CN104244415A - Method for configuring enhanced physical downlink control channels - Google Patents
Method for configuring enhanced physical downlink control channels Download PDFInfo
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- CN104244415A CN104244415A CN201310244338.7A CN201310244338A CN104244415A CN 104244415 A CN104244415 A CN 104244415A CN 201310244338 A CN201310244338 A CN 201310244338A CN 104244415 A CN104244415 A CN 104244415A
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Abstract
The invention discloses a method for configuring enhanced physical downlink control channels in a base station of an LTE-A wireless communication system. The LTE-A wireless communication system comprises a first base station group and a second base station group, wherein each base station group comprises at least one base station. The method comprises the steps that each base station in the first base station group receives first messages sent by each base station in the second base station group, wherein each first message contains the information indicating a resource used by the enhanced physical downlink control channel of the corresponding base station in the second base station group; each base station in the first base station group configures the corresponding enhanced physical downlink control channel according to all the received messages.
Description
Technical field
The present invention relates to wireless communication technology field, particularly relate to LTE-A technical field.
Background technology
In recent years, at wireless communication field, presence of intercell interference (Inter-Cell Interference) is considered to the major issue affecting communication quality all the time.Especially, when the heterogeneous network (heterogeneousnetwork) that macro base station (macro-cell) covers micro-base station (pico-cell) is disposed, this problem is more obvious.Recently, 3GPP organizes and just carries out for next generation wireless communication technical standard, the discussion of LTE-A, one of them important issue strengthens the design of Physical Downlink Control Channel (enhanced physical downlink controlchannel is abbreviated as ePDCCH) exactly.And what take due to ePDCCH is the region of physical down service channel in traditional LTE system (physical downlink service channel is abbreviated as PDSCH), therefore how to reduce the interference between the ePDCCH of minizone, when designing ePDCCH with regard to becoming, one needs the problem considered.
Figure 1 show the situation producing presence of intercell interference under a heterogeneous network is disposed.The coverage that there is shown a macro base station (eNB) includes 3 micro-base stations (RRH1, RRH2, RRH3), and 5 subscriber equipmenies (user equipment is called for short UE) respectively with these 4 base station communications.In figure, solid arrow represents the ePDCCH signal that each base station is dealt into corresponding UE, and obviously, if the transmitting power of eNB is higher than RRH, its ePDCCH can produce serious presence of intercell interference to the ePDCCH of each Microcell UE, represents in figure with dotted arrow.This interference can have a strong impact on the performance of Microcell user in heterogeneous network, thus must be limited.
In traditional LTE system, the means solving the presence of intercell interference of down control channel mainly control (relative narrowband transmit power is called for short RNTP) mechanism by Relative Narrowband TX Power, namely report by X2 interface the annoyance level be subject to separately between different base station, thus carry out down transmitting power coordination, to reach in minimizing interference and to ensure to average out in signalling.But this machine-processed algorithm is more complicated, and macro base station cover micro-base station heterogeneous network dispose under poor effect; On the other hand, in lte-a system, ePDCCH uses the data channel region in traditional LTE system, this means, in lte-a system, in heterogeneous network, the ePDCCH of different base station can use different physical resources, thus also exists by the channel frequency that staggers, and solves the possibility of problem of inter-cell interference.
Due to above-mentioned two reasons, need to find a kind of method that is novel, that be applicable to the configuration ePDCCH in lte-a system under heterogeneous network deployment scenario; This method needs the cooperation that can realize ePDCCH Resourse Distribute easily between base station, thus make each base station in heterogeneous network can distribute different resources for respective ePDCCH, avoid presence of intercell interference, also want to be applied to lte-a system simultaneously, avoid the change of existing protocol excessive.
Summary of the invention
For solving the aforementioned problems in the prior, the present invention proposes a kind of method being applicable to the configuration ePDCCH in lte-a system under heterogeneous network deployment scenario newly.Resource allocation message is transmitted by inter-base station interface, thus make micro-base station or macro base station before carrying out the ePDCCH Resourse Distribute of self, just know the occupation condition of the other side, thus can avoid by the resource used when Resources allocation, guarantee that the physical resource that each ePDCCH uses can not conflict, to reach the object reducing presence of intercell interference.
