CN102118751A - Carrier frequency distributing method and device - Google Patents
Carrier frequency distributing method and device Download PDFInfo
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- CN102118751A CN102118751A CN2011100210097A CN201110021009A CN102118751A CN 102118751 A CN102118751 A CN 102118751A CN 2011100210097 A CN2011100210097 A CN 2011100210097A CN 201110021009 A CN201110021009 A CN 201110021009A CN 102118751 A CN102118751 A CN 102118751A
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Abstract
The invention provides a carrier frequency distributing method which comprises the steps of: obtaining pilot frequency strength reported when a user is accessed, comparing the pilot frequency strength with a preset pilot strength threshold when the user is accessed with carrier frequencies, and distributing carrier frequencies for the user according to the comparison result. The invention also provides a carrier frequency distributing device which comprises a pilot frequency strength obtaining unit and a pilot frequency distributing unit which are connected, wherein the pilot frequency strength obtaining unit is used for obtaining the pilot frequency strength reported when the user is accessed; and the pilot frequency distributing unit is used for comparing the pilot frequency strength with the preset pilot strength threshold when the user is accessed with carrier frequencies and distributing carrier frequencies according to the comparison result. The invention ensures that a system can distribute a carrier frequency with relatively better signal quality under a condition of balanced carrier frequency load so as to guarantee service quality for the user.
Description
Technical field
The present invention relates to communication technique field, more specifically, relate to carrier distribution method and device in the wireless network hot spot region.
Background technology
At CDMA (Code Division Multiple Access, code division multiple access) in the wireless network, general all can have the whole network that covers All Ranges to cover carrier frequency, more concentrated in the part hot spot region owing to the user, also need to increase the carrier frequency that focus covers, to enlarge the network capacity of hot spot region, promote user experience.Such as at room areas such as office building, markets, the user is more, and operator tends to cover the focus carrier frequency in indoor increase.Be positioned at hot spot region and the sub-district adjacent with non-hot spot region, it is good that the signal quality that covers carrier frequency at cell edge place focus tends to cover carrier frequency than the whole network.Such as covering the indoor cell of carrier frequency near position of window having increased focus, indoor the whole network covers carrier frequency owing to be subjected to outdoor with the interference of carrier frequency frequently, signal quality is relatively poor relatively, and indoor focus covers carrier frequency because there do not have to be outdoor with the interference of carrier frequency frequently, and signal quality is better relatively.Therefore, use focus covering carrier frequency to provide service to guarantee service quality preferably, promote user's impression to the full extent as the user of window area.
The carrier distribution method of existing system more is to consider the load balancing between carrier frequency and the success rate of call setup, like this under the scene that some focuses cover, such as the window area that covers at indoor focus, system is assigned to the user the relatively poor the whole network of signal quality probably and covers carrier frequency, rather than the better quality of signal focus covers carrier frequency, this moment, quality of services for users can not well be guaranteed, had reduced user's impression.Therefore, present carrier distribution method can not satisfy the needs under the part focus covering scene.
Summary of the invention
In order to address the above problem, the invention provides a kind of carrier distribution method, comprising:
Obtaining the pilot frequency intensity that reports when the user inserts, the default pilot frequency intensity thresholding of described pilot frequency intensity and described user's access carrier is compared, is that described user distributes carrier frequency according to comparative result.
Further, said method also can have following characteristics, and described is that described user distributes carrier frequency to comprise according to comparative result:
When described pilot frequency intensity during, cover from the focus that meets distributive condition and to select carrier frequency distribution to give described user the carrier frequency smaller or equal to the default pilot frequency intensity thresholding of described user's access carrier.
Further, said method also can have following characteristics, and described is that described user distributes carrier frequency to comprise according to comparative result:
When described pilot frequency intensity smaller or equal to described pilot frequency intensity thresholding, and when not existing the focus that meets distributive condition to cover carrier frequency, cover from the whole network that meets distributive condition and to select carrier frequency distribution to give described user the carrier frequency.
Further, said method also can have following characteristics, and further, said method also can have following characteristics, and described is that described user distributes carrier frequency to comprise according to comparative result:
When described pilot frequency intensity during, cover from the whole network that meets distributive condition and to select carrier frequency distribution to give described user the carrier frequency greater than described pilot frequency intensity thresholding.
Further, said method also can have following characteristics, and described is that described user distributes carrier frequency to comprise according to comparative result:
When described pilot frequency intensity greater than described pilot frequency intensity thresholding, and when not existing the whole network that meets distributive condition to cover carrier frequency, cover from the focus that meets distributive condition and to select carrier frequency distribution to give described user the carrier frequency.
