CN101494827B - Method and apparatus for carrier frequency selection - Google Patents
Method and apparatus for carrier frequency selection Download PDFInfo
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- CN101494827B CN101494827B CN2009100062187A CN200910006218A CN101494827B CN 101494827 B CN101494827 B CN 101494827B CN 2009100062187 A CN2009100062187 A CN 2009100062187A CN 200910006218 A CN200910006218 A CN 200910006218A CN 101494827 B CN101494827 B CN 101494827B
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Abstract
The invention discloses a carrier frequency selection method and device thereof. The method comprises: setting carrier frequency property which includes cluster optimal carrier frequency and non cluster optimal carrier frequency; setting predetermined carrier frequency distribution strategy respectively to cluster service and non cluster service; and selecting carrier frequency according to the carrier frequency property and predetermined carrier frequency distribution strategy in cluster service or non cluster service. By the above technical scheme, the invention can distribute different carrier frequency to the cluster service and non cluster service optimally, and control the mutual influence degree of the cluster service and non cluster service flexibly by setting the carrier frequency distribution strategy.
Description
Technical field
The present invention relates to the communications field, and especially, relate to a kind of carrier frequency selecting method and device.
Background technology
At present, in the common network cluster, because group service and non cluster service and deposit, therefore, each carrier frequency is that group service and non cluster service are shared and used.The basic principle of existing carrier frequency selection mode is to select the lighter carrier frequency of load according to the load condition of each carrier frequency, in addition, selects carrier frequency to need also to consider whether this carrier frequency is preferred access carrier.
In correlation technique, because terminal is according to custom IC (International Mobile Subscriber Identification Number when Idle state, abbreviate IMSI as) use hash (HASH) algorithm to select the standby carrier frequency (promptly, call out the access carrier that inserts attitude), so, based on present carrier frequency selection algorithm, group service and non cluster service are put on an equal footing, according to the principle of load sharing and preferred access carrier, this business of two types may be assigned on any one carrier frequency.
In the zone that the crowd is dense, because speech business occupies larger specific gravity, each carrier frequency load may all can be very high, therefore, may influence the speech quality of group service, even can't set up trunked call because of the carrier frequency overload.And group service is to the exigent business of real-time, if call setup failure or some regional channel are set up failure, will cause this regional cluster service-user can not receive dispatch command.
In addition, because group service mainly is a group-calling service, its user is more, it is more relatively to take Radio Resource, if there are a large amount of trunked calls in some zone simultaneously certain section time the inside, then voice or data service meeting are produced considerable influence, thereby cause a large amount of audio call failures.Therefore, be badly in need of at present a kind ofly can guaranteeing cluster user and the non-cluster user technical scheme selected of the carrier frequency of service quality separately.
Summary of the invention
Consider carrier frequency selection mode in the correlation technique can not guarantee cluster user and non-cluster user separately service quality problem and the present invention is proposed, for this reason, main purpose of the present invention is to provide a kind of improved carrier frequency selection scheme, to solve the problems referred to above of existing in the correlation technique one of at least.
To achieve these goals, according to an aspect of the present invention, provide a kind of carrier frequency selecting method.
Carrier frequency selecting method according to the present invention comprises: the carrier frequency attribute is set, and wherein, the carrier frequency attribute comprises: preferred carrier frequency of cluster and the preferred carrier frequency of non-cluster; Group service and non cluster service are provided with the predetermined carrier frequency allocation strategy respectively; When carrying out group service or non cluster service, carry out the carrier frequency selection according to carrier frequency attribute and predetermined carrier frequency allocation strategy; Wherein, the predetermined carrier frequency allocation strategy comprises: fixed form, group service can only be distributed the preferred carrier frequency of cluster, and non cluster service can only distribute the preferred carrier frequency of non-cluster; Optimal way, the preferred carrier frequency of group service priority allocation cluster if the preferred carrier frequency of cluster is unavailable, then distributes the preferred carrier frequency of non-cluster; The preferred carrier frequency of the non-cluster of non cluster service priority allocation, the preferred carrier frequency of non-cluster is unavailable, then distributes the preferred carrier frequency of cluster; Free way, group service and the preferred carrier frequency of any cluster of non cluster service priority allocation and the preferred carrier frequency of non-cluster.
