CN102256296B - Polling measurement processing method, device, base station and communication system - Google Patents
Polling measurement processing method, device, base station and communication system Download PDFInfo
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- CN102256296B CN102256296B CN201010185270.6A CN201010185270A CN102256296B CN 102256296 B CN102256296 B CN 102256296B CN 201010185270 A CN201010185270 A CN 201010185270A CN 102256296 B CN102256296 B CN 102256296B
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Abstract
The embodiment of the invention discloses a polling measurement processing method, a polling measurement processing device, a base station and a communication system. The polling measurement processing method comprises the following steps of: in a convergence time period T1, performing polling measurement on L same-frequency neighbor cells of a current cell in real time or periodically; at the end of the convergence time period T1, computing the selection probabilities of each of the L same-frequency neighbor cells in the convergence time period T1 respectively; selecting M1 cells from the L same-frequency neighbor cells as reserved neighbor cells according to the selection probabilities of each neighbor cell in the convergence time period T1; and performing the polling measurement on the M1 cells in a stabilization time period T2 after the convergence time period T1. The embodiment of the invention can reduce workload caused by detection cell selection and improve polling measurement efficiency and the same-frequency detection performance of the communication system.
Description
Technical field
The present invention relates to the communication technology, especially a kind of poll is measured and is processed method and apparatus, base station and communication system.
Background technology
In existing mobile communication system, conventionally adopt common frequency multi-cell detection algorithm to detect the signal strength signal intensity of homogeneous-frequency adjacent-domain, the same frequency that improves communication system detects performance.In actual applications, the quantity of neighbor cell (hereinafter to be referred as homogeneous-frequency adjacent-domain) with identical frequency is more, and the interfere with dynamic of homogeneous-frequency adjacent-domain changes, in order to adapt to this situation, available technology adopting poll Measurement Algorithm, poll is carried out in all homogeneous-frequency adjacent-domains, adaptively selected go out the higher inter-frequency interference cell of correlation, then only carry out with frequency Check processing for the inter-frequency interference cell of selecting, improved the same frequency in communication system and detected performance.
Principle with frequency poll Measurement Algorithm is: the power of the homogeneous-frequency adjacent-domain of all configurations of periodic polls, and after finishing, records each polling cycle the watt level of each homogeneous-frequency adjacent-domain, and according to watt level, corresponding probable value is set, after this poll end cycle, select homogeneous-frequency adjacent-domain that probable value is large as detected cells.Probable value is larger, shows that this community occurs that more strongly disturbing possibility is also larger, and on the contrary, probable value is less, shows that this community occurs that more strongly disturbing possibility is also less.After periodic polls in, repeat above operation, retain high-power community as detected cells, and increase the probable value of this community; Abandon power little community, and reduce the probable value of this community.In addition, select when detected cells, the sequence of positions in also can reference cell list, when the probable value of Liang Ge community is identical, can select forward community, position in cell list as detected cells.
Be introduced applying with the flow process of the detected cells of poll Measurement Algorithm selection frequently by example below.Suppose total L community in cell list, wherein, L is greater than 0 integer, and base station can only be carried out at most the detection computations of M community simultaneously, wherein, M is greater than 0 integer, in this M community, select N community that power is larger as detected cells, and increase the probable value of this N community, wherein, N is greater than 0 integer, and reduces the probable value of other M-NGe community.The relation of L, M and tri-parameters of N is as follows: L >=M >=N.Application can be divided into two stages with the flow process of the detected cells of poll Measurement Algorithm selection frequently: probability is new stage and community choice phase more.Probable value more new stage and required cycle community choice phase can be expressed as T1 and T2, generally, T2 >=T1.
In probable value update cycle T1, according to the watt level of M the community of selecting, by following formula, the probable value of community is upgraded:
In above formula (1), m=1,2 ..., L, represents cell number, n represents the numbering of probable value update cycle, S
m(n) represent the probable value after m community is updated within n probable value update cycle, maximum is restricted to 1, p
1, p
2represent respectively community probability renewal value with σ, value is between 0 and 1.By three expression formulas in above formula (1), can obtain respectively after n probable value update cycle T1, the N that selects and a be retained community, before select but after n-1 probable value update cycle, be excluded M-NGe community and do not have the probable value S of selecteed L-MGe community
m(n).
Expire at probable value update cycle T1, enter community choice phase T2, according to probable value S
m(n), from M community, select N probable value compare great community as detected cells, enter afterwards next probable value update cycle T1, repeat the flow process of above-mentioned selection detected cells.
Realizing in process of the present invention, inventor finds, at least there is following problem with the method for the detected cells of poll Measurement Algorithm selection frequently in above-mentioned application: in real network, the homogeneous-frequency adjacent-domain quantity of configuration Gei Zhe community is more, may reach two, 30, but under normal circumstances, just there is regular interference in sub-fraction adjacent area Dui Zhe community wherein, and other adjacent areas are because frequent no user terminal exists Dui Zhe community not have interference, or have user terminal exist but very little to this area interference, and according to above-mentioned existing method, need to each all carry out poll measurement to all M adjacent area and select detected cells, increase the live load of application with the processor of the detected cells of poll Measurement Algorithm selection frequently, reduce the efficiency that poll is measured, and the same frequency that has affected communication system detects performance.
Summary of the invention
The object of the embodiment of the present invention is: provide a kind of poll to measure and process method and apparatus, base station and communication system, with the live load that reduces to select detected cells to be brought, improve the efficiency that poll is measured, the same frequency that promotes communication system detects performance.