Particularly, according to a first aspect of the invention, propose a kind of method of configuration enhancing Physical Downlink Control Channel in the base station of LTE-A wireless communication system, wherein, described LTE-A wireless communication system comprises the first group of base stations and the second group of base stations two group of base stations, each described group of base stations comprises at least one base station, said method comprising the steps of: each base station in described first group of base stations receives the first message that each base station sends from described second group of base stations, wherein, described first message comprises the information of the resource that the enhancing Physical Downlink Control Channel that is used to indicate each base station in described second group of base stations uses, and according to all described first message arrangement received, it strengthens Physical Downlink Control Channel to each base station in described first group of base stations.
Preferably, the each base station also comprised in described first group of base stations is the enhancing Physical Downlink Control Channel Resources allocation of this base station according to all described first message received, wherein, the resource that the enhancing Physical Downlink Control Channel that the resource of distributing for the enhancing Physical Downlink Control Channel of this base station is different from each base station in all described second group of base stations uses.
Preferably, each base station also comprised in described first group of base stations receives the second message that each base station sends from described second group of base stations, and wherein, described second message comprises the reference power threshold information being used to indicate each base station in described second group of base stations, and each base station in described first group of base stations is the enhancing Physical Downlink Control Channel Resources allocation of this base station according to all described first message received, wherein, if the resource of distributing for the enhancing Physical Downlink Control Channel of this base station is identical with the resource that the enhancing Physical Downlink Control Channel of some base stations in described second group of base stations uses, the transmitting power then configuring the enhancing Physical Downlink Control Channel of this base station is not more than the described reference power thresholding indicated by described second message using the base station of same asset to send described in described second group of base stations.
More preferably, the information of the resource that the enhancing Physical Downlink Control Channel being used to indicate each base station in described second group of base stations described in uses comprises the bandwidth sum position that described channel uses.
More preferably, the information of the resource that the described enhancing Physical Downlink Control Channel being used to indicate each base station in described second group of base stations uses comprises the first bitmap, each bit of described first bitmap represents a Resource Block in the system bandwidth of described LTE-A wireless communication system, and the set on any bit position of described first bitmap represents that the enhancing Physical Downlink Control Channel of described base station employs the Resource Block corresponding to this bit.
More preferably, also comprise: each base station in described first group of base stations receives the change message that any one base station sends from described second group of base stations, wherein, described change message comprises the information of resource that the enhancing Physical Downlink Control Channel that is used to indicate this any one base station of change uses; And each base station in described first group of base stations is according to its enhancing Physical Downlink Control Channel of the described change message arrangement received, wherein, the resource that the enhancing Physical Downlink Control Channel after the resource that the enhancing Physical Downlink Control Channel that each base station in described first group of base stations is this base station distributes is different from any one base station described change uses.
More preferably, described first message is transmitted by X2 interface.
More preferably, described first group of base stations comprises a macro base station, and described second group of base stations comprises at least one micro-base station.
More preferably, described first group of base stations comprises at least one micro-base station, and described second group of base stations comprises a macro base station.
According to a second aspect of the invention, propose a kind of equipment of configuration enhancing Physical Downlink Control Channel in the base station of LTE-A wireless communication system, wherein, described LTE-A wireless communication system comprises the first group of base stations and the second group of base stations two group of base stations, each described group of base stations comprises at least one base station, described equipment comprises: receiver module, the first message that each base station sends from described second group of base stations is received for each base station in described first group of base stations, wherein, described first message comprises the information of the resource that the enhancing Physical Downlink Control Channel that is used to indicate each base station in described second group of base stations uses, and configuration module, for each base station in described first group of base stations, according to all described first message arrangement received, it strengthens Physical Downlink Control Channel.