Wherein, the processing carrier frequency selected according to carrier frequency attribute and predetermined carrier frequency allocation strategy of group service and non cluster service comprises: non cluster service and group service obtain predetermined carrier frequency allocation strategy and carrier frequency attribute; Group service and non cluster service are judging that the predetermined carrier frequency allocation strategy is under the situation of free way, carry out carrier frequency according to the carrier frequency attribute in preferred carrier frequency of all clusters and the preferred carrier frequency of non-cluster and select; Non cluster service and group service are judging that the predetermined carrier frequency allocation strategy is under the situation of fixed form, group service carries out carrier frequency according to the carrier frequency attribute in the preferred carrier frequency of cluster selects, and non cluster service carries out carrier frequency according to the carrier frequency attribute and selects in the preferred carrier frequency of non-cluster; Group service and non cluster service are judging that the predetermined carrier frequency allocation strategy is under the situation of optimal way, group service is at first selected in the preferred carrier frequency of cluster according to the carrier frequency attribute, if the preferred carrier frequency of cluster is unavailable, then in the preferred carrier frequency of non-cluster, carries out carrier frequency and select according to the carrier frequency attribute; Non cluster service is at first selected in the preferred carrier frequency of non-cluster according to the carrier frequency attribute, if the preferred carrier frequency of non-cluster is unavailable, then carries out carrier frequency according to the carrier frequency attribute in the preferred carrier frequency of cluster and selects.
To achieve these goals, according to a further aspect in the invention, provide a kind of carrier frequency choice device.
Carrier frequency choice device according to the present invention comprises: acquisition module, be used to obtain carrier frequency attribute that sets in advance and the predetermined carrier frequency allocation strategy that sets in advance, and wherein, the carrier frequency attribute comprises: preferred carrier frequency of cluster and the preferred carrier frequency of non-cluster; Carrier frequency is selected module, is used for according to the carrier frequency attribute and the predetermined carrier frequency allocation strategy that obtain carrier frequency being selected; Wherein, the predetermined carrier frequency allocation strategy comprises: fixed form, group service can only be distributed the preferred carrier frequency of cluster, and non cluster service can only distribute the preferred carrier frequency of non-cluster; Optimal way, the preferred carrier frequency of group service priority allocation cluster if the preferred carrier frequency of cluster is unavailable, then distributes the preferred carrier frequency of non-cluster; The preferred carrier frequency of the non-cluster of non cluster service priority allocation, the preferred carrier frequency of non-cluster is unavailable, then distributes the preferred carrier frequency of cluster; Free way, group service and the preferred carrier frequency of any cluster of non cluster service priority allocation and the preferred carrier frequency of non-cluster.
Wherein, above-mentioned carrier frequency selects module can further include: determination module is used for determining the predetermined carrier frequency allocation strategy; First selects module, is used for determining that at determination module the predetermined carrier frequency allocation strategy is under the situation of free way, carries out carrier frequency according to the carrier frequency attribute in preferred carrier frequency of all clusters and the preferred carrier frequency of non-cluster and selects; Second selects module, and being used in type of service is that group service and determination module determine that the predetermined carrier frequency allocation strategy is under the situation of fixed form, carries out carrier frequency according to the carrier frequency attribute in the preferred carrier frequency of cluster and selects; The 3rd selects module, and being used in type of service is that non cluster service and determination module determine that the predetermined carrier frequency allocation strategy is under the situation of fixed form, carries out carrier frequency according to the carrier frequency attribute in the preferred carrier frequency of non-cluster and selects; The 4th selects module, being used in type of service is group service, and determination module determines that the predetermined carrier frequency allocation strategy is under the situation of optimal way, at first in the preferred carrier frequency of cluster, select according to the carrier frequency attribute, if the preferred carrier frequency of cluster is unavailable, then in the preferred carrier frequency of non-cluster, carries out carrier frequency and select according to the carrier frequency attribute; The 5th selects module, being used in type of service is non cluster service, and determination module determines that the predetermined carrier frequency allocation strategy is under the situation of optimal way, at first in the preferred carrier frequency of non-cluster, select according to the carrier frequency attribute, if the preferred carrier frequency of non-cluster is unavailable, then in the preferred carrier frequency of cluster, carries out carrier frequency and select according to the carrier frequency attribute.