Further, said method also can have following characteristics, describedly covers carrier frequency or the whole network from the focus that meets distributive condition and covers and select carrier frequency to be meant the carrier frequency: cover carrier frequency or the whole network according to default carrier frequency distribution strategy from the focus that meets distributive condition and cover the carrier frequency and select carrier frequency.
The present invention also provides a kind of carrier frequency distribution device, comprises continuous pilot frequency intensity acquiring unit and pilot frequency distribution unit, wherein:
Described pilot frequency intensity acquiring unit is used for: obtain the pilot frequency intensity that reports when the user inserts;
Described pilot frequency distribution unit is used for: the default pilot frequency intensity thresholding of described pilot frequency intensity and described user's access carrier is compared, and is that described user distributes carrier frequency according to comparative result.
Further, said apparatus also can have following characteristics, described pilot frequency distribution unit is to be used for: when described pilot frequency intensity during smaller or equal to the default pilot frequency intensity thresholding of described user's access carrier, cover from the focus that meets distributive condition and to select carrier frequency distribution to give described user the carrier frequency;
When described pilot frequency intensity smaller or equal to described pilot frequency intensity thresholding, and when not existing the focus that meets distributive condition to cover carrier frequency, cover from the whole network that meets distributive condition and to select carrier frequency distribution to give described user the carrier frequency.
Further, said apparatus also can have following characteristics, and described pilot frequency distribution unit is to be used for: when described pilot frequency intensity during greater than described pilot frequency intensity thresholding, cover from the whole network that meets distributive condition and to select carrier frequency distribution to give described user the carrier frequency; When described pilot frequency intensity greater than described pilot frequency intensity thresholding, and when not existing the whole network that meets distributive condition to cover carrier frequency, cover from the focus that meets distributive condition and to select carrier frequency distribution to give described user the carrier frequency.
Further, said apparatus also can have following characteristics, and described pilot frequency distribution unit is to be used for: select carrier frequency according to default carrier frequency distribution strategy from the focus covering carrier frequency or the whole network covering carrier frequency that meet distributive condition.
By method of the present invention, system can be on the basis of guaranteeing carrier frequency load balancing, characteristic distributions according to each carrier frequency pilot frequency intensity of Hot Spot, user to cell edge and center of housing estate place adopts no carrier frequency distribution strategy, carrier frequency resource is reasonably and effectively used, promotes user's experience to the full extent.The present invention makes the system can be for the user distributes signal quality carrier frequency relatively preferably under the condition that satisfies carrier frequency load balancing, to guarantee quality of services for users.
Description of drawings
Fig. 1 is the flow chart of carrier distribution method embodiment of the present invention;
Fig. 2 is the pilot frequency intensity of a carrier distribution method embodiment reporting of user of the present invention flow chart during smaller or equal to the pilot frequency intensity thresholding;
Fig. 3 is the pilot frequency intensity of a carrier distribution method embodiment reporting of user of the present invention flow chart during greater than the pilot frequency intensity thresholding;
Fig. 4 is the carrier frequency distribution schematic diagram under the indoor focus covering scene of the present invention;
Fig. 5 is the block diagram of carrier frequency distribution device embodiment of the present invention.
Embodiment
Carrier distribution method provided by the invention relates to the configuration that carrier frequency covers attribute and pilot frequency intensity thresholding, wherein, carrier frequency covers attribute, and to be used for identifying carrier frequency be that focus covers carrier frequency or the whole network covers carrier frequency, the power of CF signal when the pilot frequency intensity thresholding is used for weighing the user and inserts.This carrier distribution method specifically comprises:
Obtain the pilot frequency intensity that reports when the user inserts;
The default pilot frequency intensity thresholding of described pilot frequency intensity and described user's access carrier is compared, and is that described user distributes carrier frequency according to comparative result.
Wherein, be that described user distributes carrier frequency to comprise according to comparative result:
If the pilot frequency intensity of reporting of user is smaller or equal to the default pilot frequency intensity thresholding of described user's access carrier, then covering from the focus that meets distributive condition according to the carrier frequency distribution strategy selects carrier frequency distribution to give described user the carrier frequency, the focus that if there is no meets distributive condition covers carrier frequency, then covers from the whole network that meets distributive condition according to the carrier frequency distribution strategy and selects carrier frequency distribution to give described user the carrier frequency;
If the pilot frequency intensity of reporting of user is greater than the default pilot frequency intensity thresholding of described user's access carrier, then covering from the whole network that meets distributive condition according to the carrier frequency distribution strategy selects carrier frequency distribution to give described user the carrier frequency, the whole network that if there is no meets distributive condition covers carrier frequency, then covers from the focus that meets distributive condition according to the carrier frequency distribution strategy and selects carrier frequency distribution to give described user the carrier frequency.
