CN104066191A - Method for allocating frequency spectrum resource and device thereof - Google Patents
Method for allocating frequency spectrum resource and device thereof Download PDFInfo
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- CN104066191A CN104066191A CN201410290229.3A CN201410290229A CN104066191A CN 104066191 A CN104066191 A CN 104066191A CN 201410290229 A CN201410290229 A CN 201410290229A CN 104066191 A CN104066191 A CN 104066191A
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Abstract
The invention discloses a method for allocating frequency spectrum resource and a device thereof. The method comprises a step of obtaining the interference value of an adjacent base station measured by first user equipment when a sub band is needed to be added to the served first user equipment and if total spectrum resource has no idle sub band which is allocated to the first user equipment, a step of determining a candidate sub band according to the occupation of the sub band, wherein the candidate sub band does not comprise a sub band whose interference value is larger than a first threshold occupied by the adjacent base station and does not occupy a sub band occupied by the first base station, a step of sending same frequency resource multiplex application to the adjacent base station which occupies the candidate sub band, and a step of multiplexing the sub band and allocating the sub band to the first user equipment for use through the first base station for any candidate sub band in the same frequency resource multiplex application when the multiplexable responses of all the adjacent base stations which occupy the sub band are received, wherein the multiplexable responses comprise the identification of the sub band. According to the method, the utilization of spectrum resources can be improved.
Description
Technical field
The present invention relates to wireless communication field, relate in particular to a kind of method and device that distributes frequency spectrum resource.
Background technology
Along with the development of wireless communication technology and user's increase, it is more and more nervous that frequency spectrum resource becomes.How to be that more user's service is most important for communication system by limited frequency spectrum resource.Frequency spectrum resource is multiplexed with the problem of solution Radio Resource anxiety and has made certain contribution.
In the base station of frequency of utilization multiplex technique, for example, along with the propagation and employment of femto (femtocell) equipment, occur how in the application of femto equipment, realizing the multiplexing technology of frequency spectrum resource.The multiplexing problem that need to consider that adjacent area is disturbed of frequency spectrum resource, in correlation technique, conventionally by making adjacent femto use orthogonal sub-band, completes the distribution of frequency spectrum resource and avoids the descending interference between femto.But, the distribution method of this frequency spectrum resource, the sub-band that adjacent femto is used is not identical often in the ordinary course of things, if and the sub-band that adjacent femto uses is identical, and also can not cause interference for some subscriber equipmenies time, the method for obvious above-mentioned distribution frequency spectrum resource causes the utilance of frequency spectrum resource to reduce.
Summary of the invention
The object of this invention is to provide a kind of method and device that distributes frequency spectrum resource, to overcome the low problem of utilance of correlation technique intermediate frequency spectrum resource.
The invention provides a kind of method of distributing frequency spectrum resource, comprising:
The first base station, in the time detecting that the first user equipment of service need to increase sub-band, if there is no idle subband allocation in total frequency spectrum resource to first user equipment, obtains the interference value of the adjacent base station of the first base station of first user device measuring;
Candidate's sub-band is determined according to the situation that takies of sub-band in the first base station, does not comprise that interference value is greater than the shared sub-band of adjacent base station of first threshold, does not comprise the shared sub-band in the first base station self yet in candidate's sub-band;
The first base station sends with resource multiplex application frequently to the adjacent base station that takies candidate's sub-band, comprises the mark of at least one candidate's sub-band with resource multiplex application frequently;
For arbitrary candidate's sub-band in same resource multiplex application frequently, after receiving the reusable of all adjacent base stations that take this sub-band and replying, multiplexing this sub-band in the first base station also uses this subband allocation to first user equipment, wherein, reusable is replied the mark that comprises this sub-band.
The embodiment of the present invention is by same resource multiplex application frequently, only require the first base station and the second base station negotiate to carry out the multiplexing of sub-band, realize the dynamic frequency spectrum resource that distributes, without the global coordination of whole net, there is no concentrated control centre, in the system of opening at random or closing in base station equipment, can not affect sharing out the work of frequency spectrum resource because of the change of some base station operating state, there is stronger operability and good robustness.In addition, the wireless environment of the embodiment of the present invention based on subscriber equipment, by the simple co-ordination between base station, reduces the descending interference between base station; Compared with correlation technique, can make full use of the radio environment information of subscriber equipment, effectively select multiplexing sub-band for practical radio communication environment and the disturbed condition of subscriber equipment, thereby, under the prerequisite avoiding interference, realize the multiplexing of frequency spectrum resource, improve the utilance of frequency spectrum resource.
