CN106332288A - Multi-carrier aggregation network configuration method, device and corresponding network - Google Patents
Multi-carrier aggregation network configuration method, device and corresponding network Download PDFInfo
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- CN106332288A CN106332288A CN201510380945.5A CN201510380945A CN106332288A CN 106332288 A CN106332288 A CN 106332288A CN 201510380945 A CN201510380945 A CN 201510380945A CN 106332288 A CN106332288 A CN 106332288A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
Abstract
The invention provides a multi-carrier aggregation network configuration method comprising the following steps: for a multi-carrier aggregation network, configuring coverage component carriers CC of one or more sectors, wherein the coverage CCs configured for any two adjacent sectors are different; and performing main carrier distribution and CC resource scheduling in the one or more sectors. Through the scheme, the problem of same-frequency interference in the traditional networking scene is solved. The largest carrier resource used by any UE is at least one CC, and carrier aggregation can be carried out in the center and edge areas of each sector. Thus, effective utilization of frequency spectrum is achieved, and the throughput performance of the whole network is improved.
Description
Technical field
The present invention relates to originally relate to LTE (Long Term Evolution, Long Term Evolution) system regions, especially
It relates to the method and device of a kind of networking in LTE-A (LTE-Advance).
Background technology
In order to meet peak-rate requirements, LTE-A currently supports maximum 100MHz bandwidth, but existing
Some usable spectrum resources are difficult to find the biggest bandwidth, and big bandwidth is for base station and terminal
Hardware designs brings the biggest difficulty.Additionally, for being dispersed in the frequency spectrum resource in multiple frequency range, need one badly
The technology of kind fully utilizes them.Based on above-mentioned consideration, LTE-A introduces CA (Carrier
Aggregation, carrier aggregation) this key technology.
CA is to meet the bigger bandwidth demand of LTE-A and can keep the indispensable skill to LTE backwards compatibility
Art.At present, the maximum bandwidth that LTE supports is 20MHz, and LTE-A is multiple backward to LTE by polymerization
Compatible carrier wave can support maximum 100MHz bandwidth.Receiving ability is more than the LTE-A UE of 20MHz
(UserEquipment, terminal unit) can receive multiple member carrier simultaneously, and to LTE Rel.8 and
The terminal of Rel.9, it is also possible to normally receive one of them member carrier.
CA refers to that base station is by 2 or greater number of CC (Component Carrier becomes sub-carrier)
Gather together and provide service for UE together.Specifying according to the agreement of LTE Rel.10, CA is polymerisable
CC number is up to 5, each most 20MHz, and frequency can be close to also can be spaced apart.CA gathers
In the CC closed, the carrier wave maintaining RRC to be connected with UE is referred to as main carrier (PCC) or is main little
District (PCell);Carrier wave in addition to main carrier is referred to as auxiliary carrier wave (SCC) or is secondary cell (SCell).
Five kinds of typical networking scene of CA defined in 3GPP 36.300 agreement, as shown in Figures 1 to 5.
Specifically: scene shown in Fig. 1 is to cover essentially identical intercarrier to be polymerized;Scene shown in Fig. 2 is
The intercarrier that coverage differs is polymerized;Scene shown in Fig. 3 is the load that coverage mutually overlaps
It is polymerized between ripple;Scene shown in Fig. 4 is grand covering carrier wave and RRH zooms out covering carrier wave and is polymerized;
The carrier wave that scene shown in Fig. 5 is grand covering carrier wave and Repeater is extended covering is polymerized.
In above-mentioned five kinds of networking scene, neighbor cell is with frequency, with Rel.8 when being not introduced into carrier aggregation
The same with the identical networking scene of Rel.9 certainly exist stronger presence of intercell interference.Continue to use Rel.8 and Rel.9
The thinking of middle solution co-channel interference, can carry out frequency band division respectively to each CC.Usually, by each
CC is divided into three parts, it is ensured that in three adjacent communities, and the edge customer of each community is only capable of using often
The partial-band of individual CC, and the frequency band non-overlapping copies that the edge customer of each community uses, to reach to suppress little
The purpose of interval interference, as shown in Figure 6.
