CN104219728A - Method, device and RNC (radio network controller) for deploying low-power base station in macro cell - Google Patents
Method, device and RNC (radio network controller) for deploying low-power base station in macro cell Download PDFInfo
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- CN104219728A CN104219728A CN201310213147.4A CN201310213147A CN104219728A CN 104219728 A CN104219728 A CN 104219728A CN 201310213147 A CN201310213147 A CN 201310213147A CN 104219728 A CN104219728 A CN 104219728A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
- H04W16/32—Hierarchical cell structures
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention relates to a method, device and RNC (radial network controller) for deploying a low-power base station in a macro cell. The method comprises the following steps: configuring at least two carries in the same frequency band for each of a macro base station and the low-power base station; and executing, according to the position of a user and/or the type of a service, different carrier prior access strategies of the macro base station and the low-power base station on at least two carriers to form differential service loads of the macro base station and the low-power base station on the same carrier. Through configuration of at least two carriers in the same frequency band on each of the macro base station and the low-power base station, the macro base station and the low-power base station form the difference or are in contrast based on the access prior strategies of at least two carriers in the same frequency band, so the service loads of the macro base station and the low-power base station on the same carriers are different, the probability of same frequency interference between the low-power base station and the macro base station is reduced, and the user service performance of each of the macro base station and the low-power base station is improved.
Description
Technical field
The present invention relates to wireless communication technique field, particularly relate in macrocell, dispose low power base station in WCDMA system method, device and RNC(radio network controller, radio network controller).
Background technology
Mobile broadband service development is in recent years swift and violent, the data service blowout formula application of various 3GPP standard intelligent terminal (mobile phone, data card, iPad etc.) directly causes hot zones data traffic to present explosive growth trend, therefore only strengthen traditional macrocell performance to be difficult to deal with problems completely, need to provide new Networking Solutions & provisioned on former traditional macro base station network foundation.At present, the low power base station (such as Micro, Pico or Metro base station) of disposing with frequency in macrocell is adopted to solve burgeoning data traffic demand.
But these low power base station may be applied in focus or hot-zone covers, dispose low power base station and can cause following problem:
1) because the power output of macro base station and low power base station differs greatly, and uplink received power difference is also little, cause the up covering border between macro base station and low power base station and descending covering border at a distance of larger, namely there is the uneven district of larger up-downgoing, the existence in this uneven district can cause the user in uneven district to bring very large interference to low power base station.
2) ascending power of low-power descending area of coverage UE may cause interference to the up of macrocell, especially more in macrocell small-power base station deployment can cause the user of small-power base station to cause larger interference to macrocell is up, and then the uplink service affecting UE is experienced, even block user's access of macrocell.
3) edge customer of low power base station can receive the downstream signal from macro base station and low power base station simultaneously, and when user is many time, the descending interference of edge user then can strengthen, and affects the downlink business performance of edge customer.
Summary of the invention
Main purpose of the present invention is to provide a kind of in macrocell, dispose low power base station method, device and RNC, is intended to reduce the interference between macro base station and low power base station, promotes the customer service performance of macro base station and low power base station.
In order to achieve the above object, the present invention proposes a kind of method of disposing low power base station in macrocell, comprising:
At least two carrier waves of same frequency range are all configured at macro base station and low power base station;
According to user present position and/or type of service, perform described macro base station and the different carrier wave priority access strategy of low power base station on described at least two carrier waves, form macro base station and the differentiated service load of low power base station on same carrier wave.
Preferably, described macro base station and low power base station coverage cell are respectively with frequency individual cell; Described according to user present position, perform described macro base station and the different carrier wave priority access strategy of low power base station on described at least two carrier waves, the step forming macro base station and the differentiated service load of low power base station on same carrier wave comprises:
In system information broadcast, differentiation arranges the cell reselection relevant parameter of macro base station community and low-power base station cell, makes macro base station cover the cell reselection strategies covered with low power base station and forms differentiation;
According to described cell reselection strategies, make the user of macro base station coverage cell and low power base station coverage cell preferentially resident in corresponding coverage cell, and the carrier wave making the user priority of the macro base station coverage cell resident carrier wave resident from the user priority of low power base station coverage cell is different;
Set up wireless link on macro base station and the resident all preferential community resident user of Client-initiated business of low power base station, make macro base station and the low power base station business load on same carrier wave form difference.