By means of technical scheme of the present invention, by increasing the carrier frequency attribute and the carrier frequency distribution strategy being set, can solve that the carrier frequency selection mode can not guarantee cluster user and the non-cluster user problem of service quality separately in the correlation technique, make group service and the non cluster service can the different carrier frequency of priority allocation, and come interactional degree between flexible control sets group business and the non cluster service according to the strategy that carrier frequency distribution is set.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the flow chart according to the carrier frequency selecting method of the embodiment of the invention;
Fig. 2 is a flow chart of selecting carrier frequency according to the group service of the embodiment of the invention;
Fig. 3 is a flow chart of selecting carrier frequency according to the non cluster service of the embodiment of the invention;
Fig. 4 is the block diagram according to the carrier frequency choice device of the embodiment of the invention.
Embodiment
Functional overview
At present, in the correlation technique, because existing carrier frequency selection mode can not guarantee cluster user and non-cluster user service quality separately, for this reason, the invention provides a kind of improved carrier frequency selection scheme, increase a kind of attribute of carrier frequency, all carrier frequency are divided into preferred carrier frequency of cluster and preferred carrier frequency two classes of non-cluster, and be that group service and non cluster service independently are provided with carrier frequency distribution strategy separately, by the professional carrier frequency distribution strategy of cluster (or non-cluster) is set, selection has the carrier frequency of corresponding carrier frequency attribute, thus interactional degree between flexible control sets group business and the non cluster service.
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
In the following description, for the purpose of explaining, a plurality of specific details have been described, to provide to thorough of the present invention.Yet, obviously, do not having can to realize the present invention under the situation of these specific detail yet, in addition, under the situation that does not deviate from the spirit and scope that claims illustrate, among following embodiment and the embodiment each details can be carried out various combinations.
Method embodiment
According to embodiments of the invention, a kind of carrier frequency selecting method is provided, Fig. 1 is the flow chart according to the carrier frequency selecting method of the embodiment of the invention, as shown in Figure 1, comprises following processing (step S102-step S106):
Step S102 is provided with the carrier frequency attribute, particularly, can be set to preferred carrier frequency of cluster or the preferred carrier frequency of non-cluster by the carrier frequency attribute;
Step S104 is provided with the predetermined carrier frequency allocation strategy respectively to group service and non cluster service;
In step S104, the predetermined carrier frequency allocation strategy comprises three kinds of fixed forms, optimal way, free way, and wherein, fixed form is meant that group service can only distribute the preferred carrier frequency of cluster, and non cluster service can only distribute the preferred carrier frequency of non-cluster; Optimal way is meant the preferred carrier frequency of group service priority allocation cluster, if the preferred carrier frequency of cluster is unavailable, then distributes the preferred carrier frequency of non-cluster; The preferred carrier frequency of the non-cluster of non cluster service priority allocation, the preferred carrier frequency of non-cluster is unavailable, then distributes the preferred carrier frequency of cluster; Free way is meant group service and preferred carrier frequency of any cluster of non cluster service priority allocation and the preferred carrier frequency of non-cluster.
As can be seen, the fixed form in the carrier frequency distribution strategy is to other business not influence fully, and free way gives no thought to the influence to other business, and optimal way is a kind of compromise selection mode with respect to fixed form and free way.
Step S106 when carrying out group service or non cluster service, carries out the carrier frequency selection according to carrier frequency attribute and predetermined carrier frequency allocation strategy.
Particularly, in actual applications, group service and non cluster service at first need to obtain predetermined carrier frequency allocation strategy and carrier frequency attribute; After obtaining above-mentioned information, group service and non cluster service need be judged the predetermined carrier frequency allocation strategy, judge that at group service and non cluster service the predetermined carrier frequency allocation strategy is under the situation of free way, group service and non cluster service carry out carrier frequency according to the carrier frequency attribute and select in preferred carrier frequency of all clusters and the preferred carrier frequency of non-cluster; Judge that at group service and non cluster service the predetermined carrier frequency allocation strategy is under the situation of fixed form, group service need carry out carrier frequency according to the carrier frequency attribute in the preferred carrier frequency of cluster selects, and non cluster service need carry out carrier frequency according to the carrier frequency attribute and select in the preferred carrier frequency of non-cluster; Judge that at group service and non cluster service the predetermined carrier frequency allocation strategy is under the situation of optimal way, group service need at first be selected in the preferred carrier frequency of cluster according to the carrier frequency attribute, if the preferred carrier frequency of cluster is unavailable, then in the preferred carrier frequency of non-cluster, carries out carrier frequency and select according to the carrier frequency attribute; In these cases, non cluster service need at first be selected in the preferred carrier frequency of non-cluster according to the carrier frequency attribute, if the preferred carrier frequency of non-cluster is unavailable, then carries out carrier frequency according to the carrier frequency attribute in the preferred carrier frequency of cluster and selects.
