CN107317610A - Message sending, receiving method and device, base station - Google Patents
Message sending, receiving method and device, base station Download PDFInfo
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- CN107317610A CN107317610A CN201610266508.5A CN201610266508A CN107317610A CN 107317610 A CN107317610 A CN 107317610A CN 201610266508 A CN201610266508 A CN 201610266508A CN 107317610 A CN107317610 A CN 107317610A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0602—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching
- H04B7/0608—Antenna selection according to transmission parameters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention provides a kind of message sending, receiving method and device, base station；Wherein, the message method includes：Service antenna belonging to base station is grouped, L antenna set is obtained, wherein, any two antenna in each antenna set of L antenna set is non-conterminous；The maximum antenna set of channel capacity is determined from L antenna set；One or more antenna is selected from the antenna set of determination；On one or more antennas of selection message is sent to terminal.By the present invention, solve extensive MIMO in correlation technique antenna selecting method computation complexity it is high the problem of.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of message sending, receiving method and device, base station.
Background technology
Extensive multi-input multi-output system (Multiple-Input Multiple-Output, abbreviation MIMO) has more
High transmission rate, stronger link reliability, and power consumption can be significantly decreased, therefore cause the extensive pass of people
One of note, and the candidate technologies as next generation mobile communication network (5G).Because it can be thousands of up to a hundred in base station deployment
Antenna, once perplexing the problem of conventional MIMO technology such as abundant scattering environments, for extensive MIMO no longer
It is a problem, because (user antenna number) independent channel is bound to exist in so huge channel space.
But, with the increase of number of antennas, the burden of cost and the corresponding signal processing of system increasingly can not yet
Bear.In order to reduce cost, and corresponding signal transacting burden is reduced, while retaining the antenna institute of tremendous amount to greatest extent
The performance gain brought, just seems essential using emitting antenna selecting technology.Using emitting antenna selecting technology, it can drop
The quantity of radio frequency (Radio Frequency, abbreviation RF) module required for low, so that the cost of system is reduced, power attenuation,
And huge Digital Signal Processing burden.Although optimal transmitting antenna subset can be obtained by the method for exhaustion, thoroughly
The computation complexity of act method is added to exponential growth with available antenna number.Thus, in large-scale mimo system
In, because available number of antennas is excessively huge, the method for exhaustion is unpractical, can not even be used sometimes.
In conventional mimo system, also there are many low complex degrees, to obtain algorithm of the suboptimal solution as target.Its
In, including the random algorithm based on maximum channel capacity or maximum signal noise ratio principle, it is incremented by (descending) algorithm, increment maximum (subtracts
Amount is minimum) algorithm, the norm algorithm based on channel matrix etc..However, there are many squares during implementation in these technologies
Battle array operation for the larger extensive mimo system of alternative antenna radix and is not applied to, it is necessary to very big calculating space.The opposing party
Face, the mutual coupling effect disposed in limited space between substantial amounts of antenna, bay can not be ignored.
Thus, it is possible to consider mutual coupling effect between intensive bay, antenna is made in defined time and calculating space
Trade-off decision simultaneously ensures that relatively good performance becomes particularly important for extensive mimo system.
For above-mentioned technical problem, effective solution is not yet proposed at present.
The content of the invention
The embodiments of the invention provide a kind of message sending, receiving method and device, base station, at least to solve correlation technique
In extensive MIMO antenna selecting method computation complexity it is high the problem of.
According to one embodiment of present invention there is provided a kind of message method, including：To the service day belonging to base station
Line is grouped, and obtains L antenna set, wherein, any two antenna in each antenna set of L antenna set is not
It is adjacent；The maximum antenna set of channel capacity is determined from L antenna set；From the antenna set of determination select one or
Multiple antennas；On one or more antennas of selection message is sent to terminal.
Alternatively, any two antenna in each antenna set of L antenna set it is non-conterminous including：L antenna
The physical separation between any two antenna in each antenna set of set is more than predetermined threshold.
Alternatively, the service antenna belonging to base station is grouped by least one of mode：Service antenna is pressed
According to order N number of set is obtained per continuous L roots antenna as a set；To the antenna in each set in N number of set according to
Same rule is numbered；Using numbering identical antenna in N number of set as an antenna set, L antenna set is obtained；Its
In, N is floor (Nt/L), and Nt is the number of service antenna；Nt is more than L.And Nt, N are positive number integer, floor () is downward
Bracket function；It is random that service antenna is divided into the set of L groups, wherein, each group of set in the set of L groups includes M antenna, the M
The physical separation between any two antenna in individual antenna is both greater than predetermined threshold, and M is integer；L group set is defined as L
Antenna set.
Alternatively, one or more antenna is selected to include from the antenna set of determination：By in the antenna set of determination
Continuous Ns antenna be used as a composite window；Composite window is moved successively in antenna set, R combination is obtained；Wherein, R
Each combination in individual combination includes Ns antenna, and R, Ns are integer；The maximum group of channel capacity is determined from R combination
Close；By one or more antenna of determined combination alternatively.
Alternatively, the continuous Ns antenna in the antenna set using determination is as before a composite window, and method is also wrapped
Include, each row in the corresponding channel matrix of the antenna set of determination are entered into rearrangement according to preset rules；Wherein, preset rules
For：Ascending order is carried out to the element in each row for size according to the mould of the element in each row or descending is arranged.
According to another embodiment of the invention there is provided a kind of message receival method, including：
Service antenna belonging to base station is grouped, L antenna set is obtained, wherein, L antenna set each
Any two antenna in antenna set is non-conterminous；The maximum antenna set of channel capacity is determined from L antenna set；From true
One or more antenna is selected in fixed antenna set；What receiving terminal was sent on one or more antennas of selection disappears
Breath.
Alternatively, any two antenna in each antenna set of L antenna set it is non-conterminous including：L antenna
The physical separation between any two antenna in each antenna set of set is more than predetermined threshold.
Alternatively, the service antenna belonging to base station is grouped by least one of mode：Service antenna is pressed
According to order N number of set is obtained per continuous L roots antenna as a set；To the antenna in each set in N number of set according to
Same rule is numbered；Using numbering identical antenna in N number of set as an antenna set, L antenna set is obtained；Its
In, N is floor (Nt/L), and Nt is the number of service antenna；Nt is more than L, and Nt, N are positive number integer, and floor () is downward
Bracket function；It is random that service antenna is divided into the set of L groups, wherein, each group of set in the set of L groups includes M antenna, the M
The physical separation between any two antenna in individual antenna is both greater than predetermined threshold, and M is integer；L group set is defined as L
Antenna set.
