CN105263183A - Method and device for power adjustment - Google Patents
Method and device for power adjustment Download PDFInfo
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- CN105263183A CN105263183A CN201510735955.6A CN201510735955A CN105263183A CN 105263183 A CN105263183 A CN 105263183A CN 201510735955 A CN201510735955 A CN 201510735955A CN 105263183 A CN105263183 A CN 105263183A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/22—TPC being performed according to specific parameters taking into account previous information or commands
- H04W52/225—Calculation of statistics, e.g. average, variance
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Abstract
The invention discloses a method for power adjustment and relates to the field of communication technology. Average network experience of micro-station service users can be effectively improved. The method comprises steps that a micro base station obtains a corresponding service macro community; the micro base station counts first signal strength difference between micro communities fed back by different grades of users and the service macro community serviced by the micro base station; the micro base station calculates the ratio value of first target users to all users in the user grade to which the first target users belong, wherein the first target users are the micro base station users whose fist signal strength difference values are lower than the interference threshold; and when the ratio is higher than the adjustment threshold, the micro base station adjusts emission power. The method is applicable in power adjustment processes of base stations.
Description
Technical field
The present invention relates to communication technical field, particularly relate to method and the device of the adjustment of a kind of power.
Background technology
Along with density of population skewness, Different age group, the demand difference of different regions user to mobile service are increasing, making the mobile service of different districts carry demand has " cold " to have " heat ", and the traffic needs of same Intra-cell diverse geographic location is also different.
Therefore, micro-base station starts to enter fast among mobile network's construction.Micro-base station that power is different, come in every shape, forms diversified networking plan with macro base station, or for macro base station, to mend blind benefit weak, solves the not enough problem of degree of depth covering power of macro base station; Or be macro base station heat absorption, lifting region network capacity, improves customer service and experiences.At present each operation commercial city is taked in this networking mode of identical networking, grand micro-between co-channel interference cause obvious negative effect by experiencing the user network of macrocell, Microcell service.Because the power of macro base station generally should not adjust, therefore, all by the transmitting power of the micro-base station of dynamic adjustment, the impact of co-channel interference can be alleviated to a certain extent.
Current micro-base station power dynamic conditioning scheme, expectation SINR (the SignaltoInterferenceplusNoiseRatio of micro-base station user is mainly first set, Signal to Interference plus Noise Ratio) thresholding, by the signal of the link load estimated and surrounding macro base station, configure the transmitting power of self, thus ensure that the SINR of all users that micro-base station is served is all higher than SINR threshold value, and then the network of Deterministic service user is experienced.At present, in order to reduce the impact of micro-base station on macro base station, generally all can arrange less by expectation SINR, make the SINR of all users all higher than a less desired value, this most harsh conditions that can only ensure that the user network of serving micro-base station experiences is controlled, but the averaging network that effectively can not improve micro-base station service-user is experienced.
Summary of the invention
A kind of method that embodiments of the invention provide power to adjust and device, the averaging network effectively improving micro-base station service-user is experienced.
For achieving the above object, embodiments of the invention adopt following technical scheme:
Embodiments provide the method for a kind of power adjustment, comprising:
Micro-base station obtains the serving macro-cell corresponding with described micro-base station;
Described micro-base station statistics Microcell of different brackets user feedback and first signal strength difference of described serving macro-cell under described micro-base station service;
Described micro-base station calculates in all users under first object user owning user grade, the accounting value of described first object user, and described first object user is the micro-base station user of the first signal strength difference lower than interference threshold;
When described accounting value is higher than adjustment thresholding, described micro-base station adjustment transmitting power.
The embodiment of the present invention additionally provides the device of a kind of power adjustment, comprising:
Acquiring unit, for obtaining the serving macro-cell corresponding with micro-base station;
Statistic unit, for adding up the Microcell of different brackets user feedback and the first signal strength difference of described serving macro-cell under described micro-base station service;
Computing unit, for calculating in all users under first object user owning user grade, the accounting value of described first object user, described first object user is the micro-base station user of the first signal strength difference lower than interference threshold;
Adjustment unit, for when described accounting value is higher than adjustment thresholding, adjustment transmitting power.
