CN103650611B - Information sending control method and device - Google Patents
Information sending control method and device Download PDFInfo
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- CN103650611B CN103650611B CN201380001795.1A CN201380001795A CN103650611B CN 103650611 B CN103650611 B CN 103650611B CN 201380001795 A CN201380001795 A CN 201380001795A CN 103650611 B CN103650611 B CN 103650611B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
Abstract
The present invention provides a kind of information sending control method and device, wherein, by determine first base station in present sub-frame for interfered cell user distribute the first control channel unit group and the second base station in present sub-frame for disturbed cell user distribute the second control channel unit group, wherein, the non-time-frequency alignment of running time-frequency resource corresponding to two control channel unit groups, and indicate first base station application the first control channel unit group to send the control information that PDCCH is carried to the user of interfered cell, second base station applies the second control channel unit group is indicated to send the control information that PDCCH is carried to the user of disturbed cell simultaneously.So as to effectively improve the probability that disturbed user is properly received control information, the influence of signal is avoided interference significantly, improve user experience.
Description
Technical field
The present embodiments relate to communication technical field, more particularly to a kind of information sending control method and device.
Background technology
In 3GPP LTE TS36.211 standards, base station is community user allotment in the special symbol of each subframe
Reason down control channel (Physical Downlink Control Channel, PDCCH) resource, and using these resources to
User sends control information.
In heterogeneous network system, when micro-base station is near macro base station, if two base station time-frequency alignment, the signal of two base stations can be mutual
Mutually disturb, illustrated by taking micro-base station as an example, due to the capable and experienced of macro base station transmission signal can be subject to when user receives PDCCH under micro-base station
Disturb and substantially reduce it and be properly received probability, influence the normal data of user to send and receive.
The content of the invention
For the drawbacks described above of prior art, the embodiment of the present invention provides a kind of information sending control method and device.
In a first aspect, the present invention provides a kind of information sending control method, including：
First base station is determined in present sub-frame for the first control channel unit group and that the user of interfered cell distributes
Two base stations are the second control channel unit group that the user of disturbed cell distributes in the present sub-frame, wherein, described first
Running time-frequency resource corresponding to control channel unit group and the non-time-frequency of running time-frequency resource corresponding to the second control channel unit group
Alignment；
The first control channel unit group described in the first base station application is indicated to send thing to the user of the interfered cell
The control information that reason down control channel PDCCH is carried, while indicating the second control channel described in second base station applies
Unit group sends the control information that PDCCH is carried to the user of the disturbed cell.
With reference to the implementation of first aspect, in the first possible implementation, the determination first base station is being worked as
In preceding subframe for interfered cell user distribute the first control channel unit group and the second base station be disturbed in present sub-frame
Second control channel unit group of user's distribution of cell, specifically includes：
Obtain the first row that the first base station is carried out to the priority of N number of running time-frequency resource particle in the present sub-frame
Sequence, and the second sequence that second base station is carried out to the priority of N number of running time-frequency resource particle in the present sub-frame, its
In, first sequence and the described second sequence include：The priority of n-th running time-frequency resource particle is higher than the（N-1）Individual time-frequency
The priority of resource particle, or, the priority of n-th running time-frequency resource particle is less than the（N-1）Individual running time-frequency resource particle it is excellent
First level；
It is being pre-configured with the present sub-frame according to the first base station, from running time-frequency resource particle to resource grains subgroup
The first mapping relations, from resource grains subgroup to the second mapping relations of control channel unit, and it is described first sequence in it is N number of
The priority of running time-frequency resource particle obtains the multiple control channel lists distributed for the user of interfered cell in the present sub-frame
The priority of tuple；
It is being pre-configured with the present sub-frame according to second base station, from running time-frequency resource particle to resource grains subgroup
The 3rd mapping relations, from resource grains subgroup to the 4th mapping relations of control channel unit, and it is described second sequence in it is N number of
The priority of running time-frequency resource particle obtains the multiple control channel lists distributed for the user of disturbed cell in the present sub-frame
The priority of tuple；
Judge whether first sequence and the described second sequence identical, so according to it is described be interfered cell user point
The priority of the multiple control channel unit groups matched somebody with somebody, and multiple control channel units that the user for disturbed cell distributes
The priority of group determines the first control channel unit group and the second control channel unit group.
With reference to the first possible implementation of first aspect, in second possible implementation, the judgement
Whether first sequence and the described second sequence are identical, and then the multiple controls distributed according to the user for interfered cell
The priority of Channel Elements group, and it is described for the priority of multiple control channel unit groups of user's distribution of disturbed cell is true
The fixed first control channel unit group and the second control channel unit group, specifically include：
It is the user point of interfered cell according to if judgement knows that first sequence is identical with the described second sequence
The control channel unit group of the priority selection highest priority of the multiple control channel unit groups matched somebody with somebody is the described first control letter
Road unit group, and the priority selection of the multiple control channel unit groups distributed according to the user for disturbed cell is preferential
The minimum control channel unit group of level is the second control channel unit group；Or, according to it is described be the user of interfered cell
The control channel unit group that the priority selection priority of multiple control channel unit groups of distribution is minimum is the described first control
Channel Elements group, and the priority selection of the multiple control channel unit groups distributed according to the user for disturbed cell is excellent
First level highest control channel unit group is the second control channel unit group；
If judge to know first sequence and the described second sequence conversely, if divided according to the user for interfered cell
The control channel unit group of the priority selection highest priority of the multiple control channel unit groups matched somebody with somebody is the described first control letter
Road unit group, and the priority selection of the multiple control channel unit groups distributed according to the user for disturbed cell is preferential
Level highest control channel unit group is the second control channel unit group；Or, according to it is described be the user of interfered cell
The control channel unit group that the priority selection priority of multiple control channel unit groups of distribution is minimum is the described first control
Channel Elements group, and the priority selection of the multiple control channel unit groups distributed according to the user for disturbed cell is excellent
The minimum control channel unit group of first level is the second control channel unit group.
