CN106788627A - A kind of wave beam of code book determines method and apparatus - Google Patents
A kind of wave beam of code book determines method and apparatus Download PDFInfo
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- CN106788627A CN106788627A CN201510812757.5A CN201510812757A CN106788627A CN 106788627 A CN106788627 A CN 106788627A CN 201510812757 A CN201510812757 A CN 201510812757A CN 106788627 A CN106788627 A CN 106788627A
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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
- H04B7/0413—MIMO systems
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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
- H04B7/0413—MIMO systems
- H04B7/0426—Power distribution
- H04B7/043—Power distribution using best eigenmode, e.g. beam forming or beam steering
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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
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
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- Computer Networks & Wireless Communication (AREA)
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- Signal Processing For Digital Recording And Reproducing (AREA)
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Abstract
Determine method the embodiment of the invention discloses a kind of wave beam of code book, one kind configuration is lower to obtain two sets of pre-coding matrix sequence number relations, and two sets of pre-coding matrixes sequence number relation includes：Default wave beam sequence number relation and the first wave beam sequence number relation, the first wave beam sequence number relation correspond to different pre-coding matrix sequence numbers from the default sequence number relation；Alternating determines the wave beam of first order code book according to the default wave beam sequence number relation and the first wave beam sequence number relation.The embodiment of the present invention also provides a kind of wave beam determining device of code book simultaneously.
Description
Technical field
Determine method and apparatus the present invention relates to wireless communication field, more particularly to a kind of wave beam of code book.
Background technology
Existing communication system carries out multiple-input and multiple-output (MIMO, Multiple-Input Multiple-Output)
During transmission, 2D-MIMO antenna frames are generally used, its general principle is empty using the two dimension on horizontal plane
Between the free degree be transmitted.The antenna frame of 2D-MIMO by horizontal dimensions using multiple array elements from
And antenna gain higher is obtained, and each bay in vertical dimensions uses fixed weights, therefore
2D-MIMO technologies have no idea to carry out the wave beam forming of vertical dimensions.In order to further improve spectrum efficiency,
Using the spatial degrees of freedom of vertical dimension, introduce 3D-MIMO technologies, i.e., using the three dimensions free degree come
Lifting system capacity.The antenna frame of 3D-MIMO by control vertical dimensions bay weighting because
Son, forms different vertical dimensions wave beams, so that the multi-user for providing vertical dimension takes, lifting system capacity.
When being transmitted using 3D-MIMO technologies, introducing and port number due to vertical direction port
Increase, codebook structure can be impacted.The basic structure of existing code book is two-stage codebook W=W1W2。
In order to reflect the characteristic of channel of horizontal and vertical dimension, first order code book W simultaneously1Structure have
The form of Kronecker products：
Wherein, X1And X2The code book of horizontal peacekeeping vertical dimension is represented respectively, indicates respectively two dimension candidate's ripples
Beam group, first order code book W1In include one or more wave beams.Second level code book W2From first order code book W1In
A wave beam is selected, i.e., from X1And X2A wave beam is selected in the candidate beam group of determination, and provides phase
Position selection.
First order code book W in existing scheme1Comprising wave beam group size be 4 × 2 or 2 × 4：When level day
When line port number is more than or equal to vertical port number, wave beam group size is 4 × 2, comprising 4 wave beams of horizontal direction,
2 wave beams of vertical direction, on the contrary wave beam group size is 2 × 4.Each first order code book can correspond to 4 kinds
Beam configuration, including：Certainty configuration, square configuration, lattice configuration, single file/single-row configuration.Wherein,
Lattice is configured as shown in figure 1,4 wave beams of horizontal direction, 2 wave beams of vertical direction, are filled in Fig. 1
The grid of shade is expressed as the candidate beam group schematic diagram of first order code book, the wave beam group of the first order code book by
The horizontal direction wave beam and vertical direction wave beam at interval are constituted, and have fixed wave beam sequentially.However, for
Lattice pattern, with the propulsion of wave beam group, during wave beam according to lattice configuration selection first order code book, always
Having wave beam cannot be chosen to, for example, the wave beam represented with the grid of blank in Fig. 1 cannot be chosen to.
The content of the invention
In order to solve the above technical problems, the embodiment of the present invention provides a kind of wave beam of code book determines method and apparatus,
The all wave beams in code book can be chosen, the performance of code book is improve.