The method of a kind of power adjustment that the embodiment of the present invention provides and device, first determine to need micro-base station to carry out load balancing, and at the higher macro base station of region memory in Microcell of its signal strength signal intensity, to make micro-base station can effectively for these macro base stations provide load balancing service, be unlikely to the signal strength signal intensity affecting macro base station simultaneously, then the current quantity being disturbed user in micro-base station is determined by accounting value, if quantity is higher, adjust the transmitting power of micro-base station, to ensure the service to micro-base station user.Determine base station power compared to prior art by arranging unified SINR value, the embodiment of the present invention more can complete in conjunction with actual conditions and adjust the power of micro-base station.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The method flow diagram of a kind of power adjustment that Fig. 1 provides for the embodiment of the present invention;
The method flow diagram of the another kind of power adjustment that Fig. 2 provides for the embodiment of the present invention;
The method flow diagram of the another kind of power adjustment that Fig. 3 provides for the embodiment of the present invention;
The composition frame chart of the device of a kind of power adjustment that Fig. 4 provides for the embodiment of the present invention;
The composition frame chart of the device of the another kind of power adjustment that Fig. 5 provides for the embodiment of the present invention;
The composition frame chart of the device of the another kind of power adjustment that Fig. 6 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiments provide the method for a kind of power adjustment, be applicable to the transmitting power adjustment of micro-base station, the method is performed by micro-base station, and as shown in Figure 1, its method flow comprises:
101, the serving macro-cell corresponding with micro-base station is obtained.
In embodiments of the present invention, described serving macro-cell needs to have following two conditions, and one is that micro-base station needs for this macrocell load sharing, and Microcell also will be deployed in the higher region of this macro-cell signals intensity.
102, the Microcell of different brackets user feedback and the first signal strength difference of described serving macro-cell under described micro-base station service is added up.
It should be noted that, need to add up the first signal strength difference of each user feedback under each user gradation here.
103, calculate in all users under first object user owning user grade, the accounting value of described first object user, described first object user is the micro-base station user of the first signal strength difference lower than interference threshold.
104, when described accounting value is higher than adjustment thresholding, adjustment transmitting power.
Adjustment thresholding herein generally carries out arranging as required.
The method of a kind of power adjustment that the embodiment of the present invention provides, first determine to need micro-base station to carry out load balancing, and at the higher macro base station of region memory in Microcell of its signal strength signal intensity, to make micro-base station can effectively for these macro base stations provide load balancing service, be unlikely to the signal strength signal intensity affecting macro base station simultaneously, then determine the current quantity being disturbed user in micro-base station by accounting value, if quantity is higher, adjust the transmitting power of micro-base station, to ensure the service to micro-base station user.Determine base station power compared to prior art by arranging unified SINR value, the embodiment of the present invention more can complete in conjunction with actual conditions and adjust the power of micro-base station.
The embodiment of the present invention there is provided herein a kind of defining method of serving macro-cell, for the micro-base station of step 101 obtains the specific implementation of the serving macro-cell corresponding with described micro-base station, as shown in Figure 2, comprising:
201, obtain the measurement report of mobile subscriber's feedback of own services, described measurement report comprises Microcell signal strength signal intensity and neighboring area signal intensity.
Wherein, signal strength signal intensity can be embodied by RSRP value.
202, total Times of Feedback accounting value is defined as the potential serving macro-cell of described micro-base station more than the adjacent area of the first predetermined threshold value.
Number of times referred in the total Times of Feedback herein mentioned is appreciated that measurement report that to be each adjacent area feed back mobile subscriber.So total Times of Feedback accounting value just refer to the referred number of times in adjacent area the referred number of times in all adjacent areas comprehensive in ratio.