Second aspect, the present invention provides a kind of information transmission control apparatus, including：
Distribute module, for determining first base station in present sub-frame for the first control that the user of interfered cell distributes is believed
Road unit group and the second base station are the second control channel unit group that the user of disturbed cell distributes in the present sub-frame, its
In, the running time-frequency resource corresponding to the first control channel unit group and the time-frequency corresponding to the second control channel unit group
The non-time-frequency alignment of resource；
Control module, for indicating the first control channel unit group described in the first base station application to the interfered cell
User send the control information that is carried of physical downlink control channel PDCCH, while indicating described in second base station applies
Second control channel unit group sends the control information that PDCCH is carried to the user of the disturbed cell.
With reference to the implementation of second aspect, in the first possible implementation, the distribute module is specifically included：
Acquiring unit, for obtaining priority of the first base station to N number of running time-frequency resource particle in the present sub-frame
The first sequence for carrying out, and second base station is carried out to the priority of N number of running time-frequency resource particle in the present sub-frame
Second sequence, wherein, first sequence and the described second sequence include：The priority of n-th running time-frequency resource particle is higher than the
（N-1）The priority of individual running time-frequency resource particle, or, the priority of n-th running time-frequency resource particle is less than the（N-1）Individual time-frequency money
The priority of source particle；
First processing units, for it is being pre-configured with the present sub-frame according to the first base station, from time-frequency money
Source particle to resource grains subgroup the first mapping relations, from resource grains subgroup to the second mapping relations of control channel unit, with
And the user that the priority of N number of running time-frequency resource particle is obtained for interfered cell in the present sub-frame in first sequence divides
The priority of the multiple control channel unit groups matched somebody with somebody, it is being pre-configured with the present sub-frame according to second base station, from
Running time-frequency resource particle is closed to the 3rd mapping relations of resource grains subgroup from resource grains subgroup to the 4th of control channel unit the mapping
It is disturbed cell that the priority of N number of running time-frequency resource particle is obtained in the present sub-frame in system, and second sequence
The priority of multiple control channel unit groups of user's distribution；
Second processing unit, it is whether identical for judging first sequence and the described second sequence, and then according to described
For the priority of multiple control channel unit groups that the user of interfered cell distributes, and the user for disturbed cell are distributed
The priority of multiple control channel unit groups determine the first control channel unit group and the second control channel unit
Group.
With reference to the first possible implementation of second aspect, in second possible implementation, described second
Processing unit, specifically for：
It is the user point of interfered cell according to if judgement knows that first sequence is identical with the described second sequence
The control channel unit group of the priority selection highest priority of the multiple control channel unit groups matched somebody with somebody is the described first control letter
Road unit group, and the priority selection of the multiple control channel unit groups distributed according to the user for disturbed cell is preferential
The minimum control channel unit group of level is the second control channel unit group；Or, according to it is described be the user of interfered cell
The control channel unit group that the priority selection priority of multiple control channel unit groups of distribution is minimum is the described first control
Channel Elements group, and the priority selection of the multiple control channel unit groups distributed according to the user for disturbed cell is excellent
First level highest control channel unit group is the second control channel unit group；
If judge to know first sequence and the described second sequence conversely, if divided according to the user for interfered cell
The control channel unit group of the priority selection highest priority of the multiple control channel unit groups matched somebody with somebody is the described first control letter
Road unit group, and the priority selection of the multiple control channel unit groups distributed according to the user for disturbed cell is preferential
Level highest control channel unit group is the second control channel unit group；Or, according to it is described be the user of interfered cell
The control channel unit group that the priority selection priority of multiple control channel unit groups of distribution is minimum is the described first control
Channel Elements group, and the priority selection of the multiple control channel unit groups distributed according to the user for disturbed cell is excellent
The minimum control channel unit group of first level is the second control channel unit group.
Information sending control method provided in an embodiment of the present invention and device, by determining first base station in present sub-frame
The the first control channel unit group distributed for the user of interfered cell and the second base station are the use of disturbed cell in present sub-frame
Second control channel unit group of family distribution, wherein, the non-time-frequency alignment of running time-frequency resource corresponding to two control channel unit groups,
And indicate first base station application the first control channel unit group to send the control letter that PDCCH is carried to the user of interfered cell
Breath, while indicating second base station applies the second control channel unit group to send the control that PDCCH is carried to the user of disturbed cell
Information processed.So as to effectively improve the probability that disturbed user is properly received control information, the influence of signal is avoided interference significantly, improve
User experience.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are this hairs
Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the flow chart of an information sending control method provided in an embodiment of the present invention；
Fig. 2 is the flow chart of another information sending control method provided in an embodiment of the present invention；
Fig. 3 is the structural representation of an information transmission control apparatus provided in an embodiment of the present invention；
Fig. 4 is the structural representation of another information transmission control apparatus provided in an embodiment of the present invention；
Fig. 5 is the hardware architecture diagram of an information transmission control apparatus provided in an embodiment of the present invention.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Fig. 1 is the flow chart of an information sending control method provided in an embodiment of the present invention, as shown in figure 1, the method
Including：
Step 100, determines that first base station is the first control channel list of user's distribution of interfered cell in present sub-frame
Tuple and the second base station are the second control channel unit group that the user of disturbed cell distributes in present sub-frame, wherein, it is described
Running time-frequency resource corresponding to first control channel unit group is non-with running time-frequency resource corresponding to the second control channel unit group
Time-frequency aligns；
When the signal coverage of first base station and the second base station occurs overlapping, if two base station time-frequency alignment, two base stations
Signal can interfere with each other, as interfered cell, the cell that the second base station is covered is disturbed to the cell covered with first base station
Described in detail as a example by cell, vice versa, repeats no more.When first base station is user's distribution of interfered cell in present sub-frame
For send the running time-frequency resource of PDCCH and the second base station in present sub-frame for the user of disturbed cell distribute for sending
When the running time-frequency resource time-frequency of PDCCH aligns, the strong of first base station transmission signal can be subject to when the user of disturbed cell receives PDCCH
Interference, probability is properly received so as to substantially reduce user, wherein, the running time-frequency resource for sending PDCCH is described as follows：
The resource scheduling information of up-downgoing is all carried by PDCCH in LTE, can have multiple PDCCH in a sub- frame in, in order to
PDCCH and the running time-frequency resource of other down control channels are more effectively configured, LTE defines two special control channel resources
Unit：Resource grains subgroup (RE Group, REG) and control channel unit (Control Channel Element, CCE), its
In, 1 REG is made up of 4 resource particle RE in a subframe, and a CCE is made up of 9 REG.