Below, in conjunction with example technique scheme is illustrated.
Example 1 is an example with the group service, and the processing procedure of technique scheme is described.
Fig. 2 is a flow chart of selecting carrier frequency according to the group service of the embodiment of the invention, as shown in Figure 2, comprises following processing:
Step 1, terminal are carried out trunked call and are inserted;
The value of the group service carrier frequency selection mode parameter (above-mentioned predetermined carrier frequency allocation strategy) of system configuration is obtained and determined to step 2, terminal;
Step 3, whether terminal judges group service carrier frequency selection mode is the free method of salary distribution;
Step 4 if terminal judges group service carrier frequency selection mode is the free method of salary distribution, is then selected available carrier frequency in all carrier frequency;
Step 5, the result that system is selected according to terminal carrier frequency in the step 4 returns available carrier frequencies; If there is not available carrier frequencies, then carrier frequency is selected failure, and this trunked call carrier frequency is selected to finish;
Step 6, under non-free method of salary distribution situation, system is divided into cluster carrier frequency (the preferred carrier frequency of above-mentioned cluster) and two carrier frequency set of voice carrier frequency (the preferred carrier frequency of above-mentioned non-cluster) with all carrier frequency according to the type of carrier frequency;
Step 7 if the free method of salary distribution of terminal judges group service carrier frequency selection mode right and wrong is then carried out carrier frequency and selected in the set of cluster carrier frequency, is selected available carrier frequency;
Step 8, whether terminal judges group service carrier frequency selection mode is the fixed allocation mode;
Step 9, if terminal judges carrier frequency selection mode is a fixed allocation mode situation, then system returns available carrier frequencies according to the carrier frequency selection result in the step 7; If there is not available carrier frequencies, then carrier frequency is selected failure, and this trunked call carrier frequency is selected to finish;
Step 10, if terminal judges carrier frequency selection mode is the preferred allocation mode, then at first in the determining step 7 the carrier frequency selection result whether available carrier frequency is arranged;
Step 11 is that available carrier frequency is arranged if determine the carrier frequency selection result, and carrier frequency selects successfully, and then system returns available carrier frequencies, this trunked call carrier frequency selection end;
Step 12 is not have available carrier frequency (that is, carrier frequency is selected failure) if determine the carrier frequency selection result, then carries out carrier frequency in the set of voice carrier frequency and selects, if carrier frequency is selected successfully, then returns available carrier frequencies, if there is not available carrier frequencies, then carrier frequency is selected failure.This trunked call carrier frequency is selected to finish.
Example 2 is an example with the non cluster service, and the processing procedure of technique scheme is described.