The technical proposal of the invention is realized in this way：
The embodiment of the present invention provides a kind of wave beam of code book and determines method, and methods described includes：
One kind configuration is lower to obtain two sets of pre-coding matrix sequence number relations, two sets of pre-coding matrixes sequence number relation
Including：Default wave beam sequence number relation and the first wave beam sequence number relation, the first wave beam sequence number relation with it is described
Default sequence number relation corresponds to different pre-coding matrix sequence numbers；
Alternating determines first order code book according to the default wave beam sequence number relation and the first wave beam sequence number relation
Wave beam.
Further, the default wave beam sequence number relation includes：First dimension sequence number and the second dimension sequence number,
First dimension sequence number of the default wave beam sequence number relation occupies the m wave beam sequence number in the first dimension direction, institute
The the second dimension sequence number for stating default wave beam sequence number relation occupies the n wave beam sequence number in the second dimension direction, m, n
It is natural number, the first dimension serial number x+j*p of the default wave beam sequence number relation is right when j takes even number
The the second dimension serial number y for answering, when j takes odd number, corresponding second dimension serial number y+q；
The first wave beam sequence number relation includes：First dimension sequence number and the second dimension sequence number, the first wave
First dimension sequence number of beam sequence number relation occupies the m wave beam sequence number in the first dimension direction, first wave beam
Second dimension sequence number of sequence number relation occupies the n wave beam sequence number in the second dimension direction, and m, n are natural number,
First dimension serial number x+j*p of the first wave beam sequence number relation, when j takes even number, corresponding second dimension
Degree serial number y, when j takes odd number, corresponding second dimension serial number y-q；
Wherein, x, y are the positive integer more than or equal to 0, and more than or equal to 0 and less than m, p, q are nature to j
Number.
Further, the default wave beam sequence number relation includes：First dimension sequence number and the second dimension sequence number,
First dimension sequence number of the default wave beam sequence number relation occupies the m wave beam sequence number in the first dimension direction, institute
The the second dimension sequence number for stating default wave beam sequence number relation occupies the second n, dimension direction wave beam, and m, n are nature
Number；Second dimension serial number y+j*p of the default wave beam sequence number relation, when j takes even number, corresponding
Dimension serial number x, when j takes odd number, corresponding first dimension serial number x+q；
The first wave beam sequence number relation includes：First dimension sequence number and the second dimension sequence number, the first wave
First dimension sequence number of beam sequence number relation occupies the m wave beam sequence number in the first dimension direction, first wave beam
Second dimension sequence number of sequence number relation occupies the second n, dimension direction wave beam, and m, n are natural number, and described the
Second dimension serial number y+j*p of one wave beam sequence number relation, when j takes even number, corresponding first dimension sequence number
It is x, when j takes odd number, corresponding first dimension serial number x-q；
Wherein, x, y are the positive integer more than or equal to 0, and more than or equal to 0 and less than n, p, q are nature to j
Number.
Further, the alternating is according to the default wave beam sequence number relation and the first wave beam sequence number relation
Determine the wave beam of first order code book, including：
Under i-th first order code book sequence number, first order code book is determined according to the default wave beam sequence number relation
Wave beam；
Under i+1 first order code book sequence number, the first order is determined according to the first wave beam sequence number relation
The wave beam of code book, wherein, i is the integer more than or equal to 0.
Further, the alternating is according to the default wave beam sequence number relation and the first wave beam sequence number relation
Determine the wave beam of first order code book, including：
Under i-th first order code book sequence number, the first order code is determined according to the first wave beam sequence number relation
This wave beam；
Under i+1 first order code book sequence number, the first order code book according to the default wave beam sequence number relation
Wave beam, wherein, i is the integer more than or equal to 0.
The embodiment of the present invention also provides a kind of wave beam determining device of code book simultaneously, and described device includes：Obtain
Unit, determining unit, wherein,
The acquiring unit, it is described for obtaining a kind of two sets of pre-coding matrix sequence number relations of lower acquisition of configuration
Two sets of pre-coding matrix sequence number relations include：Default wave beam sequence number relation and the first wave beam sequence number relation, it is described
First wave beam sequence number relation corresponds to different pre-coding matrix sequence numbers from the default sequence number relation；
The determining unit, for alternately according to the default wave beam sequence number relation and the first wave beam sequence number
Relation determines the wave beam of first order code book.