Alternatively, one or more antenna is selected to include from the antenna set of determination：In the antenna set of determination
Continuous Ns antenna is used as a composite window；Composite window is moved successively in antenna set, R combination is obtained；Wherein, R
Each combination in combination includes Ns antenna, and R, Ns are integer；The maximum combination of channel capacity is determined from R combination；
By one or more antenna of determined combination alternatively.
Alternatively, it is determined that antenna set in continuous Ns antenna as a composite window before, method also includes,
Each row in the corresponding channel matrix of the antenna set of determination are entered into rearrangement according to preset rules；Wherein, preset rules are：
Ascending order is carried out to the element in each row for size according to the mould of the element in each row or descending is arranged.
According to another embodiment of the invention there is provided a kind of message dispensing device, including：
Grouping module, for being grouped to the service antenna belonging to base station, obtains L antenna set, wherein, L day
Any two antenna in each antenna set of line set is non-conterminous；Determining module, for being determined from L antenna set
The maximum antenna set of channel capacity；Selecting module, for selecting one or more antenna from the antenna set of determination；Hair
Module is sent, for sending message to terminal on one or more antennas of selection.
Alternatively, any two antenna in each antenna set of L antenna set it is non-conterminous including：L antenna
The physical separation between any two antenna in each antenna set of set is more than predetermined threshold.
Alternatively, grouping module is additionally operable to divide the service antenna belonging to base station by least one of mode
Group：Using service antenna in sequence per continuous L roots antenna as a set, N number of set is obtained；To each in N number of set
Antenna in set is numbered according to same rule；Using numbering identical antenna in N number of set as an antenna set, obtain
To L antenna set；Wherein, N is floor (Nt/L), and Nt is the number of service antenna；Nt is more than L, and Nt, N are that positive number is whole
Number, floor () is downward bracket function；It is random that service antenna is divided into the set of L groups, wherein, each group of set in the set of L groups
Comprising M antenna, the physical separation between any two antenna in the M antenna is both greater than predetermined threshold, and M is integer；By L
Group set is defined as L antenna set.
Alternatively, selecting module, is additionally operable to the continuous Ns antenna in the antenna set of determination as a composite window；Will
Composite window is moved successively in antenna set, obtains R combination；Wherein, each combination in R combination includes Ns day
Line, R, Ns are integer；The maximum combination of channel capacity is determined from R combination；And by determined combination alternatively one
Individual or multiple antennas.
According to another embodiment of the invention there is provided a kind of message receiving apparatus, including：Grouping module, for pair
Service antenna belonging to base station is grouped, and obtains L antenna set, wherein, in each antenna set of L antenna set
Any two antenna it is non-conterminous；Determining module, for determining the maximum antenna set of channel capacity from L antenna set；
Selecting module, for selecting one or more antenna from the antenna set of determination；Receiving module, at one of selection
Or the message that receiving terminal is sent on multiple antennas.
Alternatively, any two antenna in each antenna set of L antenna set it is non-conterminous including：L antenna
The physical separation between any two antenna in each antenna set of set is more than predetermined threshold.
Alternatively, grouping module is used to be grouped the service antenna belonging to base station by least one of mode：
Using service antenna in sequence per continuous L roots antenna as a set, N number of set is obtained；To each set in N number of set
In antenna be numbered according to same rule；Using numbering identical antenna in N number of set as an antenna set, L is obtained
Individual antenna set；Wherein, N is floor (Nt/L), and Nt is the number of service antenna；Nt is more than L.And Nt/, N are that positive number is whole
Number, floor () is downward bracket function；It is random that service antenna is divided into the set of L groups, wherein, each group of set in the set of L groups
Comprising M antenna, the physical separation between any two antenna in the M antenna is both greater than predetermined threshold, and M is integer；By L
Group set is defined as L antenna set.
Alternatively, selecting module be additionally operable to determine antenna set in continuous Ns antenna as a composite window；Will
Composite window is moved successively in antenna set, obtains R combination；Wherein, each combination in R combination includes Ns day
Line, R, Ns are integer；The maximum combination of channel capacity is determined from R combination；And by determined combination alternatively one
Individual or multiple antennas.
According to another embodiment of the invention there is provided a kind of base station, including：Above-mentioned message dispensing device.
According to another embodiment of the invention there is provided a kind of base station, including：Above-mentioned message receiving apparatus.
According to still another embodiment of the invention, a kind of storage medium is additionally provided.The storage medium is set to storage and used
In the program code for performing following steps：Service antenna belonging to base station is grouped, L antenna set is obtained, wherein, L
Any two antenna in each antenna set of individual antenna set is non-conterminous；Channel capacity is determined from L antenna set
Maximum antenna set；One or more antenna is selected from the antenna set of determination；In one or more antennas of selection
On to terminal send message.
Alternatively, storage medium is also configured to the program code that storage is used to perform following steps：By service antenna according to
Order, as a set, obtains N number of set per continuous L roots antenna；To the antenna in each set in N number of set according to phase
It is numbered with rule；Using numbering identical antenna in N number of set as an antenna set, L antenna set is obtained；Its
In, N is floor (Nt/L), and Nt is the number of service antenna；Nt is more than L, and Nt, N are positive number integer, and floor () is downward
Bracket function.
Alternatively, storage medium is also configured to the program code that storage is used to perform following steps：At random by service antenna
Be divided into the set of L groups, wherein, each group of set in the set of L groups include any two antenna in M antenna, the M antenna it
Between physical separation be both greater than predetermined threshold, M is integer；L group set is defined as L antenna set.
Alternatively, storage medium is also configured to the program code that storage is used to perform following steps：By the antenna set of determination
Continuous Ns antenna in conjunction is used as a composite window；Composite window is moved successively in antenna set, R combination is obtained；Its
In, each combination in R combination includes Ns antenna, and R, Ns are integer；Channel capacity maximum is determined from R combination
Combination；By one or more antenna of determined combination alternatively.
By the present invention, by being grouped to service antenna, the antenna set of the channel capacity maximum obtained from packet
Middle one or more antenna of determination is transmitted or received message, and then eliminates substantial amounts of matrix manipulation, reduces meter
The complexity of calculation, solve extensive MIMO in correlation technique antenna selecting method computation complexity it is high the problem of.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the schematic diagram of the network architecture according to embodiments of the present invention；
Fig. 2 is the flow chart of message method according to embodiments of the present invention；
Fig. 3 is the flow chart of message receival method according to embodiments of the present invention；
Fig. 4 is antenna packet schematic diagram according to the preferred embodiment of the invention；
Fig. 5 is the window selection schematic diagram provided according to the preferred embodiment of the present invention；
Fig. 6 is the flow chart of the extensive antenna system antenna selecting plan provided according to the preferred embodiment of the present invention；
Fig. 7 is the algorithm flow chart of second step according to the preferred embodiment of the invention；
Fig. 8 is the structured flowchart of message dispensing device according to embodiments of the present invention；
Fig. 9 is the structured flowchart of message receiving apparatus according to embodiments of the present invention.