When the above-mentioned method that each CC carries out frequency band division is applied to carrier aggregation system, it is primarily present down
State problem:
The first, for Rel.8 and the Rel.9 terminal only supporting single carrier of access carrier paradigmatic system, by
In it can only reside in a CC, when this Terminal Type is positioned at cell edge, it can only use some
The component frequency resource of CC.So for this part terminal, it is difficult to promote its property by carrier aggregation
Can gain.
The second, in carrier aggregation for each CC carry out frequency partition can cause process complexity, especially when
When the carrier number of polymerization is more, this process complexity just becomes apparent from.
Summary of the invention:
The present invention provides collocation method, device and the corresponding network of a kind of multi-carrier polymerizing network, to solve
The problem of co-channel interference.
For solving above-mentioned technical problem, the present invention provides a kind of method of multi-carrier polymerizing network configuration, institute
The method of stating includes:
For multi-carrier polymerizing network, the covering configuring one or more sector becomes sub-carrier CC;
Wherein, the covering CC configured by the sector of arbitrary neighborhood is different;
Distribution and the scheduling of resource of each CC of main carrier is carried out in the one or more sector.
Preferably,
Also include before carrying out the distribution of main carrier and the scheduling of resource of each CC in each sector:
For covering the networking parameter of other CC beyond CC described at least one sector configuration, make adjacent fan
District is the most overlapping with the coverage of the same frequency CC of this sector, and at least one in other CC described can
Cover the central area of this sector.
Preferably,
Also include before carrying out the distribution of main carrier and the scheduling of resource of each CC in each sector:
It is respectively configured the networking parameter of the covering CC of each sector, enables the covering CC of each sector to cover this
Sector, and the coverage existence overlap of adjacent sectors.
Preferably,
Described networking parameter includes: power parameter and/or antenna parameter.
Preferably,
The scheduling of resource of the described distribution carrying out main carrier in one or more sectors and each CC includes:
The load covering CC and other CC according to each sector carries out the distribution of main carrier and the resource of each CC
Scheduling.
Preferably,
After configuration there is multiple CC for carrier aggregation in central area and the marginal area of each sector.
The present invention also provides for the device of a kind of multi-carrier polymerizing network configuration, and described device includes:
Configuration module, for for multi-carrier polymerizing network, configures the covering composition of one or more sector
Carrier wave CC;
Wherein, the covering CC configured by the sector of arbitrary neighborhood is different;
Distribution module, for carrying out distribution and the money of each CC of main carrier in the one or more sector
Source is dispatched.
Preferably,
Described configuration module is additionally operable to other CC's beyond for covering CC described at least one sector configuration
Networking parameter, makes adjacent sectors the most overlapping with the coverage of the same frequency CC of this sector, and described other
At least one in CC can cover the central area of this sector.
Preferably,
Described configuration module is additionally operable to be respectively configured the networking parameter of the covering CC of each sector, makes each sector
Cover CC and can cover this sector, and the coverage of adjacent sectors exists overlap;.
Preferably,
Described networking parameter includes: power parameter and/or antenna parameter.
Preferably,
Described distribution module is additionally operable to cover according to each sector the load of CC and other CC and carries out main carrier
Distribution and the scheduling of resource of each CC.
Preferably,
After the configuration of described configuration module, central area and the marginal area of each sector exist multiple poly-for carrier wave
The CC closed.
The present invention also provides for a kind of multi-carrier polymerizing network, and described network includes:
The covering of one or more sectors becomes sub-carrier CC;
Wherein, the covering CC that the sector of arbitrary neighborhood is configured is different.