A kind of poll that the embodiment of the present invention provides is measured processing method, comprising:
In convergence period T1, in real time or regularly poll measurement is carried out in the L of a current area homogeneous-frequency adjacent-domain; Calculate respectively each community in L homogeneous-frequency adjacent-domain selected probability at convergence period T1;
Selected probability according to each community at convergence period T1 selects M1Ge community as retaining adjacent area from L homogeneous-frequency adjacent-domain;
In stable period T2 after convergence period T1, poll measurement is carried out in described M1Ge community;
Each community in L homogeneous-frequency adjacent-domain of described calculating comprises at the selected probability of convergence period T1:
By formula Cell_select(n, i)=Cell_select(n-1, i)+func_p(pow_i) calculate the convergence moment adjacent area i of period T1 Nei n unit and be selected as co-channel interference and detect the selected probability Cell_select(n of adjacent area, i), wherein, n value is to be greater than zero integer, and i is the cell number that n unit is selected as co-channel interference detection adjacent area the moment, and base station at most can a detection computations M adjacent area at synchronization.The selected probability of the 0th moment L of a unit homogeneous-frequency adjacent-domain adopts identical preset value, func_p(pow_i) be the function of the received power pow_i of n unit's moment cell i;
By formula Cell_select(n, j)=Cell_select(n-1, j) calculate n unit and be not selected as co-channel interference the moment and detect the selected probability of adjacent area j.
A kind of poll that the embodiment of the present invention provides is measured processing unit, comprising:
Timing module, carries out timing for the convergence period T1 according to replacing successively and stable period T2;
The first poll measurement module, for according to the timing result of described timing module, in convergence period T1, in real time or regularly poll measurement is carried out in the L of a current area homogeneous-frequency adjacent-domain;
Computing module, for according to the timing result of described timing module, after convergence period T1 finishes, calculates respectively each community in L homogeneous-frequency adjacent-domain at the selected probability of restraining period T1; Each community in L homogeneous-frequency adjacent-domain of described calculating comprises at the selected probability of convergence period T1: by formula Cell_select(n, i)=Cell_select(n-1, i)+func_p(pow_i) calculate the convergence moment adjacent area i of period T1 Nei n unit and be selected as co-channel interference and detect the selected probability Cell_select(n of adjacent area, i), wherein, n value is to be greater than zero integer, i is the cell number that n unit is selected as co-channel interference detection adjacent area the moment, and base station is in the maximum detection computations M of a synchronization adjacent area.The selected probability of the 0th moment L of a unit homogeneous-frequency adjacent-domain adopts identical preset value, func_p(pow_i) be the function of the received power pow_i of n unit's moment cell i; By formula Cell_select(n, j)=Cell_select(n-1, j) calculate n unit and be not selected as co-channel interference the moment and detect the selected probability of adjacent area j;
Select module, for the selected probability in the convergence period according to each community, select M1Ge community as retaining adjacent area from L homogeneous-frequency adjacent-domain, wherein, M1 is the positive integer that is not more than L;
The second poll measurement module, for according to the timing result of described timing module, in the stable period T2 after convergence period T1, carries out poll measurement to described M1Ge community, and T2 value is to be greater than zero number.
A kind of base station that the embodiment of the present invention provides, comprises the poll measurement processing unit that the above embodiment of the present invention provides.
A kind of communication system that the embodiment of the present invention provides, comprises the base station that the above embodiment of the present invention provides.
The poll providing based on the above embodiment of the present invention is measured and is processed method and apparatus, base station and communication system, within the convergence period, poll measurement is carried out in all homogeneous-frequency adjacent-domains, can M1Ge community as retaining adjacent area, only this is selected M1Ge community and carries out poll measurement just stablizing in the period afterwards, and do not need other a L-M1 community to carry out poll measurement, dwindle the poll measuring range of homogeneous-frequency adjacent-domain, therefore, compared with prior art, reduce the live load of selecting detected cells to bring, improve the efficiency that poll is measured, and the same frequency that has promoted communication system detects performance.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the flow chart that poll of the present invention is measured an embodiment of processing method;
Fig. 2 is the flow chart that poll of the present invention is measured another embodiment of processing method;
Fig. 3 is the structural representation that poll of the present invention is measured an embodiment of processing unit;
Fig. 4 is the structural representation that poll of the present invention is measured another embodiment of processing unit;
Fig. 5 is the structural representation that poll of the present invention is measured another embodiment of processing unit;
Fig. 6 is the structural representation that poll of the present invention is measured another embodiment of processing unit;
Fig. 7 is that poll of the present invention is measured the also structural representation of an embodiment of processing unit.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 is the flow chart that poll of the present invention is measured an embodiment of processing method.As shown in Figure 1, the method for this embodiment comprises:
Step 101, in convergence period T1, in real time or regularly poll measurement is carried out in the L of a current area homogeneous-frequency adjacent-domain.
Wherein, L value is to be greater than 1 integer, and T1 value is to be greater than zero number.
Step 102, in convergence after period T1 finishes, calculates respectively each community in L homogeneous-frequency adjacent-domain at the selected probability of restraining period T1.
Step 103, the selected probability according to each community at convergence period T1 selects M1Ge community as retaining adjacent area from L homogeneous-frequency adjacent-domain, and wherein, M1 is the positive integer that is not more than L.
Step 104, in the stable period T2 after convergence period T1, poll measurement is carried out in DuiM1Ge community, and wherein, T2 value is to be greater than zero number.