Preferably, described macro base station and low power base station coverage cell are respectively with frequency individual cell; Described according to customer service type, perform described macro base station and the different carrier wave priority access strategy of low power base station on described at least two carrier waves, the step forming macro base station and the differentiated service load of low power base station on same carrier wave comprises:
Obtain the type of service of the resident user's active of macro base station and low power base station or passive initiation;
According to described macro base station and the resident user of low power base station initiatively or the type of service of passive initiation, described at least two carrier waves are selected corresponding resident community set up different customer services, form macro base station and the differentiated service load of low power base station on same carrier wave.
Preferably, described macro base station and low power base station coverage cell merge and are attributed to a logic district; Described according to user present position, perform described macro base station and the different carrier wave priority access strategy of low power base station on described at least two carrier waves, the step forming macro base station and the differentiated service load of low power base station on same carrier wave comprises:
Judge that user is in the macro base station area of coverage or the low power base station area of coverage;
According to the position residing for judged user, for macro base station area of coverage user and low power base station area of coverage user select corresponding carrier cell to set up wireless link respectively, in Shi Tong community, the user load of macro base station covering position and the user load of low power base station covering position form differentiation.
Preferably, described macro base station and low power base station coverage cell merge and are attributed to a logic district; Described according to user present position and customer service type, perform described macro base station and the different carrier wave priority access strategy of low power base station on described at least two carrier waves, the step forming macro base station and the differentiated service load of low power base station on same carrier wave comprises:
Judge that user is in the macro base station area of coverage or the low power base station area of coverage; And obtain the type of service of macro base station and low power base station area of coverage user active or passive initiation;
Position residing for judged user and Client-initiated type of service, for macro base station area of coverage user and low power base station area of coverage user select corresponding carrier cell to set up wireless link respectively, in Shi Tong community, the user load of macro base station covering position and the user load of low power base station covering position form differentiation.
The present invention also proposes a kind of device disposing low power base station in macrocell, comprising:
Configuration module, for all configuring at least two carrier waves of same frequency range at macro base station and low power base station;
Policy enforcement module, according to user present position and/or type of service, perform described macro base station and the different carrier wave priority access strategy of low power base station on described at least two carrier waves, form macro base station and the differentiated service load of low power base station on same carrier wave.
Preferably, described macro base station and low power base station coverage cell are respectively with frequency individual cell; Described policy enforcement module comprises:
Parameter set unit, arranges the cell reselection relevant parameter of macro base station community and low-power base station cell for differentiation in system information broadcast, make macro base station cover the cell reselection strategies covered with low power base station and form differentiation;
Community resident element, for according to described cell reselection strategies, make the user of macro base station coverage cell and low power base station coverage cell preferentially resident in corresponding coverage cell, and the carrier wave making the user priority of the macro base station coverage cell resident carrier wave resident from the user priority of low power base station coverage cell is different;
First business sets up unit, for setting up wireless link on macro base station and the resident all preferential community resident user of Client-initiated business of low power base station, makes macro base station and the low power base station business load on same carrier wave form difference.
Preferably, described macro base station and low power base station coverage cell are respectively with frequency individual cell; Described policy enforcement module comprises:
Type of service acquiring unit, for obtaining macro base station and the resident user of low power base station initiatively or the type of service of passive initiation;
Second business sets up unit, for according to described macro base station and the resident user of low power base station initiatively or the type of service of passive initiation, described at least two carrier waves are selected corresponding resident community set up different customer services, form macro base station and the differentiated service load of low power base station on same carrier wave.
Preferably, described macro base station and low power base station coverage cell merge and are attributed to a logic district; Described policy enforcement module comprises:
Judging unit, for judging that user is in the macro base station area of coverage or the low power base station area of coverage; And obtain the type of service of macro base station and low power base station area of coverage user active or passive initiation;
3rd business sets up unit, for the position residing for judged user and Client-initiated type of service, for macro base station area of coverage user and low power base station area of coverage user select corresponding carrier cell to set up wireless link respectively, in Shi Tong community, the user load of macro base station covering position and the user load of low power base station covering position form differentiation.
The present invention also proposes a kind of RNC, it is characterized in that, comprises device as above.
