
If the SRS resource of UE distribution does not intercepts bandwidth for minimum, then SRS resource utilization is surpassed
Cross allocation threshold RSRS, allocTime, this UE (other UE in this community can also be included) can be reduced to
The SRS resource of distribution.Concrete operations such as following step 308 and step 309.
Step 307: with bandwidth value mSRS, bThe SRS resource distributed for this UE, terminates；
Step 308: the bandwidth value of the SRS resource distributed for UE is reduced to: be prepared as less than above-mentioned
The adjacent rank bandwidth of the bandwidth of UE distribution is it can be understood as with bandwidth value mSRS, b+1Set for described user
Back-up joins interception reference signal resource；
It is to be understood that by currently for the bandwidth value m of SRS resource of UE distributionSRS, bIt is reduced to bandwidth
Value mSRS, b+1；
Step 309: with bandwidth value mSRS, b+1For other on-line UE weight in addition to above-mentioned UE in community
Newly distribute SRS resource, and notify corresponding UE by signaling message.
The method step that the present embodiment three provides is more, fails in figure 3 all to demonstrate, therefore, and should
The subsequent step of method please be participated in shown in Fig. 4, including:
Step 310: after releasing the SRS resource for UE distribution, obtain in community current the most by
The SRS resource total amount of distribution；
Step 311: judge that whether the SRS resource total amount being currently allocated is less than release
Threshold value RSRS, free；Terminate if it does not, perform step；If it is, perform step 312；
Step 312: judge whether the SRS resource of the UE distribution in current area is less than maximum
Bandwidth mSRS, 0, if it is not, then terminate；If it is, perform step 313；
It should be noted that generally eNodeB maintains the resource information of each UE in community respectively,
Therefore, whether step 312 can be maximum belt by judging the SRS resource bandwidth of current release UE
Width realizes.
Step 313: the bandwidth value of the SRS resource currently distributed for UE is promoted to: more than current distribution
The adjacent rank bandwidth of bandwidth, all on-line UE in reconfiguring community according to the bandwidth after promoting
SRS resource, and notify corresponding UE by signaling message.
By the above-mentioned explanation to the embodiment of the present invention three, the method by obtaining community current the most by
The SRS resource total amount of distribution, adjusts the SRS resource to UE according to the utilization power of SRS resource and distributes,
Thus when SRS resource utilization rate height, suitably reduce the SRS resource distributing to UE, for more UE
Service is provided；When SRS resource also has relatively multiresidue, distribute more SRS resource for UE in community,
Suitably UE has more excellent communication service.The method that this embodiment three provides not only has embodiment one, two
Advantage, meanwhile, increase as step 304,306,312 judgement operate, the equipment that optimizes is to community
Management.
Preferably, between step 304 and step 305, it is also possible to including:
Step 314: whether the bandwidth value of SRS resource unassigned in judging community is more than mSRS, 3,
If it is, perform above-mentioned steps 305, if it is not, then perform step 315；
Step 315: distribute unsuccessfully, terminates；
By increasing step 314 so that eNodeB has more intelligent Managed Solution, effectively prevent and holds
Make mistakes during row the method.
In like manner, between step 306 and step 307, it is also possible to including:
Step 316: whether the bandwidth value of SRS resource unassigned in judging community is more than mSRS, 2,
If it is, perform above-mentioned steps 307, if it is not, then perform step 317；
Step 317: distribute unsuccessfully, terminates.
By increasing step 315 so that eNodeB has more intelligent Managed Solution, effectively prevent and holds
Make mistakes during row the method.
Embodiment four
The embodiment of the present invention provides a kind of device adjusting interception reference signal bandwidth, as it is shown in figure 5, should
Device includes: acquiring unit 501, it is judged that unit 502, reduces unit 503, and lift unit 504.