The poll providing according to the above embodiment of the present invention is measured processing method, present invention includes two steps of convergence process and stabilization process, within the convergence period, select the selected larger M1Ge of probability community as retaining adjacent area, just only this is selected M1Ge community and carries out poll measurement stablizing the period afterwards, and do not need other a L-M1 community to carry out poll measurement, dwindle the poll measuring range of homogeneous-frequency adjacent-domain, reduce to select to retain the live load that bring adjacent area, improve the efficiency that poll is measured, and the same frequency that has promoted communication system detects performance.
As one embodiment of the present of invention, in step 102, specifically can calculate in the following way the selected probability of each homogeneous-frequency adjacent-domain:
By formula Cell_select(n, i)=Cell_select(n-1, i)+func_p(pow_i) calculate convergence period T1 Nei n unit moment cell i and be selected as co-channel interference and detect the selected probability Cell_select(n of adjacent area, i), wherein, n value is to be greater than zero integer, i is the cell number that n unit is selected as co-channel interference detection adjacent area the moment, determine which adjacent area to detect adjacent area as co-channel interference by sometime by existing poll method of measurement, base station allows at most to carry out M homogeneous-frequency adjacent-domain Interference Detection simultaneously and calculates.The selected probability of the 0th moment L of a unit homogeneous-frequency adjacent-domain can adopt identical preset value Cell_select(0, i), can be made as 0; Func_p(pow_i) be the function of the received power pow_i of the moment adjacent area i of n unit, received power pow_i wherein can be the absolute power of the moment adjacent area i of n unit, can be also the relative power of the absolute power Yu Zhe community absolute power ratio of the moment adjacent area i of n unit; Accordingly, respectively using selected probability Cell_select(t1, the i of last the moment t1 of unit adjacent area i in convergence period T1) as community at the selected probability of convergence period T1.By formula Cell_select(n, j)=Cell_select(n-1, j) calculate n unit and be not selected as co-channel interference the moment and detect the selected probability of adjacent area j.According to a specific embodiment of the present invention, can obtain in the following manner func_p(pow_i): if pow_i>pow_th, func_p(pow_i)=1, otherwise, if pow_i≤pow_th, func_p(pow_i)=0, wherein, pow_th is default value.Or, also can obtain in the following manner func_p(pow_i): sort to the received power pow_i of M homogeneous-frequency adjacent-domain is descending, the func_p(pow_i of the adjacent area that received power pow_i is higher) value is 1, the func_p(pow_i of other adjacent area) value is 0.Or, also can directly make func_p(pow_i) and=pow_i.
As an alternative embodiment of the invention, step 103 specifically can realize in the following way: the selected probability according to each adjacent area at convergence period T1, and from L homogeneous-frequency adjacent-domain, select M1 the selected probability compare great community at convergence period T1 as retaining adjacent area.Particularly, in convergence when the period, T1 finished, if that is: T1 is expressed as 0～t1, in the time that the t1 moment finishes, to the func_p(n of M homogeneous-frequency adjacent-domain, i) be normalized, that is: Cell_select(i)=Cell_select(n, i)/n, then sorts according to numerical value order from big to small, according to clooating sequence selected part community as retain community, also: retain adjacent area.For example: choose Cell_select(i) the larger M1Ge of numerical value community is as retaining adjacent area.
Or, as another embodiment of the present invention, step 103 specifically also can realize in the following way: the selected probability according to each adjacent area at convergence period T1, the selected probability that is chosen in convergence period T1 from L homogeneous-frequency adjacent-domain is greater than predetermined threshold value select_th M1Ge community as retaining adjacent area.Particularly, predeterminable threshold value select_th can be L homogeneous-frequency adjacent-domain in the average value P of the selected probability of convergence period T1, also can time average value P and default constant C sum, wherein preset constant C and can choose based on experience value.
Select M1Ge community as retaining behind adjacent area by step 103, the M1 that can store on base station retains the relevant information of adjacent area.
In the poll method of measurement providing in the various embodiments described above of the present invention, can regularly trigger execution convergence process, it is the step 101-step 103 in above-described embodiment, also can trigger and carry out convergence process by convergence trigger event, or adopt regularly to trigger with convergence trigger event triggering mode and be combined to trigger execution convergence process, the variation of disturbing to adapt to homogeneous-frequency adjacent-domain, upgrades the reservation neighboring BS information of storing on base station.Convergence trigger event wherein can be the homogeneous-frequency adjacent-domain information change of current area, and/or the traffic carrying capacity of place, base station network changes.Wherein, homogeneous-frequency adjacent-domain information change can be: the information such as frequency or scrambler of homogeneous-frequency adjacent-domain changes, and/or, increase some homogeneous-frequency adjacent-domain etc. newly.
Carry out convergence process if adopt regular triggering mode,, after stablizing period T2 and finishing, can return to execution step 101, that is: start to carry out in convergence period T1, real-time or the regular operation of the L of a current area homogeneous-frequency adjacent-domain being carried out to poll measurement, restarts to carry out convergence process.
Carry out convergence process if adopt convergence trigger event triggering mode, stablizing when convergence trigger event detected in period T2, can return to execution step 101, that is: start to carry out in convergence period T1, real-time or the regular operation of the L of a current area homogeneous-frequency adjacent-domain being carried out to poll measurement, restarts to carry out convergence process.