Wherein, the first predetermined threshold value can be set to the parameter of 30% or other applicable actual needs.
203, in the measurement report that described potential serving macro-cell is corresponding, by described Microcell signal strength signal intensity higher than the second predetermined threshold value and neighboring area signal intensity more than the 3rd predetermined threshold value measurement report corresponding to potential serving macro-cell be defined as the serving macro-cell corresponding with described micro-base station.
It should be noted that, the situation of same adjacent area can be provided to occur because there is multiple measurement report, therefore when calculating neighboring area signal intensity, generally can be realized by calculating mean value.
Wherein, the second predetermined threshold value can be set to-95dBm, and the 3rd predetermined threshold value can be set to-100dBm, can certainly be set to other parameters according to actual needs.
Supplementary notes, after performing step 201 and 203, likely can get multiple serving macro-cell.So in follow-up power adjustment procedure, need these serving macro-cell to be regarded as an adjacent area group and carry out follow-up process.
The embodiment of the present invention additionally provides the concrete grammar of a kind of power adjustment at this, for step 104 adjusts the specific implementation of transmitting power, as shown in Figure 3, comprising:
301, according to the maximum transmission power of described micro-base station, determine several supposition power configuration values, described supposition power configuration value is not more than described maximum transmission power.
Wherein, assuming that the determination of power configuration value can by from the configurable maximum transmission power in micro-base station successively according to power adjustable step-length, subtract 2 times of tunable steps, subtract 3 times of tunable steps and successively decrease, until reach the configurable minimum emissive power value in micro-base station.
302, calculate when to be configured to different supposition power configuration values in described micro-base station respectively, the secondary signal strength difference of Microcell and described serving macro-cell under each user gradation.
The method for expressing of the secondary signal strength difference herein mentioned is identical with the first signal strength difference with calculating.
303, corresponding according to different user grade secondary signal strength difference, calculate the accounting value of the second targeted customer described in all users of each user gradation respectively, described second targeted customer is the micro-base station user of secondary signal strength difference lower than interference threshold.
304, according to the accounting value of the second targeted customer described in all users of each user gradation, a supposition power configuration value is determined.
At this, the embodiment of the present invention provides a kind of feasible defining method, but the embodiment of the present invention has more than and is limited to this implementation method.Following table 1 is an example of Configuration Values and user's accounting value, and the embodiment of the present invention is described at this in conjunction with the defining method of this table to supposition power configuration value.
Table 1 is under different user grade, assuming that the corresponding relation of power configuration value and accounting value
| Configuration Values A | Configuration Values B | Configuration Values C | Configuration Values D | Adjustment thresholding | |
| High ranked user | 9％ | 8％ | 11％ | 8％ | 10％ |
| Middle grade user | 14％ | 16％ | 10％ | 14％ | 15％ |
| Inferior grade user | 25％ | 18％ | 23％ | 21％ | 20％ |
As can be seen from Table 1, to adjust thresholding for 20%, Configuration Values A is compared with Configuration Values C, and under Configuration Values A, high middle grade is disturbed micro-base station user accounting all lower than adjustment thresholding, only have middle grade to be disturbed micro-base station user accounting lower than adjustment thresholding under Configuration Values C, then Configuration Values A is more excellent.Configuration Values A is compared with Configuration Values B, and only have inferior grade and middle grade to be disturbed micro-base station user accounting lower than adjustment thresholding under two kinds of Configuration Values respectively, but the accounting of Configuration Values B middle grade user is closer to adjustment thresholding, therefore Configuration Values B is more excellent.Configuration Values B is compared with Configuration Values D, middle grade and inferior grade is only had to be disturbed micro-base station user accounting lower than adjustment thresholding under two kinds of Configuration Values respectively, and the accounting of the accounting of Configuration Values B middle grade user and Configuration Values D inferior grade user is consistent close to adjustment thresholding degree, then getting signal difference under two kinds of Configuration Values is optimum lower than the value that the macrocell user number of interference threshold is minimum.