Embodiment
Describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that not conflicting
In the case of, the feature in embodiment and embodiment in the application can be mutually combined.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.
Embodiment 1
The embodiment of the present application can be run in the network architecture shown in Fig. 1, as shown in figure 1, the network architecture includes：Base
Stand and terminal, wherein, base station can also receive disappearing for base station transmission by antenna to terminal transmission message by antenna
Breath.
A kind of message method run in the above-mentioned network architecture is provided in the present embodiment, and Fig. 2 is according to this
The flow chart of the message method of inventive embodiments, as shown in Fig. 2 the flow comprises the following steps：
Step S202, is grouped to the service antenna belonging to base station, obtains L antenna set, wherein, L antenna set
Any two antenna in each antenna set closed is non-conterminous；
Step S204, determines the maximum antenna set of channel capacity from L antenna set；
Step S206, selects one or more antenna from the antenna set of determination；
Step S208, message is sent on one or more antennas of selection to terminal.
Above-mentioned steps, by being grouped to service antenna, in the antenna set of the channel capacity maximum obtained from packet
Determine that one or more antenna is transmitted or received message, and then eliminate substantial amounts of matrix manipulation, save calculating
Complexity, solve extensive MIMO in correlation technique antenna selecting method computation complexity it is high the problem of.
In addition, it is necessary to illustrate, any two antenna in each antenna set in above-mentioned L antenna set is not
It is adjacent, the mutual coupling effect between antenna can be reduced to a certain extent.
It should be noted that it can be that physical location between two antennas is non-conterminous that two antennas are non-conterminous, can also
It is that the numbering between two antennas is non-conterminous after service antenna serial number, can is that the physical separation between two antennas is big
In predetermined threshold, however it is not limited to this.It should be noted that predetermined threshold can be set according to actual conditions, predetermined threshold
Bigger, the mutual coupling effect between antenna is smaller, thus in certain scope, larger predetermined threshold is set as far as possible, to avoid
Distance is too small between bay, the channel capacity loss that mutual coupling effect is brought.
In one embodiment of the invention, the above-mentioned steps S202 forms of expression can have a variety of, but be not limited to this：The
One kind, using service antenna in sequence per continuous L roots antenna as a set, obtains N number of set；To every in N number of set
Antenna in individual set is numbered according to same rule；Using numbering identical antenna in N number of set as an antenna set,
Obtain L antenna set；Wherein, N is floor (Nt/L), and Nt is the number of service antenna；Nt is more than L, and Nt, N are positive number
Integer, floor () is downward bracket function；Second, service antenna is divided into the set of L groups at random, wherein, in the set of L groups
The physical separation that each group of set is included between any two antenna in M antenna, the M antenna is both greater than predetermined threshold, M
For integer；L group set is defined as L antenna set.For the first form of expression, it is grouped in L obtained antenna set
Each antenna set in antenna between have identical physics spacing；For second of form of expression, L obtained are grouped
There can be different physics spacing between the antenna in each antenna set in antenna set, be more than in advance as long as meeting physics spacing
Determine threshold value.The first above-mentioned form of expression can also approximately ensure that the influence of mutual coupling in each antenna set is about the same,
No matter which kind of form of expression used, computational complexity can not only be all reduced, be also ensure that between antenna set internal antenna array element
Enough distances, and then effectively reduce the influence of mutual coupling effect.
In one embodiment of the invention, above-mentioned steps S206 can be shown as：By the company in the antenna set of determination
Continue Ns antenna and be used as a composite window；Composite window is moved successively in antenna set, R combination is obtained；Wherein, R group
Each combination in conjunction includes Ns antenna, and R, Ns are integer；The maximum combination of channel capacity is determined from R combination；Will
One or more antenna of determined combination alternatively.Compared with the mode of iteration in MIMO technology in the prior art, adopt
The complexity of calculating is reduce further with the mode for moving window.
Below to move window thought carry out illustrated in greater detail, it is assumed that it is determined that the corresponding channel matrix of antenna set be：Wherein,Represent all antennas in the antenna set of the determination between reception terminal i
Channel matrix, i=1,2 ... N.By continuous NsRoot antenna is defined as a window.For example, the 1st corresponding channel coefficients of window areThe 2nd corresponding channel coefficients of window areW-th of window correspondence
Channel coefficients beCorresponding channel capacity is designated asWherein, w=1,2 ..., N-Ns+
1；W=1 is made, calculating is obtainedW=w+1, comparesWithSize, ifwmax=w, otherwise, wmax=w-
1；If w ＜ N-Ns+ 1 repeats above-mentioned comparison procedure；Otherwise, next step is gone to；WmaxThe corresponding antenna combination of individual window is
One or more antenna of above-mentioned selection.
It should be noted that continuous Ns antenna in the antenna set using determination is as before a composite window, side
Method also includes, and each row in the corresponding channel matrix of the antenna set of determination are entered into rearrangement according to preset rules；Wherein, in advance
If rule is：Ascending order is carried out to the element in each row for size according to the mould of the element in each row or descending is arranged.Also
Be using the corresponding channel matrix of the antenna set of determination as：Exemplified by, carry out shifting window before, it is necessary to
CalculateIn each row in each element mould, that is, calculate Represent
It is rightSquare of amount of orientation norm,RepresentIn n-th element, wherein, according to the result of calculating to it is each row carry out
Reset.It is ranked up by the row to channel matrix, its essence is according to total channel capacity contribution to all users
Antenna is ranked up.
A kind of message receival method run in the above-mentioned network architecture is additionally provided in the present embodiment, and Fig. 3 is basis
The flow chart of the message receival method of the embodiment of the present invention, as shown in figure 3, the flow comprises the following steps：
Step S302, is grouped to the service antenna belonging to base station, obtains L antenna set, wherein, L antenna set
Any two antenna in each antenna set closed is non-conterminous；
Step S304, determines the maximum antenna set of channel capacity from L antenna set；
Step S306, selects one or more antenna from the antenna set of determination；
Step S308, the message that receiving terminal is sent on one or more antennas of selection.
Above-mentioned steps, by being grouped to service antenna, in the antenna set of the channel capacity maximum obtained from packet
Determine that one or more antenna is transmitted or received message, and then eliminate substantial amounts of matrix manipulation, save calculating
Complexity, solve extensive MIMO in correlation technique antenna selecting method computation complexity it is high the problem of.
In addition, it is necessary to illustrate, any two antenna in each antenna set in above-mentioned L antenna set is not
It is adjacent, the mutual coupling effect between antenna can be reduced to a certain extent.