Described interference value comprises: RSRP (Reference Signal Receiving Power, Reference Signal Received Power) and/or RSRQ (Reference Signal Receiving Quality, Reference Signal Received Quality).
Described method also comprises:
In the time that the first user equipment of service does not need maybe can not continue to use multiplexing candidate's sub-band, the first base station discharges multiplexing candidate's sub-band.
The embodiment of the present invention realizes and being in due course while for example not needing to continue to use multiplexing candidate's sub-band maybe can not continue to use multiplexing candidate's frequently, discharges this sub-band.So that realize the dynamic sub-band of adjusting and use.
The present invention also provides a kind of method of distributing frequency spectrum resource, and described method comprises:
The second base station receives the same frequency resource multiplex application of sending the first base station, comprises the mark of at least one candidate's sub-band with resource multiplex application frequently;
The second base station obtains the interference value of the first base station of the second served subscriber equipment measurement;
In the time that the interference value of the first base station is less than Second Threshold, the second base station sends reusable and replys to the first base station, and reusable is replied the mark comprising with at least one the candidate's sub-band in resource multiplex application frequently.
The embodiment of the present invention, by receiving with after resource multiplex application frequently, the second subscriber equipment by service is measured the interference value of the first base station, while assessing accordingly the sub-band of multiplexing the second base station, the first base station, whether can cause interference to the second subscriber equipment, to avoid causing interference after multiplexing sub-band.The wireless environment of the embodiment of the present invention based on subscriber equipment, by the simple co-ordination between base station, reduces the descending interference between base station; Compared with correlation technique, can make full use of the radio environment information of subscriber equipment, effectively select multiplexing sub-band for practical radio communication environment and the disturbed condition of subscriber equipment, thereby, under the prerequisite avoiding interference, realize the multiplexing of frequency spectrum resource, improve the utilance of frequency spectrum resource.
Described the second base station obtains the interference value of the first base station of the second served subscriber equipment measurement, comprising:
The second base station obtains the interference value of the first base station in the default duration that served the second subscriber equipment measures;
When the described interference value when the first base station is less than Second Threshold, the second base station sends reusable and replys to the first base station, comprising:
In the time that the interference value of the first base station in default duration is less than Second Threshold, the second base station sends reusable and replys to the first base station.
The embodiment of the present invention is preset the interference value of the first base station in duration by measurement, improve the accuracy of the interference value of the first base station obtaining, thereby while realizing the sub-band of effectively assessing multiplexing the second base station, the first base station, whether can cause interference to the second subscriber equipment, realize and having avoided interference thus.
Described interference value comprises: RSRP and/or RSRQ.
The present invention also provides a kind of device that distributes frequency spectrum resource, and described device comprises:
Acquisition module, be used for the first base station in the time detecting that the first user equipment of service need to increase sub-band, if there is no idle subband allocation in total frequency spectrum resource to first user equipment, obtain the interference value of the adjacent base station of the first base station of first user device measuring;
Determination module, determines candidate's sub-band for the first base station according to the situation that takies of sub-band, does not comprise that interference value is greater than the shared sub-band of adjacent base station of first threshold, does not comprise the shared sub-band in the first base station self yet in candidate's sub-band;
Multiplexing application sending module, sends with resource multiplex application frequently to the adjacent base station that takies candidate's sub-band for the first base station, comprises the mark of at least one candidate's sub-band with resource multiplex application frequently;
Distribution module, be used for for the arbitrary candidate's sub-band of same resource multiplex application frequently, after receiving the reusable of all adjacent base stations that take this sub-band and replying, multiplexing this sub-band in the first base station also uses this subband allocation to first user equipment, wherein, reusable is replied the mark that comprises this sub-band.
Described device also comprises:
Release module, in the time that the first user equipment of service does not need maybe can not continue to use multiplexing candidate's sub-band, the first base station discharges multiplexing candidate's sub-band.
The present invention also provides a kind of device that distributes frequency spectrum resource, and described device comprises:
Multiplexing application receiver module, receives the same frequency resource multiplex application of sending the first base station for the second base station, comprise the mark of at least one candidate's sub-band with resource multiplex application frequently;
Acquisition module, obtains the interference value of the first base station of the second served subscriber equipment measurement for the second base station;
Reply sending module, in the time that the interference value of the first base station is less than Second Threshold, the second base station sends reusable and replys to the first base station, and reusable is replied the mark comprising with at least one the candidate's sub-band in resource multiplex application frequently.