Further, the default wave beam sequence number relation includes：First dimension sequence number and the second dimension sequence number,
First dimension sequence number of the default wave beam sequence number relation occupies the m wave beam sequence number in the first dimension direction, institute
The the second dimension sequence number for stating default wave beam sequence number relation occupies the n wave beam sequence number in the second dimension direction, m, n
It is natural number, the first dimension serial number x+j*p of the default wave beam sequence number relation is right when j takes even number
The the second dimension serial number y for answering, when j takes odd number, corresponding second dimension serial number y+q；
The first wave beam sequence number relation includes：First dimension sequence number and the second dimension sequence number, the first wave
First dimension sequence number of beam sequence number relation occupies the m wave beam sequence number in the first dimension direction, first wave beam
Second dimension sequence number of sequence number relation occupies the n wave beam sequence number in the second dimension direction, and m, n are natural number,
First dimension serial number x+j*p of the first wave beam sequence number relation, when j takes even number, corresponding second dimension
Degree serial number y, when j takes odd number, corresponding second dimension serial number y-q；
Wherein, x, y are the positive integer more than or equal to 0, and more than or equal to 0 and less than m, p, q are nature to j
Number.
Further, the default wave beam sequence number relation includes：First dimension sequence number and the second dimension sequence number,
First dimension sequence number of the default wave beam sequence number relation occupies the m wave beam sequence number in the first dimension direction, institute
The the second dimension sequence number for stating default wave beam sequence number relation occupies the second n, dimension direction wave beam, and m, n are nature
Number；Second dimension serial number y+j*p of the default wave beam sequence number relation, when j takes even number, corresponding
Dimension serial number x, when j takes odd number, corresponding first dimension serial number x+q；
The first wave beam sequence number relation includes：First dimension sequence number and the second dimension sequence number, the first wave
First dimension sequence number of beam sequence number relation occupies the m wave beam sequence number in the first dimension direction, first wave beam
Second dimension sequence number of sequence number relation occupies the second n, dimension direction wave beam, and m, n are natural number, and described the
Second dimension serial number y+j*p of one wave beam sequence number relation, when j takes even number, corresponding first dimension sequence number
It is x, when j takes odd number, corresponding first dimension serial number x-q；
Wherein, x, y are the positive integer more than or equal to 0, and more than or equal to 0 and less than n, p, q are nature to j
Number.
Further, the determining unit, for i-th first order code book sequence number under, according to described default
Wave beam sequence number relation determines the wave beam of first order code book；It is additionally operable under i+1 first order code book sequence number, root
The wave beam of the first order code book is determined according to the first wave beam sequence number relation, wherein, i is more than or equal to 0
Integer.
Further, the determining unit, for i-th first order code book sequence number under, according to described first
Wave beam sequence number relation determines the wave beam of first order code book；It is additionally operable under i+1 first order code book sequence number, root
The wave beam of the first order code book is determined according to the default wave beam sequence number relation, wherein, i is more than or equal to 0
Integer.
The embodiment of the invention provides a kind of wave beam of code book and determine method and apparatus, one kind configuration is lower to obtain two
Set pre-coding matrix sequence number relation, two sets of pre-coding matrixes sequence number relation includes：Default wave beam sequence number is closed
System and the first wave beam sequence number relation, the first wave beam sequence number relation correspond to not with the default sequence number relation
Same pre-coding matrix sequence number；Alternately closed according to the default wave beam sequence number relation and the first wave beam sequence number
System determines the wave beam of first order code book.The wave beam of code book provided in an embodiment of the present invention determines method and apparatus,
Because the first wave beam sequence number relation is different with the default wave beam sequence number relation, by alternately according to described
Default wave beam sequence number relation and the first wave beam sequence number relation determine all wave beams of first order code book, can be with
All wave beams can be chosen in ensureing code book, in the case where number of bits of feedback is not increased, improve code
This performance.
Brief description of the drawings
Fig. 1 is wave beam sequence number relation schematic diagram provided in an embodiment of the present invention；
Fig. 2 is that the wave beam of code book provided in an embodiment of the present invention determines method flow schematic diagram；
Fig. 3 is the first wave beam sequence number relation schematic diagram provided in an embodiment of the present invention；
Fig. 4 is that the wave beam of code book provided in an embodiment of the present invention determines schematic diagram one；
Fig. 5 is that the wave beam of code book provided in an embodiment of the present invention determines schematic diagram two；
Fig. 6 is that the wave beam of code book provided in an embodiment of the present invention determines schematic diagram three；
Fig. 7 is that the wave beam of code book provided in an embodiment of the present invention determines schematic diagram four；
Fig. 8 is the wave beam determining device structural representation of code book provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly
Chu, it is fully described by.