Preferably, described configuration module is also the enhancing Physical Downlink Control Channel Resources allocation of this base station according to all described first message received for each base station in described first group of base stations, wherein, the resource that the enhancing Physical Downlink Control Channel that the resource of distributing for the enhancing Physical Downlink Control Channel of this base station is different from each base station in all described second group of base stations uses.
Preferably, described receiver module also receives for each base station in described first group of base stations the second message that each base station sends from described second group of base stations, wherein, described second message comprises the reference power threshold information being used to indicate each base station in described second group of base stations, described configuration module is also the enhancing Physical Downlink Control Channel Resources allocation of this base station according to all described first message received for each base station in described first group of base stations, wherein, if the resource of distributing for the enhancing Physical Downlink Control Channel of this base station is identical with the resource that the enhancing Physical Downlink Control Channel of some base stations in described second group of base stations uses, the transmitting power then configuring the enhancing Physical Downlink Control Channel of this base station is not more than the described reference power thresholding indicated by described second message using the base station of same asset to send described in described second group of base stations.
More preferably, the information of the resource that the enhancing Physical Downlink Control Channel being used to indicate each base station in described second group of base stations described in uses comprises the bandwidth sum position that described channel uses.
More preferably, the information of the resource that the described enhancing Physical Downlink Control Channel being used to indicate each base station in described second group of base stations uses comprises the first bitmap, each bit of described first bitmap represents a Resource Block in the system bandwidth of described LTE-A wireless communication system, and the set on any bit position of described first bitmap represents that the enhancing Physical Downlink Control Channel of described base station employs the Resource Block corresponding to this bit.
More preferably, described receiver module also receives for each base station in described first group of base stations the change message that any one base station sends from described second group of base stations, wherein, described change message comprises the information of resource that the enhancing Physical Downlink Control Channel that is used to indicate this any one base station of change uses; Also for each base station in described first group of base stations, according to the described change message arrangement received, it strengthens Physical Downlink Control Channel to described configuration device, wherein, the resource that the enhancing Physical Downlink Control Channel after the resource that the enhancing Physical Downlink Control Channel that each base station in described first group of base stations is this base station distributes is different from any one base station described change uses.
More preferably, described first message is transmitted by X2 interface.
More preferably, described first group of base stations comprises a macro base station, and described second group of base stations comprises at least one micro-base station.
More preferably, described first group of base stations comprises at least one micro-base station, and described second group of base stations comprises a macro base station.
In the present invention, by sending resource allocation message between base station, make micro-base station or macro base station can notify the other side by the ePDCCH resource of oneself use, thus make the other side can avoid these resources when distributing ePDCCH resource, reach the cooperation of minizone Resourse Distribute, thus the physical resource making the ePDCCH of different districts use is different, realize the object reducing presence of intercell interference.Meanwhile, only need carry out the mutual of a small amount of information between base station, thus decrease the complexity of signaling consumption and realization as much as possible.In addition, existing inter-base station interface can also be used thus reduce the change to existing protocol further.Finally, the present invention can also and existing RNTP mechanism conbined usage, thus elevator system performance further.
Accompanying drawing explanation
Read the following detailed description to non-limiting example by referring to accompanying drawing, further feature of the present invention, object and advantage will be more obvious.
Fig. 1 shows the schematic diagram according to presence of intercell interference under heterogeneous network deployment;
Fig. 2 shows the result schematic diagram according to cooperation Resourse Distribute of the present invention;
Fig. 3 shows according to a kind of flow chart configuring the method for ePDCCH of the present invention;
Fig. 4 shows according to a kind of block diagram configuring the equipment of ePDCCH of the present invention.
Wherein, same or analogous Reference numeral represents same or analogous steps characteristic or device/module.
Embodiment
In the specific descriptions of following preferred embodiment, with reference to the accompanying drawing formed appended by a part of the present invention.Appended accompanying drawing shows by way of example and can realize specific embodiment of the present invention.The embodiment of example is not intended to limit according to all embodiments of the present invention.Be appreciated that under the prerequisite not departing from scope of the present invention, other embodiments can be utilized, also can carry out amendment that is structural or logicality.Therefore, following specific descriptions are also nonrestrictive, and scope of the present invention limited by appended claim.