Fig. 3 is the flow chart that carries out the carrier frequency selection according to the non cluster service of the embodiment of the invention, as shown in Figure 3, comprises following processing:
Step 1, terminal is carried out audio call;
The value of the non cluster service carrier frequency selection mode parameter (above-mentioned predetermined carrier frequency allocation strategy) of system configuration is obtained and determined to step 2, terminal;
Step 3, whether terminal judges non cluster service carrier frequency selection mode is the free method of salary distribution;
Step 4 if terminal judges non cluster service carrier frequency selection mode is the free method of salary distribution, is then selected available carrier frequency in all carrier frequency;
Step 5, the result that system is selected according to terminal carrier frequency in the step 4 returns available carrier frequencies; If there is not available carrier frequencies, then carrier frequency is selected failure, and this audio call carrier frequency is selected to finish;
Step 6, under non-free method of salary distribution situation, system is divided into cluster carrier frequency (the preferred carrier frequency of above-mentioned cluster) and two carrier frequency set of voice carrier frequency (the preferred carrier frequency of above-mentioned non-cluster) with all carrier frequency according to the type of carrier frequency;
Step 7 if the free method of salary distribution of terminal judges non cluster service carrier frequency selection mode right and wrong is then carried out carrier frequency and selected in non-cluster carrier frequency set, is selected available carrier frequency;
Step 8, whether terminal judges non cluster service carrier frequency selection mode is the fixed allocation mode;
Step 9, if terminal judges carrier frequency selection mode is a fixed allocation mode situation, then system returns available carrier frequencies according to the carrier frequency selection result in the step 7; If there is not available carrier frequencies, then carrier frequency is selected failure, and this audio call carrier frequency is selected to finish;
Step 10, if terminal judges carrier frequency selection mode is the preferred allocation mode, then at first in the determining step 7 the carrier frequency selection result whether available carrier frequency is arranged;
Step 11 is that available carrier frequency is arranged if determine the carrier frequency selection result, and carrier frequency selects successfully, and then system returns available carrier frequencies, this audio call carrier frequency selection end;
Step 12 is not have available carrier frequency (that is, carrier frequency is selected failure) if determine the carrier frequency selection result, then carries out carrier frequency in the set of cluster carrier frequency and selects, if carrier frequency is selected successfully, then returns available carrier frequencies, if there is not available carrier frequencies, then carrier frequency is selected failure.This audio call carrier frequency is selected to finish.
Description from example 1 and example 3 as can be seen, according to demand, the reasonable combination by to group service and non cluster service carrier frequency distribution strategy can realize the degree that influences each other between group service and the non cluster service flexibly.
Need to prove, from Fig. 2, Fig. 3 as can be seen, in step 3, terminal needs at first to judge whether group service carrier frequency selection mode is the free method of salary distribution, after being judged as the non-free method of salary distribution, execution in step 6 again, and this flow process is an a preferred embodiment of the present invention.In actual applications, system can also be at first be divided into cluster carrier frequency (the preferred carrier frequency of above-mentioned cluster) and two carrier frequency set of voice carrier frequency (the preferred carrier frequency of above-mentioned non-cluster) (promptly with all carrier frequency according to the type of carrier frequency, at first execution in step 6), and carrier frequency selection mode parameter (above-mentioned predetermined carrier frequency allocation strategy) is set, after system's setting was finished, terminal was operated accordingly according to the type of carrier frequency selection mode parameter and carrier frequency again.
Device embodiment
According to embodiments of the invention, a kind of carrier frequency choice device is provided, Fig. 4 is the block diagram according to the carrier frequency choice device of the embodiment of the invention, as shown in Figure 4, carrier frequency choice device according to the embodiment of the invention comprises: acquisition module 40, carrier frequency are selected module 42, wherein, carrier frequency selects module 42 can also comprise with lower module: determination module 420, first selects module 421, second to select module the 422, the 3rd to select module the 423, the 4th to select module the 424, the 5th to select module 425.Below to describing according to each module in the carrier frequency choice device of the embodiment of the invention.
Acquisition module 40 is used to carrier frequency attribute that the system that obtains sets in advance and the predetermined carrier frequency allocation strategy that sets in advance; Particularly, the carrier frequency attribute of system's setting comprises: the preferred carrier frequency of cluster, the preferred carrier frequency of non-cluster; The predetermined carrier frequency allocation strategy comprises three kinds of fixed forms, optimal way, free way, and wherein, fixed form is meant that group service can only distribute the preferred carrier frequency of cluster, and non cluster service can only distribute the preferred carrier frequency of non-cluster; Optimal way is meant the preferred carrier frequency of group service priority allocation cluster, if the preferred carrier frequency of cluster is unavailable, then distributes the preferred carrier frequency of non-cluster; The preferred carrier frequency of the non-cluster of non cluster service priority allocation, the preferred carrier frequency of non-cluster is unavailable, then distributes the preferred carrier frequency of cluster; Free way is meant group service and preferred carrier frequency of any cluster of non cluster service priority allocation and the preferred carrier frequency of non-cluster.
Carrier frequency selects module 42 to be connected to acquisition module 40, and the carrier frequency attribute and the predetermined carrier frequency allocation strategy that are used for obtaining according to acquisition module 40 are selected carrier frequency.Below, select each module and processing in the module 42 to describe to carrier frequency.