Embodiment one
The embodiment of the present invention provides a kind of wave beam of code book and determines method, as shown in Fig. 2 methods described can be with
Including：
Step 101, the wave beam determining device of code book obtain two sets of pre-coding matrix sequence number relations, described two sets
Pre-coding matrix sequence number relation includes：Default wave beam sequence number relation and the first wave beam sequence number relation, described first
Wave beam sequence number relation corresponds to different pre-coding matrix sequence numbers from the default sequence number relation.
In a kind of possible implementation, the default wave beam sequence number relation includes：First dimension sequence number and
Two-dimensionses sequence number, the first dimension sequence number of the default wave beam sequence number relation occupies m of the first dimension direction
Wave beam sequence number, the second dimension sequence number of the default wave beam sequence number relation occupies the n ripple in the second dimension direction
Beam sequence number, m, n be natural number, the first dimension serial number x+j*p of the default wave beam sequence number relation, when
When j takes even number, corresponding second dimension serial number y, when j takes odd number, corresponding second dimension serial number
y+q；
The first wave beam sequence number relation includes：First dimension sequence number and the second dimension sequence number, the first wave
First dimension sequence number of beam sequence number relation occupies the m wave beam sequence number in the first dimension direction, first wave beam
Second dimension sequence number of sequence number relation occupies the n wave beam sequence number in the second dimension direction, and m, n are natural number,
First dimension serial number x+j*p of the first wave beam sequence number relation, when j takes even number, corresponding second dimension
Degree serial number y, when j takes odd number, corresponding second dimension serial number y-q；
Wherein, x, y are the positive integer more than or equal to 0, and more than or equal to 0 and less than m, p, q are nature to j
Number.
Exemplary, m is that 4, n is 2, wave beam sequence number relation schematic diagram is preset, as shown in figure 1, this is pre-
If the size of the wave number group of wave beam sequence number relation is 4 × 2, horizontal grid is represented in the default wave beam sequence number relation
Horizontal direction wave beam, vertical grid represents vertical direction wave beam.Include in the default wave beam sequence number relation：
4 wave beams of horizontal direction, 2 wave beams of vertical direction, the wave beam of first order code book is the side of shade in Fig. 1
Lattice.
Exemplary, m is that 4, n is 2, the first wave beam sequence number relation, as shown in figure 3, first order code book
Wave beam be the grid of shade in Fig. 3, the horizontal direction wave beam of first order code book in the first wave beam sequence number relation
It is with vertical direction wave beam and is spaced, the wave beam of first order code book is non-conterminous described in any two.From figure
It is complementary that 1 and Fig. 3 can be seen that the default wave beam sequence number relation with the first wave beam sequence number relation
Pattern.
In a kind of possible implementation, the default wave beam sequence number relation includes：First dimension sequence number and
Two-dimensionses sequence number, the first dimension sequence number of the default wave beam sequence number relation occupies m of the first dimension direction
Wave beam sequence number, the second dimension sequence number of the default wave beam sequence number relation occupies the second n, dimension direction wave beam,
M, n are natural number；Second dimension serial number y+j*p of the default wave beam sequence number relation, when j takes even number
When, corresponding first dimension serial number x, when j takes odd number, corresponding first dimension serial number x+q；
The first wave beam sequence number relation includes：First dimension sequence number and the second dimension sequence number, the first wave
First dimension sequence number of beam sequence number relation occupies the m wave beam sequence number in the first dimension direction, first wave beam
Second dimension sequence number of sequence number relation occupies the second n, dimension direction wave beam, and m, n are natural number, and described the
Second dimension serial number y+j*p of one wave beam sequence number relation, when j takes even number, corresponding first dimension sequence number
It is x, when j takes odd number, corresponding first dimension serial number x-q；
Wherein, x, y are the positive integer more than or equal to 0, and more than or equal to 0 and less than n, p, q are nature to j
Number.
Exemplary, m is that 2, n is 4, and the size for presetting the wave number group of wave beam sequence number relation is 2 × 4,
The default wave beam sequence number relation includes：2 wave beams of horizontal direction, 4 wave beams of vertical direction preset ripple
The horizontal direction wave beam and vertical direction wave beam of first order code book described in beam sequence number relation are and are spaced,
The wave beam of first order code book is non-conterminous described in any two.
Step 102, the wave beam determining device of code book are alternately according to the default wave beam sequence number relation and described the
One wave beam sequence number relation determines the wave beam of first order code book.