Describedly satisfy distributive condition and comprise: the carrier frequency operating state is normal, load is no more than preset range.The present invention does not limit this, can set as required.
Described carrier frequency distribution strategy comprises one of following or its combination: load sharing principle, the carrier frequency that distributes particular frequency carrier, priority distribution system to recommend according to user gradation.The present invention does not limit this, can set as required.
The pilot frequency intensity thresholding need be provided with according to situations such as the network coverage of reality, wireless environment, user distributions.Usually, focus covers the pilot frequency intensity thresholding of the pilot frequency intensity thresholding of carrier frequency greater than the whole network covering carrier frequency.
Below in conjunction with accompanying drawing, technology implementation scheme of the present invention is further described.
Fig. 1 is the flow chart of carrier distribution method embodiment of the present invention, comprising:
Step 101: check the pilot frequency intensity that the user reports when inserting, if this pilot frequency intensity then enters step 102, otherwise enters step 103 smaller or equal to the default pilot frequency intensity thresholding of described user's access carrier;
Step 102: preferentially select focus to cover carrier frequency distribution, next selects the whole network to cover carrier frequency distribution, and concrete steps are elaborated in conjunction with Fig. 2 below, and the carrier frequency distribution process finishes;
Step 103: preferentially select the whole network to cover carrier frequency distribution, next selects focus to cover carrier frequency distribution, and concrete steps are elaborated in conjunction with Fig. 3 below, and the carrier frequency distribution process finishes.
Fig. 2 is flow chart during smaller or equal to the pilot frequency intensity thresholding for the pilot frequency intensity of carrier distribution method embodiment reporting of user of the present invention, corresponding to the step 102 of Fig. 1.May further comprise the steps:
Step 201: obtain all focuses that meet distributive condition and cover carrier frequency, generation can distribute focus to cover the carrier frequency collection;
The described distributive condition that meets comprises that the carrier frequency operating state is normal, load is no more than preset range, also other distributive conditions can be set as required.
Step 202: whether inspection can distribute focus to cover the carrier frequency collection is empty, if for sky then enter step 203, otherwise enters step 204;
Step 203: distributing focus covering carrier frequency to concentrate, select a carrier frequency distribution according to load sharing or other principle, carrier frequency distribution finishes;
Described load sharing principle comprises the load condition of taking all factors into consideration each carrier frequency when distributing carrier frequency, the preferential the lightest carrier frequency distribution of load of selecting, other principle is meant except that the load sharing principle other carrier frequency distribution strategy, such as pressing the carrier frequency that user gradation distributes particular frequency carrier, priority distribution system to recommend, can set as required.
Step 204: obtain all the whole networks that meet distributive condition and cover carrier frequency, generation can distribute the whole network to cover the carrier frequency collection;
Step 205: whether inspection can distribute the whole network to cover the carrier frequency collection is empty, if for sky then enter step 206, otherwise enters step 207;
Step 206: distributing the whole network covering carrier frequency to concentrate, select a carrier frequency distribution according to load sharing or other principle, carrier frequency distribution finishes;
Described load sharing principle comprises the load condition of taking all factors into consideration each carrier frequency when distributing carrier frequency, the preferential the lightest carrier frequency distribution of load of selecting, other principle is meant except that the load sharing principle other carrier frequency distribution strategy, such as pressing the carrier frequency that user gradation distributes particular frequency carrier, priority distribution system to recommend, can set as required.
Step 207: carrier frequency distribution failure.
Fig. 3 is flow chart during greater than the pilot frequency intensity thresholding for the pilot frequency intensity of carrier distribution method embodiment reporting of user of the present invention, corresponding to the step 103 of Fig. 1.May further comprise the steps:
Step 301: obtain all the whole networks that meet distributive condition and cover carrier frequency, generation can distribute the whole network to cover the carrier frequency collection;
The described distributive condition that meets comprises that the carrier frequency operating state is normal, load is no more than preset range, also other distributive conditions can be set as required.
Step 302: whether inspection can distribute the whole network to cover the carrier frequency collection is empty, if for sky then enter step 303, otherwise enters step 304;
Step 303: distributing the whole network covering carrier frequency to concentrate, select a carrier frequency distribution according to load sharing or other principle, carrier frequency distribution finishes;
Described load sharing principle comprises the load condition of taking all factors into consideration each carrier frequency when distributing carrier frequency, the preferential the lightest carrier frequency distribution of load of selecting, other principle is meant except that the load sharing principle other carrier frequency distribution strategy, such as pressing the carrier frequency that user gradation distributes particular frequency carrier, priority distribution system to recommend, can set as required.