Described acquisition module obtains the interference value of the first base station in the default duration that served the second subscriber equipment measures for the second base station;
The described sending module of replying is in the time that the interference value of the first base station in default duration is less than Second Threshold, and the second base station sends reusable and replys to the first base station.
The present invention at least has following beneficial effect: by same resource multiplex request frequently, only require the first base station and the second base station negotiate to carry out the multiplexing of sub-band, realize the dynamic frequency spectrum resource that distributes, without the global coordination of whole net, there is no concentrated control centre, in the system of opening at random or closing in base station equipment, can not affect sharing out the work of frequency spectrum resource because of the change of some base station operating state, there is stronger operability and good robustness.In addition, the wireless environment of the embodiment of the present invention based on subscriber equipment, by the simple co-ordination between base station, reduces the descending interference between base station; Compared with correlation technique, can make full use of the radio environment information of subscriber equipment, effectively select multiplexing sub-band for practical radio communication environment and the disturbed condition of subscriber equipment, thereby, under the prerequisite avoiding interference, realize the multiplexing of frequency spectrum resource, improve the utilance of frequency spectrum resource.
Should be understood that, it is only exemplary and explanatory that above general description and details are hereinafter described, and can not limit the present invention.
Brief description of the drawings
Fig. 1 is the exemplary process diagram of asking to distribute in the first base station of multiplexing sub-band the method for frequency spectrum resource in the embodiment of the present invention;
Fig. 2 is the exemplary process diagram of the method for the second base station assigns frequency spectrum resource of requested multiplexing sub-band in the embodiment of the present invention;
Fig. 3 is the exemplary process diagram of distributing the method for frequency spectrum resource in the embodiment of the present invention;
Fig. 4 is another exemplary process diagram of distributing the method for frequency spectrum resource in the embodiment of the present invention;
Fig. 5 is the schematic diagram of asking to distribute in the first base station of multiplexing sub-band the device of frequency spectrum resource in the embodiment of the present invention;
Fig. 6 is another schematic diagram of asking to distribute in the first base station of multiplexing sub-band the device of frequency spectrum resource in the embodiment of the present invention;
Fig. 7 is the schematic diagram that distributes the device of frequency spectrum resource in the second base station of requested multiplexing sub-band in the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described, should be appreciated that embodiment described herein, only for description and interpretation the present invention, is not intended to limit the present invention.
Here will at length describe exemplary embodiment, its sample table shows in the accompanying drawings.When description below relates to accompanying drawing, unless separately there is expression, the same numbers in different accompanying drawings represents same or analogous key element.Execution mode described in following exemplary embodiment does not represent all execution modes consistent with the present invention.On the contrary, they are only and the example of apparatus and method as consistent in some aspects that described in detail in appended claims, of the present invention.
The embodiment of the present invention provides a kind of method of distributing frequency spectrum resource, is applicable in the wireless communication system of channeling, is particularly useful in the wireless communication system of a large amount of femto compositions of random placement.
The scheme that the embodiment of the present invention provides, it is multiplexing that wireless environment based on subscriber equipment carries out sub-band, in whole net, only need the request base station of multiplexing sub-band and the base station negotiate of requested multiplexing sub-band to carry out the multiplexing of sub-band, thereby realize the dynamic frequency spectrum resource that distributes, without the global coordination of whole net, there is no concentrated control centre, in the system of opening at random or closing in base station equipment, can not affect sharing out the work of frequency spectrum resource because of the change of some base station operating state, there is stronger operability and good robustness.In addition, the embodiment of the present invention, by the simple co-ordination between base station, reduces the descending interference between base station; Correlation technique relatively, can make full use of the radio environment information of subscriber equipment, more can effectively select multiplexing sub-band for practical radio communication environment and the disturbed condition of subscriber equipment, under the prerequisite avoiding interference, realize the multiplexing of frequency spectrum resource, improved the utilance of frequency spectrum resource.Below the method for distributing frequency spectrum resource in the embodiment of the present invention is elaborated.
As shown in Figure 1, for distributing the exemplary process diagram of method of frequency spectrum resource in the embodiment of the present invention, the method is for asking the first base station of multiplexing sub-band, 101-step 104 that the method comprising the steps of:
Step 101: the first base station is in the time detecting that the first user equipment of service need to increase sub-band, if there is no idle subband allocation in total frequency spectrum resource to first user equipment, obtain the interference value of the adjacent base station of the first base station of first user device measuring.