A kind of method, device and RNC disposing low power base station in macrocell that the embodiment of the present invention proposes, by when macro base station and low power base station are all at least configured with two carrier wave of same frequency range, for on access strategy, macro base station and low power base station at least two with the access preference strategy on frequency range carrier wave being formed difference or contrary, thus formation macro base station and the business load of low power base station on same carrier wave form difference, reduce the probability of low power base station and macro base station co-channel interference, promote the customer service performance of macro base station and low power base station.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet that the present invention disposes method one embodiment of low power base station in macrocell;
Fig. 2 a be in the embodiment of the present invention RNC according to the resident macro base station community of UE or low-power base station cell priority access policy map;
Fig. 2 b is that in the embodiment of the present invention, RNC adopts different carrier priority access policy map according to the type of service difference of UE;
Fig. 3 is the structural representation that the present invention disposes device one embodiment of low power base station in macrocell;
Fig. 4 a is a kind of structural representation that the present invention disposes policy enforcement module in device one embodiment of low power base station in macrocell;
Fig. 4 b is the another kind of structural representation that the present invention disposes policy enforcement module in device one embodiment of low power base station in macrocell;
Fig. 4 c is another structural representation that the present invention disposes policy enforcement module in device one embodiment of low power base station in macrocell.
In order to make technical scheme of the present invention clearly, understand, be described in further detail below in conjunction with accompanying drawing.
Embodiment
The solution of the embodiment of the present invention is mainly: when macro base station and low power base station are all at least configured with two carrier wave of same frequency range, for on access strategy, macro base station and low power base station at least two with the access preference strategy on frequency range carrier wave being formed difference or contrary, thus formation macro base station and the business load of low power base station on same carrier wave form difference, reduce the probability of low power base station and macro base station co-channel interference, promote the customer service performance of macro base station and low power base station.
As shown in Figure 1, one embodiment of the invention proposes a kind of method of disposing low power base station in macrocell, comprising:
Step S101, all configures at least two carrier waves of same frequency range at macro base station and low power base station;
Step S102, according to user present position and/or type of service, perform described macro base station and the different carrier wave priority access strategy of low power base station on described at least two carrier waves, form macro base station and the differentiated service load of low power base station on same carrier wave.
Wherein, low power base station can be Micro, Pico or Metro base station etc., because prior art is disposed with low power base station frequently in macrocell, can cause between macro base station and low power base station, producing very large interference, affect the customer service performance of macro base station and low power base station.
The present embodiment is the customer service performance promoting macro base station and low power base station, two carrier waves of same frequency range are all at least configured at macro base station and low power base station, for on access strategy, macro base station and the access preference strategy of low power base station on above-mentioned at least two carrier waves form difference or contrary, thus formation macro base station and the business load of low power base station on same carrier wave form difference, reduce the probability of low power base station and macro base station co-channel interference.
Particularly, the present embodiment can according to user present position and type of service, perform macro base station and the different carrier wave priority access strategy of low power base station on described at least two carrier waves, form macro base station and the differentiated service load of low power base station on same carrier wave.
At specific implementation macro base station and low power base station, the business load on same carrier wave is formed in difference target, can adopt various ways.The present embodiment is respectively with frequently individual cell with macro base station and low power base station coverage cell, and macro base station and low power base station coverage cell merge and be attributed to two kinds, logic district application scenarios and be illustrated respectively.
As an embodiment of the present embodiment, macro base station and low power base station coverage cell are respectively with frequency individual cell, and do not initiate the situation of business for user, RNC preferentially accesses according to UE institute persistent district, and specific implementation is as follows:
First, two carrier waves of same frequency range are all at least configured with at macro base station and low power base station;
Then, RNC differentiation in system information broadcast arranges the cell reselection relevant parameter of macro base station community and low-power base station cell, makes macro base station cover the cell reselection strategies covered with low power base station and forms differentiation; According to above-mentioned cell reselection strategies, make the user of macro base station coverage cell and low power base station coverage cell preferentially resident in corresponding coverage cell, and the carrier wave making the user priority of the macro base station coverage cell resident carrier wave resident from the user priority of low power base station coverage cell is different;
Finally, set up wireless link on macro base station and the resident all preferential community resident user of Client-initiated business of low power base station, make macro base station and the low power base station business load on same carrier wave form difference.
More specifically, as shown in Figure 2 a, Fig. 2 a be in the embodiment of the present invention RNC according to the resident macro base station community of UE or low-power base station cell priority access policy map.