It should be noted that it can be that physical location between two antennas is non-conterminous that two antennas are non-conterminous, can also
It is that the numbering between two antennas is non-conterminous after service antenna serial number, can is that the physical separation between two antennas is big
In predetermined threshold, however it is not limited to this.It should be noted that predetermined threshold can be set according to actual conditions, predetermined threshold
Bigger, the mutual coupling effect between antenna is smaller, thus in certain scope, larger predetermined threshold is set as far as possible, to avoid
Distance is too small between bay, the channel capacity loss that mutual coupling effect is brought.
In one embodiment of the invention, the above-mentioned steps S302 forms of expression can have a variety of, but be not limited to this：The
One kind, using service antenna in sequence per continuous L roots antenna as a set, obtains N number of set；To every in N number of set
Antenna in individual set is numbered according to same rule；Using numbering identical antenna in N number of set as an antenna set,
Obtain L antenna set；Wherein, N is floor (Nt/L), and Nt is the number of service antenna；Nt is more than L, and Nt, N are positive number
Integer, floor () is downward bracket function；Second, service antenna is divided into the set of L groups at random, wherein, in the set of L groups
The physical separation that each group of set is included between any two antenna in M antenna, the M antenna is both greater than predetermined threshold, M
For integer；L group set is defined as L antenna set.For the first form of expression, it is grouped in L obtained antenna set
Each antenna set in antenna between have identical physics spacing；For second of form of expression, L obtained are grouped
There can be different physics spacing between the antenna in each antenna set in antenna set, be more than in advance as long as meeting physics spacing
Determine threshold value.The first above-mentioned form of expression can also approximately ensure that the influence of mutual coupling in each antenna set is about the same,
No matter which kind of form of expression used, computational complexity can not only be all reduced, be also ensure that between antenna set internal antenna array element
Enough distances, and then effectively reduce the influence of mutual coupling effect.
In one embodiment of the invention, above-mentioned steps S306 can be shown as：By the company in the antenna set of determination
Continue Ns antenna and be used as a composite window；Composite window is moved successively in antenna set, R combination is obtained；Wherein, R group
Each combination in conjunction includes Ns antenna, and R, Ns are integer；The maximum combination of channel capacity is determined from R combination；Will
One or more antenna of determined combination alternatively.Compared with the mode of iteration in MIMO technology in the prior art, adopt
The complexity of calculating is reduce further with the mode for moving window.
Below to move window thought carry out illustrated in greater detail, it is assumed that it is determined that the corresponding channel matrix of antenna set be：Wherein,Represent all antennas in the antenna set of the determination between reception terminal i
Channel matrix, i=1,2 ... N.By continuous NsRoot antenna is defined as a window.For example, the 1st corresponding channel coefficients of window areThe 2nd corresponding channel coefficients of window areW-th of window correspondence
Channel coefficients beCorresponding channel capacity is designated asWherein, w=1,2 ..., N-Ns
+1；W=1 is made, calculating is obtainedW=w+1, comparesWithSize, ifwmax=w, otherwise, wmax=
w-1；If w ＜ N-Ns+ 1 repeats above-mentioned comparison procedure；Otherwise, next step is gone to；WmaxThe corresponding antenna combination of individual window is
For one or more antenna of above-mentioned selection.
It should be noted that continuous Ns antenna in the antenna set using determination is as before a composite window, side
Method also includes, and each row in the corresponding channel matrix of the antenna set of determination are entered into rearrangement according to preset rules；Wherein, in advance
If rule is：Ascending order is carried out to the element in each row for size according to the mould of the element in each row or descending is arranged.Also
Be using the corresponding channel matrix of the antenna set of determination as：Exemplified by, carry out shifting window before, it is necessary to
CalculateIn each row in each element mould, that is, calculate Table
Show pairSquare of amount of orientation norm,RepresentIn n-th element, wherein, according to the result of calculating to it is each arrange into
Rearrangement.It is ranked up by the row to channel matrix, its essence is contribute big according to total channel capacity to all users
It is small that antenna is ranked up.
Alternatively, the executive agent of above-mentioned steps can be for base station etc., but not limited to this.
For a better understanding of the present invention, below in conjunction with preferred embodiment, the present invention is further explained.
Sent or method of reseptance the embodiments of the invention provide a kind of preferred message, including：
Step 1, all service users of base station are to the base station feedback channel condition information, and the base station is from all services
User feedback obtains accurate downlink channel condition information；
Step 2, all alternative antennas are grouped, it is assumed that the power distribution of all selection antennas is uniform, meter
The channel capacity that each group of service antenna has is calculated, that group antenna set with maximum channel capacity is then selected；
Step 3, after step 2, select final required antenna again in the antenna set that preliminary screening comes out
Number.
For multiuser downstream MIMO broadcast channels, base station side is configured with NtRoot antenna (NtIt is larger), so multiple antennas is one
In the antenna area of individual fixation, because antenna spacing is smaller, influenceed more serious by spatial coherence and mutual coupling effect, needed therefrom
Choose NsRoot antenna is used as last actual use antenna.If the base station service user number is K, the reception antenna of each user
Number is 1.
The reception signal of k-th of user can be expressed as：
Channel matrix can be expressed asW=[w1, w2..., wk,
...wK] wherein " T " representing matrix transposition,Wherein,Represent that K is multiplied by NtThe square of dimension
Battle array,Represent NtIt is multiplied by the matrix of K dimensions, then, the reception signal of all users can be expressed as
Y=HWPx+n
X=[x1 x2...xK]T, wherein,
Represent all antennas to receive user i between channel matrix, i=1,2 ..., K；
wiRepresent the precoding vector of i-th of user, i=1,2 ..., K；
xiRepresent to be sent to user i symbol, i=1,2 ..., K；
pkRepresent the transmit power of each user.
Assuming that transmitting terminal knows complete channel condition information, and use ZF precoding
W=H+=HH(HHH)-1
In above-mentioned formula, "+" represents pseudoinverse, and " H " represents hermitian transposition.
So, power system capacityAndpcRepresent base station
The maximum transmission power in side.
Assuming that transmitting terminal takes constant power to distribute, then have
In above-mentioned formula, " | | | | " represent vector norm, the mark of " tr () " representing matrix
Here, by taking Macroscale homogenous linear array as an example, illustrate：
By taking Macroscale homogenous linear array as an example,
Continuous L roots antenna is divided into a set, antenna order numbering is 1,2 in each set ..., L, the collection being divided into
Closing number isWherein, " floor () " represents downward bracket function.If NtCan not be by L
Divide exactly, that is to say, that the antenna number in last set is more than L, then, the antenna having more is rejected at random, makes remaining day
Line number is L and by above-mentioned same rule numbers.