Preferably,
At least one sector also includes the same frequency covering other CC beyond CC, adjacent sectors and this sector
The coverage of CC is the most overlapping, and at least one in other CC can cover the center of this sector
Territory.
Preferably,
The covering CC of each sector can cover this sector, and the coverage of adjacent sectors exists overlap.
Preferably,
Described networking parameter includes: power parameter and/or antenna parameter.
Preferably,
The scheduling of resource of the described distribution carrying out main carrier in one or more sectors and each CC includes:
The load covering CC and other CC according to each sector carries out the distribution of main carrier and the resource of each CC
Scheduling.
Preferably,
There is multiple CC for carrier aggregation in the central area of each sector of described network and marginal area.
Such scheme solves the problem of co-channel interference of tradition networking scene, simultaneously for any UE its
Big spendable carrier resource is at least a CC, and for the center and peripheral region of each sector
All can carry out carrier aggregation, thus reach effectively to utilize spectrum efficiency, improve whole network throughput performance
Purpose.
Accompanying drawing explanation
Fig. 1 is to cover the schematic diagram that essentially identical intercarrier carries out being polymerized;
Fig. 2 is the schematic diagram that the intercarrier that coverage differs carries out being polymerized;
Fig. 3 is the schematic diagram that the intercarrier that coverage mutually overlaps carries out being polymerized;
Fig. 4 is grand covering carrier wave and RRH zooms out and covers the schematic diagram that carrier wave carries out being polymerized;
The carrier wave that Fig. 5 is grand covering carrier wave and Repeater is extended covering carries out the schematic diagram being polymerized;
Fig. 6 is the schematic diagram that tradition solves the strategy of co-frequency cell interference;
Fig. 7 is the flow chart of the multi-carrier polymerizing network collocating method in the embodiment of the present invention one;
Fig. 8 is the structural representation of the device of the multi-carrier polymerizing network configuration in the embodiment of the present invention one;
Fig. 9 is the schematic diagram of multi-carrier polymerizing network configuration in the embodiment of the present invention two;
Figure 10 is the flow chart of the multi-carrier polymerizing network collocating method in the embodiment of the present invention two.
Detailed description of the invention
For making the purpose of the application, technical scheme and advantage clearer, below in conjunction with accompanying drawing
Embodiments herein is described in detail.It should be noted that in the case of not conflicting, this Shen
Embodiment in please and the feature in embodiment can mutual combination in any.
Embodiment one
As it is shown in fig. 7, a kind of method that the present invention provides multicarrier network aggregation configuration, described method bag
Include:
Step S11: for multi-carrier polymerizing network, the covering configuring one or more sector becomes sub-carrier
CC;
Wherein, the covering CC configured by the sector of arbitrary neighborhood is different;
Step S13: the resource of the distribution and each CC that carry out main carrier in the one or more sector is adjusted
Degree.
Concrete, the load covering CC and other CC according to each sector carries out the distribution of main carrier with each
The scheduling of resource of CC.
Preferably, also include before step S13:
For covering the networking parameter of other CC beyond CC described at least one sector configuration, make adjacent fan
District is the most overlapping with the coverage of the same frequency CC of this sector, and at least one in other CC described can
Cover the central area of this sector.
Preferably, also include before step S13:
It is respectively configured the networking parameter of the covering CC of each sector, enables the covering CC of each sector to cover this
Sector, and the coverage existence overlap of adjacent sectors.
In the present embodiment, networking parameter can include power parameter and/or antenna parameter etc..
In the present embodiment, central area and the marginal area of each sector after configuration exists multiple for carrying
The CC of ripple polymerization.Above-mentioned configuration makes multiple CC can carry out carrier aggregation, meanwhile, in each sector
The heart transitional region former to edge is probably single CC, it is also possible to realize many CC.
