CN101527940A - Method and system for indicating priority - Google Patents
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Abstract
The invention discloses a method and a system for indicating priority, which are applied in the field of wireless communication. In the method, a network side indicates priority information of one or more cells for a user facility through signals, wherein the priority information comprises a wireless access system label, frequency band indicating information, frequency information and priority indicating information; and the user facility performs cell measurement and/or cell selection or reselection according to the priority information in the signals. Compared with related technology, the method and the system can improve the granularity of priority indication through correlation of the priority information indicated on the network side with a wireless access system, frequency band indication and the frequency information, and can solve the problem of incapability of effectively and accurately indicating the priority existing in the related technology.
Description
Technical field
The present invention relates to communication system, particularly, relate to priority indicating means and system.
Background technology
Further evolution along with wireless communication technology, in order to simplify a subscriber equipment (UseEquipment, abbreviate UE as) and network equipment to a user's maintenance state, reduced Radio Resource control (Radio Resource Control, abbreviate RRC as) various states under the connection mode, also promptly, only there are RRC connection mode and idle pulley.
When UE was in idle pulley, it needed to carry out cell selecting and reuse adoption process in moving process; Perhaps, in the handoff procedure of RRC connection mode, the UE of handoff failure also will start cell selecting and reuse adoption process; At present, 3GPP (3rd Generationpartnership project, third generation mobile partner plan) standard has adopted based on the mechanism of priority for cell selecting and reuse adoption process and has carried out.Its priority mechanism is mainly reflected in following two aspects:
(1) is lower than other E-UTRAN (Evolved UMTS Terrestrial Radio Access Network when the priority of the resident Serving cell of UE, the UMTS Terrestrial radio access network of evolution) when frequency layer or other wireless systems, UE will start measurement always; When the priority of the resident Serving cell of UE is higher than other E-UTRAN frequency layer or during other wireless systems, then only when the signal quality of the resident Serving cell of UE is lower than predetermined threshold, just can start measurement;
(2) started measurement as UE, when carrying out the rule based judgment of sub-district gravity treatment, also will carry out different processing: if gravity treatment to has other frequency cells of higher priority or the sub-district of other system than current resident Serving cell according to priority, be higher than a high threshold if then have the signal quality of the sub-district of other frequency cells of higher priority or other system, then can satisfy sub-district gravity treatment requirement; If gravity treatment to has more other frequency cells of low priority or the sub-district of other system than current resident Serving cell, so if there is no satisfy other frequency cells of gravity treatment rule or the sub-district of other system with higher priority, then be lower than a low threshold and have other frequency cells of low priority more or the signal quality of the sub-district of other system when being higher than another low threshold when the signal quality of current resident Serving cell, just think and satisfy sub-district gravity treatment requirement.
Can find out that from said process the UE of idle pulley needs the precedence information of network side indicating cell when measuring; Which kind of suitable particle size UE can be indicated at the precedence information that also needing when cell reselection rules is judged to carry out the network side indicating cell for this priority, and 3GPP does not also come to a conclusion at present.Present viewpoint mainly contains following three kinds:
(1) be indicated to wireless access system rank (such as GSM (Global systemfor Mobile Communication, global mobile communication), GERAN, UTRAN, E-UTRAN), that is, every kind of corresponding a kind of priority of wireless access system;
(2) be indicated to the rank of wireless access system+frequency range indication, that is, every kind of frequency range under every kind of wireless access system can corresponding a kind of priority;
(3) be indicated to the rank of wireless access system+frequency information, that is, each frequency under every kind of wireless access system can corresponding a kind of priority.
Yet for present various wireless access systems, the frequency under the different frequency range has overlapping, such as, for the E-UTRAN system, the frequency range of frequency range 4 correspondences is: 2110-2155MHz, the frequency range of frequency range 10 correspondences is: 2110-2170MHz.
Therefore, granularity indicating means (3) based on above-mentioned precedence information, following situation will appear: have two sub-districts of identical wireless access system and identical frequency information, may belong to different frequency ranges, therefore can't embody the priority between the frequency range.And for granularity indicating means (1) and (2) of above-mentioned precedence information, the indication granularity is lower than granularity indicating means (3), obviously can't adapt to the needs that UE carries out cell selecting and gravity treatment.Therefore, need a kind of new priority relationship method for expressing.