Next, numbering identical antenna in all set is divided into one group, g is designated as respectively1, g2... gL；Fig. 4 is root
Schematic diagram is grouped according to the antenna of the preferred embodiment of the present invention, specific packet situation is as shown in Figure 4；Then, operations described below is performed：
The first step：The channel capacity of all service antennas in each group is calculated, C is used respectively1, C2..., CLRepresent.Compare
C1, C2..., CLSize can obtain making in L groups one group of maximum antenna of channel capacity, corresponding group is used gmaxRepresent, note institute
The corresponding channel matrix of antenna of choosing is H '；
Second step：From a group gmaxIn select make power system capacity maximum include NSThe antenna combination of root antenna, is required.
Explanation：In general, distance is nearer between bay, and mutual coupling effect is more obvious.Antenna point mentioned by this patent
Prescription method can approx ensure that the influence of mutual coupling in every group of antenna is about the same.And, it is ensured that between group internal antenna array element
Enough distances, so as to the influence of effectively less mutual coupling effect.Packet size can be according to the actual conditions of allocating antenna
Depending on.In addition, in second step, can be without introducing mutual coupling matrix when we compare channel capacity according to channel matrix calculating.
Maximum only need to be found out in the first step, is realized relatively simple.
It is as follows that second step implements process：
H ' is first written as form,
S1, calculate respectivelyAnd result of calculation is sorted, obtainIn order to each row weight in H '
Row, obtains
S2.1, the concept of introducing " window ", we are by continuous NsRoot antenna is defined as a window.For example, the 1st window correspondence
Channel coefficients beThe 2nd corresponding channel coefficients of window are
The corresponding channel coefficients of w-th of window areCorresponding channel capacity is designated asWherein, w=
1,2 ..., N-Ns+ 1, Fig. 5 are the window selection schematic diagrames provided according to the preferred embodiment of the present invention, as shown in figure 5, window
Length is exactly the final required number of antennas chosen；S2.2, w=1 is made, calculating is obtainedS2.3, w=w+1, compareWithSize, ifwmax=w, otherwise, wmax=w-1；If S2.4, w ＜ N-Ns+ 1 repeats S2.3；Otherwise, turn
To next step；S2.5, wmaxThe corresponding antenna combination of individual window is required.
Above-mentioned second step reduce further meter compared to iteration thought in existing MIMO technology, " shifting window " thought of proposition
Calculate complexity.The row of channel matrix are ranked up in step S2.1, its essence is according to total channel appearance to all users
Amount contribution is ranked up (from previously mentioned channel capacity calculation formula) to antenna.
The extensive antenna system day line options that the preferred embodiment of the present invention is provided take the strategy of " two steps are walked ", Mei Yibu
All in reduction computation complexity.Meanwhile, the first step also avoid distance between bay it is too small when, the channel that mutual coupling effect is brought
Capacitance loss.
Fig. 6 is the flow chart of the extensive antenna system antenna selecting plan provided according to the preferred embodiment of the present invention；Such as
Shown in Fig. 6, this method includes：
S601, base station side estimation channel parameter, set up channel matrix；
S602, base station side carry out antenna packet；
S603, the channel capacity for calculating all service antennas in every group respectively, and compare size, preliminary screening goes out target day
Line combines gmax；
S604, from the antenna combination g selectedmaxIn select N againSRoot antenna.
Fig. 7 is the algorithm flow chart of second step according to the preferred embodiment of the invention, as shown in fig. 7, method includes：
S701, initialization, w=1, calculating are obtained
Circulation starts：
S702, calculating
S703, compareWithSize, ifwmax=w, otherwise, wmax=w-1；
S704, wmaxThe corresponding antenna combination of individual window is required.
Circulation terminates.
Pass through the preferred embodiment of the present invention, it is possible to achieve following purpose：One purpose is to provide a kind of be applied on a large scale
MIMO antenna selecting method, to solve the above mentioned problem of prior art, reduction complexity and calculating space；Another purpose is
A kind of antenna selecting system suitable for extensive MIMO is provided, spatial coherence and the shadow of mutual coupling effect can be considered simultaneously
Ring.
Through the above description of the embodiments, those skilled in the art can be understood that according to above-mentioned implementation
The method of example can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but a lot
In the case of the former be more preferably embodiment.Understood based on such, technical scheme is substantially in other words to existing
The part that technology contributes can be embodied in the form of software product, and the computer software product is stored in a storage
In medium (such as ROM/RAM, magnetic disc, CD), including some instructions are to cause a station terminal equipment (can be mobile phone, calculate
Machine, server, or network equipment etc.) perform method described in each of the invention embodiment.
Embodiment 2
A kind of message dispensing device is additionally provided in the present embodiment, and the device is used to realize above-described embodiment and preferred real
Mode is applied, repeating no more for explanation had been carried out.As used below, term " module " can realize the soft of predetermined function
The combination of part and/or hardware.Although the device described by following examples is preferably realized with software, hardware, or
The realization of the combination of software and hardware is also that may and be contemplated.
Fig. 8 is the structured flowchart of message dispensing device according to embodiments of the present invention, as shown in figure 8, the device includes：
Grouping module 82, for being grouped to the service antenna belonging to base station, obtains L antenna set, wherein, L
Any two antenna in each antenna set of antenna set is non-conterminous；
Determining module 84, is connected with above-mentioned grouping module 82, for determining channel capacity maximum from L antenna set
Antenna set；
Selecting module 86, is connected with above-mentioned determining module 84, for the selection one or many from the antenna set of determination
Individual antenna；
Sending module 88, is connected with above-mentioned selecting module 86, for being sent out on one or more antennas of selection to terminal
Send message.
By said apparatus, grouping module 82 is grouped to service antenna, determining module 84 and selecting module 86 from point
Determine that one or more antenna is transmitted message in the antenna set for the channel capacity maximum that group is obtained, and then eliminate big
The matrix manipulation of amount, saves the complexity of calculating, and the antenna selecting method for solving extensive MIMO in correlation technique is calculated
The problem of complexity is high.
In addition, it is necessary to illustrate, any two antenna in each antenna set in above-mentioned L antenna set is not
It is adjacent, the mutual coupling effect between antenna can be reduced to a certain extent.
It should be noted that it can be that physical location between two antennas is non-conterminous that two antennas are non-conterminous, can also
It is that the numbering between two antennas is non-conterminous after service antenna serial number, can is that the physical separation between two antennas is big
In predetermined threshold, however it is not limited to this.It should be noted that predetermined threshold can be set according to actual conditions, predetermined threshold
Bigger, the mutual coupling effect between antenna is smaller, thus in certain scope, larger predetermined threshold is set as far as possible, to avoid
Distance is too small between bay, the channel capacity loss that mutual coupling effect is brought.