As shown in Figure 8, the present embodiment also provides for the device of a kind of multi-carrier polymerizing network configuration, described dress
Put and include:
Configuration module 11, for for multi-carrier polymerizing network, the covering configuring one or more sector becomes
Sub-carrier CC;
Wherein, the covering CC configured by the sector of arbitrary neighborhood is different;
Distribution module 12, for carrying out the distribution of main carrier and each CC in the one or more sector
Scheduling of resource.
Preferably,
Described configuration module 11 is additionally operable to as covering other CC beyond CC described at least one sector configuration
Networking parameter, make adjacent sectors the most overlapping with the coverage of the same frequency CC of this sector, and described other
At least one in CC can cover the central area of this sector.
Preferably,
Described configuration module 11 is additionally operable to be respectively configured the networking parameter of the covering CC of each sector, makes each fan
The covering CC in district can cover this sector, and the coverage of adjacent sectors exists overlap;.
Preferably, described networking parameter includes: power parameter and/or antenna parameter.
Preferably,
Described distribution module 12 is additionally operable to cover according to each sector the load of CC and other CC and carries out main load
The distribution of ripple and the scheduling of resource of each CC.
Preferably,
After the configuration of described configuration module 11, central area and the marginal area of each sector exist multiple for carrier wave
The CC of polymerization.
The present embodiment also provides for a kind of multi-carrier polymerizing network, and described network includes:
The covering of one or more sectors becomes sub-carrier CC;
Wherein, the covering CC that the sector of arbitrary neighborhood is configured is different.
Preferably,
At least one sector also includes the same frequency covering other CC beyond CC, adjacent sectors and this sector
The coverage of CC is the most overlapping, and at least one in other CC can cover the center of this sector
Territory.
Preferably,
The covering CC of each sector can cover this sector, and the coverage of adjacent sectors exists overlap.
Preferably,
Described networking parameter includes: power parameter and/or antenna parameter.
Preferably,
The scheduling of resource of the described distribution carrying out main carrier in one or more sectors and each CC includes:
The load covering CC and other CC according to each sector carries out the distribution of main carrier and the resource of each CC
Scheduling.
Preferably,
There is multiple CC for carrier aggregation in the central area of each sector of described network and marginal area.
Embodiment two
Below as a example by 3 carrier aggregation scenes, further illustrate technical scheme.
Fig. 9 show and carries out showing of networking according to network-building method of the present invention for 3 carrier aggregation networks
It is intended to.Figure includes 7 sectors of numbered 1~7 altogether: the covering CC of No. 1 sector is CC1;2、4、
The covering CC of No. 6 sectors is CC2;3, the covering CC of 5, No. 7 sectors is CC3.So for often
Its covering CC inequality of 3 adjacent sectors, as adjacent in No. 1, No. 2 and No. 3 sectors, it covers CC
Different;For another example No. 1, No. 2 and No. 7 sectors are adjacent, and it is different that it covers CC.In figure each
Other CC, configurable UE that the center and peripheral region of sector all exists in addition to covering CC carry out carrier wave
Polymerization scheduling is to promote systematic function.
As shown in Figure 10, in the present embodiment, can enter according to below scheme for 3 carrier aggregation networks
Row configuration:
Step S801: for the carrier aggregation network that available carrier wave is CC1, CC2, CC3, every 3
Adjacent sectors is one group, and each sector determines that a CC, to ensure the coverage of this sector, is determined respectively
The covering CC inequality of every 3 adjacent sectors.
Step S802: for arbitrary sector, by configuring transmitting power, the adjustment covering CC covering CC
The mode such as antenna direction, reach to ensure the purpose of this sector coverage, ensure adjacent 3 simultaneously
The coverage of individual sector exists overlapping to avoid coverage hole.
Step S803: for arbitrary sector, in addition to covering CC, configure other CC transmitting power,
Adjust the antenna direction of other CC, so that there is not the same frequency CC covering model of adjacent sectors and this sector
Cross the phenomenon of existing overlap, ensure to exist in the central area of each sector carrier aggregation other simultaneously
CC。
By above-mentioned configuration, so that the UE that sector centers and marginal area access allows in UE ability
Time all can configure multicarrier;Sector centers only configures single carrier to the UE of the transitional region access at edge.