Summary of the invention
The priority granularity indication of considering the priority indicating means that exists in the correlation technique inadequately in detail or can't accurately indicate the problem of priority and propose the present invention.Given this, purpose of the present invention aims to provide a kind of priority indicating means and system, in order to one of to address the above problem at least.
To achieve these goals, according to an aspect of the present invention, provide a kind of priority indicating means.
In priority indicating means according to the embodiment of the invention, network side is indicated the precedence information of one or more sub-districts to subscriber equipment by signaling, wherein, precedence information comprises: wireless access system sign, frequency range indication information, frequency information, priority indication information; Subscriber equipment carries out cell measurement and/or cell selecting or gravity treatment according to the precedence information in the signaling.
Wherein, subscriber equipment is specially according to the operation that precedence information carries out cell measurement and/or cell selecting or gravity treatment: subscriber equipment is searched sub-district corresponding priorities indication information according to the frequency range and the frequency of the wireless access system under the sub-district, use; Subscriber equipment carries out cell measurement and/or cell selecting or gravity treatment according to the priority indication information.
Wherein, the span of frequency range indication information be following any: BAND1-BAND38, BAND1-BAND100.
Wherein, frequency information is following any or its combination: upstream frequency information, downstream frequency information, on/downstream frequency information.
Wherein, the corresponding wireless access system of wireless access system sign comprise following any: the UMTS Terrestrial radio access network system (E-UTRAN) of global system for mobile communications (GSM), GSM EDGE Radio Access Network (GERAN), UMTS Terrestrial radio access network system (UTRAN), evolution, WiMAX system (WIMAX), code division multiple access system.
According to a further aspect in the invention, provide a kind of priority indication mechanism, comprised subscriber equipment and the transmitting element that is positioned at network side, wherein, network side is to the precedence information of subscriber equipment indicating cell.
In priority indication mechanism according to the embodiment of the invention, transmitting element is used for sending instruction to subscriber equipment, to indicate the precedence information of one or more sub-districts, wherein, precedence information comprises: wireless access system sign, frequency range indication information, frequency information, priority indication information; Subscriber equipment is used to receive the instruction from network side, and carries out cell measurement and/or cell selecting or gravity treatment according to the precedence information in the signaling.
Preferably, subscriber equipment further comprises: search module, be used for searching sub-district corresponding priorities indication information according to the frequency range and the frequency of the wireless access system under the sub-district, use; Executive Module is used for carrying out cell measurement and/or cell selecting or gravity treatment according to searching the priority indication information that module finds.
Wherein, the span of frequency range indication information be following any: BAND1-BAND38, BAND1-BAND100; Frequency information is following any or its combination: upstream frequency information, downstream frequency information, on/downstream frequency information.
Wherein, above-mentioned signaling comprises: system broadcast message, dedicated signaling.
By above-mentioned at least one technical scheme of the present invention, by make the precedence information of network side indication indicate with wireless access system, frequency range, the frequency information three is relevant, than correlation technique, the granularity of priority indication can be improved, and the problem that can't indicate priority effectively and accurately that exists in the correlation technique can be overcome.
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 priority indicating means of the inventive method embodiment;
Fig. 2 is the Signalling exchange flow chart according to the example 1 of the priority indicating means of the inventive method embodiment;
Fig. 3 is the Signalling exchange flow chart according to the example 2 of the priority indicating means of the inventive method embodiment;
Fig. 4 is the structured flowchart of the priority indication mechanism of system according to the invention embodiment.
Embodiment
As mentioned above, three kinds of present priority indicating means, i.e. (1) wireless access system, (2) wireless access system+frequency range indication, (3) wireless access system+frequency information, have the detailed inadequately problem of priority indication granularity, and also there is the problem that can't indicate effectively and accurately in above-mentioned mode (3).Given this, the embodiment of the invention provides a kind of new priority indication scheme, it can indicate the more detailed priority granularity to UE, the advantage when carrying out the sub-district gravity treatment by priority mechanism that makes embodies more fully, also is convenient to the behavior that operator can more effectively control the gravity treatment of UE sub-district.
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.