First, between the base station of heterogeneous network, carrying out the object of resource allocation information transmission to realize the present invention, needing the multiple base stations in heterogeneous network to be divided into two groups, wherein one group of base station receives the resource allocation information that another group base station sends.For hereafter describing conveniently, being called the first group of base stations below by receiving resource allocation information, being called the second group of base stations by what send resource allocation information.Concrete grouping strategy can carry out different selections according to the network configuration of reality.Most typical, can divide into groups by base station type, be divided into one group by the macro base station in network, micro-base station is divided into another group.It must be noted that, the base station of which kind of type is assigned to the first group of base stations or the second group of base stations does not affect realization of the present invention; Namely no matter macro base station or micro-base station can as the sides receiving or send resource allocation information.
Figure 1 show typical isomerism network structure, namely the macrocell of an eNB covers the Microcell of multiple RRH, thus constitutes a heterogeneous network covered mutually.Without loss of generality, macro base station eNB can be divided into the first group of base stations, all micro-base stations RRH (RRH1 to RRH3) are divided into the second group of base stations.(as mentioned above, on the contrary, multiple RRH is divided into the first group of base stations, is divided into by an eNB the second group of base stations to be suitable for method of the present invention too.)
According to one of them embodiment of the present invention, first, each RRH in the second group of base stations is respective ePDCCH Resources allocation, and the resource information then used by respective ePDCCH is sent to the eNB in the first group of base stations by the first message; Then, the eNB in the first group of base stations, according to all these first message received, has known the resource that the ePDCCH of all RRH in the second group of base stations uses; Finally, eNB carries out the Resourse Distribute of its ePDCCH according to these known information, and the principle of this distribution resource that to be resource that ePDCCH on eNB is used use with ePDCCH on all RRH is not identical.Like this, by using different resources to carry out the transmission of ePDCCH respectively on two groups of base stations, the ePDCCH on eNB can be made to transmit and to be unlikely to produce serious presence of intercell interference to the ePDCCH channel on RRH, thus achieving object of the present invention.As mentioned above, the role exchanging eNB and RRH is feasible too.Now, the resource that its ePDCCH uses is sent to each RRH by the first message by eNB, and each RRH distributes respective ePDCCH resource accordingly, makes respective ePDCCH resource not identical with the resource that ePDCCH on eNB uses.It should be noted that in such cases, the resource that the ePDCCH of each RRH uses is likely mutually the same.But, transmitting power due to micro-base station RRH is general less, namely each Microcell at RRH place presence of intercell interference is each other far below the presence of intercell interference between macrocell and Microcell, therefore the interference problem between micro-base station RRH is also not serious, in fact the remarkable decline of channel quality can not be caused, therefore without the need to specially ePDCCH resource on RRH being separated.The advantage of such design is without the need to further interacting message between RRH, under the prerequisite not affecting performance, saves signaling consumption.
Figure 2 illustrate according to the present invention, carry out the result after cooperation Resourse Distribute, can find out, the resource that the ePDCCH on ePDCCH and RRH on eNB uses is separated from one another, there is not situation overlapping mutually, thus can guarantee can not produce serious presence of intercell interference on a same frequency.
According to another embodiment of the invention, be with the difference of above-described embodiment: each RRH of the second group of base stations is outside transmission first message, also send the second message respectively, this second message is used to indicate these RRH reference power threshold information separately, this reference power threshold information gives the interfering signal power upper limit that can bear at these RRH places, namely, when interference signal is not more than this thresholding, can accept the interference that this RRH causes.And it is corresponding, eNB in the first group of base stations is according to the first message and the second message, both the resource that on each RRH, ePDCCH uses had been known, also the receptible maximum interference power of each RRH has been known, therefore just different equipping ruless can be used when eNB carries out ePDCCH configuration, both as above in an embodiment, can distribute and the ePDCCH difference resource on each RRH; Also can use the resource identical with ePDCCH on certain RRH, but configuration of transmit power is not more than the reference power thresholding of this RRH simultaneously, even if thus guarantee to employ the channel that same resource also can not disturb this RRH significantly.Obviously, the configuration of this embodiment is more flexible, is particularly useful for base station number more, the situation of channel resource deficiency.A same embodiment is identical, and the realization of the present embodiment also depends on the resource accurately knowing that on each RRH, ePDCCH uses, and such eNB could determine that the reference power threshold information that should use which RRH is configured.So crucial part of the present invention is just that the resource to ePDCCH uses carries out information interaction.