Wherein, in one embodiment, for example TD-LTE system can be used 1880MHz～1900MHz frequency spectrum resource, and the bandwidth of supporting has respectively 1.4MHz, 5MHz, 10MHz, 15MHz, 20MHz, for example, in the time that all base stations in TD-LTE system (femto) all uses 20MHz bandwidth, total frequency spectrum resource be exactly 1880MHz～1900MHz) be divided into the many parts of many one's shares of expenses for a joint undertaking frequency bands that obtain.In the networking being made up of femto, the density of the femto that can serve according to self by HeMS (Home eNodeB management system), divides total frequency spectrum resource, and the density of femto is larger, and the umber of the sub-band of division is just more; The density of femto is less, and the umber of the sub-band of division is just fewer.
Wherein, idle sub-band is unappropriated sub-band.
Wherein, in one embodiment, for example, in femto base station, can generate a Resources list, transfer to each femto that HeMS serves to carry out storage and maintenance.This Resources list can be as shown in table 1, records the mark of the sub-band that the mark of each femto, each femto take and the mark of idle sub-band.This Resources list is so that the service condition of all sub-bands in each femto inquiry and understanding system.It should be noted that, any the Resources list that can recognize sub-band service condition in whole system is all applicable to the embodiment of the present invention, does not limit at this.
Table 1 the Resources list
Wherein, in one embodiment, in the time of available free sub-band, distribute this idle sub-band to use to first user equipment, and inform the mark of the idle sub-band that adjacent femto taken, so that adjacent femto upgrades the Resources list of self.
Wherein, in one embodiment, interference value comprises: RSRP and/or RSRQ.
Step 102: candidate's sub-band is determined according to the situation that takies of sub-band in the first base station, does not comprise in candidate's sub-band that interference value is greater than the shared sub-band of adjacent base station of first threshold, does not comprise the shared sub-band in the first base station self yet.
Step 103: the first base station sends with resource multiplex application frequently to the adjacent base station that takies candidate's sub-band, comprises the mark of at least one candidate's sub-band with resource multiplex application frequently.
Wherein, step 103 can be implemented as: the first base station while sent with resource multiplex application frequently to the adjacent base station of all candidate's of taking sub-bands, and the application of same frequency resource multiplex comprises the mark of the shared candidate's sub-band of the adjacent base station of all candidate's of taking sub-bands; Or the first base station sends with resource multiplex application frequently to the adjacent base station that takies candidate's sub-band one by one, comprises with resource multiplex application frequently the mark that receives the candidate sub-band shared with the base station self of resource multiplex application frequently.The embodiment of the present invention provides two kinds of same strategies of resource multiplex application frequently of transmissions, so that carry out in actual applications choice for use.
Step 104: for arbitrary candidate's sub-band in same resource multiplex application frequently, after receiving the reusable of all adjacent base stations that take this sub-band and replying, multiplexing this sub-band in the first base station also uses this subband allocation to first user equipment, wherein, reusable is replied the mark that comprises this sub-band.
Wherein, for example, base station r (being designated the base station of r) takies and identifies three candidate's sub-bands that are respectively A1, A2, A3, the same resource multiplex application frequently that the first base station sends to base station r, this mark with the sub-band in resource multiplex application frequently comprises A1, A2 and A3, or the first base station sends three with resource multiplex application frequently to base station r, every with the mark that only comprises candidate's sub-band in resource multiplex application frequently.And in the time that base station r confirms to be only designated the sub-band reusable of A3, the reusable sending to the first base station is replied and is comprised mark A3, to indicate the sub-band reusable of the first Base Station Identification as A3.
Wherein, " reusable that receives all adjacent base stations that take this sub-band is replied " is for example, in candidate's sub-band, be designated the sub-band of A when shared by 3 base stations, will distribute sub-band A to first user equipment, the reusable for sub-band A that need to receive above-mentioned 3 base stations is replied.
In one embodiment, in the time that the first user equipment of service does not need maybe can not continue to use multiplexing candidate's sub-band, the first base station discharges multiplexing candidate's sub-band.Wherein, first user equipment does not need to continue for example to use multiplexing candidate's sub-band, and user's traffic carrying capacity declines, and does not need to continue to occupy candidate's sub-band of distribution; Wherein, can not continue for example to use multiplexing candidate's sub-band, cause multiplexing candidate's sub-band can not continue to use because channel quality declines.Can not continue to use multiplexing candidate's sub-band can also be for example, subscriber equipment moves and causes wireless environment change (other subscriber equipmenies being caused to interference such as subscriber equipment moves).The embodiment of the present invention realizes and being in due course while for example not needing to continue to use multiplexing candidate's sub-band maybe can not continue to use multiplexing candidate's frequently, discharges this sub-band.So that realize the dynamic sub-band of adjusting and use.