Regularly trigger if adopt with convergence trigger event triggering mode and be combined to trigger execution convergence process, can trigger and carry out convergence process according to predefined rule, for example: if there is convergence trigger event in period T2 stablizing, finish immediately stabilization process, that is: the step 104 in above-described embodiment, restarts to carry out convergence process; Or, after stablizing period T2 by the time and finishing, just can restart to carry out convergence process.
Further alternatively, in the time stablizing the homogeneous-frequency adjacent-domain information change that current area detected in period T2, whether the homogeneous-frequency adjacent-domain information that can also identify variation reaches pre-set limit; If reach pre-set limit, after according to the homogeneous-frequency adjacent-domain information changing, the corresponding homogeneous-frequency adjacent-domain information of storing on base station being upgraded, can enter convergence process, return to execution step 101; Otherwise, if do not reach pre-set limit, according to the homogeneous-frequency adjacent-domain information changing, the corresponding homogeneous-frequency adjacent-domain information of storing on base station is upgraded, and is upgraded to retaining adjacent area the stabilization process that poll measurement is carried out in rear continuation execution DuiM1Ge community.For example: suppose that current area frequency F1 has L homogeneous-frequency adjacent-domain, the reservation adjacent area quantity while entering stabilization process is M1.In stabilization process, there is K neighboring BS information to change, wherein K is the positive integer that is less than or equal to M1, can preset pre-set limit is that K/L is more than or equal to decision threshold s_th1, or K/M1 is more than or equal to decision threshold s_th2, in the time of K/L<s_th1 or K/M1<s_th2, can think change homogeneous-frequency adjacent-domain negligible amounts, homogeneous-frequency adjacent-domain information does not reach pre-set limit, upgrades the handling process that can continue stabilization process after the information of corresponding homogeneous-frequency adjacent-domain.Otherwise, in the time of K/L >=s_th1 or K/M1 >=s_th2, can think that the homogeneous-frequency adjacent-domain quantity changing is larger, homogeneous-frequency adjacent-domain information reaches pre-set limit, first according to the homogeneous-frequency adjacent-domain information changing, the corresponding homogeneous-frequency adjacent-domain information of storing on base station is upgraded, then restart to enter convergence process, carry out corresponding follow-up processing flow.
The object of convergence process is often from the homogeneous-frequency adjacent-domain of all configurations, to find out current area to have the adjacent area of disturbing, dwindle poll measuring range, and further select to retain adjacent area and carry out poll measurement, therefore, if homogeneous-frequency adjacent-domain information changes, after preferably the homogeneous-frequency adjacent-domain information of storing on base station being upgraded, then reenter convergence process, carry out corresponding flow process, poll measurement is carried out in the homogeneous-frequency adjacent-domain after upgrading.Therefore, in the poll method of measurement providing in the various embodiments described above of the present invention, for example, in convergence period T1, when the homogeneous-frequency adjacent-domain information change of current area detected, can upgrade corresponding homogeneous-frequency adjacent-domain information on base station according to the homogeneous-frequency adjacent-domain information changing, and after renewal finishes, start to enter convergence process, return to execution step 101.
For multi-carrier district, may occur that multiple frequencies have the situation of identical homogeneous-frequency adjacent-domain, for example: have Q identical homogeneous-frequency adjacent-domain at multiple frequencies, Q is the positive integer that is not more than L.Now, according to one embodiment of present invention, can adopt several different methods to carry out the poll method of measurement that the embodiment of the present invention provides, for example: for each frequency in multiple frequencies, carry out respectively the flow process of the above embodiment of the present invention, select reservation adjacent area separately;
Or, also can be for each frequency in multiple frequencies, carry out respectively convergence process, and in the time that convergence process finishes, for each frequency, added up in the selected probability Cell_select value of convergence period T1 in identical adjacent area in L homogeneous-frequency adjacent-domain respectively, obtain the selected probability of this identical adjacent area, as the selected probability of this identical adjacent area each frequency in multiple frequencies, then each frequency M1 adjacent area that the selected probability of selection is larger from L homogeneous-frequency adjacent-domain separately is again as the reservation adjacent area of this frequency;
Or, for each frequency in multiple frequencies, carry out respectively the flow process of the above embodiment of the present invention, select behind reservation adjacent area separately, if certain frequency has selected certain identical adjacent area as retaining adjacent area, this identical adjacent area also can be added the reservation adjacent area of other frequencies to, as long as this adjacent area also belongs to the homogeneous-frequency adjacent-domain of other frequencies simultaneously.
Fig. 2 is the flow chart that poll of the present invention is measured another embodiment of processing method.As shown in Figure 2, the poll of this embodiment is measured to process and is comprised the following steps:
Step 201, in the time that multiple frequencies have identical one or more homogeneous-frequency adjacent-domain, for the each frequency in multiple frequencies, carries out respectively the step 101-step 102 in above-described embodiment.
Step 202, calculates respectively L homogeneous-frequency adjacent-domain of each frequency at the selected probability of convergence period T1.
Step 203, the selected probability according to each adjacent area at each frequency is selected respectively the reservation adjacent area of total selected larger M1Ge of probability community as this frequency from L homogeneous-frequency adjacent-domain of each frequency.
Step 204, in the stable period T2 after convergence period T1, poll measurement is carried out in DuiM1Ge community, and T2 value is to be greater than zero number.