In order that the user of disturbed cell avoids being subject to first base station to launch letter when the PDCCH that the second base station sends is received
Number strong jamming, the present embodiment proposes a kind of information sending control method.Specifically, deployment information sends control dress in systems
Put, the device can carry out information exchange with first base station and the second base station, specific deployed position can be first base station or
In the base station of person second, or independently of the network entity outside first base station or the second base station in, specifically can be according to reality
The application needs on border are selected, and the present embodiment is not any limitation as to this.Information transmission control apparatus respectively with first base station and
Second base station carries out information exchange, so that it is determined that the first control that the user that first base station is interfered cell in present sub-frame distributes
Running time-frequency resource and the second base station corresponding to Channel Elements group processed are the second of user's distribution of disturbed cell in present sub-frame
The non-time-frequency alignment of running time-frequency resource corresponding to control channel unit group, it is specific to determine that method is a lot, such as：Information sends control
Device obtains the first control channel unit group that the user that first base station is interfered cell in present sub-frame distributes respectively first
Corresponding running time-frequency resource and the second base station are the second control channel list of user's distribution of disturbed cell in present sub-frame
Running time-frequency resource corresponding to tuple, then by the running time-frequency resource and the second control channel list corresponding to the first control channel unit group
Running time-frequency resource corresponding to tuple is compared, if judging to know running time-frequency resource corresponding to the first control channel unit group and the
The non-time-frequency alignment of running time-frequency resource corresponding to two control channel unit groups, then no longer indicate first base station or the second base station again
Distribution；If judgement is known corresponding to running time-frequency resource and the second control channel unit group corresponding to the first control channel unit group
Running time-frequency resource time-frequency aligns, it indicates that the control for sending PDCCH is redistributed in first base station or the second base station in subframe
Channel Elements group processed, is then compared again, until confirming the running time-frequency resource corresponding to the first control channel unit group and the
The non-time-frequency alignment of running time-frequency resource corresponding to two control channel unit groups.Further, in order to improve allocative efficiency, information sends
Control device can send specific configured information to base station, illustrate：Information transmission control apparatus send to first base station
Running time-frequency resource corresponding to second control channel unit group, and indicate first base station to refer to corresponding to the second control channel unit group
Running time-frequency resource, the first control channel unit group is redistributed in present sub-frame so that the first control channel unit group correspondence
Running time-frequency resource alignd with the non-time-frequency of running time-frequency resource corresponding to the second control channel unit group.
Step 101, indicates use of the first control channel unit group described in the first base station application to the interfered cell
Family sends the control information that physical downlink control channel PDCCH is carried, while indicating second described in second base station applies
Control channel unit group sends the control information that PDCCH is carried to the user of the disturbed cell.
When information transmission control apparatus determine the running time-frequency resource and the second control letter corresponding to the first control channel unit group
When the non-time-frequency of running time-frequency resource corresponding to road unit group aligns, first base station application the first control channel unit group is indicated to interference
The user of cell sends the control information that physical downlink control channel PDCCH is carried, while indicating the second base station applies second
Control channel unit group sends the control information that PDCCH is carried to the user of disturbed cell, when the user of disturbed cell is connecing
When receiving the PDCCH of second base station applies the second control channel unit group transmission, due to corresponding to the first control channel unit group
Running time-frequency resource aligns with the non-time-frequency of running time-frequency resource corresponding to the second control channel unit group, so user is no longer influenced by the first base
Stand the interference of signal, PDCCH can be properly received and the control information for carrying thereon is parsed.
The information sending control method that the present embodiment is provided, by determining that first base station is interfered cell in present sub-frame
User's distribution the first control channel unit group and the second base station in present sub-frame for the user of disturbed cell distribute the
Two control channel unit groups, wherein, the non-time-frequency alignment of running time-frequency resource corresponding to two control channel unit groups, and indicate first
Base station applies the first control channel unit group sends the control information that PDCCH is carried to the user of interfered cell, while indicating
Second base station applies the second control channel unit group sends the control information that PDCCH is carried to the user of disturbed cell.So as to
The probability that disturbed user is properly received control information is effectively improved, the influence of signal is avoided interference significantly, improve Consumer's Experience
Degree.
Fig. 2 is the flow chart of another information sending control method provided in an embodiment of the present invention, as shown in Fig. 2 the party
Method includes：
Step 200, obtains what the first base station was carried out to the priority of N number of running time-frequency resource particle in the present sub-frame
First sequence, and the second row that second base station is carried out to the priority of N number of running time-frequency resource particle in the present sub-frame
Sequence, wherein, first sequence and the described second sequence include：The priority of n-th running time-frequency resource particle is higher than the（N-1）It is individual
The priority of running time-frequency resource particle, or, the priority of n-th running time-frequency resource particle is less than the（N-1）Individual running time-frequency resource particle
Priority；
Information transmission control apparatus obtain respectively first base station in present sub-frame N number of running time-frequency resource particle it is preferential grading
The first capable sequence, and the second sequence that the second base station is carried out to the priority of N number of running time-frequency resource particle in present sub-frame, its
In, first sequence and the described second sequence include：The priority of n-th running time-frequency resource particle is higher than the（N-1）Individual time-frequency
The priority of resource particle, or, the priority of n-th running time-frequency resource particle is less than the（N-1）Individual running time-frequency resource particle it is excellent
First level.Illustrate：What first base station was carried out to the priority of N number of running time-frequency resource particle in present sub-frame first is ordered as：From
First running time-frequency resource particle starts to identify limit priority, so that symbol is smaller in present sub-frame, frequency is lower, time-frequency position
The priority put is higher, and what the second base station was carried out to the priority of N number of running time-frequency resource particle in present sub-frame second is ordered as：From
Last running time-frequency resource particle starts to identify limit priority, so that symbol is bigger in present sub-frame, frequency is higher, the time-frequency
The priority of position is higher.