In a kind of possible implementation, under i-th first order code book sequence number, according to the default wave beam sequence
Number relation determines the wave beam of first order code book；
Under i+1 first order code book sequence number, the first order is determined according to the first wave beam sequence number relation
The wave beam of code book, wherein, i is the integer more than or equal to 0.
Exemplary, when i is equal to 1, as shown in figure 4, the part in Fig. 4 in dotted line is default wave beam sequence number
Relation, under the 1st first order code book sequence number, the default wave beam sequence number relation in Fig. 4 dotted lines determines
The wave beam of the first order code book, the wave beam that shaded box is represented in Fig. 4 dotted lines is the first order code book
The wave beam that wave beam, i.e. shaded box are represented can be chosen to, and the wave beam that blank boxes are represented can not be chosen
Select.
With the propulsion of wave beam group, as shown in figure 5, the part in Fig. 5 in dotted line is the first wave beam sequence number pass
System, under the 2nd first order code book sequence number, the first wave beam sequence number relation in Fig. 5 dotted lines determines institute
The wave beam of first order code book is stated, the wave beam that shaded box is represented in Fig. 5 dotted lines is the ripple of the first order code book
The wave beam that beam, i.e. shaded box are represented can be chosen to, and the wave beam that blank boxes are represented can not be chosen
Arrive.With reference to Fig. 4 and Fig. 5, it can be seen that with the 2nd first order under the 1st first order code book sequence number
The wave beam of the cross section under code book sequence number can be chosen to, as shown in Figure 6.
With the propulsion of wave beam group, as shown in fig. 6, the part in Fig. 6 in dotted line is default wave beam sequence number closing
System, under the 3rd first order code book sequence number, the default wave beam sequence number relation in Fig. 6 dotted lines determines institute
The wave beam of first order code book is stated, the wave beam that shaded box is represented in Fig. 6 dotted lines is the ripple of the first order code book
The wave beam that beam, i.e. shaded box are represented can be chosen to, and the wave beam that blank boxes are represented can not be chosen
Arrive.With reference to Fig. 5 and Fig. 6, it can be seen that with the 3rd first order under the 2nd first order code book sequence number
The wave beam of the cross section under code book sequence number can be chosen to, as shown in Figure 7.
With the propulsion of wave beam group, as shown in fig. 7, the part in Fig. 7 in dotted line is the first wave beam sequence number pass
System, under the 4th first order code book sequence number, the first wave beam sequence number relation in Fig. 7 dotted lines determines institute
The wave beam of first order code book is stated, the wave beam that shaded box is represented in Fig. 7 dotted lines is the ripple of the first order code book
The wave beam that beam, i.e. shaded box are represented can be chosen to, and the wave beam that blank boxes are represented can not be chosen
Arrive.With reference to Fig. 6 and Fig. 7, it can be seen that with the 4th first order under the 3rd first order code book sequence number
The wave beam of the cross section under code book sequence number can be chosen to.
With the continuous propulsion of wave beam group, alternately according to the default wave beam sequence number relation and first wave beam
Sequence number relation determines the wave beam of first order code book, in the case of identical wave beam interblock space, i.e., using identical
Number of bits of feedback, it is ensured that all wave beams can be chosen in code book, so as to improve code book performance.
Illustratively, horizontal and vertical wave beam group is being spaced 2 propulsions, it is also possible to be spaced 2 multiple propulsion.
In a kind of possible implementation, under i-th first order code book sequence number, according to the first wave beam sequence
Number relation determines the wave beam of the first order code book；
Under i+1 first order code book sequence number, the first order code book according to the default wave beam sequence number relation
Wave beam, wherein, i is the integer more than or equal to 0.
It is exemplary, when i is equal to 1, under the 1st first order code book sequence number, according to Fig. 3 the
One wave beam sequence number relation determines the wave beam of the first order code book, i.e. the wave beam that shaded box is represented in Fig. 3 is
The wave beam of the first order code book, i.e., the wave beam that shaded box is represented can be chosen to, and blank boxes table
The wave beam for showing can not be chosen to.It is default according to Fig. 1 under the 2nd first order code book sequence number
Wave beam sequence number relation determines the wave beam of the first order code book, i.e. the wave beam that shaded box is represented in Fig. 1 is institute
Stating the wave beam that the wave beam of first order code book, i.e. shaded box represent can be chosen to, and blank boxes are represented
Wave beam can not be chosen to.With 2 grids of propulsion in the horizontal direction of wave beam group, at the 1st first
The wave beam of the cross section under level code book sequence number and under the 2nd first order code book sequence number can be chosen to.