Particularly, in carrier frequency is selected module 42, the value (value includes but not limited to: fixed form, optimal way, free way) of the predetermined carrier frequency allocation strategy that determination module 420 is used for determining that acquisition module 40 obtains; If determination module 420 determines that the predetermined carrier frequency allocation strategy is a free way, then be connected to first of determination module 420 and select module 421 in preferred carrier frequency of all clusters and the preferred carrier frequency of non-cluster, to carry out carrier frequency selection arbitrarily according to the carrier frequency attribute.
If determination module 420 determines that the predetermined carrier frequency allocation strategy is a fixed form, and the type of service of terminal is under the situation of group service, is connected to second of determination module 420 and selects module 422 to carry out the carrier frequency selection in the preferred carrier frequency of cluster according to the carrier frequency attribute; If determination module 420 determines that the predetermined carrier frequency allocation strategy is a fixed form, and the type of service of terminal is under the situation of non cluster service, is connected to the 3rd of determination module 420 and selects module 423 to carry out the carrier frequency selection in the preferred carrier frequency of non-cluster according to the carrier frequency attribute.
If determination module 420 determines that the predetermined carrier frequency allocation strategy is an optimal way, and the type of service of terminal is under the situation of group service, being connected to the 4th of determination module 420 selects 424 of moulds at first to select in the preferred carrier frequency of cluster according to the carrier frequency attribute, if the preferred carrier frequency of cluster is unavailable, then the 4th select mould 424 in the preferred carrier frequency of non-cluster, to carry out the carrier frequency selection according to the carrier frequency attribute; If determination module 420 determines that the predetermined carrier frequency allocation strategy is an optimal way, and the type of service of terminal is under the situation of non cluster service, being connected to the 5th of determination module 421 selects module 425 at first to select in the preferred carrier frequency of non-cluster according to the carrier frequency attribute, if the preferred carrier frequency of non-cluster is unavailable, then the 5th select module 425 in the preferred carrier frequency of cluster, to carry out the carrier frequency selection according to the carrier frequency attribute.
Need to prove, under the situation that does not deviate from the spirit and scope that claims illustrate, can carry out various changes and combination above-mentioned each module.For example, it all is to carry out the carrier frequency selection that the first selection module 421, second selects module the 422, the 3rd to select module the 423, the 4th to select module the 424, the 5th to select the function of module 425, therefore, above-mentioned each module can be unified setting.
In sum, by means of technical scheme of the present invention, by increasing the carrier frequency attribute and being that group service, non cluster service are provided with the carrier frequency distribution strategy, can solve that the carrier frequency selection mode can not guarantee cluster user and the non-cluster user problem of service quality separately in the correlation technique, make group service and the non cluster service can the different carrier frequency of priority allocation, thus interactional degree between control sets group business and the non cluster service flexibly.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. a carrier frequency selecting method is used under the situation of group service and non cluster service common network carrier frequency being selected, and it is characterized in that described method comprises:
The carrier frequency attribute is set, and wherein, described carrier frequency attribute comprises: preferred carrier frequency of cluster and the preferred carrier frequency of non-cluster;
Described group service and described non cluster service are provided with the predetermined carrier frequency allocation strategy respectively;
When carrying out described group service or described non cluster service, carry out the carrier frequency selection according to described carrier frequency attribute and described predetermined carrier frequency allocation strategy;
Wherein, described predetermined carrier frequency allocation strategy comprises:
Fixed form, described group service can only be distributed the preferred carrier frequency of described cluster, and described non cluster service can only distribute the preferred carrier frequency of described non-cluster;
Optimal way, the preferred carrier frequency of the described cluster of described group service priority allocation if the preferred carrier frequency of described cluster is unavailable, then distributes the preferred carrier frequency of described non-cluster; The preferred carrier frequency of the described non-cluster of described non cluster service priority allocation, the preferred carrier frequency of described non-cluster is unavailable, then distributes the preferred carrier frequency of described cluster;
Free way, described group service and the preferred carrier frequency of any cluster of described non cluster service priority allocation and the preferred carrier frequency of non-cluster.