Wherein, acquiring unit 501, the SRS resource total amount being currently allocated in obtaining community；
Judging unit 502, for judging the current SRS resource total amount being allocated and preset distribution
Threshold value RSRS, allocOr release threshold value RSRS, freeNumerical values recited relation；
Reduce unit 503, if the SRS resource total amount for being currently allocated is more than allocation threshold RSRS, allocTime, the SRS resource of the UE distributed in community is reduced to bandwidth value A, this bandwidth value A is less than
The bandwidth value of the last SRS resource for this UE distribution；
Lift unit 504, if for judging that the SRS resource total amount being currently allocated is less than release threshold
Value RSRS, freeTime, the SRS resource of the UE distributed in community is promoted to bandwidth value B, this bandwidth value
B is more than the bandwidth value of the last SRS resource for this UE distribution.
For acquiring unit 501 in the present embodiment, it is judged that unit 502, reduce unit 503, and promote single
The detailed description of unit 504, is referred to the explanation that embodiment is a kind of, does not repeats.
By the above-mentioned explanation to the embodiment of the present invention four, this device by obtaining community current the most by
The SRS resource total amount of distribution, adjusts the SRS resource to UE according to the utilization power of SRS resource and distributes,
Thus when SRS resource utilization rate height, suitably reduce the SRS resource distributing to UE, for more UE
Service is provided；When SRS resource also has relatively multiresidue, distribute more SRS resource for UE in community,
Suitably UE has more excellent communication service.Therefore, the embodiment of the present invention four provides device to provide according to SRS
UE is distributed SRS resource by source utilization rate, takes into account cell-level demand and user class demand provides more intelligent
Service, reasonable distribution SRS resource, it is achieved that the eNodeB optimized scheduling to UE uplink frequency domain resources
And down beam shaping and uplink loss are detected the guarantee of function.
Preferably, in order to prevent this device from when being adjusted to the SRS resource of UE distribution, ping-pong occurring,
The embodiment of the present invention has been preferable to provide allocation threshold RSRS, allocWith release threshold value RSRS, freeBetween pass
System, a kind of explanation about formula (1) of reference example.
It is also to be appreciated that this device can be specifically base station (eNodeB), but it is not limiting as only base
Stand.
Embodiment five
The embodiment of the present invention provides a kind of device adjusting interception reference signal bandwidth, shown in Figure 6,
This device is the device and the one more specifically example that realizes provided based on embodiment five.
Preferably, in embodiment four, acquiring unit 501 may include that the first acquiring unit 601, for working as
Be prepared as UE distribution in community for interception reference signal (SRS, Sounding Reference Signal)
Resource is bandwidth value mSRS, bAfterwards, the SRS resource total amount being currently allocated in obtaining community, institute
State interception reference signal total resources and include currently being prepared as the interception reference signal of described user equipment allocation
Resource；
In embodiment four, judging unit 502 may include that the first judging unit 602, is used for having judged the most
Through allocated SRS resource total amount whether more than allocation threshold RSRS, alloc；
Then, the device that embodiment five provides can include identical with embodiment four, reduce unit 503,
This reduction unit 503, if the SRS resource total amount for being currently allocated is more than allocation threshold RSRS, allocTime, the SRS resource of the UE distributed in community is reduced to bandwidth value A, this bandwidth value A is less than
The bandwidth value of the last SRS resource for this UE distribution.
Or, it is preferred that in embodiment four, acquiring unit 501 may include that second acquisition unit 603,
For after releasing the SRS resource for UE distribution, obtain the SRS being currently allocated in community
Total resources；
In embodiment four, judging unit 502 may include that the second judging unit 604, is used for having judged the most
Through allocated SRS resource total amount whether less than release threshold value RSRS, free；
Then, the device that embodiment five provides can include identical with embodiment four, lift unit 504,
This lift unit 504, if for judging that the SRS resource total amount being currently allocated is less than release threshold value
RSRS, freeTime, the SRS resource of the UE distributed in community is promoted to bandwidth value B, this bandwidth value B
Bandwidth value more than the last SRS resource for this UE distribution.