Method embodiment
According to the embodiment of the invention, a kind of priority indicating means at first is provided, be used for network side and indicate priority information to UE.Fig. 1 shows the flow chart of this method.As shown in Figure 1, comprise following processing:
Step S102, network side is indicated the precedence information of one or more sub-districts by signaling to subscriber equipment, and wherein, precedence information comprises: wireless access system sign, frequency range indication information, frequency information, priority indication information; That is, the factor of priority association is: wireless access system+frequency range indication+frequency information;
Step S104, UE carries out cell measurement and/or cell selecting or gravity treatment according to the precedence information in the signaling.
Below describe the details in the above-mentioned processing in detail.
At first, wireless access system above-mentioned can be but be not limited to following any: wherein, the corresponding wireless access system of wireless access system sign comprise following any: the UMTS Terrestrial radio access network system (E-UTRAN) of global system for mobile communications (GSM), GSM EDGE Radio Access Network (GERAN), UMTS Terrestrial radio access network system (UTRAN), evolution, WiMAX system (WiMAX), code division multiple access system 2000 (CDMA2000) etc.
For above-mentioned frequency range indication information, its span be following any: BAND1-BAND38, BAND1-BAND100.And for above-mentioned frequency information, it can be following any or its combination: upstream frequency information, downstream frequency information, on/downstream frequency information (on/a descending public frequency information).
Need to prove that in addition above-mentioned to be used to indicate the signaling of native region priority can be system broadcast message, also can be dedicated signaling.Hereinafter, will be that example is carried out follow-up explanation with the system broadcast message.
Based on above description, the signaling structure of the embodiment of the invention can be described below:
Table 1
| Priority infomation | 1to<maxNumber> |
| -＞Rat indicator (wireless access system) | |
| -＞frequency band indicatior (frequency range indication) | |
| -＞xARFCN (frequency information) | |
| -＞priority indicator (priority indication) |
Wherein, the expression mode of the xARFCN frequency information of above-mentioned table 1 is as follows:
(1) if be gsm system, then be one or more frequency information;
(2), then can be a frequency information or two frequency informations if be the UTRAN system; If two frequency informations are then represented upstream frequency information and downstream frequency information respectively;
(3), then can be a frequency information or two frequency informations if be the E-UTRAN system; If two frequency informations are then represented upstream frequency information and downstream frequency information respectively.
The present invention may be better understood by specific implementation example given below.
Example one:
In this example, indicated the precedence information of the different frequency of a same frequency range of wireless access system in the system broadcast message of network side notice UE precedence information.Fig. 2 has provided the Signalling exchange flow process of this example.As shown in Figure 2, comprise following processing:
202, network side has wherein been indicated a wireless access system (E-UTRAN) precedence information of the different frequency of same frequency range (Band 10) down by the precedence information of system broadcast message notice UE sub-district.
Table 2
| Rat indicator (wireless access system indication) | Frequency band indicatior (frequency range indication) | ARFCN DL | Priority indicator (priority indication) |
| E-UTRAN | Band 10 | 2110MHz | 1 |
| E-UTRAN | Band 10 | 2130MHz | 5 |
| E-UTRAN | Band 4 | 2110MHz | 6 |
204, UE carries out cell measurement and/or cell selecting or gravity treatment based on the precedence information of indicating in the system broadcast message.
Shown in top table 2, frequency range under the E-UTRAN is Band 10, frequency is that the priority of the sub-district of 2110MHz is 1, frequency range under the E-UTRAN is Band 10, frequency is that the priority of the sub-district of 2130MHz is 5, frequency range under the E-UTRAN is Band 4, frequency is that the priority of the sub-district of 2110MHz is 6, as can be seen, than correlation technique, promptly improved the fineness of priority indication, overcome the indicating means in the correlation technique (3) again though middle two sub-districts with same wireless connecting system and same frequency information that exist belong to different frequency range and may have this problem of identical priority.
In 204 handled, UE carried out cell measurement and/or cell selecting or gravity treatment according to the priority indication information again according at first searching sub-district corresponding priorities indication information according to the frequency range and the frequency of the wireless access system under the sub-district, use.