When macro base station and low power base station are all at least configured with two carrier wave of same frequency range, by differentiation in system information broadcast SIB11 or 12, F1 macrocell and F2 macrocell are set, the cell reselection relevant parameter Qhyst2s of F1 low power cell and F2 low power cell, offset2s, n, Sintersearch etc., the cell reselection strategies allowing grand covering and low-power cover forms differentiation, the carrier wave carrier wave resident from the user priority of the low power base station area of coverage realizing making the user priority of the macro base station area of coverage resident is different, such as: allow the user priority of the macro base station area of coverage reside in F1 community, the user priority of the low power base station area of coverage resides in F2 community.
RNC initiatively or on the preferential community resident user of business of passive initiation sets up wireless link for macro base station and the resident user of low power base station, realizes macro base station thus and the business load of low power base station on same carrier wave forms difference.
As the another kind of execution mode of the present embodiment, macro base station and low power base station coverage cell are respectively with frequency individual cell, for user to initiate the situation of business, RNC adopts different carrier wave priority access strategies according to the type of service difference of UE, and specific implementation is as follows:
First, two carrier waves of same frequency range are all at least configured with at macro base station and low power base station;
Then, the type of service of the resident user's active of macro base station and low power base station or passive initiation is obtained;
According to described macro base station and the resident user of low power base station initiatively or the type of service of passive initiation, described at least two carrier waves are selected corresponding resident community set up different customer services, form macro base station and the differentiated service load of low power base station on same carrier wave.
Present embodiment considers that macro base station covers the customer service type proportion covered with low power base station and may there are differences, and it is maximum that such as macro base station covers CS business proportion, and it is maximum that low-power focus covers PS business proportion.
More specifically, as shown in Figure 2 b, Fig. 2 b is that in the embodiment of the present invention, RNC adopts different carrier priority access policy map according to the type of service difference of UE.
When macro base station and low power base station are all at least configured with two carrier wave of same frequency range; RNC for macro base station and the resident user of low power base station initiatively or the type of service of passive initiation perform the access preference strategy of different carrier; such as: the CS territory business of the user of the macro base station area of coverage is based upon F1 community, the PS territory business of the user of the macro base station area of coverage is based upon F2 community; The CS territory business of the user of the low power base station area of coverage is based upon F2 community, and the PS territory business of the user of the low power base station area of coverage is based upon F1 community.
As another execution mode of the present embodiment, merge for macro base station and low power base station coverage cell and be attributed to a logic district, RNC adopts different carrier priority access strategy according to the diverse location that UE place macro base station covers and low power base station covers, and specific implementation is as follows:
First, two carrier waves of same frequency range are all at least configured with at macro base station and low power base station;
Then, judge that user is in the macro base station area of coverage or the low power base station area of coverage;
According to the position residing for judged user, for macro base station area of coverage user and low power base station area of coverage user select corresponding carrier cell to set up wireless link respectively, in Shi Tong community, the user load of macro base station covering position and the user load of low power base station covering position form differentiation.
Such as: for macro base station area of coverage user, RNC preferentially sets up wireless link on F1 carrier cell, for low power base station area of coverage user, RNC preferentially sets up wireless link on F2 carrier cell, in Shi Tong community, the user load of macro base station covering position and the user load of low power base station covering position form differentiation, reduce the co-channel interference in same community.
As another execution mode of the present embodiment, merge for macro base station and low power base station coverage cell and be attributed to a logic district, RNC covers and the diverse location that low power base station covers and different types of service and adopt different carrier priority access strategy according to UE place macro base station, and specific implementation is as follows:
First, two carrier waves of same frequency range are all at least configured with at macro base station and low power base station;
Then, judge that user is in the macro base station area of coverage or the low power base station area of coverage; And obtain the type of service of macro base station and low power base station area of coverage user active or passive initiation;
Position residing for judged user and Client-initiated type of service, for macro base station area of coverage user and low power base station area of coverage user select corresponding carrier cell to set up wireless link respectively, in Shi Tong community, the user load of macro base station covering position and the user load of low power base station covering position form differentiation.