By the above-mentioned explanation to the embodiment of the present invention five, this device by obtaining community current the most by
The SRS resource total amount of distribution, adjusts the SRS resource to UE according to the utilization power of SRS resource and distributes,
Thus when SRS resource utilization rate height, suitably reduce the SRS resource distributing to UE, for more UE
Service is provided；When SRS resource also has relatively multiresidue, distribute more SRS resource for UE in community,
Suitably UE has more excellent communication service.Therefore, the embodiment of the present invention five provides device to provide according to SRS
UE is distributed SRS resource by source utilization rate, takes into account cell-level demand and user class demand provides more intelligent
Service, reasonable distribution SRS resource, it is achieved that device to the optimized scheduling of UE uplink frequency domain resources with
And down beam shaping and uplink loss are detected the guarantee of function.
Embodiment six
The embodiment of the present invention provides a kind of device adjusting interception reference signal bandwidth, this device and embodiment
Five is similar, and difference is, the SRS resource in the device that embodiment six provides distributed UE is more
Specifically, more sophisticated.
Shown in Figure 7, the device that the present embodiment provides not only includes in embodiment five: first obtains list
Unit 601, the first judging unit 602, reduce unit 503, second acquisition unit 603, second judges list
Unit 604, and lift unit 504；Detailed description is referred to embodiment four, five, and embodiment one,
Explanation in two, does not repeats.
Preferably, this device can also include: the 3rd judging unit 605, the 4th judging unit 606, the
Five judging units 607, the 6th judging unit 608, and the 7th judging unit 609；
Wherein, the 3rd judging unit 605, for when judging the current SRS resource total amount being allocated
More than allocation threshold RSRS, allocTime, it is judged that whether the bandwidth value of the SRS resource currently distributed for this UE
For mSRS, 3, if it is, notify the 4th judging unit 606, if it does not, notify the 5th judging unit 607；
4th judging unit 606, the bandwidth value of the SRS resource for currently distributing for this UE is not
mSRS, 3Time, it is judged that the bandwidth value m of the SRS resource currently distributed for this UESRS, b, if meet mSRS, bWith mSRS, b+1Equal, if it is, notify the 6th judging unit 608, if it does not, notice reduces
Unit 503；
5th judging unit 607, the bandwidth value of the SRS resource for currently distributing for this UE is
mSRS, 3Time, it is judged that whether the bandwidth value of SRS resource unassigned in community is more than mSRS, 3If,
It is that the SRS resource remaining this UE distribution is bandwidth value mSRS, 3, terminate；If it does not, distribution is lost
Lose end；
6th judging unit 608, for the bandwidth value in the SRS resource currently distributed for this UE
mSRS, b, meet mSRS, bWith mSRS, b+1Time equal, it is judged that SRS resource unassigned in community
Whether bandwidth value is more than mSRS, 3, if it is, the SRS resource remaining this UE distribution is bandwidth value mSRS, 3, terminate；Unsuccessfully terminate if it does not, distribute.
Preferably, reduce unit 503 and may include that the first allocation unit 610 and the second allocation unit 610；
Wherein, the first allocation unit 610, for bandwidth value mSRS, b+1Detect for described user equipment allocation
Listen reference signal resource；
Second allocation unit 611, for bandwidth value mSRS, b+1For in community in addition to described subscriber equipment
Other on-line UE redistribute SRS resource.
Also, it should be noted the 7th judging unit 609, for judging the SRS being currently allocated
Total resources is less than release threshold value RSRS, freeTime, it is judged that the SRS resource of the UE distribution in current area is
No less than maximum bandwidth mSRS, 0, if it is not, then terminate；If it is, notice lift unit 504.
By the above-mentioned explanation to the embodiment of the present invention six, this device by obtaining community current the most by
The SRS resource total amount of distribution, adjusts the SRS resource to UE according to the utilization power of SRS resource and distributes,
Thus when SRS resource utilization rate height, suitably reduce the SRS resource distributing to UE, for more UE
Service is provided；When SRS resource also has relatively multiresidue, distribute more SRS resource for UE in community,
Suitably UE has more excellent communication service.
One of ordinary skill in the art will appreciate that all or part of step realizing in above-described embodiment method
The program that can be by completes to instruct relevant hardware, and described program can be stored in a kind of computer
In readable storage medium storing program for executing, storage medium mentioned above can be read only memory, disk or CD etc..