In same date not, different period, traffic carrying capacity between communication network Zhong Ge community may be different, thereby cause the live load of each community also different, for example: the Zone that mainly covers Administrative Area concentrates on the working hour on daytime conventionally, the Zone that mainly covers residential block concentrates on evening or weekend conventionally.Like this, for Yi Ge community, its operating time section is subject to adjacent area by day main interference is with difference in evening.Therefore, can be in advance according to the business characteristic of day part, carry out poll measurement strategies the storage of day part, this poll measurement strategies specifically can comprise for the convergence period T1 of period on daytime and stable period T2 information, also comprises convergence period T1 and stable period T2 information for the period in night.
Again for example: according to business characteristic, can will within 1 day, be divided into R period, convergence period T1 and stable period T2 is separately set respectively for R period, within each period, business does not in the same time have similitude, such as most of moment traffic carrying capacity in, this period all approaches etc.Each period is calculated respectively the selected probability of L community at convergence period T1 in convergence period T1 separately, from L homogeneous-frequency adjacent-domain, the selected large M1Ge of probability of selection community, as the reservation adjacent area of this period, then retains adjacent area to M1 and carries out with poll measurement frequently in stable period T2 separately.
The different periods adopt poll that the embodiment of the present invention provide to measure processing method to carry out poll to measure the flow process of processing separate, for example: for period i, can select this identical period i of continuous m_i days as convergence period T1, and after this identical period i of continuous n_i days as stablizing period T2, for i ≠ j, that is: period i is when j is different from the period, and the number of days m_i that period i is corresponding can equal the number of days m_j that period j is corresponding, also can be not equal to the number of days m_j that period j is corresponding; In like manner, n_i can equal or be not equal to n_j.
In addition, in concrete application, can for example, according to the business characteristic of day part: traffic carrying capacity size, determine the numerical value of restraining period T1 and stable period T2 in day part.For same region, the period that traffic carrying capacity is less, for example: Administrative Area workaday morning～morning, may need long period convergence, this period arranges larger convergence period T1, less stable period T2; On the contrary, for example, in the larger period of traffic carrying capacity: Administrative Area workaday daytime～evening, business is comparatively intensive, this period arranges less convergence period T1, larger stable period T2.
Fig. 3 is the structural representation that poll of the present invention is measured an embodiment of processing unit, and the poll measurement processing unit of this embodiment can be used in the present invention the poll of the various embodiments described above and measures processing method.As shown in Figure 3, it comprises timing module 301, the first poll measurement module 302, computing module 303, selects module 304 and the second poll measurement module 305.
Wherein, timing module 301 carries out timing for the convergence period T1 according to replacing successively and stable period T2.The first poll measurement module 302 is for according to the timing result of timing module 301, and in convergence period T1, in real time or regularly poll measurement is carried out in the L of a current area homogeneous-frequency adjacent-domain, L value is to be greater than zero integer, and T1 value is to be greater than zero number.Computing module 303 is for according to the timing result of timing module 301, after convergence period T1 finishes, calculates respectively each community in L homogeneous-frequency adjacent-domain at the selected probability of restraining period T1.Select module 304 for the selected probability in the convergence period according to each community, select M1Ge community as retaining adjacent area from L homogeneous-frequency adjacent-domain, wherein, M1 is the positive integer that is not more than L.The second poll measurement module 305 is for according to the timing result of timing module 301, and in the stable period T2 after convergence period T1, poll measurement is carried out in DuiM1Ge community, and T2 value is to be greater than zero number.
The poll providing according to the above embodiment of the present invention is measured processing unit, can select in the larger M1Ge of the selected probability community of restraining the period as retaining adjacent area, only this is selected M1Ge community and carries out poll measurement just stablizing in the period afterwards, and do not need other a L-M1 community to carry out poll measurement, dwindle the poll measuring range of homogeneous-frequency adjacent-domain, reduce to select to retain the live load that bring adjacent area, improve the efficiency that poll is measured, and promoted the same frequency detection performance of communication system.
Fig. 4 is the structural representation that poll of the present invention is measured another embodiment of processing unit, and the poll of this embodiment is measured processing unit and be can be used in the present invention embodiment by the corresponding flow process that restrains trigger event triggering execution convergence process.As shown in Figure 4, compared with the embodiment shown in Fig. 3, the poll of this embodiment is measured processing unit and is also comprised first detection module 306 and scheduler module 307.Wherein, first detection module 306 is for detection of stablizing whether restrain trigger event in period T2, and convergence trigger event comprises that the traffic carrying capacity on homogeneous-frequency adjacent-domain information change and/or the base station of current area changes.Scheduler module 307 is for according to the testing result of first detection module 306, and stablizing while convergence trigger event being detected in period T2, instruction timing module 301 carries out timing according to convergence period T1.
Referring to Fig. 4, first detection module 306 wherein can comprise detecting unit and recognition unit.Wherein recognition unit is in the time that detecting unit detects homogeneous-frequency adjacent-domain information change, whether the homogeneous-frequency adjacent-domain information that identification changes reaches pre-set limit, detecting unit is for detection of stablizing whether restrain trigger event in period T2, and this convergence trigger event specifically can comprise that the homogeneous-frequency adjacent-domain information change of current area and/or the traffic carrying capacity of place, base station network change.Accordingly, scheduler module 307 is specifically for according to the recognition result of recognition unit, and in the time that whether the homogeneous-frequency adjacent-domain information changing reaches pre-set limit, instruction timing module 301 carries out timing according to convergence period T1.