In one embodiment of the invention, above-mentioned grouping module 82 can be also used for by least one of mode pair
Service antenna belonging to base station is grouped：Mode one：It regard service antenna as a collection per continuous L roots antenna in sequence
Close, obtain N number of set；Antenna in each set in N number of set is numbered according to same rule；By in N number of set
Numbering identical antenna obtains L antenna set as an antenna set；Wherein, N is floor (Nt/L), and Nt is service day
The number of line；Nt is more than L, and Nt, N are positive number integer, and floor () is downward bracket function；Mode two, will service day at random
Line is divided into the set of L groups, wherein, each group of set in the set of L groups includes any two antenna in M antenna, the M antenna
Between physical separation be both greater than predetermined threshold, M is integer；L group set is defined as L antenna set.
It should be noted that for mode one, being grouped the day in each antenna set in L obtained antenna set
There is identical physics spacing between line；For mode two, the day in each antenna set in L obtained antenna set is grouped
There can be different physics spacing between line, as long as meeting physics spacing more than predetermined threshold.Aforesaid way one can also be near
Seemingly ensure that the influence of mutual coupling in each antenna set is about the same, no matter which kind of mode used, can not only all reduce computing and answer
Miscellaneous degree, also ensure that enough distances between antenna set internal antenna array element, and then effectively reduce the influence of mutual coupling effect.
In one embodiment of the invention, above-mentioned selecting module 86, is additionally operable to the continuous Ns in the antenna set of determination
Individual antenna is used as a composite window；Composite window is moved successively in antenna set, R combination is obtained；Wherein, in R combination
Each combination include Ns antenna, R, Ns are integer；The maximum combination of channel capacity is determined from R combination；And will
One or more antenna of determined combination alternatively.Selecting module 86 using move window by way of so that with it is existing
The mode of iteration is compared in MIMO technology in technology, reduce further the complexity of calculating.
In one embodiment of the invention, said apparatus can also include：Reordering module, for by the antenna of determination
, will be each in the corresponding channel matrix of the antenna set of determination before continuous Ns antenna in set is as a composite window
Row enter rearrangement according to preset rules；Wherein, preset rules are：According to the element in each row mould size in each row
Element carry out ascending order or descending arrangement.
According to another embodiment of the invention, a kind of message receiving apparatus should be provided, Fig. 9 is according to present invention implementation
The structured flowchart of the message receiving apparatus of example, as shown in figure 9, the device includes：
Grouping module 92, for being grouped to the service antenna belonging to base station, obtains L antenna set, wherein, L
Any two antenna in each antenna set of antenna set is non-conterminous；
Determining module 94, is connected with above-mentioned grouping module 92, for determining channel capacity maximum from L antenna set
Antenna set；
Selecting module 96, is connected with above-mentioned determining module 94, for the selection one or many from the antenna set of determination
Individual antenna；
Receiving module 98, is connected with above-mentioned selecting module 96, for the receiving terminal on one or more antennas of selection
The message of transmission.
By said apparatus, grouping module 92 is grouped to service antenna, determining module 94 and selecting module 96 from point
Determine that one or more antenna is transmitted message in the antenna set for the channel capacity maximum that group is obtained, and then eliminate big
The matrix manipulation of amount, saves the complexity of calculating, and the antenna selecting method for solving extensive MIMO in correlation technique is calculated
The problem of complexity is high.
In addition, it is necessary to illustrate, any two antenna in each antenna set in above-mentioned L antenna set is not
It is adjacent, the mutual coupling effect between antenna can be reduced to a certain extent.
It should be noted that it can be that physical location between two antennas is non-conterminous that two antennas are non-conterminous, can also
It is that the numbering between two antennas is non-conterminous after service antenna serial number, can is that the physical separation between two antennas is big
In predetermined threshold, however it is not limited to this.It should be noted that predetermined threshold can be set according to actual conditions, predetermined threshold
Bigger, the mutual coupling effect between antenna is smaller, thus in certain scope, larger predetermined threshold is set as far as possible, to avoid
Distance is too small between bay, the channel capacity loss that mutual coupling effect is brought.
In one embodiment of the invention, above-mentioned grouping module 92 can be also used for by least one of mode pair
Service antenna belonging to base station is grouped：Mode one：It regard service antenna as a collection per continuous L roots antenna in sequence
Close, obtain N number of set；Antenna in each set in N number of set is numbered according to same rule；By in N number of set
Numbering identical antenna obtains L antenna set as an antenna set；Wherein, N is floor (Nt/L), and Nt is service day
The number of line；Nt is more than L, and Nt, N are positive number integer, and floor () is downward bracket function；Mode two, will service day at random
Line is divided into the set of L groups, wherein, each group of set in the set of L groups includes any two antenna in M antenna, the M antenna
Between physical separation be both greater than predetermined threshold, M is integer；L group set is defined as L antenna set.
It should be noted that for mode one, being grouped the day in each antenna set in L obtained antenna set
There is identical physics spacing between line；For mode two, the day in each antenna set in L obtained antenna set is grouped
There can be different physics spacing between line, as long as meeting physics spacing more than predetermined threshold.Aforesaid way one can also be near
Seemingly ensure that the influence of mutual coupling in each antenna set is about the same, no matter which kind of mode used, can not only all reduce computing and answer
Miscellaneous degree, also ensure that enough distances between antenna set internal antenna array element, and then effectively reduce the influence of mutual coupling effect.
In one embodiment of the invention, above-mentioned selecting module 96, is additionally operable to the continuous Ns in the antenna set of determination
Individual antenna is used as a composite window；Composite window is moved successively in antenna set, R combination is obtained；Wherein, in R combination
Each combination include Ns antenna, R, Ns are integer；The maximum combination of channel capacity is determined from R combination；And will
One or more antenna of determined combination alternatively.Selecting module 86 using move window by way of so that with it is existing
The mode of iteration is compared in MIMO technology in technology, reduce further the complexity of calculating.
In one embodiment of the invention, said apparatus can also include：Reordering module, for by the antenna of determination
, will be each in the corresponding channel matrix of the antenna set of determination before continuous Ns antenna in set is as a composite window
Row enter rearrangement according to preset rules；Wherein, preset rules are：According to the element in each row mould size in each row
Element carry out ascending order or descending arrangement.
It should be noted that above-mentioned modules can be by software or hardware to realize, for the latter, Ke Yitong
Cross in the following manner realization, but not limited to this：Above-mentioned module is respectively positioned in same processor；Or, above-mentioned modules are with any
The form of combination is located in different processors respectively.
Embodiment 3
Additionally provide a kind of base station in the present embodiment, including message dispensing device described in above-described embodiment 2 or
Message receiving apparatus.Explanation for message dispensing device or message receiving apparatus may be referred to the explanation of embodiment 2, herein
Repeat no more.