Step 201 being pre-configured with, from running time-frequency resource particle to money according to the first base station in the present sub-frame
First mapping relations of source particle group, from resource grains subgroup to the second mapping relations of control channel unit, and described first
The priority of N number of running time-frequency resource particle obtains the multiple times provided for the user of interfered cell in the present sub-frame in sequence
The priority of selected control Channel Elements group；
It is that information transmission control apparatus are pre-configured with according to first base station in present sub-frame, from running time-frequency resource particle to money
First mapping relations of source particle group, from resource grains subgroup to the second mapping relations of control channel unit, and the first sequence
In the priority of N number of running time-frequency resource particle obtain the multiple control letters distributed for the user of interfered cell in the present sub-frame
The priority of road unit group, specifically, information transmission control apparatus are by interacting acquisition first base station root with first base station first
According in the present sub-frame of protocol definition from running time-frequency resource particle RE to first mapping relations of resource grains subgroup REG, and from money
Second mapping relations of source particle group REG to control channel unit CCE, wherein, from running time-frequency resource particle RE to resource grains subgroup
It is specifically molecular by which running time-frequency resource grain that first mapping relations of REG are each resource grains subgroup, from resource particle
It is specifically to be provided by which time-frequency that group REG is each control channel unit CCE to second mapping relations of control channel unit CCE
Source particle group composition, thus during information transmission control apparatus sort further according to first the priority of N number of running time-frequency resource particle and
Mapping relations application function model obtains the priority of each control channel unit CCE in present sub-frame, specific such as formula（1）
With（2）It is shown；
Pri_REGi=f(Pri_0,REj,Pri_1,REj,...,Pri_M,REj), （1）
Wherein, the specific RE that M is included for REGi
Pri_CCEk=f(Pri_0,REGi,Pri_1,REGi,...,Pri_M,REGi), （2）
Wherein, the specific REG that M is included for CCEk
Then information transmission control apparatus are passed by interacting acquisition first base station with first base station according to the channel of each user
Multiple candidate control channel unit groups that transmission quality and rank are provided the user, that is, know each control channel unit group be by
Which control channel unit composition, the priority application function model further according to each control channel unit CCE obtains current son
The priority of the control channel unit group of each candidate provided the user in frame is specific such as formula（3）It is shown；
Pri_CCEgroupt=f(Pri_0,CCEk,Pri_1,CCEk,...,Pri_M,CCEk), （3）
Wherein, the specific CCE that M is included for CCEgroupt
Step 202 being pre-configured with, from running time-frequency resource particle to money according to second base station in the present sub-frame
3rd mapping relations of source particle group, from resource grains subgroup to the 4th mapping relations of control channel unit, and described second
The priority of N number of running time-frequency resource particle obtains the multiple times provided for the user of disturbed cell in the present sub-frame in sequence
The priority of selected control Channel Elements group；
It is that information transmission control apparatus are pre-configured with according to the second base station in present sub-frame, from running time-frequency resource particle to money
3rd mapping relations of source particle group, from resource grains subgroup to the 4th mapping relations of control channel unit, and the second sequence
In the priority of N number of running time-frequency resource particle the multiple candidates provided for the user of disturbed cell in the present sub-frame be provided control
The priority of Channel Elements group processed, specifically, information transmission control apparatus are by interacting the second base of acquisition with the second base station first
Stand according in the present sub-frame of protocol definition from running time-frequency resource particle RE to the 3rd mapping relations of resource grains subgroup REG, and
From resource grains subgroup REG to the 4th mapping relations of control channel unit CCE, wherein, from running time-frequency resource particle RE to resource grains
It is specifically molecular by which running time-frequency resource grain that 3rd mapping relations of subgroup REG are each resource grains subgroup, from resource
Particle group REG to the 4th mapping relations of control channel unit CCE to be each control channel unit CCE be specifically by which when
Frequency resource grains subgroup composition so that information transmission control apparatus further according to second sort in N number of running time-frequency resource particle it is preferential
Level and mapping relations application function model obtain the priority of each control channel unit CCE in present sub-frame, specific such as public
Formula（1）With（2）Shown, then information transmission control apparatus interact the second base station of acquisition according to each user's by with the second base station
Multiple candidate control channel unit groups that channel transmission quality and rank are provided the user, that is, know each control channel unit group
Which all it is made up of control channel unit, the priority application function model further according to each control channel unit CCE is obtained
The priority of the control channel unit group of each candidate provided the user in present sub-frame is specific such as formula（3）It is shown.
Step 203, judge it is described first sequence and described second sequence it is whether identical, and then according to it is described be interfered cell
The priority of multiple candidate control channel unit groups that provides of user, and the multiple that the user for disturbed cell provides
The priority of candidate control channel unit group determines the first control channel unit group and the second control channel unit group；
Information transmission control apparatus are obtained in present sub-frame as multiple candidates that the user of interfered cell provides control letter
The priority of road unit group, and be multiple candidate control channel unit groups that the user of disturbed cell provides in present sub-frame
Priority after, first determine whether the first sequence and the described second sequence identical, are then carried according to for the user of interfered cell
The priority of the multiple control channel unit groups for supplying, and the multiple control channel unit groups provided for the user of disturbed cell
Priority determines the first control channel unit group and the second control channel unit group, specially：Information sends control
If device judges to know that the first sequence is identical with the described second sequence, the multiple provided for the user of interfered cell according to
The control channel unit group of the priority selection highest priority of candidate control channel unit group is the first control channel list
Tuple, and the priority selection of the multiple candidate control channel unit groups provided according to the user for disturbed cell is preferential
The minimum control channel unit group of level is the second control channel unit group；Or, according to it is described be the user of interfered cell
The control channel unit group that the priority selection priority of multiple candidate control channel unit groups of offer is minimum is described first
Control channel unit group, and the multiple candidate control channel unit groups provided according to the user for disturbed cell is preferential
The control channel unit group of level selection highest priority is the second control channel unit group；If the first row is known in judgement
Sequence and second sequence are conversely, then according to the multiple candidate control channel unit groups provided for the user of interfered cell
Priority selection highest priority control channel unit group be the first control channel unit group, and according to it is described be by
The priority for disturbing multiple candidate control channel unit groups of user's offer of cell selects the control channel unit of highest priority
Group is the second control channel unit group；Or, the multiple candidates provided according to the user for interfered cell control letter
The control channel unit group that the priority selection priority of road unit group is minimum is the first control channel unit group, Yi Jigen
The priority of the multiple candidate control channel unit groups provided according to the user for disturbed cell selects the minimum control of priority
Channel Elements group processed is the second control channel unit group.By the above-mentioned treatment of information transmission control apparatus, make selected
The first control channel unit group corresponding to running time-frequency resource differed with the running time-frequency resource corresponding to the second control channel unit group
Farther out, so that compared to existing technology, the running time-frequency resource and second corresponding to the first control channel unit group is ensure that as far as possible
The non-time-frequency alignment of running time-frequency resource corresponding to control channel unit group.