2. method according to claim 1 is characterized in that, the processing that described group service and described non cluster service are selected carrier frequency according to described carrier frequency attribute and described predetermined carrier frequency allocation strategy comprises:
Described non cluster service and described group service obtain described predetermined carrier frequency allocation strategy and described carrier frequency attribute;
Described group service and described non cluster service are judging that described predetermined carrier frequency allocation strategy is under the situation of described free way, carry out carrier frequency according to described carrier frequency attribute in preferred carrier frequency of all clusters and the preferred carrier frequency of non-cluster and select;
Described non cluster service and described group service are judging that described predetermined carrier frequency allocation strategy is under the situation of described fixed form, described group service carries out carrier frequency according to described carrier frequency attribute in the preferred carrier frequency of described cluster selects, and described non cluster service carries out carrier frequency according to described carrier frequency attribute and selects in the preferred carrier frequency of non-cluster;
Described group service and described non cluster service are judging that described predetermined carrier frequency allocation strategy is under the situation of described optimal way, described group service is at first selected in the preferred carrier frequency of described cluster according to described carrier frequency attribute, if the preferred carrier frequency of described cluster is unavailable, then in the preferred carrier frequency of non-cluster, carries out carrier frequency and select according to described carrier frequency attribute; Described non cluster service is at first selected in the preferred carrier frequency of described non-cluster according to described carrier frequency attribute, if the preferred carrier frequency of described non-cluster is unavailable, then carries out carrier frequency according to described carrier frequency attribute in the preferred carrier frequency of cluster and selects.
3. a carrier frequency choice device is characterized in that, comprising:
Acquisition module is used to obtain carrier frequency attribute that sets in advance and the predetermined carrier frequency allocation strategy that sets in advance, and wherein, described carrier frequency attribute comprises: preferred carrier frequency of cluster and the preferred carrier frequency of non-cluster;
Carrier frequency is selected module, is used for according to the described carrier frequency attribute and the described predetermined carrier frequency allocation strategy that obtain carrier frequency being selected;
Wherein, described predetermined carrier frequency allocation strategy comprises:
Fixed form, described group service can only be distributed the preferred carrier frequency of described cluster, and described non cluster service can only distribute the preferred carrier frequency of described non-cluster;
Optimal way, the preferred carrier frequency of the described cluster of described group service priority allocation if the preferred carrier frequency of described cluster is unavailable, then distributes the preferred carrier frequency of described non-cluster; The preferred carrier frequency of the described non-cluster of described non cluster service priority allocation, the preferred carrier frequency of described non-cluster is unavailable, then distributes the preferred carrier frequency of described cluster;
Free way, described group service and the preferred carrier frequency of any cluster of described non cluster service priority allocation and the preferred carrier frequency of non-cluster.
4. device according to claim 3 is characterized in that, described carrier frequency selects module further to comprise:
Determination module is used for determining described predetermined carrier frequency allocation strategy;
First selects module, is used for determining that at described determination module described predetermined carrier frequency allocation strategy is under the situation of described free way, carries out carrier frequency according to described carrier frequency attribute in preferred carrier frequency of all clusters and the preferred carrier frequency of non-cluster and selects;
Second selects module, and being used in type of service is that group service and described determination module determine that described predetermined carrier frequency allocation strategy is under the situation of described fixed form, carries out carrier frequency according to described carrier frequency attribute in the preferred carrier frequency of described cluster and selects;
The 3rd selects module, and being used in described type of service is that non cluster service and described determination module determine that described predetermined carrier frequency allocation strategy is under the situation of described fixed form, carries out carrier frequency according to described carrier frequency attribute in the preferred carrier frequency of described non-cluster and selects;
The 4th selects module, being used in described type of service is group service, and described determination module determines that described predetermined carrier frequency allocation strategy is under the situation of described optimal way, at first in the preferred carrier frequency of described cluster, select according to described carrier frequency attribute, if the preferred carrier frequency of described cluster is unavailable, then in the preferred carrier frequency of non-cluster, carries out carrier frequency and select according to described carrier frequency attribute;
The 5th selects module, being used in described type of service is non cluster service, and described determination module determines that described predetermined carrier frequency allocation strategy is under the situation of described optimal way, at first in the preferred carrier frequency of described non-cluster, select according to described carrier frequency attribute, if the preferred carrier frequency of described non-cluster is unavailable, then in the preferred carrier frequency of cluster, carries out carrier frequency and select according to described carrier frequency attribute.
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