Particularly, (1) is lower than other E-UTRAN frequency layer or during other wireless systems, UE will start measurement always when the priority of the resident Serving cell of UE; When the priority of the resident Serving cell of UE is higher than other E-UTRAN frequency layer or during other wireless systems, then only when the signal quality of the resident Serving cell of UE is lower than predetermined threshold, just can start measurement;
(2) started measurement as UE, when carrying out the rule based judgment of sub-district gravity treatment, also will carry out different processing: if gravity treatment to has other frequency cells of higher priority or the sub-district of other system than current resident Serving cell according to priority, be higher than a high threshold if then have the signal quality of the sub-district of other frequency cells of higher priority or other system, then can satisfy sub-district gravity treatment requirement; If gravity treatment to has more other frequency cells of low priority or the sub-district of other system than current resident Serving cell, so if there is no satisfy other frequency cells of gravity treatment rule or the sub-district of other system with higher priority, then be lower than a low threshold and have other frequency cells of low priority more or the signal quality of the sub-district of other system when being higher than another low threshold when the signal quality of current resident Serving cell, just think and satisfy sub-district gravity treatment requirement.
Example two:
In this example, indicated two wireless access systems to unify the precedence information of the different frequency of frequency range in the system broadcast message of network side notice UE precedence information.Fig. 3 has provided the Signalling exchange flow process of this example.As shown in Figure 3, comprise following processing:
302, network side is by the precedence information of system broadcast message notice UE sub-district, wherein indicated the precedence information of the different frequency of different frequency range Band 10 and Band 1 under two different radio connecting system E-UTRAN and the UTRAN.
Table 3
| Rat indicator (wireless access system indication) | Frequency band indicatior (frequency range indication) | ARFCN DL | Priority indicator (priority indication) |
| E-UTRAN | Band 10 | 2110MHz | 1 |
| E-UTRAN | Band 10 | 2130MHz | 3 |
| E-UTRAN | Band 4 | 2110MHz | 4 |
| UTRAN | Band 1 | 2112.4MHz | 6 |
304, UE carries out cell measurement and/or cell selecting or gravity treatment based on the precedence information of indicating in the system broadcast message.
Shown in top table 3, frequency range under the E-UTRAN is Band 10, frequency is that the priority of the sub-district of 2110MHz is 1, frequency range under the E-UTRAN is Band 10, frequency is that the priority of the sub-district of 2130MHz is 3, and the frequency range under the E-UTRAN is Band 4, and frequency is that the priority of the sub-district of 2110MHz is 4, frequency range under the UTRAN is Band 1, and frequency is that the priority of the sub-district of 2112.4MHz is 6.As can be seen, than correlation technique, promptly improved the fineness of priority indication, overcome the indicating means in the correlation technique (3) again though middle two sub-districts with same wireless connecting system and same frequency information that exist belong to different frequency range and may have this problem of identical priority.
In 304 handled, UE carried out cell measurement and/or cell selecting or gravity treatment according to the priority indication information again according at first searching sub-district corresponding priorities indication information according to the frequency range and the frequency of the wireless access system under the sub-district, use.
Particularly, (1) is lower than other E-UTRAN frequency layer or during other wireless systems, UE will start measurement always when the priority of the resident Serving cell of UE; When the priority of the resident Serving cell of UE is higher than other E-UTRAN frequency layer or during other wireless systems, then only when the signal quality of the resident Serving cell of UE is lower than predetermined threshold, just can start measurement;
(2) started measurement as UE, when carrying out the rule based judgment of sub-district gravity treatment, also will carry out different processing: if gravity treatment to has other frequency cells of higher priority or the sub-district of other system than current resident Serving cell according to priority, be higher than a high threshold if then have the signal quality of the sub-district of other frequency cells of higher priority or other system, then can satisfy sub-district gravity treatment requirement; If gravity treatment to has more other frequency cells of low priority or the sub-district of other system than current resident Serving cell, so if there is no satisfy other frequency cells of gravity treatment rule or the sub-district of other system with higher priority, then be lower than a low threshold and have other frequency cells of low priority more or the signal quality of the sub-district of other system when being higher than another low threshold when the signal quality of current resident Serving cell, just think and satisfy sub-district gravity treatment requirement.
System embodiment
According to the embodiment of the invention, a kind of priority indication mechanism is provided, Fig. 4 shows the structured flowchart of this system, as shown in Figure 4, priority indication mechanism according to the embodiment of the invention comprises subscriber equipment 42 and the transmitting element 44 that is positioned at network side, wherein, network side is to the precedence information of subscriber equipment indicating cell.