305, transmitting power current for described micro-base station is adjusted to fixed supposition power configuration value.
The embodiment of the present invention additionally provides the device of a kind of power adjustment, and in order to realize preceding method flow process, its structure as shown in Figure 4, comprising:
Acquiring unit 41, for obtaining the serving macro-cell corresponding with micro-base station.
Statistic unit 42, for adding up the Microcell of different brackets user feedback and the first signal strength difference of described serving macro-cell under described micro-base station service.
Computing unit 43, for calculating in all users under first object user owning user grade, the accounting value of described first object user, described first object user is the micro-base station user of the first signal strength difference lower than interference threshold.
Adjustment unit 44, for when described accounting value is higher than adjustment thresholding, adjustment transmitting power.
Optionally, as shown in Figure 5, described acquiring unit 41 comprises:
Acquisition module 411, for obtaining the measurement report of mobile subscriber's feedback of own services, described measurement report comprises Microcell signal strength signal intensity and neighboring area signal intensity.
First determination module 412, for being defined as the potential serving macro-cell of described micro-base station more than the adjacent area of the first predetermined threshold value by total Times of Feedback accounting value.
Second determination module 413, for in the measurement report that described potential serving macro-cell is corresponding, by described Microcell signal strength signal intensity higher than the second predetermined threshold value and neighboring area signal intensity more than the 3rd predetermined threshold value measurement report corresponding to potential serving macro-cell be defined as the serving macro-cell corresponding with described micro-base station.
Optionally, as shown in Figure 6, described adjustment unit 44 comprises:
3rd determination module 441, for the maximum transmission power according to described micro-base station, determine several supposition power configuration values, described supposition power configuration value is not more than described maximum transmission power.
First computing module 442, when to be configured to different supposition power configuration values in described micro-base station for calculating respectively, the secondary signal strength difference of Microcell and described serving macro-cell under each user gradation.
Second computing module 443, for the secondary signal strength difference corresponding according to different user grade, calculate the accounting value of the second targeted customer described in all users of each user gradation respectively, described second targeted customer is the micro-base station user of secondary signal strength difference lower than interference threshold.
4th determination module 444, for the accounting value according to the second targeted customer described in all users of each user gradation, determines a supposition power configuration value.
Adjusting module 445, for being adjusted to fixed supposition power configuration value by transmitting power current for described micro-base station.
The device of a kind of power adjustment that the embodiment of the present invention provides, first determine to need micro-base station to carry out load balancing, and at the higher macro base station of region memory in Microcell of its signal strength signal intensity, to make micro-base station can effectively for these macro base stations provide load balancing service, be unlikely to the signal strength signal intensity affecting macro base station simultaneously, then determine the current quantity being disturbed user in micro-base station by accounting value, if quantity is higher, adjust the transmitting power of micro-base station, to ensure the service to micro-base station user.Determine base station power compared to prior art by arranging unified SINR value, the embodiment of the present invention more can complete in conjunction with actual conditions and adjust the power of micro-base station.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add required common hardware by software and realize, and can certainly pass through hardware, but in a lot of situation, the former is better execution mode.Based on such understanding, technical scheme of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product is stored in the storage medium that can read, as the floppy disk of computer, hard disk or CD etc., comprise some instructions and perform method described in each embodiment of the present invention in order to make a computer equipment (can be personal computer, server, or the network equipment etc.).
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of described claim.
Claims (6)
1. a method for power adjustment, is characterized in that, comprising:
Micro-base station obtains the serving macro-cell corresponding with described micro-base station;
Described micro-base station statistics Microcell of different brackets user feedback and first signal strength difference of described serving macro-cell under described micro-base station service;
Described micro-base station calculates in all users under first object user owning user grade, the accounting value of described first object user, and described first object user is the micro-base station user of the first signal strength difference lower than interference threshold;
When described accounting value is higher than adjustment thresholding, described micro-base station adjustment transmitting power.