To sum up, the embodiment of the present invention is by same resource multiplex application frequently, only require the first base station and the second base station negotiate to carry out the multiplexing of sub-band, realize the dynamic frequency spectrum resource that distributes, without the global coordination of whole net, there is no concentrated control centre, in the system of opening at random or closing in base station equipment, can not affect sharing out the work of frequency spectrum resource because of the change of some base station operating state, there is stronger operability and good robustness.In addition, the wireless environment of the embodiment of the present invention based on subscriber equipment, by the simple co-ordination between base station, reduces the descending interference between base station; Compared with correlation technique, can make full use of the radio environment information of subscriber equipment, effectively select multiplexing sub-band for practical radio communication environment and the disturbed condition of subscriber equipment, thereby, under the prerequisite avoiding interference, realize the multiplexing of frequency spectrum resource, improve the utilance of frequency spectrum resource.
As shown in Figure 2, for distributing the exemplary process diagram of method of frequency spectrum resource in the embodiment of the present invention, the method is for the adjacent base station of requested multiplexing sub-band, 201-step 203 that the method comprising the steps of:
Step 201: the second base station receives the same frequency resource multiplex application of sending the first base station, same resource multiplex application frequently comprises the mark of at least one candidate's sub-band.
Step 202: the second base station obtains the interference value of the first base station of the second served subscriber equipment measurement.
Wherein, in one embodiment, interference value comprises: RSRP and/or RSRQ.
Step 203: in the time that the interference value of the first base station is less than Second Threshold, the second base station sends reusable and replys to the first base station, reusable is replied the mark comprising with at least one the candidate's sub-band in resource multiplex application frequently.
Wherein, in one embodiment, the second base station obtains the interference value of the first base station in the default duration that served the second subscriber equipment measures; In the time that the interference value of the first base station in default duration is less than Second Threshold, the second base station sends reusable and replys to the first base station.The embodiment of the present invention is preset the interference value of the first base station in duration by measurement, improve the accuracy of the interference value of the first base station obtaining, thereby while realizing the sub-band of effectively assessing multiplexing the second base station, the first base station, whether can cause interference to the second subscriber equipment, realize and having avoided interference thus.
Wherein, in one embodiment, in the time that the interference value of the first base station is more than or equal to Second Threshold, can send multiplexing the replying to the first base station of refusal, refuse can comprise the mark with at least one the candidate's sub-band in resource multiplex application frequently in multiplexing replying.
To sum up, the embodiment of the present invention, by receiving with after resource multiplex application frequently, the second subscriber equipment by service is measured the interference value of the first base station, while assessing accordingly the sub-band of multiplexing the second base station, the first base station, whether can cause interference to the second subscriber equipment, to avoid causing interference after multiplexing sub-band.The wireless environment of the embodiment of the present invention based on subscriber equipment, by the simple co-ordination between base station, reduces the descending interference between base station; Compared with correlation technique, can make full use of the radio environment information of subscriber equipment, effectively select multiplexing sub-band for practical radio communication environment and the disturbed condition of subscriber equipment, thereby, under the prerequisite avoiding interference, realize the multiplexing of frequency spectrum resource, improve the utilance of frequency spectrum resource.
Below by several simple embodiment, the method for distributing frequency spectrum resource in the embodiment of the present invention is elaborated.
Embodiment mono-
As shown in Figure 3, after holding consultation between macro base station in LTE, reusable subband allocation is used as example to subscriber equipment, the method for distributing frequency spectrum resource in the embodiment of the present invention is elaborated, 301-step 309 that the method comprising the steps of:
Step 301: base station A is in the time detecting that the first user equipment of service need to increase sub-band, if there is no idle subband allocation in total frequency spectrum resource to first user equipment, obtain the interference value of the adjacent base station of the first base station of first user device measuring.
Step 302: base station A determines candidate's sub-band according to the situation that takies of sub-band, does not comprise in candidate's sub-band that interference value is greater than the shared sub-band of adjacent base station of first threshold, does not comprise the shared sub-band in the first base station self yet.