Step 204, indicates use of the first control channel unit group described in the first base station application to the interfered cell
Family sends the control information that physical downlink control channel PDCCH is carried, while indicating second described in second base station applies
Control channel unit group sends the control information that PDCCH is carried to the user of the disturbed cell.
When information transmission control apparatus determine the first control channel unit group and the second control channel unit according to priority
After group, first base station application the first control channel unit group is indicated to send Physical Downlink Control Channel to the user of interfered cell
The control information that PDCCH is carried, while indicating user of second base station applies the second control channel unit group to disturbed cell
The control information that PDCCH is carried is sent, when the user of disturbed cell is receiving second base station applies the second control channel unit
During the PDCCH that group sends, by the running time-frequency resource corresponding to the first control channel unit group and the second control channel unit group institute
The corresponding non-time-frequency alignment of running time-frequency resource, so user is no longer influenced by the interference of first base station signal, can be properly received PDCCH
And parse the control information for carrying thereon.
The information sending control method that the present embodiment is provided, is provided by obtaining first base station to N number of time-frequency in present sub-frame
The first sequence that the priority of source particle is carried out, and the second base station is to the priority of N number of running time-frequency resource particle in present sub-frame
The second sequence for carrying out, according to the mapping between the channel resource that first base station and the second base station are pre-configured with present sub-frame
The priority of N number of running time-frequency resource particle obtains first base station in present sub-frame in relation, and the first sequence and the second sequence
Be interfered cell user distribution multiple control channel unit groups priority, and the second base station be in present sub-frame by
Disturb cell user distribution multiple control channel unit groups priority, and then according to first sequence and second sequence whether phase
With and the priority of each control channel unit group determine the first control channel unit group and the second control channel unit group, and refer to
Show that first base station application the first control channel unit group sends the control information that PDCCH is carried to the user of interfered cell, together
When indicate second base station applies the second control channel unit group to send the controls that are carried of PDCCH to the user of disturbed cell to believe
Breath.So as to effectively improve the probability that disturbed user is properly received control information, the influence of signal is avoided interference significantly, improve use
Family Experience Degree.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above method embodiment can pass through
Programmed instruction related hardware is completed, and foregoing program can be stored in a computer read/write memory medium, the program
Upon execution, the step of including above method embodiment is performed；And foregoing storage medium includes：ROM, RAM, magnetic disc or light
Disk etc. is various can be with the medium of store program codes.
Fig. 3 is the structural representation of an information transmission control apparatus provided in an embodiment of the present invention, as shown in figure 3, should
Information transmission control apparatus include：Distribute module 11 and control module 12, wherein, distribute module 11 is used to determine that first base station exists
In present sub-frame for interfered cell user distribute the first control channel unit group and the second base station in the present sub-frame
It is the second control channel unit group that the user of disturbed cell distributes, wherein, corresponding to the first control channel unit group
Running time-frequency resource aligns with the non-time-frequency of running time-frequency resource corresponding to the second control channel unit group；Control module 12 is used to indicate
First control channel unit group described in the first base station application sends physical down control letter to the user of the interfered cell
The control information that road PDCCH is carried, while indicating the second control channel unit group described in second base station applies to described
The user of disturbed cell sends the control information that PDCCH is carried.
The function and handling process of each module, may refer to above-mentioned figure in the information transmission control apparatus that the present embodiment is provided
Embodiment of the method shown in 1, its realization principle is similar to, and here is omitted.
The information transmission control apparatus that the present embodiment is provided, by determining that first base station is interfered cell in present sub-frame
User's distribution the first control channel unit group and the second base station in present sub-frame for the user of disturbed cell distribute the
Two control channel unit groups, wherein, the non-time-frequency alignment of running time-frequency resource corresponding to two control channel unit groups, and indicate first
Base station applies the first control channel unit group sends the control information that PDCCH is carried to the user of interfered cell, while indicating
Second base station applies the second control channel unit group sends the control information that PDCCH is carried to the user of disturbed cell.So as to
The probability that disturbed user is properly received control information is effectively improved, the influence of signal is avoided interference significantly, improve Consumer's Experience
Degree.