Fig. 5 is the structural representation that poll of the present invention is measured another embodiment of processing unit, the poll of this embodiment is measured processing unit and be can be used in the present invention embodiment in convergence period T1, the corresponding poll measurement procedure when homogeneous-frequency adjacent-domain information change of current area.As shown in Figure 5, compared with the embodiment shown in Fig. 4, the poll of this embodiment is measured processing unit and is also comprised the second detection module 308 and update module 309.Wherein, whether the second detection module 308 changes for detection of the homogeneous-frequency adjacent-domain information of current area, for example: in convergence period T1, whether the homogeneous-frequency adjacent-domain information of current area changes.Update module 309 is for according to the testing result of the second detection module 308, in the time of the information change of the homogeneous-frequency adjacent-domain of current area, for example: in convergence period T1 when the homogeneous-frequency adjacent-domain information change of current area, according to the homogeneous-frequency adjacent-domain information changing, corresponding homogeneous-frequency adjacent-domain information on base station is upgraded, and after renewal finishes, instruction timing module 301 carries out timing according to convergence period T1.
Fig. 6 is the structural representation that poll of the present invention is measured another embodiment of processing unit, and the poll of this embodiment is measured processing unit and be can be used in the present invention poll measurement processing method embodiment illustrated in fig. 2.In this embodiment, multiple frequencies have Q identical homogeneous-frequency adjacent-domain, and Q is less than L.In this embodiment, timing module 301, specifically for the each frequency in multiple frequencies, carries out timing according to the convergence period T1 replacing successively and stable period T2.Accordingly, the first poll measurement module 302 is specifically for according to the timing result of timing module 301, for the each frequency in multiple frequencies, in convergence period T1, in real time or regularly poll measurement is carried out in the L of a current area homogeneous-frequency adjacent-domain.Referring to Fig. 6, poll is measured processing unit and is also comprised accumulative total module 310, for according to the result of calculation of computing module 303, for the identical adjacent area of different frequent points, the selected probability using this identical adjacent area at different frequent points adds up as the selected probability of this identical adjacent area each frequency in multiple frequencies.The selected probability of each identical adjacent area and the selected probability of other adjacent areas that computing module 303 draws of selecting module 304 specifically to go out according to accumulative total module 310 accumulative totals are selected the reservation adjacent area of M1Ge community as this frequency from L homogeneous-frequency adjacent-domain of each frequency.
Fig. 7 is that poll of the present invention is measured the also structural representation of an embodiment of processing unit, and the poll of this embodiment is measured processing unit and be can be used in the present invention poll measurement processing method embodiment illustrated in fig. 3.As shown in Figure 7, compared with above-described embodiment, the poll of this embodiment is measured processing unit and is also comprised memory module 311, for storing the poll measurement strategies corresponding with current time, this poll measurement strategies presets according to the business characteristic of different periods, and poll measurement strategies comprises convergence period T1 and the stable period T2 parameter for the different periods.Accordingly, timing module 301, specifically according to the poll measurement strategies in memory module 311, in the current period, carries out timing based on corresponding convergence period T1 and stable period T2 parameter.
The embodiment of the present invention also provides a kind of base station, and this base station can comprise the poll measurement processing unit that the above-mentioned arbitrary embodiment of the present invention provides.
The base station providing according to the above embodiment of the present invention, can go out to be selected in the larger M1Ge of probability community as retaining adjacent area at convergence choosing period of time, just only this is selected M1Ge community and carries out poll measurement stablizing the period afterwards, and do not need other a L-M1 community to carry out poll measurement, dwindle the poll measuring range of homogeneous-frequency adjacent-domain, reduce to select to retain the live load that bring adjacent area, improved the efficiency that poll is measured, and promoted the same frequency detection performance of communication system.
The embodiment of the present invention also provides a kind of communication system, and this communication system can comprise the base station that the above-mentioned arbitrary embodiment of the present invention provides.
The communication system providing according to the above embodiment of the present invention, can within the convergence period, select the selected larger M1Ge of probability community as retaining adjacent area, only this is selected M1Ge community and carries out poll measurement just stablizing in the period afterwards, and do not need other a L-M1 community to carry out poll measurement, dwindle the poll measuring range of homogeneous-frequency adjacent-domain, reduce to select to retain the live load that bring adjacent area, improve the efficiency that poll is measured, and promoted the same frequency detection performance of communication system.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can complete by the relevant hardware of program command, aforesaid program can be stored in a computer read/write memory medium, this program, in the time carrying out, is carried out the step that comprises said method embodiment; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CDs.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.For system embodiment, because it is substantially similar to embodiment of the method, so description is fairly simple, relevant part is referring to the part explanation of embodiment of the method.
The poll that the embodiment of the present invention provides is measured and is processed method and apparatus, base station and communication system, has reduced the live load of selecting detected cells to bring, has improved the efficiency that poll is measured, and has promoted the same frequency detection performance of communication system.
It should be noted last that: above embodiment is only in order to technical scheme of the present invention to be described, but not being restricted property of the present invention is understood.Although the present invention is had been described in detail with reference to above-mentioned preferred embodiment, those of ordinary skill in the art is to be understood that: it still can be modified or be equal to replacement technical scheme of the present invention, and this amendment or be equal to the spirit and scope that replacement does not depart from technical solution of the present invention.