Embodiment 4
Embodiments of the invention additionally provide a kind of storage medium.Alternatively, in the present embodiment, above-mentioned storage medium can
The program code for performing following steps to be arranged to storage to be used for：
S1, is grouped to the service antenna belonging to base station, obtains L antenna set, wherein, L antenna set it is every
Any two antenna in one antenna set is non-conterminous；
S2, determines the maximum antenna set of channel capacity from L antenna set；
S3, selects one or more antenna from the antenna set of determination
S4, message is sent on one or more antennas of selection to terminal.
Alternatively, storage medium is also configured to the program code that storage is used to perform following steps：
S1, is grouped to the service antenna belonging to base station, obtains L antenna set, wherein, L antenna set it is every
Any two antenna in one antenna set is non-conterminous；
S2, determines the maximum antenna set of channel capacity from L antenna set；
S3, selects one or more antenna from the antenna set of determination；
S4, the message that receiving terminal is sent on one or more antennas of selection.
Alternatively, in the present embodiment, above-mentioned storage medium can include but is not limited to：USB flash disk, read-only storage (ROM,
Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disc or
CD etc. is various can be with the medium of store program codes.
Alternatively, in the present embodiment, processor is performed according to the program code stored in storage medium：Day will be serviced
Line obtains N number of set in sequence per continuous L roots antenna as a set；To the antenna in each set in N number of set
It is numbered according to same rule；Using numbering identical antenna in N number of set as an antenna set, L antenna set is obtained
Close；Wherein, N is floor (Nt/L), and Nt is the number of service antenna；Nt is more than L, and Nt, N are positive number integer, floor ()
For downward bracket function.
Alternatively, in the present embodiment, processor is performed according to the program code stored in storage medium：At random will clothes
Business antenna is divided into the set of L groups, wherein, each group of set in the set of L groups includes any two in M antenna, the M antenna
Physical separation between antenna is both greater than predetermined threshold, and M is integer；L group set is defined as L antenna set.
Alternatively, in the present embodiment, processor is performed according to the program code stored in storage medium：The day of determination
Continuous Ns antenna in line set is used as a composite window；Composite window is moved successively in antenna set, R group is obtained
Close；Wherein, each combination in R combination includes Ns antenna, and R, Ns are integer；Channel capacity is determined from R combination
Maximum combination；By one or more antenna of determined combination alternatively.
Alternatively, the specific example in the present embodiment may be referred to described in above-described embodiment and optional embodiment
Example, the present embodiment will not be repeated here.
Obviously, those skilled in the art should be understood that above-mentioned each module of the invention or each step can be with general
Computing device realize that they can be concentrated on single computing device, or be distributed in multiple computing devices and constituted
Network on, alternatively, the program code that they can be can perform with computing device be realized, it is thus possible to they are stored
Performed in the storage device by computing device, and in some cases, can be shown to be performed different from order herein
The step of going out or describe, they are either fabricated to each integrated circuit modules respectively or by multiple modules in them or
Step is fabricated to single integrated circuit module to realize.So, the present invention is not restricted to any specific hardware and software combination.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (20)
1. a kind of message method, it is characterised in that including：
Service antenna belonging to base station is grouped, L antenna set is obtained, wherein, the L antenna set each
Any two antenna in antenna set is non-conterminous；
The maximum antenna set of channel capacity is determined from the L antenna set；
One or more antennas are selected from the antenna set of determination；
On one or more of antennas of selection message is sent to terminal.
2. according to the method described in claim 1, it is characterised in that in each antenna set of the L antenna set
Any two antenna it is non-conterminous including：
The physical separation between any two antenna in each antenna set of the L antenna set is more than predetermined threshold
Value.
3. method according to claim 2, it is characterised in that by least one of mode to belonging to the base station
Service antenna is grouped：
Using the service antenna in sequence per continuous L roots antenna as a set, N number of set is obtained；To N number of set
In each set in antenna be numbered according to same rule；It regard numbering identical antenna in N number of set as a day
Line set, obtains the L antenna set；Wherein, N is floor (Nt/ L), NtFor the number of the service antenna；NtMore than L,
And Nt, N be positive number integer, floor () is downward bracket function；
It is random that the service antenna is divided into the set of L groups, wherein, each group of set in the L groups set includes M antenna,
The physical separation between any two antenna in the M antenna is both greater than the predetermined threshold, and M is integer；By L groups collection
Conjunction is defined as the L antenna set.
4. method according to claim 1 or 2, it is characterised in that selected from the antenna set of determination one or
The multiple antennas of person include：
Continuous N in the antenna set of the determinationsIndividual antenna is used as a composite window；By the composite window in the day
Moved successively in line set, obtain R combination；Wherein, each combination in the R combination includes NsIndividual antenna, R, NsFor
Integer；
The maximum combination of channel capacity is determined from described R combination；
By the one or more of antennas of the determined combination alternatively.
5. method according to claim 4, it is characterised in that the continuous N in the antenna set of the determinationsIt is individual
Before antenna is as a composite window, methods described also includes,
Each row in the corresponding channel matrix of the antenna set of the determination are entered into rearrangement according to preset rules；Its
In, the preset rules are：According to the element in each row mould size in each row element carry out ascending order or
Person's descending is arranged.
6. a kind of message receival method, it is characterised in that including：
Service antenna belonging to base station is grouped, L antenna set is obtained, wherein, the L antenna set each
Any two antenna in antenna set is non-conterminous；
The maximum antenna set of channel capacity is determined from the L antenna set；
One or more antennas are selected from the antenna set of determination；
The message that receiving terminal is sent on one or more of antennas of selection.
7. method according to claim 6, it is characterised in that in each antenna set of the L antenna set
Any two antenna it is non-conterminous including：
The physical separation between any two antenna in each antenna set of the L antenna set is more than predetermined threshold
Value.
8. method according to claim 7, it is characterised in that by least one of mode to belonging to the base station
Service antenna is grouped：
Using the service antenna in sequence per continuous L roots antenna as a set, N number of set is obtained；To N number of set
In each set in antenna be numbered according to same rule；It regard numbering identical antenna in N number of set as a day
Line set, obtains the L antenna set；Wherein, N is floor (Nt/ L), NtFor the number of the service antenna；NtMore than L,
And Nt, N be positive number integer, floor () is downward bracket function；
It is random that the service antenna is divided into the set of L groups, wherein, each group of set in the L groups set includes M antenna,
The physical separation between any two antenna in the M antenna is both greater than the predetermined threshold, and M is integer；By L groups collection
Conjunction is defined as the L antenna set.