Fig. 4 is the structural representation of another information transmission control apparatus provided in an embodiment of the present invention, as shown in figure 4,
Based on embodiment illustrated in fig. 3, distribute module 11 is specifically included：Acquiring unit 111, first processing units 112 and second processing list
Unit 113, wherein, acquiring unit 111 be used for obtain the first base station in the present sub-frame N number of running time-frequency resource particle it is excellent
First level carry out first sequence, and second base station in the present sub-frame N number of running time-frequency resource particle it is preferential grading
The second capable sequence, wherein, first sequence and the described second sequence include：The priority of n-th running time-frequency resource particle is high
In（N-1）The priority of individual running time-frequency resource particle, or, the priority of n-th running time-frequency resource particle is less than the（N-1）When individual
The priority of frequency resource particle；First processing units 112 are used to be matched somebody with somebody in advance in the present sub-frame according to the first base station
It is putting, from running time-frequency resource particle to the first mapping relations of resource grains subgroup, from resource grains subgroup to control channel unit
It is dry that the priority of N number of running time-frequency resource particle is obtained in the present sub-frame in two mapping relations, and first sequence
The priority of multiple candidate control channel unit groups of user's offer of cell is disturbed, according to second base station in the current son
It is being pre-configured with frame, from running time-frequency resource particle to the 3rd mapping relations of resource grains subgroup, believe to control from resource grains subgroup
The priority of N number of running time-frequency resource particle is obtained described current in 4th mapping relations of road unit, and second sequence
The priority of the multiple candidate control channel unit groups provided for the user of disturbed cell in subframe；Second processing unit 113 is used
In judge it is described first sequence and described second sequence it is whether identical, and then according to the user for interfered cell provide it is many
The priority of individual candidate control channel unit group, and multiple candidate control channel lists that the user for disturbed cell provides
The priority of tuple determines the first control channel unit group and the second control channel unit group.
Wherein, second processing unit 113 specifically for：If first sequence and the described second sequence phase are known in judgement
Together, then the priority selection priority of the multiple candidate control channel unit groups for being provided for the user of interfered cell according to is most
Control channel unit group high is the first control channel unit group, and provided according to the user for disturbed cell
The control channel unit group that the priority selection priority of multiple candidate control channel unit groups is minimum is the described second control letter
Road unit group；Or, the priority choosing of the multiple candidate control channel unit groups provided according to the user for interfered cell
The minimum control channel unit group of priority is selected for the first control channel unit group, and according to described for disturbed cell
The control channel unit group of the priority selection highest priority of multiple candidate control channel unit groups that user provides is described
Second control channel unit group；
If judge to know first sequence and the described second sequence conversely, if according to described as the user of interfered cell carries
The control channel unit group of the priority selection highest priority of the multiple candidate control channel unit groups for supplying is the described first control
Channel Elements group processed, and the multiple candidate control channel unit groups provided according to the user for disturbed cell priority
The control channel unit group for selecting highest priority is the second control channel unit group；Or, according to described small to disturb
The control channel unit group that the priority selection priority of multiple candidate control channel unit groups that the user in area provides is minimum is
The first control channel unit group, and the multiple candidate control channel units provided according to the user for disturbed cell
The control channel unit group that the priority selection priority of group is minimum is the second control channel unit group.
The function and handling process of each module, may refer to above-mentioned figure in the information transmission control apparatus that the present embodiment is provided
Embodiment of the method shown in 2, its realization principle is similar to, and here is omitted.
The information transmission control apparatus that the present embodiment is provided, are provided by obtaining first base station to N number of time-frequency in present sub-frame
The first sequence that the priority of source particle is carried out, and the second base station is to the priority of N number of running time-frequency resource particle in present sub-frame
The second sequence for carrying out, according to the mapping between the channel resource that first base station and the second base station are pre-configured with present sub-frame
The priority of N number of running time-frequency resource particle obtains first base station in present sub-frame in relation, and the first sequence and the second sequence
Be interfered cell user distribution multiple control channel unit groups priority, and the second base station be in present sub-frame by
Disturb cell user distribution multiple control channel unit groups priority, and then according to first sequence and second sequence whether phase
With and the priority of each control channel unit group determine the first control channel unit group and the second control channel unit group, and refer to
Show that first base station application the first control channel unit group sends the control information that PDCCH is carried to the user of interfered cell, together
When indicate second base station applies the second control channel unit group to send the controls that are carried of PDCCH to the user of disturbed cell to believe
Breath.So as to effectively improve the probability that disturbed user is properly received control information, the influence of signal is avoided interference significantly, improve use
Family Experience Degree.
Fig. 5 is the hardware architecture diagram of an information transmission control apparatus provided in an embodiment of the present invention, such as Fig. 5 institutes
Show, described information transmission control device 500 includes：Processor 501, memory 502, communication interface 503 and bus 504.Wherein,
Connected by bus 504 between the processor 501, memory 502 and communication interface 503.Bus 504 can be isa bus,
Pci bus or eisa bus etc..The bus can be divided into address bus, data/address bus, controlling bus etc..For ease of representing,
Only represented with a thick line in Fig. 5, it is not intended that only one bus or a type of bus.
Memory 502 is used to deposit program code, and described program code includes computer-managed instruction.Memory 502
Can be high speed random access memory, or nonvolatile memory（non-volatile memory）, for example, at least one
Magnetic disk storage.
Processor 501 performs described program code, is used for：
First base station is determined in present sub-frame for the first control channel unit group and that the user of interfered cell distributes
Two base stations are the second control channel unit group that the user of disturbed cell distributes in present sub-frame, wherein, first control
Running time-frequency resource corresponding to Channel Elements group aligns with the non-time-frequency of running time-frequency resource corresponding to the second control channel unit group；
The first control channel unit group described in the first base station application is indicated to send thing to the user of the interfered cell
The control information that reason down control channel PDCCH is carried, while indicating the second control channel described in second base station applies
Unit group sends the control information that PDCCH is carried to the user of the disturbed cell.