Step S804: in arbitrary sector, UE selects its detected CC to access.
For the central area of arbitrary sector in this step, UE may access the covering CC of this sector, also
May access non-covered CC, no matter which CC UE accesses, as long as UE ability allows, all can configure many
Carrier wave carries out carrier aggregation scheduling.
Consider the load condition of each CC in step S805, each sector and carry out the distribution of PCC and each
The scheduling of resource of CC.
Due to the coverage of covering CC of each sector coverage relative to other CC in sector
Greatly, when therefore UE actively selects to access, the UE in sector-edge region all can access covering CC, so
Cause to cover the CC UE as PCC too much, thus easily cause the uplink and downlink covered on CC and control
The anxieties such as channel resource and SPS resource, therefore the UE for sector centers region can be according to the money of each CC
Source utilization power is controlled the PCC distribution of each UE by base station, the most if desired by cover CC as PCC
UE switches on other CC, and covering CC is configured to its SCC.Additionally, connect on CC when covering
When entering the more UE not supporting carrier aggregation, cover the traffic channel resource on CC also the most not enough,
For solving this problem, for supporting that the UE of carrier aggregation can be more when the resource covering CC is more nervous
On other CC, take resource.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for this
For the technical staff in field, the present invention can have various modifications and variations.All spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement etc. made, should be included in the protection of the present invention
Within the scope of.One of ordinary skill in the art will appreciate that all or part of step in said method can be led to
Program of crossing completes to instruct related hardware, and described program can be stored in computer-readable recording medium,
Such as read only memory, disk or CD etc..Alternatively, all or part of step of above-described embodiment also may be used
To use one or more integrated circuits to realize, correspondingly, each module/module in above-described embodiment can
To use the form of hardware to realize, it would however also be possible to employ the form of software function module realizes.The application does not limits
It is formed on the combination of the hardware and software of any particular form.
Claims (18)
1. the method for a multi-carrier polymerizing network configuration, it is characterised in that described method includes:
For multi-carrier polymerizing network, the covering configuring one or more sector becomes sub-carrier CC;
Wherein, the covering CC configured by the sector of arbitrary neighborhood is different;
Distribution and the scheduling of resource of each CC of main carrier is carried out in the one or more sector.
2. the method for claim 1, it is characterised in that carry out dividing of main carrier in each sector
Join and also include before the scheduling of resource of each CC:
For covering the networking parameter of other CC beyond CC described at least one sector configuration, make adjacent
Sector is the most overlapping with the coverage of the same frequency CC of this sector, and at least one in other CC described
The central area of this sector can be covered.
3. the method for claim 1, it is characterised in that carry out dividing of main carrier in each sector
Join and also include before the scheduling of resource of each CC:
It is respectively configured the networking parameter of the covering CC of each sector, enables the covering CC of each sector to cover
This sector, and the coverage existence overlap of adjacent sectors.
4. method as claimed in claim 2 or claim 3, it is characterised in that: described networking parameter includes:
Power parameter and/or antenna parameter.
5. method as claimed in claim 4, it is characterised in that described enter in one or more sectors
The distribution of row main carrier and the scheduling of resource of each CC include:
The load covering CC and other CC according to each sector carries out the distribution of main carrier and the money of each CC
Source is dispatched.
6. method as claimed in claim 5, it is characterised in that:
After configuration there is multiple CC for carrier aggregation in central area and the marginal area of each sector.
7. the device of a multi-carrier polymerizing network configuration, it is characterised in that described device includes:
Configuration module, for for multi-carrier polymerizing network, configures the covering composition of one or more sector
Carrier wave CC;
Wherein, the covering CC configured by the sector of arbitrary neighborhood is different;
Distribution module, for carrying out the distribution of main carrier with each CC's in the one or more sector
Scheduling of resource.