Under the 3rd first order code book sequence number, the first order code book is determined according to the first wave beam sequence number relation
Wave beam, 2 grids are advanced again in the horizontal direction with wave beam group, in the 2nd first order code book sequence number
The wave beam of the cross section under lower and the 3rd first order code book sequence number can be chosen to.With wave beam group
Continuous propulsion, alternately determine the according to the default wave beam sequence number relation and the first wave beam sequence number relation
The wave beam of one-level code book, in the case of identical wave beam interblock space, i.e., using identical number of bits of feedback, can
Can be chosen to all wave beams in ensureing code book, so as to improve code book performance.
The wave beam of code book provided in an embodiment of the present invention determines method, due to the first wave beam sequence number relation with it is described
Default wave beam sequence number relation is different, by alternately according to the default wave beam sequence number relation and described first
Wave beam sequence number relation determines all wave beams of first order code book, it is ensured that all wave beams can be chosen in code book
Select, in the case where number of bits of feedback is not increased, improve the performance of code book.
Embodiment two
The embodiment of the present invention provides a kind of wave beam determining device 1 of code book, as shown in figure 8, described device bag
Include：Acquiring unit 10, determining unit 11, wherein,
The acquiring unit 10, for obtaining, a kind of configuration is lower to obtain two sets of pre-coding matrix sequence number relations, institute
Stating two sets of pre-coding matrix sequence number relations includes：Default wave beam sequence number relation and the first wave beam sequence number relation, institute
State the first wave beam sequence number relation and correspond to different pre-coding matrix sequence numbers from the default sequence number relation；
The determining unit 11, for alternately according to the default wave beam sequence number relation and the first wave beam sequence
Number relation determines the wave beam of first order code book.
Further, the default wave beam sequence number relation includes：First dimension sequence number and the second dimension sequence number,
First dimension sequence number of the default wave beam sequence number relation occupies the m wave beam sequence number in the first dimension direction, institute
The the second dimension sequence number for stating default wave beam sequence number relation occupies the n wave beam sequence number in the second dimension direction, m, n
It is natural number, the first dimension serial number x+j*p of the default wave beam sequence number relation is right when j takes even number
The the second dimension serial number y for answering, when j takes odd number, corresponding second dimension serial number y+q；
The first wave beam sequence number relation includes：First dimension sequence number and the second dimension sequence number, the first wave
First dimension sequence number of beam sequence number relation occupies the m wave beam sequence number in the first dimension direction, first wave beam
Second dimension sequence number of sequence number relation occupies the n wave beam sequence number in the second dimension direction, and m, n are natural number,
First dimension serial number x+j*p of the first wave beam sequence number relation, when j takes even number, corresponding second dimension
Degree serial number y, when j takes odd number, corresponding second dimension serial number y-q；
Wherein, x, y are the positive integer more than or equal to 0, and more than or equal to 0 and less than m, p, q are nature to j
Number.
Further, the determining unit 11, for i-th first order code book sequence number under, according to described pre-
If wave beam sequence number relation determines the wave beam of first order code book；It is additionally operable under i+1 first order code book sequence number,
The wave beam of the first order code book is determined according to the first wave beam sequence number relation, wherein, i is more than or equal to 0
Integer.
Further, the determining unit 11, for i-th first order code book sequence number under, according to described
One wave beam sequence number relation determines the wave beam of first order code book；It is additionally operable under i+1 first order code book sequence number,
The wave beam of the first order code book is determined according to the default wave beam sequence number relation, wherein, i is more than or equal to 0
Integer.
Specifically, the understanding of the wave beam determining device of code book provided in an embodiment of the present invention may be referred to embodiment
The wave beam of one code book determines the explanation of method, and the present embodiment will not be repeated here.
The beam configuration device of code book provided in an embodiment of the present invention, due to the first wave beam sequence number relation with it is described
Default wave beam sequence number relation is different, by alternately according to the default wave beam sequence number relation and described first
Wave beam sequence number relation determines all wave beams of first order code book, it is ensured that all wave beams can be chosen in code book
Select, in the case where number of bits of feedback is not increased, improve the performance of code book.
It should be understood by those skilled in the art that, embodiments of the invention can be provided as method, system or meter
Calculation machine program product.Therefore, the present invention can using hardware embodiment, software implementation or combine software and
The form of the embodiment of hardware aspect.And, the present invention can be used and wherein include calculating at one or more
Computer-usable storage medium (the including but not limited to magnetic disk storage and optical storage of machine usable program code
Device etc.) on implement computer program product form.