Claims (18)
1. poll is measured a processing method, it is characterized in that, comprising:
In convergence period T1, in real time or regularly poll measurement is carried out in the L of a current area homogeneous-frequency adjacent-domain; Calculate respectively each community in L homogeneous-frequency adjacent-domain selected probability at convergence period T1;
Selected probability according to each community at convergence period T1 selects M1Ge community as retaining adjacent area from L homogeneous-frequency adjacent-domain;
In stable period T2 after convergence period T1, poll measurement is carried out in described M1Ge community;
Each community in L homogeneous-frequency adjacent-domain of described calculating comprises at the selected probability of convergence period T1:
By formula Cell_select(n, i)=Cell_select(n-1, i)+func_p(pow_i) calculate the convergence moment adjacent area i of period T1 Nei n unit and be selected as co-channel interference and detect the selected probability Cell_select(n of adjacent area, i), wherein, n value is to be greater than zero integer, and i is that n unit is selected as co-channel interference the moment and detects the cell number of adjacent area, and base station at most can a detection computations M adjacent area at synchronization; The selected probability of the 0th moment L of a unit homogeneous-frequency adjacent-domain adopts identical preset value, func_p(pow_i) be the function of the received power pow_i of n unit's moment cell i;
By formula Cell_select(n, j)=Cell_select(n-1, j) calculate n unit and be not selected as co-channel interference the moment and detect the selected probability of adjacent area j.
2. method according to claim 1, is characterized in that, also comprises and obtains in the following manner func_p(pow_i) operation:
Pow_i>pow_th, func_p(pow_i)=1, otherwise, if pow_i≤pow_th, func_p(pow_i)=0, wherein, pow_th is default value; Or
In M the homogeneous-frequency adjacent-domain in each unit moment, the func_p(pow_i of received power pow_i compare Gao community) value is 1, the func_p(pow_i of other community) value is 0; Or
func_p（pow_i）＝pow_i。
3. method according to claim 1, is characterized in that, the described M1Ge community of selecting from L homogeneous-frequency adjacent-domain comprises as retaining adjacent area:
Selected probability according to each adjacent area at convergence period T1 selects M1 the selected probability compare great community at convergence period T1 as retaining adjacent area from L homogeneous-frequency adjacent-domain; Or
Selected probability according to each community at convergence period T1, the selected probability that is chosen in convergence period T1 from L homogeneous-frequency adjacent-domain is greater than predetermined threshold value select_th M1Ge community as retaining adjacent area.
4. method according to claim 3, is characterized in that, described predetermined threshold value select_th is specially the average value P of a described L homogeneous-frequency adjacent-domain at the selected probability of convergence period T1, or described average value P and default constant C sum.
5. according to the method described in claim 1 to 4 any one, it is characterized in that, also comprise:
After described stable period T2 finishes, return to execution described in convergence period T1, the real-time or regular operation of the L of a current area homogeneous-frequency adjacent-domain being carried out to poll measurement; Or
In described stable period T2, detect while restraining trigger event, return to execution described in convergence period T1, the real-time or regular operation of the L of a current area homogeneous-frequency adjacent-domain being carried out to poll measurement.
6. method according to claim 5, is characterized in that, described convergence trigger event comprises that the homogeneous-frequency adjacent-domain information change of current area and/or the traffic carrying capacity of place, described base station network change.
7. method according to claim 6, is characterized in that, when the homogeneous-frequency adjacent-domain information change of current area detected, also comprises in described stable period T2:
Whether the homogeneous-frequency adjacent-domain information that identification changes reaches pre-set limit;
If reach pre-set limit, according to the homogeneous-frequency adjacent-domain information changing, the corresponding homogeneous-frequency adjacent-domain information of storing on described base station is upgraded, return to execution described in convergence period T1, the real-time or regular operation of the L of a current area homogeneous-frequency adjacent-domain being carried out to poll measurement;
Otherwise, if do not reach pre-set limit, according to the homogeneous-frequency adjacent-domain information changing, the corresponding homogeneous-frequency adjacent-domain information of storing on described base station is upgraded, and upgraded retaining adjacent area, continue to carry out the described operation of M1Ge community after described renewal being carried out to poll measurement.
8. according to the method described in claim 1 to 4 any one, it is characterized in that, also comprise: the homogeneous-frequency adjacent-domain information change of current area detected in described convergence period T1 time, according to the homogeneous-frequency adjacent-domain information changing, corresponding homogeneous-frequency adjacent-domain information on described base station is upgraded, and after renewal finishes, re-execute described in convergence period T1, in real time or regularly the L of a current area homogeneous-frequency adjacent-domain is carried out the operation of poll measurement.
9. according to the method described in claim 1 to 4 any one, it is characterized in that, described in convergence period T1, in real time or regularly poll measurement is carried out in the L of a current area homogeneous-frequency adjacent-domain and comprise: for the each frequency in multiple frequencies, execution is described in convergence period T1 respectively, the real-time or regular operation of the L of a current area homogeneous-frequency adjacent-domain being carried out to poll measurement;
From L homogeneous-frequency adjacent-domain, select in the following manner M1Ge community as retaining adjacent area:
For the identical adjacent area of different frequent points, using this identical adjacent area the selected probability of different frequent points cumulative in these multiple frequencies in Ta place, identical adjacent area the selected probability of each frequency; Or
Each frequency calculates and retains adjacent area according to the selected probability of each adjacent area in its a L homogeneous-frequency adjacent-domain; Or
When poll measurement is carried out in described M1Ge community, each frequency in multiple frequencies is selected to retain behind adjacent area separately, if have a frequency to select identical adjacent area as retaining adjacent area in multiple frequencies, also select this identical adjacent area as the reservation adjacent area in described multiple frequencies with other frequency of this identical adjacent area.