Further, the processor 501 determines that first base station is user's distribution of interfered cell in present sub-frame
First control channel unit group and the second base station are the second control channel list of user's distribution of disturbed cell in present sub-frame
The process of tuple is specifically included：
Obtain the first row that the first base station is carried out to the priority of N number of running time-frequency resource particle in the present sub-frame
Sequence, and the second sequence that second base station is carried out to the priority of N number of running time-frequency resource particle in the present sub-frame, its
In, first sequence and the described second sequence include：The priority of n-th running time-frequency resource particle is higher than the（N-1）Individual time-frequency
The priority of resource particle, or, the priority of n-th running time-frequency resource particle is less than the（N-1）Individual running time-frequency resource particle it is excellent
First level；
It is being pre-configured with the present sub-frame according to the first base station, from running time-frequency resource particle to resource grains subgroup
The first mapping relations, from resource grains subgroup to the second mapping relations of control channel unit, and it is described first sequence in it is N number of
The priority of running time-frequency resource particle obtains the multiple control channel lists distributed for the user of interfered cell in the present sub-frame
The priority of tuple；
It is being pre-configured with the present sub-frame according to second base station, from running time-frequency resource particle to resource grains subgroup
The 3rd mapping relations, from resource grains subgroup to the 4th mapping relations of control channel unit, and it is described second sequence in it is N number of
The priority of running time-frequency resource particle obtains the multiple control channel lists distributed for the user of disturbed cell in the present sub-frame
The priority of tuple；
Judge whether first sequence and the described second sequence identical, so according to it is described be interfered cell user point
The priority of the multiple control channel unit groups matched somebody with somebody, and multiple control channel units that the user for disturbed cell distributes
The priority of group determines the first control channel unit group and the second control channel unit group.
Further, the processor 501 judges whether first sequence and the described second sequence are identical, and then according to
The priority of multiple control channel unit groups that the user for interfered cell distributes, and described is the user of disturbed cell
The priority of multiple control channel unit groups of distribution determines the first control channel unit group and second control channel
Unit group, specifically includes：Process specifically include：
It is the user point of interfered cell according to if judgement knows that first sequence is identical with the described second sequence
The control channel unit group of the priority selection highest priority of the multiple control channel unit groups matched somebody with somebody is the described first control letter
Road unit group, and the priority selection of the multiple control channel unit groups distributed according to the user for disturbed cell is preferential
The minimum control channel unit group of level is the second control channel unit group；Or, according to it is described be the user of interfered cell
The control channel unit group that the priority selection priority of multiple control channel unit groups of distribution is minimum is the described first control
Channel Elements group, and the priority selection of the multiple control channel unit groups distributed according to the user for disturbed cell is excellent
First level highest control channel unit group is the second control channel unit group；
If judge to know first sequence and the described second sequence conversely, if divided according to the user for interfered cell
The control channel unit group of the priority selection highest priority of the multiple control channel unit groups matched somebody with somebody is the described first control letter
Road unit group, and the priority selection of the multiple control channel unit groups distributed according to the user for disturbed cell is preferential
Level highest control channel unit group is the second control channel unit group；Or, according to it is described be the user of interfered cell
The control channel unit group that the priority selection priority of multiple control channel unit groups of distribution is minimum is the described first control
Channel Elements group, and the priority selection of the multiple control channel unit groups distributed according to the user for disturbed cell is excellent
The minimum control channel unit group of first level is the second control channel unit group.
The processing stream of the program code in the information transmission control apparatus that the present embodiment is provided in computing device memory
Journey, may refer to above-mentioned shown embodiment of the method, and its realization principle is similar with technique effect, and here is omitted.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
Modified with to the technical scheme described in foregoing embodiments, or equivalent is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (4)
1. a kind of information sending control method, it is characterised in that including：
Determine that first base station is the first control channel unit group and the second base that the user of interfered cell distributes in present sub-frame
It is the second control channel unit group that the user of disturbed cell distributes to stand in the present sub-frame, wherein, first control
Running time-frequency resource corresponding to Channel Elements group aligns with the non-time-frequency of running time-frequency resource corresponding to the second control channel unit group；
The first control channel unit group described in the first base station application is indicated to be sent under physics to the user of the interfered cell
The control information that row control channel PDCCH is carried, while indicating the second control channel unit described in second base station applies
Group sends the control information that PDCCH is carried to the user of the disturbed cell；
It is described to determine first base station in present sub-frame for the first control channel unit group and that the user of interfered cell distributes
Two base stations are the second control channel unit group that the user of disturbed cell distributes in present sub-frame, are specifically included：
The first sequence that the first base station is carried out to the priority of N number of running time-frequency resource particle in the present sub-frame is obtained, with
And the second sequence that second base station is carried out to the priority of N number of running time-frequency resource particle in the present sub-frame, wherein, it is described
First sequence and the described second sequence include：The priority of n-th running time-frequency resource particle is higher than (N-1) individual running time-frequency resource particle
Priority, or, the priority of the priority of n-th running time-frequency resource particle less than (N-1) individual running time-frequency resource particle；
It is being pre-configured with the present sub-frame according to the first base station, from running time-frequency resource particle to resource grains subgroup
One mapping relations, from resource grains subgroup to the second mapping relations of control channel unit, and N number of time-frequency in first sequence
The priority of resource particle is obtained in the present sub-frame as multiple candidate control channel lists that the user of interfered cell provides
The priority of tuple；
It is being pre-configured with the present sub-frame according to second base station, from running time-frequency resource particle to resource grains subgroup
Three mapping relations, from resource grains subgroup to the 4th mapping relations of control channel unit, and N number of time-frequency in second sequence
The priority of resource particle is obtained in the present sub-frame as multiple candidate control channel lists that the user of disturbed cell provides
The priority of tuple；
Judge whether first sequence and the described second sequence are identical, and then provided according to the user for interfered cell
The priority of multiple candidate control channel unit groups, and multiple candidate control channels that the user for disturbed cell provides
The priority of unit group determines the first control channel unit group and the second control channel unit group.
2. information sending control method according to claim 1, it is characterised in that judgement first sequence and institute
State whether the second sequence is identical, and then the multiple candidate control channel unit groups provided according to the user for interfered cell
Priority, and the priority of multiple candidate control channel unit groups that the user for disturbed cell provides determines described
One control channel unit group and the second control channel unit group, specifically include：
If judging to know that first sequence is with the described second sequence identical, for the user of interfered cell provides described in basis
The control channel unit group of the priority selection highest priority of multiple control candidate's Channel Elements group is the described first control letter
Road unit group, and the priority of the multiple candidate control channel unit groups provided according to the user for disturbed cell is selected
The minimum control channel unit group of priority is the second control channel unit group；Or, according to described for interfered cell
The control channel unit group that the priority selection priority of multiple candidate control channel unit groups that user provides is minimum is described
First control channel unit group, and the multiple candidate control channel unit groups provided according to the user for disturbed cell
The control channel unit group of priority selection highest priority is the second control channel unit group；
If judge to know first sequence and the described second sequence conversely, if according to described as the user of interfered cell provides
The control channel unit group of the priority selection highest priority of multiple candidate control channel unit groups is the described first control letter
Road unit group, and the priority of the multiple candidate control channel unit groups provided according to the user for disturbed cell is selected
The control channel unit group of highest priority is the second control channel unit group；Or, according to described for interfered cell
The control channel unit group that the priority selection priority of multiple candidate control channel unit groups that user provides is minimum is described
First control channel unit group, and the multiple candidate control channel unit groups provided according to the user for disturbed cell
The minimum control channel unit group of priority selection priority is the second control channel unit group.