Such as: the CS territory business of the user of the macro base station area of coverage is based upon F1 community, the PS territory business of the user of the macro base station area of coverage is based upon F2 community; The CS territory business of the user of the low power base station area of coverage is based upon F2 community, the PS territory business of the user of the low power base station area of coverage is based upon F1 community, in Shi Tong community, the user load of macro base station covering position and the user load of low power base station covering position form differentiation, reduce the co-channel interference in same community.
Present embodiment is consider that macro base station covers the customer service type proportion covered with low power base station and may there are differences equally, and it is maximum that such as macro base station covers CS business proportion, and it is maximum that low-power focus covers PS business proportion.
Compared to existing technology, the present embodiment, by such scheme, disturbs the probability causing customer service hydraulic performance decline when reducing grand micro-base station deployment low power base station mutually; Reduce the impact of the low power base station customer service hydraulic performance decline that the interference of the uneven district user of up-downgoing on low power base station between macro base station and low power base station brings, promote the business experience of low power base station user; In addition, also reduce the impact that a large amount of uplink interference of low power base station user on macro base station of disposing brings macro base station customer service hydraulic performance decline, promote the business experience of macro base station user; But also the descending co-channel interference of low power base station edge customer from macro base station and low power base station can be reduced.
As shown in Figure 3, one embodiment of the invention proposes a kind of device disposing low power base station in macrocell, comprising: configuration module 201 and policy enforcement module 202, wherein:
Configuration module 201, for all configuring at least two carrier waves of same frequency range at macro base station and low power base station;
Policy enforcement module 202, according to user present position and/or type of service, perform described macro base station and the different carrier wave priority access strategy of low power base station on described at least two carrier waves, form macro base station and the differentiated service load of low power base station on same carrier wave.
Wherein, low power base station can be Micro, Pico or Metro base station etc., because prior art is disposed with low power base station frequently in macrocell, can cause between macro base station and low power base station, producing very large interference, affect the customer service performance of macro base station and low power base station.
The present embodiment is the customer service performance promoting macro base station and low power base station, two carrier waves of same frequency range are all at least configured at macro base station and low power base station, for on access strategy, macro base station and the access preference strategy of low power base station on above-mentioned at least two carrier waves form difference or contrary, thus formation macro base station and the business load of low power base station on same carrier wave form difference, reduce the probability of low power base station and macro base station co-channel interference.
Particularly, the present embodiment can according to user present position and type of service, perform macro base station and the different carrier wave priority access strategy of low power base station on described at least two carrier waves, form macro base station and the differentiated service load of low power base station on same carrier wave.
At specific implementation macro base station and low power base station, the business load on same carrier wave is formed in difference target, can adopt various ways.The present embodiment is respectively with frequently individual cell with macro base station and low power base station coverage cell, and macro base station and low power base station coverage cell merge and be attributed to two kinds, logic district application scenarios and be illustrated respectively.
As shown in fig. 4 a, as an embodiment of the present embodiment, described macro base station and low power base station coverage cell are respectively with frequency individual cell; Do not initiate the situation of business for user, RNC preferentially accesses according to UE institute persistent district.
In present embodiment, described policy enforcement module 202 comprises: parameter set unit 2021, community resident element 2022 and the first business set up unit 2023, wherein:
Parameter set unit 2021, arranges the cell reselection relevant parameter of macro base station community and low-power base station cell for differentiation in system information broadcast, make macro base station cover the cell reselection strategies covered with low power base station and form differentiation;
Community resident element 2022, for according to described cell reselection strategies, make the user of macro base station coverage cell and low power base station coverage cell preferentially resident in corresponding coverage cell, and the carrier wave making the user priority of the macro base station coverage cell resident carrier wave resident from the user priority of low power base station coverage cell is different;
First business sets up unit 2023, for setting up wireless link on macro base station and the resident all preferential community resident user of Client-initiated business of low power base station, makes macro base station and the low power base station business load on same carrier wave form difference.
More specifically, as shown in Figure 2 a, Fig. 2 a be in the embodiment of the present invention RNC according to the resident macro base station community of UE or low-power base station cell priority access policy map.
When macro base station and low power base station are all at least configured with two carrier wave of same frequency range, by differentiation in system information broadcast SIB11 or 12, F1 macrocell and F2 macrocell are set, the cell reselection relevant parameter Qhyst2s of F1 low power cell and F2 low power cell, offset2s, n, Sintersearch etc., the cell reselection strategies allowing grand covering and low-power cover forms differentiation, the carrier wave carrier wave resident from the user priority of the low power base station area of coverage realizing making the user priority of the macro base station area of coverage resident is different, such as: allow the user priority of the macro base station area of coverage reside in F1 community, the user priority of the low power base station area of coverage resides in F2 community.