Step 303: base station A sends with resource multiplex application frequently to the adjacent base station that takies candidate's sub-band, comprises the mark of at least one candidate's sub-band with resource multiplex application frequently.
Step 304: adjacent base station receives the same frequency resource multiplex application that base station A sends, same resource multiplex application frequently comprises the mark of at least one candidate's sub-band.
Step 305: adjacent base station obtains the interference value of the base station A in the default duration that served the second subscriber equipment measures.
Step 306: in the time that the interference value of base station A in default duration is less than Second Threshold, the second base station sends reusable and replys to the first base station, send reusable and reply to base station A, reusable is replied the mark comprising with at least one the candidate's sub-band in resource multiplex application frequently.
Step 307: the reusable that base station A receiving neighbor bs sends is replied.
Step 308: for arbitrary candidate's sub-band in frequently resource multiplex application, after receiving the reusable of all adjacent base stations that take this sub-band and replying, A multiplexing this sub-band in base station also uses this subband allocation to first user equipment.
Step 309: in the time that first user equipment does not need maybe can not continue to use multiplexing sub-band, base station A discharges this multiplexing sub-band.
The embodiment of the present invention realizes by multiplexing request, only require the first base station and the second base station negotiate to carry out the multiplexing of sub-band, realize the dynamic frequency spectrum resource that distributes, without the global coordination of whole net, there is no concentrated control centre, in the system of opening at random or closing in base station equipment, can not affect sharing out the work of frequency spectrum resource because of the change of some base station operating state, there is stronger operability and good robustness.In addition, the wireless environment of the embodiment of the present invention based on subscriber equipment, by the simple co-ordination between base station, reduces the descending interference between base station; Compared with correlation technique, can make full use of the radio environment information of subscriber equipment, effectively select multiplexing sub-band for practical radio communication environment and the disturbed condition of subscriber equipment, thereby, under the prerequisite avoiding interference, realize the multiplexing of frequency spectrum resource, improve the utilance of frequency spectrum resource.
Embodiment bis-
As shown in Figure 4, when storing the Resources list in femto, distributing reusable sub-band is example to subscriber equipment, the method for distributing frequency spectrum resource in the embodiment of the present invention is elaborated, and 401-step 413 that the method comprising the steps of:
Step 401: when the subscriber equipment m that a femto detects service needs more sub-band due to the demand of business, inquire about in self the Resources list whether available free sub-band, if so, perform step 402, if not, perform step 403.
Step 402, a femto uses idle subband allocation to subscriber equipment m, and informs the mark of the sub-band that adjacent femto newly takies, so that adjacent femto upgrades the Resources list.
Step 403 a: femto obtains subscriber equipment m and measure the RSRP of adjacent femto.
Step 404 a: femto is according to the RSRP of adjacent femto, and the femto that RSRP is greater than to first threshold is defined as disturbing set.
Step 405 a: femto is by the Resources list of self, determines the set of the sub-band that all femto of disturbing in set use.
Step 406 a: femto is by the Resources list, and the sub-band outside the sub-band of the set of the sub-band that all femto that disturb in set are used and self use, is defined as candidate's sub-band.
Step 407 a: femto determines that by the Resources list using the adjacent femto of candidate's sub-band is the 2nd femto.
Step 408 a: femto sends with resource multiplex application frequently to the 2nd all femto.
Wherein, each receives this mark with the shared candidate's sub-band of the adjacent femto of resource multiplex application frequently with only comprising in resource multiplex application frequently.
Step 409: the 2nd femto receives after the same frequency resource multiplex application that a femto sends, obtains the RSRP of the femto that the subscriber equipment n that self serves measures.
Step 410: the 2nd femto judges whether the RSRP of a femto is less than Second Threshold, if so, performs step 411, if not, execution step 412.
Step 411: the 2nd femto sends reusable and replys to a femto, reusable is replied the mark comprising with at least one the candidate's sub-band in resource multiplex application frequently.
Step 412: the 2nd femto sends multiplexing the replying to a femto of refusal, refuses the multiplexing mark comprising with at least one the candidate's sub-band in resource multiplex application frequently of replying.
Step 413 a: femto replys and refuses multiplexing replying according to the reusable receiving, and selects all femto that take same candidate's sub-band all to agree to multiplexing candidate's sub-band, distributes to subscriber equipment m and uses.