Preferably, dedicated bandwidth and position the resource that ePDCCH uses can be described in the present invention.Gone out as shown in Figure 2, eNB can be informed by the first message in the bandwidth sum position shared by respective ePDCCH by RRH, and eNB then selects one section of bandwidth sum position be not occupied to distribute to the ePDCCH of oneself accordingly.The advantage of this design is that information is intuitively accurate.
The resource that another kind is preferably used a bitmap (bitmap) to describe ePDCCH to use, is referred to as the first bitmap here.Each bit in the first bitmap then represents a Resource Block in system bandwidth, and that is, the bit number of the first bitmap is determined by system bandwidth.And the Resource Block that corresponding set on certain bit just represents correspondence is employed.Therefore the bit that each RRH Resource Block that its ePDCCH can be used is corresponding carries out set, then the first bitmap after set is sent to eNB by the first message; ENB is not then selected by the bit of any one RRH institute set from all, namely never select by any one RRH in the Resource Block that uses, distribute to the ePDCCH of oneself.The advantage of this design is that algorithm realization is simple and convenient.
The transmission of the first message in the present invention can be realized by any inter-base station interface, can be such as specially designed new interface or special purpose interface, also can be use existing X2 interface, use the benefit of existing X2 interface to be to provide better downward compatibility, only need design several new message format in existing X2 interface.
The present invention can also realize the function dynamically updated, concrete, if certain RRH in the second group of base stations needs to upgrade the resource that its ePDCCH uses, change message can be sent to the eNB in the first group of base stations, the resource information used after containing the ePDCCH change of this RRH in this change message, eNB then reconfigures its ePDCCH accordingly, makes the resource that on eNB, ePDCCH uses also not identical with the resource after this RRH change.In order to avoid frequently changing the additional signaling overhead brought, a change cycle parameter can be configured, namely only allow once to change in the change cycle.
Accompanying drawing 3 illustrates according to a kind of flow chart configuring the method for ePDCCH of the present invention.Comprise the following steps:
S31. each base station in described first group of base stations receives the first message that each base station sends from described second group of base stations, wherein, described first message comprises the information of the resource that the enhancing Physical Downlink Control Channel that is used to indicate each base station in described second group of base stations uses;
S32. according to all described first message arrangement received, it strengthens Physical Downlink Control Channel to each base station in described first group of base stations.
Below to come again in conjunction with block diagram, to introduce the equipment corresponding with said method provided by the present invention, in view of the steps characteristic in unit/device characteristic wherein and said method has corresponding relation, will conform to the principle of simplicity.
Fig. 4 illustrate the block diagram of the equipment S40 according to a kind of configuration enhancing Physical Downlink Control Channel in the base station of LTE-A wireless communication system of the present invention, wherein, described LTE-A wireless communication system comprises the first group of base stations and the second group of base stations two group of base stations, each described group of base stations comprises at least one base station, and described equipment S40 comprises:
Receiver module 4001, the first message that each base station sends from described second group of base stations is received for each base station in described first group of base stations, wherein, described first message comprises the information of the resource that the enhancing Physical Downlink Control Channel that is used to indicate each base station in described second group of base stations uses;
Configuration module 4002, for each base station in described first group of base stations, according to all described first message arrangement received, it strengthens Physical Downlink Control Channel.