RNC initiatively or on the preferential community resident user of business of passive initiation sets up wireless link for macro base station and the resident user of low power base station, realizes macro base station thus and the business load of low power base station on same carrier wave forms difference.
As shown in Figure 4 b, as the another kind of execution mode of the present embodiment, described macro base station and low power base station coverage cell are respectively with frequency individual cell; For user to initiate the situation of business, RNC adopts different carrier wave priority access strategies according to the type of service difference of UE.
In the present embodiment, described policy enforcement module 202 comprises: type of service acquiring unit 2024 and the second business set up unit 2025, wherein:
Type of service acquiring unit 2024, for obtaining macro base station and the resident user of low power base station initiatively or the type of service of passive initiation;
Second business sets up unit 2025, for according to described macro base station and the resident user of low power base station initiatively or the type of service of passive initiation, described at least two carrier waves are selected corresponding resident community set up different customer services, form macro base station and the differentiated service load of low power base station on same carrier wave.
Present embodiment considers that macro base station covers the customer service type proportion covered with low power base station and may there are differences, and it is maximum that such as macro base station covers CS business proportion, and it is maximum that low-power focus covers PS business proportion.
More specifically, as shown in Figure 2 b, Fig. 2 b is that in the embodiment of the present invention, RNC adopts different carrier priority access policy map according to the type of service difference of UE.
When macro base station and low power base station are all at least configured with two carrier wave of same frequency range; RNC for macro base station and the resident user of low power base station initiatively or the type of service of passive initiation perform the access preference strategy of different carrier; such as: the CS territory business of the user of the macro base station area of coverage is based upon F1 community, the PS territory business of the user of the macro base station area of coverage is based upon F2 community; The CS territory business of the user of the low power base station area of coverage is based upon F2 community, and the PS territory business of the user of the low power base station area of coverage is based upon F1 community.
As illustrated in fig. 4 c, as another execution mode of the present embodiment, described macro base station and low power base station coverage cell merge and are attributed to a logic district; RNC covers and the diverse location that low power base station covers and different types of service and adopt different carrier priority access strategy according to UE place macro base station.
In the present embodiment, described policy enforcement module 202 comprises: judging unit 2026 and the 3rd business set up unit 2027, wherein:
Judging unit 2026, for judging that user is in the macro base station area of coverage or the low power base station area of coverage; And obtain the type of service of macro base station and low power base station area of coverage user active or passive initiation;
3rd business sets up unit 2027, for the position residing for judged user and Client-initiated type of service, for macro base station area of coverage user and low power base station area of coverage user select corresponding carrier cell to set up wireless link respectively, in Shi Tong community, the user load of macro base station covering position and the user load of low power base station covering position form differentiation.
Such as: the CS territory business of the user of the macro base station area of coverage is based upon F1 community, the PS territory business of the user of the macro base station area of coverage is based upon F2 community; The CS territory business of the user of the low power base station area of coverage is based upon F2 community, the PS territory business of the user of the low power base station area of coverage is based upon F1 community, formed and form differentiation with the user load of macro base station covering position in community and the user load of low power base station covering position, reduce the co-channel interference in same community.
Present embodiment is consider that macro base station covers the customer service type proportion covered with low power base station and may there are differences equally, and it is maximum that such as macro base station covers CS business proportion, and it is maximum that low-power focus covers PS business proportion.
As another execution mode of the present embodiment, the policy enforcement module 202 shown in Fig. 4 c can be adopted, in this embodiment, merge for macro base station and low power base station coverage cell and be attributed to a logic district, RNC adopts different carrier priority access strategy according to the diverse location that UE place macro base station covers and low power base station covers, and specific implementation is as follows:
First, two carrier waves of same frequency range are all at least configured with at macro base station and low power base station;
Then, judge that user is in the macro base station area of coverage or the low power base station area of coverage;
According to the position residing for judged user, for macro base station area of coverage user and low power base station area of coverage user select corresponding carrier cell to set up wireless link respectively, in Shi Tong community, the user load of macro base station covering position and the user load of low power base station covering position form differentiation.