The embodiment of the present invention realizes by multiplexing request, only require negotiation between the associated femto of at least one candidate's sub-band to carry out the multiplexing of sub-band, realize the dynamic frequency spectrum resource that distributes, without the global coordination of whole net, there is no concentrated control centre, in the system of opening at random or closing at femto equipment, can not affect sharing out the work of frequency spectrum resource because of the change of some femto operating state, there is stronger operability and good robustness.In addition, the wireless environment of the embodiment of the present invention based on subscriber equipment, by the simple co-ordination between femto, reduces the descending interference between femto; Compared with correlation technique, can make full use of the radio environment information of subscriber equipment, effectively select multiplexing sub-band for practical radio communication environment and the disturbed condition of subscriber equipment, thereby, under the prerequisite avoiding interference, realize the multiplexing of frequency spectrum resource, improve the utilance of frequency spectrum resource.
The embodiment of the present invention provides a kind of device that distributes frequency spectrum resource, and as shown in Figure 5, described device comprises:
Acquisition module 501, be used for the first base station in the time detecting that the first user equipment of service need to increase sub-band, if there is no idle subband allocation in total frequency spectrum resource to first user equipment, obtain the interference value of the adjacent base station of the first base station of first user device measuring
Determination module 502, determines candidate's sub-band for the first base station according to the situation that takies of sub-band, does not comprise that interference value is greater than the shared sub-band of adjacent base station of first threshold, does not comprise the shared sub-band in the first base station self yet in candidate's sub-band;
Multiplexing application sending module 503, sends with resource multiplex application frequently to the adjacent base station that takies candidate's sub-band for the first base station, comprises the mark of at least one candidate's sub-band with resource multiplex application frequently;
Distribution module 504, be used for for the arbitrary candidate's sub-band of same resource multiplex application frequently, after receiving the reusable of all adjacent base stations that take this sub-band and replying, multiplexing this sub-band in the first base station also uses this subband allocation to first user equipment, wherein, reusable is replied the mark that comprises this sub-band.
Wherein, in one embodiment, as shown in Figure 6, described device also comprises:
Release module 505, in the time that the first user equipment of service does not need maybe can not continue to use multiplexing candidate's sub-band, the first base station discharges multiplexing candidate's sub-band.
The embodiment of the present invention is a kind of device that distributes frequency spectrum resource also, is illustrated in figure 7 the schematic diagram of this device, and this device comprises:
Multiplexing application receiver module 701, receives the same frequency resource multiplex application of sending the first base station for the second base station, comprise the mark of at least one candidate's sub-band with resource multiplex application frequently;
Acquisition module 702, obtains the interference value of the first base station of the second served subscriber equipment measurement for the second base station;
Reply sending module 703, in the time that the interference value of the first base station is less than Second Threshold, the second base station sends reusable and replys to the first base station, and reusable is replied the mark comprising with at least one the candidate's sub-band in resource multiplex application frequently.
Wherein, in one embodiment, acquisition module 702 obtains the interference value of the first base station in the default duration that served the second subscriber equipment measures for the second base station;
Reply sending module 703 in the time that the interference value of the first base station in default duration is less than Second Threshold, the second base station sends reusable and replys to the first base station.
About the device in above-described embodiment, wherein the concrete mode of modules executable operations have been described in detail in the embodiment about the method, will not elaborate explanation herein.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware implementation example, completely implement software example or the form in conjunction with the embodiment of software and hardware aspect.And the present invention can adopt the form at one or more upper computer programs of implementing of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) that wherein include computer usable program code.
The present invention is with reference to describing according to flow chart and/or the block diagram of the method for the embodiment of the present invention, equipment (system) and computer program.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, the instruction that makes to carry out by the processor of computer or other programmable data processing device produces the device for realizing the function of specifying at flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, the instruction that makes to be stored in this computer-readable memory produces the manufacture that comprises command device, and this command device is realized the function of specifying in flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make to carry out sequence of operations step to produce computer implemented processing on computer or other programmable devices, thereby the instruction of carrying out is provided for realizing the step of the function of specifying in flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame on computer or other programmable devices.