Be described embodiments of the invention above, but the present invention is not limited to specific system, equipment and concrete agreement, those skilled in that art can make various distortion or amendment within the scope of the appended claims.
The those skilled in the art of those the art can pass through research specification, disclosed content and accompanying drawing and appending claims, understand and implement other changes to the execution mode disclosed.In the claims, word " comprises " element and step of not getting rid of other, and wording " one " does not get rid of plural number.In the present invention, " first ", " second " only represent title, do not represent orbution.In the practical application of invention, the function of the multiple technical characteristics quoted during a part possibility enforcement of rights requires.Any Reference numeral in claim should not be construed as the restriction to scope.
Claims (18)
1. the method for a configuration enhancing Physical Downlink Control Channel in the base station of LTE-A wireless communication system, wherein, described LTE-A wireless communication system comprises the first group of base stations and the second group of base stations two group of base stations, each described group of base stations comprises at least one base station, said method comprising the steps of:
A. each base station in described first group of base stations receives the first message that each base station sends from described second group of base stations, wherein, described first message comprises the information of the resource that the enhancing Physical Downlink Control Channel that is used to indicate each base station in described second group of base stations uses; And
B. according to all described first message arrangement received, it strengthens Physical Downlink Control Channel to each base station in described first group of base stations.
2. method according to claim 1, wherein, the described step b each base station comprised in described first group of base stations is the enhancing Physical Downlink Control Channel Resources allocation of this base station according to all described first message received, wherein, the resource that the enhancing Physical Downlink Control Channel that the resource of distributing for the enhancing Physical Downlink Control Channel of this base station is different from each base station in all described second group of base stations uses.
3. method according to claim 1, wherein, described step a also comprises: each base station in described first group of base stations receives the second message that each base station sends from described second group of base stations, wherein, described second message comprises the reference power threshold information being used to indicate each base station in described second group of base stations;
The described step b each base station comprised in described first group of base stations is the enhancing Physical Downlink Control Channel Resources allocation of this base station according to all described first message received, wherein, if the resource of distributing for the enhancing Physical Downlink Control Channel of this base station is identical with the resource that the enhancing Physical Downlink Control Channel of some base stations in described second group of base stations uses, the transmitting power then configuring the enhancing Physical Downlink Control Channel of this base station is not more than the described reference power thresholding indicated by described second message using the base station of same asset to send described in described second group of base stations.
4. the information of the resource that the enhancing Physical Downlink Control Channel being used to indicate each base station in described second group of base stations according to the method in any one of claims 1 to 3, wherein, uses comprises the bandwidth sum position that described channel uses.
5. according to the method in any one of claims 1 to 3, wherein, the information of the resource that the described enhancing Physical Downlink Control Channel being used to indicate each base station in described second group of base stations uses comprises the first bitmap, each bit of described first bitmap represents a Resource Block in the system bandwidth of described LTE-A wireless communication system, and the set on any bit position of described first bitmap represents that the enhancing Physical Downlink Control Channel of described base station employs the Resource Block corresponding to this bit.
6. method according to any one of claim 1 to 2, wherein, also comprises after described step b:
C. each base station in described first group of base stations receives the change message that any one base station sends from described second group of base stations, wherein, described change message comprises the information of resource that the enhancing Physical Downlink Control Channel that is used to indicate this any one base station of change uses; And
D. according to the described change message arrangement received, it strengthens Physical Downlink Control Channel to each base station in described first group of base stations, wherein, the resource that the enhancing Physical Downlink Control Channel after the resource that the enhancing Physical Downlink Control Channel that each base station in described first group of base stations is this base station distributes is different from any one base station described change uses.
7. according to the method in any one of claims 1 to 3, wherein, described first message is transmitted by X2 interface.
8. according to the method in any one of claims 1 to 3, wherein, described first group of base stations comprises a macro base station, and described second group of base stations comprises at least one micro-base station.
9. according to the method in any one of claims 1 to 3, wherein, described first group of base stations comprises at least one micro-base station, and described second group of base stations comprises a macro base station.