Such as: for macro base station area of coverage user, RNC preferentially sets up wireless link on F1 carrier cell, for low power base station area of coverage user, RNC preferentially sets up wireless link on F2 carrier cell, in Shi Tong community, the user load of macro base station covering position and the user load of low power base station covering position form differentiation, reduce the co-channel interference in same community.
Compared to existing technology, the present embodiment, by such scheme, disturbs the probability causing customer service hydraulic performance decline when reducing grand micro-base station deployment low power base station mutually; Reduce the impact of the low power base station customer service hydraulic performance decline that the interference of the uneven district user of up-downgoing on low power base station between macro base station and low power base station brings, promote the business experience of low power base station user; In addition, also reduce the impact that a large amount of uplink interference of low power base station user on macro base station of disposing brings macro base station customer service hydraulic performance decline, promote the business experience of macro base station user; But also the descending co-channel interference of low power base station edge customer from macro base station and low power base station can be reduced.
In addition, one embodiment of the invention also proposes a kind of RNC, comprises the device described in above-described embodiment, does not repeat them here.
The embodiment of the present invention disposes the method for low power base station, device and RNC in macrocell, by when macro base station and low power base station are all at least configured with two carrier wave of same frequency range, for on access strategy, macro base station and low power base station at least two with the access preference strategy on frequency range carrier wave being formed difference or contrary, thus formation macro base station and the business load of low power base station on same carrier wave form difference, reduce the probability of low power base station and macro base station co-channel interference, promote the customer service performance of macro base station and low power base station.
The foregoing is only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (11)
1. in macrocell, dispose a method for low power base station, it is characterized in that, comprising:
At least two carrier waves of same frequency range are all configured at macro base station and low power base station;
According to user present position and/or type of service, perform described macro base station and the different carrier wave priority access strategy of low power base station on described at least two carrier waves, form macro base station and the differentiated service load of low power base station on same carrier wave.
2. method according to claim 1, is characterized in that, described macro base station and low power base station coverage cell are respectively with frequency individual cell; Described according to user present position, perform described macro base station and the different carrier wave priority access strategy of low power base station on described at least two carrier waves, the step forming macro base station and the differentiated service load of low power base station on same carrier wave comprises:
In system information broadcast, differentiation arranges the cell reselection relevant parameter of macro base station community and low-power base station cell, makes macro base station cover the cell reselection strategies covered with low power base station and forms differentiation;
According to described cell reselection strategies, make the user of macro base station coverage cell and low power base station coverage cell preferentially resident in corresponding coverage cell, and the carrier wave making the user priority of the macro base station coverage cell resident carrier wave resident from the user priority of low power base station coverage cell is different;
Set up wireless link on macro base station and the resident all preferential community resident user of Client-initiated business of low power base station, make macro base station and the low power base station business load on same carrier wave form difference.
3. method according to claim 1, is characterized in that, described macro base station and low power base station coverage cell are respectively with frequency individual cell; Described according to customer service type, perform described macro base station and the different carrier wave priority access strategy of low power base station on described at least two carrier waves, the step forming macro base station and the differentiated service load of low power base station on same carrier wave comprises:
Obtain the type of service of the resident user's active of macro base station and low power base station or passive initiation;
According to described macro base station and the resident user of low power base station initiatively or the type of service of passive initiation, described at least two carrier waves are selected corresponding resident community set up different customer services, form macro base station and the differentiated service load of low power base station on same carrier wave.
4. method according to claim 1, is characterized in that, described macro base station and low power base station coverage cell merge and be attributed to a logic district; Described according to user present position, perform described macro base station and the different carrier wave priority access strategy of low power base station on described at least two carrier waves, the step forming macro base station and the differentiated service load of low power base station on same carrier wave comprises:
Judge that user is in the macro base station area of coverage or the low power base station area of coverage;
According to the position residing for judged user, for macro base station area of coverage user and low power base station area of coverage user select corresponding carrier cell to set up wireless link respectively, in Shi Tong community, the user load of macro base station covering position and the user load of low power base station covering position form differentiation.