10. according to the method described in claim 1 to 4 any one, it is characterized in that, before convergence period T1, also comprise: obtain pre-stored poll measurement strategies, this poll measurement strategies presets according to the business characteristic of different periods, and described poll measurement strategies comprises convergence period T1 and the stable period T2 parameter for the different periods;
According to described poll measurement strategies, in the current period, carry out corresponding convergence process and stabilization process based on corresponding convergence period T1 and stable period T2 parameter.
11. 1 kinds of polls are measured processing unit, it is characterized in that, comprising:
Timing module, carries out timing for the convergence period T1 according to replacing successively and stable period T2;
The first poll measurement module, for according to the timing result of described timing module, in convergence period T1, in real time or regularly poll measurement is carried out in the L of a current area homogeneous-frequency adjacent-domain;
Computing module, for according to the timing result of described timing module, after convergence period T1 finishes, calculates respectively each community in L homogeneous-frequency adjacent-domain at the selected probability of restraining period T1; Each community in L homogeneous-frequency adjacent-domain of described calculating comprises at the selected probability of convergence period T1: by formula Cell_select(n; i)=Cell_select(n-1; i)+func_p(pow_i) calculate the convergence moment adjacent area i of period T1 Nei n unit and be selected as co-channel interference and detect the selected probability Cell_ select(n of adjacent area; i); wherein; n value is to be greater than zero integer; i is the cell number that n unit is selected as co-channel interference detection adjacent area the moment, and base station is in the maximum detection computations M of a synchronization adjacent area; The selected probability of the 0th moment L of a unit homogeneous-frequency adjacent-domain adopts identical preset value, func_p(pow_i) be the function of the received power pow_i of n unit's moment cell i; By formula Cell_select(n, j)=Cell_select(n-1, j) calculate n unit and be not selected as co-channel interference the moment and detect the selected probability of adjacent area j;
Select module, for the selected probability in the convergence period according to each community, select M1Ge community as retaining adjacent area from L homogeneous-frequency adjacent-domain, wherein, M1 is the positive integer that is not more than L;
The second poll measurement module, for according to the timing result of described timing module, in the stable period T2 after convergence period T1, carries out poll measurement to described M1Ge community, and T2 value is to be greater than zero number.
12. devices according to claim 11, is characterized in that, also comprise:
First detection module, for detection of whether restrain trigger event in described stable period T2, described convergence trigger event comprises that the homogeneous-frequency adjacent-domain information change of current area and/or the traffic carrying capacity of place, described base station network change;
Scheduler module, be used for according to the testing result of described first detection module, convergence trigger event detected in described stable period T2 time, according to the homogeneous-frequency adjacent-domain information changing, corresponding homogeneous-frequency adjacent-domain information on described base station is upgraded, and indicated described timing module to carry out timing according to convergence period T1.
13. devices according to claim 12, is characterized in that, described first detection module comprises:
Detecting unit, for detection of whether restrain trigger event in described stable period T2, described convergence trigger event comprises that the homogeneous-frequency adjacent-domain information change of current area and/or the traffic carrying capacity of place, described base station network change;
Recognition unit, in the time that described detecting unit detects homogeneous-frequency adjacent-domain information change, whether the homogeneous-frequency adjacent-domain information that identification changes reaches pre-set limit;
Described scheduler module is specifically for according to the recognition result of described recognition unit, in the time that whether the homogeneous-frequency adjacent-domain information changing reaches pre-set limit, according to the homogeneous-frequency adjacent-domain information changing, corresponding homogeneous-frequency adjacent-domain information on described base station is upgraded, and indicated described timing module to carry out timing according to convergence period T1.
14. according to the device described in claim 11,12 or 13, it is characterized in that, also comprises:
Whether the second detection module, change for detection of the homogeneous-frequency adjacent-domain information of current area in described convergence period T1;
Update module, be used for according to the testing result of described the second detection module, in the time of the information change of the homogeneous-frequency adjacent-domain of current area, according to the homogeneous-frequency adjacent-domain information changing, corresponding homogeneous-frequency adjacent-domain information on described base station is upgraded, and after renewal finishes, indicate described timing module to carry out timing according to convergence period T1.
15. according to the device described in claim 11,12 or 13, it is characterized in that,
Described timing module, specifically for the each frequency in multiple frequencies, carries out timing according to the convergence period T1 replacing successively and stable period T2;
Described the first poll measurement module is specifically for according to the timing result of described timing module, for the each frequency in described multiple frequencies, in convergence period T1, in real time or regularly poll measurement is carried out in the L of a current area homogeneous-frequency adjacent-domain;
Described device also comprises accumulative total module, described accumulative total module, be used for according to the result of calculation of described computing module, for the identical adjacent area of different frequent points, using this identical adjacent area the selected probability of different frequent points cumulative in multiple frequencies at this Qi place, identical adjacent area the selected probability of each frequency.
16. according to the device described in claim 11,12 or 13, it is characterized in that, also comprises:
Memory module, for storing the poll measurement strategies corresponding with current time, this poll measurement strategies presets according to the business characteristic of different periods, and described poll measurement strategies comprises convergence period T1 and the stable period T2 parameter for the different periods;
Described timing module, specifically according to described poll measurement strategies, in the current period, carries out timing based on corresponding convergence period T1 and stable period T2 parameter.
17. 1 kinds of base stations, is characterized in that, comprise that the poll described in claim 11 to 16 any one is measured processing unit.
18. 1 kinds of communication systems, is characterized in that, comprise the base station of claim 17.
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