Step 304: obtain all focuses that meet distributive condition and cover carrier frequency, generation can distribute focus to cover the carrier frequency collection;
Step 305: whether inspection can distribute focus to cover the carrier frequency collection is empty, if for sky then enter step 306, otherwise enters step 307;
Step 306: distributing focus covering carrier frequency to concentrate, select a carrier frequency distribution according to load sharing or other principle, carrier frequency distribution finishes;
Described load sharing principle comprises the load condition of taking all factors into consideration each carrier frequency when distributing carrier frequency, the preferential the lightest carrier frequency distribution of load of selecting, other principle is meant except that the load sharing principle other carrier frequency distribution strategy, such as pressing the carrier frequency that user gradation distributes particular frequency carrier, priority distribution system to recommend, can set as required.
Step 307: carrier frequency distribution failure.
Further specify the principle of this carrier distribution method below by the scene of an indoor focus covering.
As shown in Figure 4, indoor cell has disposed two carrier frequency, f1 and outdoor carrier frequency on-channel, in the interference that is subjected to outdoor f1 near window area, signal quality is relatively poor, and f2 is the carrier frequency that indoor focus covers, because do not have with the interference of carrier frequency frequently, its coverage may extend to outdoor.
In general, far away more from indoor base station, the pilot frequency intensity of carrier frequency is low more.The oblique line of f1, f2 partly is the zone of pilot frequency intensity smaller or equal to the pilot frequency intensity thresholding of f1, the i.e. relatively poor zone of signal quality among Fig. 4; Grid partly is the zone of pilot frequency intensity greater than the pilot frequency intensity thresholding of f1, i.e. better quality of signal zone.Because f2 is not subjected to the interference of outdoor signal, and is still better at its signal quality of window area; Horizontal line partly is the zone of pilot frequency intensity greater than the pilot frequency intensity thresholding of f2, and promptly signal quality is well regional.This zone is relatively near indoor base station, and is far away from window, is subjected to the interference of outdoor signal less, and the signal quality of f1 is also fine.
For AT (Access Terminal, access terminal) cover the situation that carrier frequency inserts from indoor the whole network, as shown in Figure 4, after AT1 inserts from the grid zone of f1, as long as f1 satisfies distributive condition, not heavy such as load, system can preferential select the whole network to cover carrier frequency f1 to distribute, after AT2 inserts from the hatched example areas of f1, as long as f2 satisfies distributive condition, heavy such as load, the preferential selection of system's meeting focus covers carrier frequency f2 and distributes.
Cover the situation that carrier frequency inserts for AT from indoor focus, as shown in Figure 4, after AT3 inserts from the grid zone of f2, as long as f2 satisfies distributive condition, do not weigh such as load, system can preferentially select focus to cover carrier frequency f2 distribution, after AT4 inserts from the horizontal line zone of f2, as long as f1 satisfies distributive condition, do not weigh such as load, system can preferentially select the whole network to cover carrier frequency f1 distribution.
Such carrier frequency distribution strategy can make the user from window (signal quality of f1 and f2 is all better) far away can take f1 as far as possible, and the resource of f2 is more kept for user near window (signal quality of f2 is better, the signal quality of f1 relatively poor).
The present invention also provides a kind of carrier frequency distribution device, as shown in Figure 5, comprising:
The pilot frequency intensity acquiring unit is used to obtain the pilot frequency intensity that reports when the user inserts;
The pilot frequency distribution unit links to each other with described pilot frequency intensity acquiring unit, is used for the default pilot frequency intensity thresholding of described pilot frequency intensity and described user's access carrier is compared, and be that described user distributes carrier frequency according to comparative result.
The pilot frequency distribution unit is to be used for: when described pilot frequency intensity during smaller or equal to the default pilot frequency intensity thresholding of described user's access carrier, cover from the focus that meets distributive condition and to select carrier frequency distribution to give described user the carrier frequency; When described pilot frequency intensity smaller or equal to described pilot frequency intensity thresholding, and when not existing the focus that meets distributive condition to cover carrier frequency, cover from the whole network that meets distributive condition and to select carrier frequency distribution to give described user the carrier frequency; When described pilot frequency intensity during, cover from the whole network that meets distributive condition and to select carrier frequency distribution to give described user the carrier frequency greater than described pilot frequency intensity thresholding; When described pilot frequency intensity greater than described pilot frequency intensity thresholding, and when not existing the whole network that meets distributive condition to cover carrier frequency, cover from the focus that meets distributive condition and to select carrier frequency distribution to give described user the carrier frequency.