Particularly, transmitting element 44 is used for sending instruction to subscriber equipment 42, can be system broadcast message, dedicated signaling etc., to indicate the precedence information of one or more sub-districts, wherein, precedence information comprises: wireless access system sign, frequency range indication information, frequency information, priority indication information; Subscriber equipment 42 is used to receive the instruction from network side, and carries out cell measurement and/or cell selecting or gravity treatment according to the precedence information in the signaling.
Wherein, the span of frequency range indication information be following any: BAND1-BAND38, BAND1-BAND100; Frequency information is following any or its combination: upstream frequency information, downstream frequency information, on/downstream frequency information (on/a descending public frequency information).
Preferably, shown in the empty frame among Fig. 4, subscriber equipment 42 further comprises: search module 420, be used for searching sub-district corresponding priorities indication information according to the frequency range and the frequency of the wireless access system under the sub-district, use; Executive Module 424 is used for carrying out cell measurement and/or cell selecting or gravity treatment according to searching the priority indication information that module finds.
Need to prove that above-mentioned device embodiment can understand and implements with reference to the details of the above method embodiment that provides and the example,, no longer can be repeated in this description, with unnecessarily fuzzy the present invention same or similar content at this.
As mentioned above, by means of above-mentioned at least one technical scheme of the present invention, by make the precedence information of network side indication indicate with wireless access system, frequency range, the frequency information three is relevant, than correlation technique, improve the granularity of priority indication, and overcome the problem that can't indicate priority effectively and accurately that exists in the correlation technique.
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 (10)
1. a priority indicating means is used for the precedence information of network side to the subscriber equipment indicating cell, it is characterized in that:
Described network side is indicated the precedence information of one or more sub-districts by signaling to subscriber equipment, and wherein, described precedence information comprises: wireless access system sign, frequency range indication information, frequency information, priority indication information;
Described subscriber equipment carries out cell measurement and/or cell selecting or gravity treatment according to the described precedence information in the described signaling.
2. method according to claim 1 is characterized in that, described subscriber equipment is specially according to the operation that described precedence information carries out cell measurement and/or cell selecting or gravity treatment:
Described subscriber equipment is searched described sub-district corresponding priorities indication information according to the frequency range and the frequency of the wireless access system under the sub-district, use;
Described subscriber equipment carries out cell measurement and/or cell selecting or gravity treatment according to described priority indication information.
3. method according to claim 1 is characterized in that, the span of described frequency range indication information be following any: BAND1-BAND38, BAND1-BAND100.
4. method according to claim 1 is characterized in that, described frequency information is following any or its combination: upstream frequency information, downstream frequency information, on/downstream frequency information.
5. method according to claim 1, it is characterized in that, the corresponding wireless access system of described wireless access system sign comprise following any: global system for mobile communications is that GSM, GSM EDGE Radio Access Network are that GERAN, UMTS Terrestrial radio access network system are that the UMTS Terrestrial radio access network system of UTRAN, evolution is that E-UTRAN, WiMAX system are that WIMAX, code division multiple access system are CDMA.
6. according to each described method in the claim 1 to 5, it is characterized in that described signaling comprises: system broadcast message, dedicated signaling.
7. a priority indication mechanism comprises subscriber equipment and the transmitting element that is positioned at network side, and wherein, network side is to the precedence information of subscriber equipment indicating cell, and its feature exists,
Described transmitting element is used for sending instruction to described subscriber equipment, and to indicate the precedence information of one or more sub-districts, wherein, described precedence information comprises: wireless access system sign, frequency range indication information, frequency information, priority indication information;
Described subscriber equipment is used to receive the instruction from described network side, and carries out cell measurement and/or cell selecting or gravity treatment according to the described precedence information in the described signaling.
8. system according to claim 7 is characterized in that, described subscriber equipment further comprises:
Search module, be used for searching described sub-district corresponding priorities indication information according to the frequency range and the frequency of the wireless access system under the sub-district, use;
Executive Module is used for carrying out cell measurement and/or cell selecting or gravity treatment according to searching the described priority indication information that module finds.
9. system according to claim 7 is characterized in that, the span of described frequency range indication information be following any: BAND1-BAND38, BAND1-BAND100; Described frequency information is following any or its combination: upstream frequency information, downstream frequency information, on/downstream frequency information.
10. according to each described system in the claim 7 to 9, it is characterized in that described signaling comprises: system broadcast message, dedicated signaling.
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