10. the equipment of a configuration enhancing Physical Downlink Control Channel in the base station of LTE-A wireless communication system, wherein, described LTE-A wireless communication system comprises the first group of base stations and the second group of base stations two group of base stations, and each described group of base stations comprises at least one base station, and described equipment comprises:
Receiver module, the first message that each base station sends from described second group of base stations is received for each base station in described first group of base stations, wherein, described first message comprises the information of the resource that the enhancing Physical Downlink Control Channel that is used to indicate each base station in described second group of base stations uses; And
Configuration module, for each base station in described first group of base stations, according to all described first message arrangement received, it strengthens Physical Downlink Control Channel.
11. equipment according to claim 10, wherein, described configuration module is also the enhancing Physical Downlink Control Channel Resources allocation of this base station according to all described first message received for each base station in described first group of base stations, wherein, the resource that the enhancing Physical Downlink Control Channel that the resource of distributing for the enhancing Physical Downlink Control Channel of this base station is different from each base station in all described second group of base stations uses.
12. equipment according to claim 10, wherein, described receiver module also receives for each base station in described first group of base stations the second message that each base station sends from described second group of base stations, wherein, described second message comprises the reference power threshold information being used to indicate each base station in described second group of base stations;
Described configuration module is also the enhancing Physical Downlink Control Channel Resources allocation of this base station according to all described first message received for each base station in described first group of base stations, wherein, if the resource of distributing for the enhancing Physical Downlink Control Channel of this base station is identical with the resource that the enhancing Physical Downlink Control Channel of some base stations in described second group of base stations uses, the transmitting power then configuring the enhancing Physical Downlink Control Channel of this base station is not more than the described reference power thresholding indicated by described second message using the base station of same asset to send described in described second group of base stations.
13. according to claim 10 to the equipment according to any one of 12, wherein, described in be used to indicate each base station in described second group of base stations the information of resource that uses of enhancing Physical Downlink Control Channel comprise the bandwidth sum position that described channel uses.
14. according to claim 10 to the equipment according to any one of 12, wherein, the information of the resource that the described enhancing Physical Downlink Control Channel being used to indicate each base station in described second group of base stations uses comprises the first bitmap, each bit of described first bitmap represents a Resource Block in the system bandwidth of described LTE-A wireless communication system, and the set on any bit position of described first bitmap represents that the enhancing Physical Downlink Control Channel of described base station employs the Resource Block corresponding to this bit.
15. according to claim 10 to the equipment according to any one of 11, wherein, described receiver module also receives for each base station in described first group of base stations the change message that any one base station sends from described second group of base stations, wherein, described change message comprises the information of resource that the enhancing Physical Downlink Control Channel that is used to indicate this any one base station of change uses;
Also for each base station in described first group of base stations, according to the described change message arrangement received, it strengthens Physical Downlink Control Channel to described configuration device, wherein, the resource that the enhancing Physical Downlink Control Channel after the resource that the enhancing Physical Downlink Control Channel that each base station in described first group of base stations is this base station distributes is different from any one base station described change uses.
16. according to claim 10 to the equipment according to any one of 12, and wherein, described first message is transmitted by X2 interface.
17. according to claim 10 to the equipment according to any one of 12, and wherein, described first group of base stations comprises a macro base station, and described second group of base stations comprises at least one micro-base station.
18. according to claim 10 to the equipment according to any one of 12, and wherein, described first group of base stations comprises at least one micro-base station, and described second group of base stations comprises a macro base station.
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| WO2018036508A1 (en) * | 2016-08-25 | 2018-03-01 | 华为技术有限公司 | Signal transmission method and device |
| CN110248420A (en) * | 2019-06-19 | 2019-09-17 | 广州维德科技有限公司 | A kind of cluster of base stations system and implementation method based on wireless communication protocol |
| CN110741703A (en) * | 2018-01-04 | 2020-01-31 | Oppo广东移动通信有限公司 | resource allocation method and device, computer storage medium |
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| CN104244415B (en) | 2018-08-07 |
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