Above a kind of method and apparatus adjusting interception reference signal bandwidth provided by the present invention is carried out
It is discussed in detail, for one of ordinary skill in the art, according to the thought of the embodiment of the present invention, specifically
All will change on embodiment and range of application, in sum, this specification content should not be understood
For limitation of the present invention.
Claims (14)
1. the method adjusting interception reference signal bandwidth, it is characterised in that including:
The interception reference signal total resources being currently allocated in obtaining community；
Judge the current interception reference signal total resources being allocated and preset allocation threshold RSRS, allocWith release threshold value RSRS, freeNumerical values recited relation；
If the interception reference signal total resources being currently allocated is more than allocation threshold RSRS, allocTime,
The interception reference signal resource of the subscriber equipment distributed in community is reduced to bandwidth value A, this bandwidth value A
Bandwidth value less than the interception reference signal resource that the last time is the distribution of described intra-cell users equipment；
If judging, the interception reference signal total resources being currently allocated is less than release threshold value RSRS, free
Time, the interception reference signal resource of the subscriber equipment distributed in community is promoted to bandwidth value B, this band
Width values B is more than the bandwidth of the interception reference signal resource that the last time is the distribution of described intra-cell users equipment
Value.
Method the most according to claim 1, it is characterised in that described allocation threshold RSRS, allocWith
Release threshold value RSRS, freeBetween meet formula:
RSRS,alloc=RSRS,free×NMAX+ Δ f,
Wherein, NMAXFor the maximum of the ratio between adjacent bandwidths rank, Δ f is interception reference signal money
The Bandwidth adjustment protection interval of source distribution.
Method the most according to claim 1, it is characterised in that in described acquisition community the most
Allocated interception reference signal total resources；Judge the interception reference signal resource being currently allocated
Total amount and preset allocation threshold RSRS, allocWith release threshold value RSRS, freeNumerical values recited relation；Concrete bag
Include:
In being prepared as community, the interception reference signal resource of described user equipment allocation is bandwidth value mSRS,b
Afterwards, obtain the interception reference signal total resources being currently allocated in community, described in intercept reference
Signal resource total amount includes the interception reference signal resource being currently prepared as described user equipment allocation；Judge
Whether the current interception reference signal total resources being allocated is more than allocation threshold RSRS, alloc；
Wherein, described bandwidth value mSRS,bIn b be the integer more than or equal to zero.
Method the most according to claim 3, it is characterised in that described method also includes:
If judging, the interception reference signal total resources being currently allocated is more than allocation threshold RSRS, alloc
Time, it is judged that whether the bandwidth value of the current interception reference signal resource for described user equipment allocation is minimum
Bandwidth；
If it does not, judge the bandwidth of the current interception reference signal resource as described user equipment allocation
Value mSRS,b, if meet mSRS,bWith mSRS,b+1Equal；
If it does not, perform described by the interception reference signal resource reduction of the subscriber equipment distributed in community
For bandwidth value A.
Method the most according to claim 4, it is characterised in that described will distribute to the use in community
The interception reference signal resource of family equipment is reduced to bandwidth value A, specifically includes:
With bandwidth value mSRS,b+1For described user equipment allocation interception reference signal resource；
With bandwidth value mSRS,b+1For other online user's equipment weight in addition to described subscriber equipment in community
New distribution interception reference signal resource.
Method the most according to claim 1, it is characterised in that in described acquisition community the most
Allocated interception reference signal total resources；Judge the interception reference signal resource being currently allocated
Total amount and preset allocation threshold RSRS, allocWith release threshold value RSRS, freeNumerical values recited relation；Concrete bag
Include:
After discharging the interception reference signal resource of described user equipment allocation, work as in obtaining described community
Before the interception reference signal total resources that has been allocated；
Judge that whether the interception reference signal total resources being currently allocated is less than release
Threshold value RSRS, free。
Method the most according to claim 6, it is characterised in that described method also includes:
When judging that the interception reference signal total resources being currently allocated is less than release threshold value RSRS, free
Time, it is judged that whether the interception reference signal resource of the user equipment allocation in current area is less than maximum bandwidth；
If it is, perform described by the interception reference signal resource lifting of the subscriber equipment distributed in community
For bandwidth value B.