3. a kind of information transmission control apparatus, it is characterised in that including：
Distribute module, for determining that first base station is the first control channel list of user's distribution of interfered cell in present sub-frame
Tuple and the second base station are the second control channel unit group that the user of disturbed cell distributes in the present sub-frame, wherein,
Running time-frequency resource corresponding to the first control channel unit group is provided with the time-frequency corresponding to the second control channel unit group
The non-time-frequency alignment in source；
Control module, for indicating use of the first control channel unit group described in the first base station application to the interfered cell
Family sends the control information that physical downlink control channel PDCCH is carried, while indicating second described in second base station applies
Control channel unit group sends the control information that PDCCH is carried to the user of the disturbed cell；
The distribute module is specifically included：
Acquiring unit, is carried out for obtaining the first base station to the priority of N number of running time-frequency resource particle in the present sub-frame
First sequence, and second base station priority of N number of running time-frequency resource particle in the present sub-frame is carried out second
Sequence, wherein, first sequence and the described second sequence include：The priority of n-th running time-frequency resource particle is higher than (N-1)
The priority of individual running time-frequency resource particle, or, the priority of n-th running time-frequency resource particle is less than (N-1) individual running time-frequency resource grain
The priority of son；
First processing units, for it is being pre-configured with the present sub-frame according to the first base station, from running time-frequency resource grain
Son arrives the first mapping relations of resource grains subgroup, from resource grains subgroup to the second mapping relations of control channel unit, Yi Jisuo
The priority for stating N number of running time-frequency resource particle in the first sequence is obtained in the present sub-frame as the user of interfered cell provides
The priority of multiple candidate control channel unit groups, it is being pre-configured with the present sub-frame according to second base station, from
Running time-frequency resource particle is closed to the 3rd mapping relations of resource grains subgroup from resource grains subgroup to the 4th of control channel unit the mapping
It is disturbed cell that the priority of N number of running time-frequency resource particle is obtained in the present sub-frame in system, and second sequence
The priority of multiple candidate control channel unit groups that user provides；
Second processing unit, for judge it is described first sequence and described second sequence it is whether identical, and then according to it is described be dry
The priority of multiple candidate control channel unit groups of user's offer of cell is provided, and the user for disturbed cell provides
The priority of multiple candidate control channel unit groups determine the first control channel unit group and second control channel
Unit group.
4. information transmission control apparatus according to claim 3, it is characterised in that the second processing unit, it is specific to use
In：
If judging to know that first sequence is with the described second sequence identical, for the user of interfered cell provides described in basis
The control channel unit group of the priority selection highest priority of multiple candidate control channel unit groups is the described first control letter
Road unit group, and the priority of the multiple candidate control channel unit groups provided according to the user for disturbed cell is selected
The minimum control channel unit group of priority is the second control channel unit group；Or, according to described for interfered cell
The control channel unit group that the priority selection priority of multiple candidate control channel unit groups that user provides is minimum is described
First control channel unit group, and the multiple candidate control channel unit groups provided according to the user for disturbed cell
The control channel unit group of priority selection highest priority is the second control channel unit group；
If judge to know first sequence and the described second sequence conversely, if according to described as the user of interfered cell provides
The control channel unit group of the priority selection highest priority of multiple candidate control channel unit groups is the described first control letter
Road unit group, and the priority of the multiple candidate control channel unit groups provided according to the user for disturbed cell is selected
The control channel unit group of highest priority is the second control channel unit group；Or, according to described for interfered cell
The control channel unit group that the priority selection priority of multiple candidate control channel unit groups that user provides is minimum is described
First control channel unit group, and the multiple candidate control channel unit groups provided according to the user for disturbed cell
The minimum control channel unit group of priority selection priority is the second control channel unit group.
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|---|---|---|---|
| PCT/CN2013/083051 WO2015032066A1 (en) | 2013-09-06 | 2013-09-06 | Method and apparatus for controlling information transmission |
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| CN106034009B (en) * | 2015-03-16 | 2019-08-02 | 中国移动通信集团公司 | A kind of transmission method of physical layer control channel, base station and terminal |
| CN110719157B (en) | 2016-05-11 | 2021-05-18 | 华为技术有限公司 | Information sending method, information receiving method, user equipment and base station |
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| CN102412950A (en) * | 2011-11-15 | 2012-04-11 | 中兴通讯股份有限公司 | Coordination system of power of downlink control channel and method thereof |
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| CN102158964B (en) * | 2010-02-12 | 2014-03-12 | 华为技术有限公司 | Resource coordination method and device in communication system |
| EP2439984B1 (en) * | 2010-10-05 | 2015-09-02 | Alcatel Lucent | Interference mitigation on a physical downlink control channel |
| CN102802210B (en) * | 2011-05-23 | 2015-09-16 | 中兴通讯股份有限公司 | A kind of interference processing method of physical downlink control channel PDCCH minizone and system |
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| EP1973262A2 (en) * | 2007-03-21 | 2008-09-24 | Samsung Electronics Co., Ltd. | Method for mapping physical downlink control channel to resources and apparatus for transmitting/receiving the mapped physical downlink control in a wireless communication system |
| CN102412950A (en) * | 2011-11-15 | 2012-04-11 | 中兴通讯股份有限公司 | Coordination system of power of downlink control channel and method thereof |
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