The present invention is with reference to method according to embodiments of the present invention, equipment (system) and computer program product
Flow chart and/or block diagram describe.It should be understood that flow chart and/or side can be realized by computer program instructions
The knot of flow in each flow and/or square frame and flow chart and/or block diagram and/or square frame in block diagram
Close.Can provide these computer program instructions to all-purpose computer, special-purpose computer, Embedded Processor or
The processor of other programmable data processing devices is producing a machine so that by computer or other can
The instruction of the computing device of programming data processing equipment is produced for realizing in one flow of flow chart or multiple
The device of the function of being specified in one square frame of flow and/or block diagram or multiple square frames.
These computer program instructions may be alternatively stored in can guide computer or other programmable data processing devices
In the computer-readable memory for working in a specific way so that storage is in the computer-readable memory
Instruction is produced includes the manufacture of command device, and the command device is realized in one flow of flow chart or multiple streams
The function of being specified in one square frame of journey and/or block diagram or multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices, made
Obtain and series of operation steps performed on computer or other programmable devices to produce computer implemented treatment,
So as to the instruction performed on computer or other programmable devices is provided for realizing in one flow of flow chart
Or specified in multiple one square frame of flow and/or block diagram or multiple square frames function the step of.
The above, only presently preferred embodiments of the present invention is not intended to limit protection model of the invention
Enclose.
Claims (10)
1. a kind of wave beam of code book determines method, it is characterised in that methods described includes：
One kind configuration is lower to obtain two sets of pre-coding matrix sequence number relations, two sets of pre-coding matrixes sequence number relation
Including：Default wave beam sequence number relation and the first wave beam sequence number relation, the first wave beam sequence number relation with it is described
Default sequence number relation corresponds to different pre-coding matrix sequence numbers；
Alternating determines first order code book according to the default wave beam sequence number relation and the first wave beam sequence number relation
Wave beam.
2. method according to claim 1, it is characterised in that
The default wave beam sequence number relation includes：First dimension sequence number and the second dimension sequence number, the default ripple
First dimension sequence number of beam sequence number relation occupies the m wave beam sequence number in the first dimension direction, the default wave beam
Second dimension sequence number of sequence number relation occupies the n wave beam sequence number in the second dimension direction, and m, n are natural number,
First dimension serial number x+j*p of the default wave beam sequence number relation, when j takes even number, corresponding second dimension
Degree serial number y, when j takes odd number, corresponding second dimension serial number y+q；
The first wave beam sequence number relation includes：First dimension sequence number and the second dimension sequence number, the first wave
First dimension sequence number of beam sequence number relation occupies the m wave beam sequence number in the first dimension direction, first wave beam
Second dimension sequence number of sequence number relation occupies the n wave beam sequence number in the second dimension direction, and m, n are natural number,
First dimension serial number x+j*p of the first wave beam sequence number relation, when j takes even number, corresponding second dimension
Degree serial number y, when j takes odd number, corresponding second dimension serial number y-q；
Wherein, x, y are the positive integer more than or equal to 0, and more than or equal to 0 and less than m, p, q are nature to j
Number.
3. method according to claim 1, it is characterised in that
The default wave beam sequence number relation includes：First dimension sequence number and the second dimension sequence number, the default ripple
First dimension sequence number of beam sequence number relation occupies the m wave beam sequence number in the first dimension direction, the default wave beam
Second dimension sequence number of sequence number relation occupies the second n, dimension direction wave beam, and m, n are natural number；It is described pre-
If the second dimension serial number y+j*p of wave beam sequence number relation, when j takes even number, corresponding first dimension sequence number
It is x, when j takes odd number, corresponding first dimension serial number x+q；
The first wave beam sequence number relation includes：First dimension sequence number and the second dimension sequence number, the first wave
First dimension sequence number of beam sequence number relation occupies the m wave beam sequence number in the first dimension direction, first wave beam
Second dimension sequence number of sequence number relation occupies the second n, dimension direction wave beam, and m, n are natural number, and described the
Second dimension serial number y+j*p of one wave beam sequence number relation, when j takes even number, corresponding first dimension sequence number
It is x, when j takes odd number, corresponding first dimension serial number x-q；
Wherein, x, y are the positive integer more than or equal to 0, and more than or equal to 0 and less than n, p, q are nature to j
Number.
4. method according to claim 1, it is characterised in that the alternating is according to the default wave beam
Sequence number relation and the first wave beam sequence number relation determine the wave beam of first order code book, including：
Under i-th first order code book sequence number, first order code book is determined according to the default wave beam sequence number relation
Wave beam；
Under i+1 first order code book sequence number, the first order is determined according to the first wave beam sequence number relation
The wave beam of code book, wherein, i is the integer more than or equal to 0.