8. the device adjusting interception reference signal bandwidth, it is characterised in that including: acquiring unit,
Judging unit, reduces unit, and lift unit；
Acquiring unit, the interception reference signal total resources being currently allocated in obtaining community；
Judging unit, for judging that the interception reference signal total resources being currently allocated is with preset
Allocation threshold RSRS, allocWith release threshold value RSRS, freeNumerical values recited relation；
Reduce unit, if the interception reference signal total resources for being currently allocated is more than distribution threshold
Value RSRS, allocTime, the interception reference signal resource of the subscriber equipment distributed in community is reduced to bandwidth
Value A, this bandwidth value A are less than the interception reference signal money that the last time is the distribution of described intra-cell users equipment
The bandwidth value in source；
Lift unit, if for judging the interception reference signal total resources being currently allocated less than releasing
Put threshold value RSRS, freeTime, the interception reference signal resource of the subscriber equipment distributed in community is promoted to band
Width values B, this bandwidth value B is more than the interception reference signal that the last time is the distribution of described intra-cell users equipment
The bandwidth value of resource.
Device the most according to claim 8, it is characterised in that described allocation threshold RSRS, allocWith
Release threshold value RSRS, freeBetween meet formula:
RSRS,alloc=RSRS,free×NMAX+ Δ f,
Wherein, NMAXFor the maximum of the ratio between adjacent bandwidths rank, Δ f is interception reference signal money
The Bandwidth adjustment protection interval of source distribution.
Device the most according to claim 8, it is characterised in that described acquiring unit includes: the
One acquiring unit；Described judging unit, including: the first judging unit；
Described first acquiring unit, for intercepting of described user equipment allocation in being prepared as described community
Reference signal resource is bandwidth value mSRS,bAfterwards, be currently allocated in obtaining community intercepts reference
Signal resource total amount, described interception reference signal total resources includes that being currently prepared as described subscriber equipment divides
The interception reference signal resource joined；
Described first judging unit, for judging the interception reference signal total resources being currently allocated
Whether more than allocation threshold RSRS, alloc；
Wherein, described bandwidth value mSRS,bIn b be the integer more than or equal to zero.
11. devices according to claim 10, it is characterised in that described device also includes: the 3rd
Judging unit, and the 4th judging unit；
Described 3rd judging unit, if total for judging the interception reference signal resource being currently allocated
Amount is more than allocation threshold RSRS, allocTime, it is judged that it is currently the interception reference signal of described user equipment allocation
Whether the bandwidth value of resource is minimum bandwidth；If it does not, notify the 4th judging unit,
Described 4th judging unit, for judging the current interception reference signal as described user equipment allocation
The bandwidth value m of resourceSRS,b, if meet mSRS,bWith mSRS,b+1Equal；If it does not, notice is described
Reduce unit.
12. devices according to claim 11, it is characterised in that described reduction unit specifically includes:
First allocation unit, and the second allocation unit；
Described first allocation unit, for bandwidth value mSRS,b+1Ginseng is intercepted for described user equipment allocation
Examine signal resource；
Described second allocation unit, for bandwidth value mSRS,b+1For in community except described subscriber equipment with
Other outer online user's equipment redistributes interception reference signal resource.
13. devices according to claim 8, it is characterised in that described acquiring unit includes: the
Two acquiring units；Described judging unit, including: the second judging unit；
Described second acquisition unit, for when the interception reference signal resource discharging described user equipment allocation
Afterwards, the interception reference signal total resources being currently allocated in obtaining described community；
Described second judging unit, for judging the interception reference signal total resources being currently allocated
Whether less than release threshold value RSRS, free。
14. devices according to claim 13, it is characterised in that described device also includes: the 7th
Judging unit,
Described 7th judging unit, for when judging that the interception reference signal resource being currently allocated is total
Amount is less than release threshold value RSRS, freeTime, it is judged that the interception reference signal of the user equipment allocation in current area
Whether resource is less than maximum bandwidth；If it is, notify described lift unit.
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