Although described the preferred embodiments of the present invention, once those skilled in the art obtain the basic creative concept of cicada, can make other change and amendment to these embodiment.So claims are intended to be interpreted as comprising preferred embodiment and fall into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if these amendments of the present invention and within modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (10)
1. a method of distributing frequency spectrum resource, is characterized in that, described method comprises:
The first base station, in the time detecting that the first user equipment of service need to increase sub-band, if there is no idle subband allocation in total frequency spectrum resource to first user equipment, obtains the interference value of the adjacent base station of the first base station of first user device measuring;
Candidate's sub-band is determined according to the situation that takies of sub-band in the first base station, does not comprise that interference value is greater than the shared sub-band of adjacent base station of first threshold, does not comprise the shared sub-band in the first base station self yet in candidate's sub-band;
The first base station sends with resource multiplex application frequently to the adjacent base station that takies candidate's sub-band, comprises the mark of at least one candidate's sub-band with resource multiplex application frequently;
For arbitrary candidate's sub-band in same resource multiplex application frequently, after receiving the reusable of all adjacent base stations that take this sub-band and replying, multiplexing this sub-band in the first base station also uses this subband allocation to first user equipment, wherein, reusable is replied the mark that comprises this sub-band.
2. method according to claim 1, is characterized in that,
Described interference value comprises: Reference Signal Received Power RSRP and/or Reference Signal Received Quality RSRQ.
3. method according to claim 1, is characterized in that, described method also comprises:
In the time that the first user equipment of service does not need maybe can not continue to use multiplexing candidate's sub-band, the first base station discharges multiplexing candidate's sub-band.
4. a method of distributing frequency spectrum resource, is characterized in that, described method comprises:
The second base station receives the same frequency resource multiplex application of sending the first base station, comprises the mark of at least one candidate's sub-band with resource multiplex application frequently;
The second base station obtains the interference value of the first base station of the second served subscriber equipment measurement;
In the time that the interference value of the first base station is less than Second Threshold, the second base station sends reusable and replys to the first base station, and reusable is replied the mark comprising with at least one the candidate's sub-band in resource multiplex application frequently.
5. method according to claim 4, is characterized in that,
Described the second base station obtains the interference value of the first base station of the second served subscriber equipment measurement, comprising:
The second base station obtains the interference value of the first base station in the default duration that served the second subscriber equipment measures;
When the described interference value when the first base station is less than Second Threshold, the second base station sends reusable and replys to the first base station, comprising:
In the time that the interference value of the first base station in default duration is less than Second Threshold, the second base station sends reusable and replys to the first base station.
6. according to the method described in claim 4 or 5, it is characterized in that, described interference value comprises: Reference Signal Received Power RSRP and/or Reference Signal Received Quality RSRQ.
7. a device that distributes frequency spectrum resource, is characterized in that, described device comprises:
Acquisition module, be used for the first base station in the time detecting that the first user equipment of service need to increase sub-band, if there is no idle subband allocation in total frequency spectrum resource to first user equipment, obtain the interference value of the adjacent base station of the first base station of first user device measuring;
Determination module, determines candidate's sub-band for the first base station according to the situation that takies of sub-band, does not comprise that interference value is greater than the shared sub-band of adjacent base station of first threshold, does not comprise the shared sub-band in the first base station self yet in candidate's sub-band;
Multiplexing application sending module, sends with resource multiplex application frequently to the adjacent base station that takies candidate's sub-band for the first base station, comprises the mark of at least one candidate's sub-band with resource multiplex application frequently;
Distribution module, be used for for the arbitrary candidate's sub-band of same resource multiplex application frequently, after receiving the reusable of all adjacent base stations that take this sub-band and replying, multiplexing this sub-band in the first base station also uses this subband allocation to first user equipment, wherein, reusable is replied the mark that comprises this sub-band.
8. device according to claim 7, is characterized in that, described device also comprises:
Release module, in the time that the first user equipment of service does not need maybe can not continue to use multiplexing candidate's sub-band, the first base station discharges multiplexing candidate's sub-band.
9. a device that distributes frequency spectrum resource, is characterized in that, described device comprises:
Multiplexing application receiver module, receives the same frequency resource multiplex application of sending the first base station for the second base station, comprise the mark of at least one candidate's sub-band with resource multiplex application frequently;
Acquisition module, obtains the interference value of the first base station of the second served subscriber equipment measurement for the second base station;
Reply sending module, in the time that the interference value of the first base station is less than Second Threshold, the second base station sends reusable and replys to the first base station, and reusable is replied the mark comprising with at least one the candidate's sub-band in resource multiplex application frequently.
10. device according to claim 9, is characterized in that,
Described acquisition module obtains the interference value of the first base station in the default duration that served the second subscriber equipment measures for the second base station;
The described sending module of replying is in the time that the interference value of the first base station in default duration is less than Second Threshold, and the second base station sends reusable and replys to the first base station.
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