5. method according to claim 1, it is characterised in that the alternating is according to the default wave beam
Sequence number relation and the first wave beam sequence number relation determine the wave beam of first order code book, including：
Under i-th first order code book sequence number, the first order code is determined according to the first wave beam sequence number relation
This wave beam；
Under i+1 first order code book sequence number, the first order code book according to the default wave beam sequence number relation
Wave beam, wherein, i is the integer more than or equal to 0.
6. the wave beam determining device of a kind of code book, it is characterised in that described device includes：Acquiring unit, really
Order unit, wherein,
The acquiring unit, it is described for obtaining a kind of two sets of pre-coding matrix sequence number relations of lower acquisition of configuration
Two sets of pre-coding matrix sequence number relations include：Default wave beam sequence number relation and the first wave beam sequence number relation, it is described
First wave beam sequence number relation corresponds to different pre-coding matrix sequence numbers from the default sequence number relation；
The determining unit, for alternately according to the default wave beam sequence number relation and the first wave beam sequence number
Relation determines the wave beam of first order code book.
7. device according to claim 6, it is characterised in that
The default wave beam sequence number relation includes：First dimension sequence number and the second dimension sequence number, the default ripple
First dimension sequence number of beam sequence number relation occupies the m wave beam sequence number in the first dimension direction, the default wave beam
Second dimension sequence number of sequence number relation occupies the n wave beam sequence number in the second dimension direction, and m, n are natural number,
First dimension serial number x+j*p of the default wave beam sequence number relation, when j takes even number, corresponding second dimension
Degree serial number y, when j takes odd number, corresponding second dimension serial number y+q；
The first wave beam sequence number relation includes：First dimension sequence number and the second dimension sequence number, the first wave
First dimension sequence number of beam sequence number relation occupies the m wave beam sequence number in the first dimension direction, first wave beam
Second dimension sequence number of sequence number relation occupies the n wave beam sequence number in the second dimension direction, and m, n are natural number,
First dimension serial number x+j*p of the first wave beam sequence number relation, when j takes even number, corresponding second dimension
Degree serial number y, when j takes odd number, corresponding second dimension serial number y-q；
Wherein, x, y are the positive integer more than or equal to 0, and more than or equal to 0 and less than m, p, q are nature to j
Number.
8. device according to claim 6, it is characterised in that
The default wave beam sequence number relation includes：First dimension sequence number and the second dimension sequence number, the default ripple
First dimension sequence number of beam sequence number relation occupies the m wave beam sequence number in the first dimension direction, the default wave beam
Second dimension sequence number of sequence number relation occupies the second n, dimension direction wave beam, and m, n are natural number；It is described pre-
If the second dimension serial number y+j*p of wave beam sequence number relation, when j takes even number, corresponding first dimension sequence number
It is x, when j takes odd number, corresponding first dimension serial number x+q；
The first wave beam sequence number relation includes：First dimension sequence number and the second dimension sequence number, the first wave
First dimension sequence number of beam sequence number relation occupies the m wave beam sequence number in the first dimension direction, first wave beam
Second dimension sequence number of sequence number relation occupies the second n, dimension direction wave beam, and m, n are natural number, and described the
Second dimension serial number y+j*p of one wave beam sequence number relation, when j takes even number, corresponding first dimension sequence number
It is x, when j takes odd number, corresponding first dimension serial number x-q；
Wherein, x, y are the positive integer more than or equal to 0, and more than or equal to 0 and less than n, p, q are nature to j
Number.
9. device according to claim 6, it is characterised in that the determining unit, for i-th
Under first order code book sequence number, the wave beam of first order code book is determined according to the default wave beam sequence number relation；Also use
In under i+1 first order code book sequence number, the first order code is determined according to the first wave beam sequence number relation
This wave beam, wherein, i is the integer more than or equal to 0.
10. device according to claim 6, it is characterised in that the determining unit, for i-th
Under individual first order code book sequence number, the wave beam of first order code book is determined according to the first wave beam sequence number relation；Also
Under for i+1 first order code book sequence number, the first order is determined according to the default wave beam sequence number relation
The wave beam of code book, wherein, i is the integer more than or equal to 0.
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| CN102761401A (en) * | 2011-04-29 | 2012-10-31 | 上海贝尔股份有限公司 | Method for feeding back channel information |
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