Wherein, described pilot frequency distribution unit is to be used for: cover carrier frequency or the whole network according to default carrier frequency distribution strategy from the focus that meets distributive condition and cover carrier frequency and select carrier frequency.
The present invention can be on the basis of guaranteeing carrier frequency load balancing, characteristic distributions according to each carrier frequency pilot frequency intensity of Hot Spot, cell edge is adopted different carrier frequency distribution strategies with the user at center of housing estate place, carrier frequency resource is reasonably and effectively used, promotes user's experience to the full extent.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
Claims (10)
1. a carrier distribution method is characterized in that, comprising:
Obtaining the pilot frequency intensity that reports when the user inserts, the default pilot frequency intensity thresholding of described pilot frequency intensity and described user's access carrier is compared, is that described user distributes carrier frequency according to comparative result.
2. the method for claim 1 is characterized in that, described is that described user distributes carrier frequency to comprise according to comparative result:
When described pilot frequency intensity during, cover from the focus that meets distributive condition and to select carrier frequency distribution to give described user the carrier frequency smaller or equal to the default pilot frequency intensity thresholding of described user's access carrier.
3. the method for claim 1 is characterized in that, described is that described user distributes carrier frequency to comprise according to comparative result:
When described pilot frequency intensity smaller or equal to described pilot frequency intensity thresholding, and when not existing the focus that meets distributive condition to cover carrier frequency, cover from the whole network that meets distributive condition and to select carrier frequency distribution to give described user the carrier frequency.
4. the method for claim 1 is characterized in that, described is that described user distributes carrier frequency to comprise according to comparative result:
When described pilot frequency intensity during, cover from the whole network that meets distributive condition and to select carrier frequency distribution to give described user the carrier frequency greater than described pilot frequency intensity thresholding.
5. the method for claim 1 is characterized in that, described is that described user distributes carrier frequency to comprise according to comparative result:
When described pilot frequency intensity greater than described pilot frequency intensity thresholding, and when not existing the whole network that meets distributive condition to cover carrier frequency, cover from the focus that meets distributive condition and to select carrier frequency distribution to give described user the carrier frequency.
6. as the arbitrary described method of claim 1 to 5, it is characterized in that, describedly cover carrier frequency or the whole network from the focus that meets distributive condition and cover and select carrier frequency to be meant the carrier frequency: cover carrier frequency or the whole network according to default carrier frequency distribution strategy from the focus that meets distributive condition and cover the carrier frequency and select carrier frequency.
7. a carrier frequency distribution device is characterized in that, comprises continuous pilot frequency intensity acquiring unit and pilot frequency distribution unit, wherein:
Described pilot frequency intensity acquiring unit is used for: obtain the pilot frequency intensity that reports when the user inserts;
Described pilot frequency distribution unit is used for: the default pilot frequency intensity thresholding of described pilot frequency intensity and described user's access carrier is compared, and is that described user distributes carrier frequency according to comparative result.
8. device as claimed in claim 7 is characterized in that,
Described pilot frequency distribution unit is to be used for: when described pilot frequency intensity during smaller or equal to the default pilot frequency intensity thresholding of described user's access carrier, cover from the focus that meets distributive condition and to select carrier frequency distribution to give described user the carrier frequency;
When described pilot frequency intensity smaller or equal to described pilot frequency intensity thresholding, and when not existing the focus that meets distributive condition to cover carrier frequency, cover from the whole network that meets distributive condition and to select carrier frequency distribution to give described user the carrier frequency.
9. device as claimed in claim 7 is characterized in that,
Described pilot frequency distribution unit is to be used for: when described pilot frequency intensity during greater than described pilot frequency intensity thresholding, cover from the whole network that meets distributive condition and to select carrier frequency distribution to give described user the carrier frequency; When described pilot frequency intensity greater than described pilot frequency intensity thresholding, and when not existing the whole network that meets distributive condition to cover carrier frequency, cover from the focus that meets distributive condition and to select carrier frequency distribution to give described user the carrier frequency.
10. as the arbitrary described device of claim 7 to 9, it is characterized in that described pilot frequency distribution unit is to be used for: select carrier frequency from the focus covering carrier frequency or the whole network covering carrier frequency that meet distributive condition according to default carrier frequency distribution strategy.
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| CN2011100210097A CN102118751A (en) | 2011-01-18 | 2011-01-18 | Carrier frequency distributing method and device |
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| CN2011100210097A CN102118751A (en) | 2011-01-18 | 2011-01-18 | Carrier frequency distributing method and device |
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Cited By (1)
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Application publication date: 20110706 |