9. the method according to claim 6 or 7, it is characterised in that selected from the antenna set of determination one or
The multiple antennas of person include：
Continuous N in the antenna set of the determinationsIndividual antenna is used as a composite window；By the composite window in the day
Moved successively in line set, obtain R combination；Wherein, each combination in the R combination includes NsIndividual antenna, R, NsFor
Integer；
The maximum combination of channel capacity is determined from described R combination；
By the one or more of antennas of the determined combination alternatively.
10. method according to claim 9, it is characterised in that the continuous N in the antenna set of the determinationsIt is individual
Before antenna is as a composite window, methods described also includes,
Each row in the corresponding channel matrix of the antenna set of the determination are entered into rearrangement according to preset rules；Its
In, the preset rules are：According to the element in each row mould size in each row element carry out ascending order or
Person's descending is arranged.
11. a kind of message dispensing device, it is characterised in that including：
Grouping module, for being grouped to the service antenna belonging to base station, obtains L antenna set, wherein, the L day
Any two antenna in each antenna set of line set is non-conterminous；
Determining module, for determining the maximum antenna set of channel capacity from the L antenna set；
Selecting module, for selecting one or more antennas from the antenna set of determination；
Sending module, for sending message to terminal on one or more of antennas of selection.
12. device according to claim 11, it is characterised in that in each antenna set of the L antenna set
Any two antenna it is non-conterminous including：
The physical separation between any two antenna in each antenna set of the L antenna set is more than predetermined threshold
Value.
13. device according to claim 12, it is characterised in that the grouping module is additionally operable to by least one of
Mode is grouped to the service antenna belonging to the base station：
Using the service antenna in sequence per continuous L roots antenna as a set, N number of set is obtained；To N number of set
In each set in antenna be numbered according to same rule；It regard numbering identical antenna in N number of set as a day
Line set, obtains the L antenna set；Wherein, N is floor (Nt/ L), NtFor the number of the service antenna；NtMore than L,
And Nt, N be positive number integer, floor () is downward bracket function；
It is random that the service antenna is divided into the set of L groups, wherein, each group of set in the L groups set includes M antenna,
The physical separation between any two antenna in the M antenna is both greater than the predetermined threshold, and M is integer；By L groups collection
Conjunction is defined as the L antenna set.
14. the device according to claim 11 or 12, it is characterised in that the selecting module, is additionally operable to the determination
Continuous N in the antenna setsIndividual antenna is used as a composite window；The composite window is moved successively in the antenna set
It is dynamic, obtain R combination；Wherein, each combination in the R combination includes NsIndividual antenna, R, NsFor integer；From the R
The maximum combination of channel capacity is determined in combination；And one or more of days by the determined combination alternatively
Line.
15. a kind of message receiving apparatus, it is characterised in that including：
Grouping module, for being grouped to the service antenna belonging to base station, obtains L antenna set, wherein, the L day
Any two antenna in each antenna set of line set is non-conterminous；
Determining module, for determining the maximum antenna set of channel capacity from the L antenna set；
Selecting module, for selecting one or more antennas from the antenna set of determination；
Receiving module, for the message that receiving terminal is sent on one or more of antennas of selection.
16. device according to claim 15, it is characterised in that in each antenna set of the L antenna set
Any two antenna it is non-conterminous including：
The physical separation between any two antenna in each antenna set of the L antenna set is more than predetermined threshold
Value.
17. device according to claim 16, it is characterised in that the grouping module is used to pass through at least one of side
Formula is grouped to the service antenna belonging to the base station：
Using the service antenna in sequence per continuous L roots antenna as a set, N number of set is obtained；To N number of set
In each set in antenna be numbered according to same rule；It regard numbering identical antenna in N number of set as a day
Line set, obtains the L antenna set；Wherein, N is floor (Nt/ L), NtFor the number of the service antenna；NtMore than L,
And Nt, N be positive number integer, floor () is downward bracket function；
It is random that the service antenna is divided into the set of L groups, wherein, each group of set in the L groups set includes M antenna,
The physical separation between any two antenna in the M antenna is both greater than the predetermined threshold, and M is integer；By L groups collection
Conjunction is defined as the L antenna set.
18. the device according to claim 15 or 16, it is characterised in that the selecting module is additionally operable to the institute of the determination
State the continuous N in antenna setsIndividual antenna is used as a composite window；The composite window is moved successively in the antenna set
It is dynamic, obtain R combination；Wherein, each combination in the R combination includes NsIndividual antenna, R, NsFor integer；From the R
The maximum combination of channel capacity is determined in combination；And one or more of days by the determined combination alternatively
Line.
19. a kind of base station, it is characterised in that including：Device any one of claim 11 to 14.
20. a kind of base station, it is characterised in that including：Device any one of claim 15 to 18.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610266508.5A CN107317610A (en) | 2016-04-26 | 2016-04-26 | Message sending, receiving method and device, base station |
| PCT/CN2017/078320 WO2017185935A1 (en) | 2016-04-26 | 2017-03-27 | Message transmitting or receiving method and device, and base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111917442A (en) * | 2020-05-19 | 2020-11-10 | 宁波大学 | Large-scale MIMO communication method |
| CN113014293A (en) * | 2019-12-20 | 2021-06-22 | 大唐移动通信设备有限公司 | Signal processing method and base station |
| CN113169774A (en) * | 2018-12-03 | 2021-07-23 | 华为技术有限公司 | Antenna selection method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7120395B2 (en) * | 2003-10-20 | 2006-10-10 | Nortel Networks Limited | MIMO communications |
| CN100578961C (en) * | 2005-06-09 | 2010-01-06 | 大唐移动通信设备有限公司 | Method for forming MIMO array by using intelligent antenna array and method for carrying out high-speed data transmission |
| CN100499396C (en) * | 2006-08-31 | 2009-06-10 | 华为技术有限公司 | Communication method and system in multi-input multi-output system |
| CN101471710A (en) * | 2007-12-29 | 2009-07-01 | 鼎桥通信技术有限公司 | Data transmission method of uplink |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113169774A (en) * | 2018-12-03 | 2021-07-23 | 华为技术有限公司 | Antenna selection method and device |
| US11362711B2 (en) | 2018-12-03 | 2022-06-14 | Huawei Technologies Co., Ltd. | Antenna selection method and device |
| CN113169774B (en) * | 2018-12-03 | 2022-10-28 | 华为技术有限公司 | Antenna selection method and device |
| CN113014293A (en) * | 2019-12-20 | 2021-06-22 | 大唐移动通信设备有限公司 | Signal processing method and base station |
| CN113014293B (en) * | 2019-12-20 | 2022-08-30 | 大唐移动通信设备有限公司 | Signal processing method and base station |
| CN111917442A (en) * | 2020-05-19 | 2020-11-10 | 宁波大学 | Large-scale MIMO communication method |
| CN111917442B (en) * | 2020-05-19 | 2021-06-01 | 宁波大学 | Large-scale MIMO communication method |
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