5. method according to claim 1, is characterized in that, described macro base station and low power base station coverage cell merge and be attributed to a logic district; Described according to user present position and customer service type, perform described macro base station and the different carrier wave priority access strategy of low power base station on described at least two carrier waves, the step forming macro base station and the differentiated service load of low power base station on same carrier wave comprises:
Judge that user is in the macro base station area of coverage or the low power base station area of coverage; And obtain the type of service of macro base station and low power base station area of coverage user active or passive initiation;
Position residing for judged user and Client-initiated type of service, for macro base station area of coverage user and low power base station area of coverage user select corresponding carrier cell to set up wireless link respectively, in Shi Tong community, the user load of macro base station covering position and the user load of low power base station covering position form differentiation.
6. in macrocell, dispose a device for low power base station, it is characterized in that, comprising:
Configuration module, for all configuring at least two carrier waves of same frequency range at macro base station and low power base station;
Policy enforcement module, according to user present position and/or type of service, perform described macro base station and the different carrier wave priority access strategy of low power base station on described at least two carrier waves, form macro base station and the differentiated service load of low power base station on same carrier wave.
7. method according to claim 6, is characterized in that, described macro base station and low power base station coverage cell are respectively with frequency individual cell; Described policy enforcement module comprises:
Parameter set unit, arranges the cell reselection relevant parameter of macro base station community and low-power base station cell for differentiation in system information broadcast, make macro base station cover the cell reselection strategies covered with low power base station and form differentiation;
Community resident element, for according to described cell reselection strategies, make the user of macro base station coverage cell and low power base station coverage cell preferentially resident in corresponding coverage cell, and the carrier wave making the user priority of the macro base station coverage cell resident carrier wave resident from the user priority of low power base station coverage cell is different;
First business sets up unit, for setting up wireless link on macro base station and the resident all preferential community resident user of Client-initiated business of low power base station, makes macro base station and the low power base station business load on same carrier wave form difference.
8. method according to claim 6, is characterized in that, described macro base station and low power base station coverage cell are respectively with frequency individual cell; Described policy enforcement module comprises:
Type of service acquiring unit, for obtaining macro base station and the resident user of low power base station initiatively or the type of service of passive initiation;
Second business sets up unit, for according to described macro base station and the resident user of low power base station initiatively or the type of service of passive initiation, described at least two carrier waves are selected corresponding resident community set up different customer services, form macro base station and the differentiated service load of low power base station on same carrier wave.
9. method according to claim 6, is characterized in that, described macro base station and low power base station coverage cell merge and be attributed to a logic district; Described policy enforcement module comprises:
Judging unit, for judging that user is in the macro base station area of coverage or the low power base station area of coverage; And obtain macro base station and the low power base station area of coverage;
3rd business sets up unit, for the position residing for judged user, for macro base station area of coverage user and low power base station area of coverage user select corresponding carrier cell to set up wireless link respectively, in Shi Tong community, the user load of macro base station covering position and the user load of low power base station covering position form differentiation.
10. method according to claim 9, is characterized in that,
Described judging unit, also for judging that user is in the macro base station area of coverage or the low power base station area of coverage; And obtain the type of service of macro base station and low power base station area of coverage user active or passive initiation;
Described 3rd business sets up unit, also for the position residing for judged user and Client-initiated type of service, for macro base station area of coverage user and low power base station area of coverage user select corresponding carrier cell to set up wireless link respectively, in Shi Tong community, the user load of macro base station covering position and the user load of low power base station covering position form differentiation.
11. 1 kinds of RNC, is characterized in that, comprise the device according to any one of claim 6-10.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310213147.4A CN104219728A (en) | 2013-05-31 | 2013-05-31 | Method, device and RNC (radio network controller) for deploying low-power base station in macro cell |
| PCT/CN2013/080356 WO2013174350A2 (en) | 2013-05-31 | 2013-07-29 | Method and device for deploying low-power base station in macro-cell and rnc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310213147.4A CN104219728A (en) | 2013-05-31 | 2013-05-31 | Method, device and RNC (radio network controller) for deploying low-power base station in macro cell |
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| CN104219728A true CN104219728A (en) | 2014-12-17 |
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| CN109151844A (en) * | 2017-06-15 | 2019-01-04 | 中兴通讯股份有限公司 | Method, terminal and the system communicated between a kind of terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107846727B (en) * | 2016-09-21 | 2021-01-15 | 中国移动通信有限公司研究院 | Power control method and device |
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| WO2013174350A3 (en) | 2014-04-24 |
| WO2013174350A2 (en) | 2013-11-28 |
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