8. device as claimed in claim 7, it is characterised in that:
Described configuration module is additionally operable to as covering other CC beyond CC described at least one sector configuration
Networking parameter, make adjacent sectors the most overlapping with the coverage of the same frequency CC of this sector, and described its
At least one in its CC can cover the central area of this sector.
9. device as claimed in claim 7, it is characterised in that:
Described configuration module is additionally operable to be respectively configured the networking parameter of the covering CC of each sector, makes each sector
Covering CC can cover this sector, and there is overlap in the coverage of adjacent sectors;.
10. device as claimed in claim 8 or 9, it is characterised in that: described networking parameter includes:
Power parameter and/or antenna parameter.
11. devices as claimed in claim 10, it is characterised in that:
Described distribution module is additionally operable to cover according to each sector the load of CC and other CC and carries out main carrier
Distribution and the scheduling of resource of each CC.
12. methods as claimed in claim 11, it is characterised in that:
After the configuration of described configuration module, central area and the marginal area of each sector exist multiple poly-for carrier wave
The CC closed.
13. 1 kinds of multi-carrier polymerizing networks, it is characterised in that described network includes:
The covering of one or more sectors becomes sub-carrier CC;
Wherein, the covering CC that the sector of arbitrary neighborhood is configured is different.
14. networks as claimed in claim 13, it is characterised in that:
At least one sector also includes the same frequency covering other CC beyond CC, adjacent sectors and this sector
The coverage of CC is the most overlapping, and at least one in other CC can cover the center of this sector
Territory.
15. networks as claimed in claim 13, it is characterised in that:
The covering CC of each sector can cover this sector, and the coverage of adjacent sectors exists overlap.
16. networks as described in claims 14 or 15, it is characterised in that: described networking parameter includes:
Power parameter and/or antenna parameter.
17. networks as claimed in claim 16, it is characterised in that described in one or more sectors
The scheduling of resource of the distribution and each CC that carry out main carrier includes:
The load covering CC and other CC according to each sector carries out the distribution of main carrier and the money of each CC
Source is dispatched.
18. methods as claimed in claim 17, it is characterised in that:
There is multiple CC for carrier aggregation in the central area of each sector of described network and marginal area.
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CN201510380945.5A CN106332288A (en) | 2015-07-01 | 2015-07-01 | Multi-carrier aggregation network configuration method, device and corresponding network |
PCT/CN2016/073933 WO2016165469A1 (en) | 2015-07-01 | 2016-02-17 | Method, device for configuring multi-carrier aggregation network and corresponding network |
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CN101155417A (en) * | 2006-09-30 | 2008-04-02 | 联想(北京)有限公司 | Channel resource allocation method and device for cellular system |
CN102067646A (en) * | 2008-06-17 | 2011-05-18 | Nec欧洲有限公司 | Method of subcarrier allocation in an OFDMA-based communication network and network |
CN103220719A (en) * | 2012-01-20 | 2013-07-24 | 普天信息技术研究院有限公司 | Carrier resource planning method under carrier aggregation scene |
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- 2015-07-01 CN CN201510380945.5A patent/CN106332288A/en active Pending
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- 2016-02-17 WO PCT/CN2016/073933 patent/WO2016165469A1/en active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101155417A (en) * | 2006-09-30 | 2008-04-02 | 联想(北京)有限公司 | Channel resource allocation method and device for cellular system |
CN102067646A (en) * | 2008-06-17 | 2011-05-18 | Nec欧洲有限公司 | Method of subcarrier allocation in an OFDMA-based communication network and network |
CN103220719A (en) * | 2012-01-20 | 2013-07-24 | 普天信息技术研究院有限公司 | Carrier resource planning method under carrier aggregation scene |
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