2. method according to claim 1, is characterized in that, described micro-base station obtains the serving macro-cell corresponding with described micro-base station and comprises:
Described micro-base station obtains the measurement report of mobile subscriber's feedback of own services, and described measurement report comprises Microcell signal strength signal intensity and neighboring area signal intensity;
Total Times of Feedback accounting value is defined as the potential serving macro-cell of described micro-base station by described micro-base station more than the adjacent area of the first predetermined threshold value;
In the measurement report that described potential serving macro-cell is corresponding, by described Microcell signal strength signal intensity higher than the second predetermined threshold value and neighboring area signal intensity more than the 3rd predetermined threshold value measurement report corresponding to potential serving macro-cell be defined as the serving macro-cell corresponding with described micro-base station.
3. method according to claim 2, is characterized in that, described micro-base station adjustment transmitting power comprises:
Described micro-base station is according to the maximum transmission power of described micro-base station, and determine several supposition power configuration values, described supposition power configuration value is not more than described maximum transmission power;
When described micro-base station calculates respectively and to be configured to different supposition power configuration values in described micro-base station, the secondary signal strength difference of Microcell and described serving macro-cell under each user gradation;
The secondary signal strength difference that described micro-base station is corresponding according to different user grade, calculate the accounting value of the second targeted customer described in all users of each user gradation respectively, described second targeted customer is the micro-base station user of secondary signal strength difference lower than interference threshold;
A supposition power configuration value, according to the accounting value of the second targeted customer described in all users of each user gradation, is determined in described micro-base station;
Transmitting power current for described micro-base station is adjusted to fixed supposition power configuration value by described micro-base station.
4. a device for power adjustment, is characterized in that, comprising:
Acquiring unit, for obtaining the serving macro-cell corresponding with micro-base station;
Statistic unit, for adding up the Microcell of different brackets user feedback and the first signal strength difference of described serving macro-cell under described micro-base station service;
Computing unit, for calculating in all users under first object user owning user grade, the accounting value of described first object user, described first object user is the micro-base station user of the first signal strength difference lower than interference threshold;
Adjustment unit, for when described accounting value is higher than adjustment thresholding, adjustment transmitting power.
5. device according to claim 4, is characterized in that, described acquiring unit comprises:
Acquisition module, for obtaining the measurement report of mobile subscriber's feedback of own services, described measurement report comprises Microcell signal strength signal intensity and neighboring area signal intensity;
First determination module, for being defined as the potential serving macro-cell of described micro-base station more than the adjacent area of the first predetermined threshold value by total Times of Feedback accounting value;
Second determination module, for in the measurement report that described potential serving macro-cell is corresponding, by described Microcell signal strength signal intensity higher than the second predetermined threshold value and neighboring area signal intensity more than the 3rd predetermined threshold value measurement report corresponding to potential serving macro-cell be defined as the serving macro-cell corresponding with described micro-base station.
6. device according to claim 5, is characterized in that, described adjustment unit comprises:
3rd determination module, for the maximum transmission power according to described micro-base station, determine several supposition power configuration values, described supposition power configuration value is not more than described maximum transmission power;
First computing module, when to be configured to different supposition power configuration values in described micro-base station for calculating respectively, the secondary signal strength difference of Microcell and described serving macro-cell under each user gradation;
Second computing module, for the secondary signal strength difference corresponding according to different user grade, calculate the accounting value of the second targeted customer described in all users of each user gradation respectively, described second targeted customer is the micro-base station user of secondary signal strength difference lower than interference threshold;
4th determination module, for the accounting value according to the second targeted customer described in all users of each user gradation, determines a supposition power configuration value;
Adjusting module, for being adjusted to fixed supposition power configuration value by transmitting power current for described micro-base station.
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