阅读说明：本技术 Csi发送、接收方法及其装置、通信节点及存储介质 (CSI sending, receiving method and its device, communication node and storage medium ) 是由 吴昊 郑国增 肖华华 李永 鲁照华 李儒岳 于 2018-08-10 设计创作，主要内容包括：本发明实施例提供一种CSI发送、接收方法及其装置、通信节点及存储介质,通过对CSI矩阵H进行分解处理得到矢量组,其中矢量组中至少包括两个矢量矩阵,对矢量组中至少一个矢量矩阵中的元素信息进行量化,将量化后的元素信息进行发送,在某些实施过程中,可以基于对CSI矩阵分解后的矢量组中的元素信息进行量化反馈,丰富了CSI量化反馈的方式,为CSI量化反馈提供了更多的施行方式。(The embodiment of the present invention provides a kind of CSI sending, receiving method and its device, communication node and storage medium, set of vectors is obtained by carrying out resolution process to CSI matrix H, two vector matrixs are wherein included at least in set of vectors, element information in set of vectors at least one vector matrix is quantified, element information after quantization is sent, in certain implementation processes, it can be based on carrying out quantization feedback to the element information in the set of vectors after CSI matrix decomposition, the mode of CSI quantization feedback is enriched, provides more modus operandis for CSI quantization feedback.)

1. a kind of channel state information CSI sending method, comprising:

First communication node carries out resolution process to CSI matrix H and obtains set of vectors；Two vectors are included at least in the set of vectors Matrix；

Element information at least one vector matrix in the set of vectors is quantified；

Element information after quantization is sent.

2. CSI sending method as described in claim 1, which is characterized in that the CSI matrix H is first communication node The pre-coding matrix of recommendation or the CSI matrix H are the weighting coefficient matrix that linear combining is carried out to code book base vector.

3. CSI sending method as claimed in claim 2, which is characterized in that the dimension of the vector matrix by it is following at least it One determines:

Subband number in the CSI feedback bandwidth；

With the associated channel state information reference signals CSI-RS port number of the CSI；

The number of code book base vector.

4. CSI sending method as described in claim 1, which is characterized in that in the set of vectors at least one vector matrix Each vector units pairwise orthogonal.

5. CSI sending method as described in claim 1, which is characterized in that described at least one vector in the set of vectors Element information in matrix carries out quantization

For a vector matrix, the first element information based on the vector matrix corresponding to each element in the vector matrix Binary prime information carries out the second element information after being quantified of B bit.

6. CSI sending method as claimed in claim 5, which is characterized in that described at least one vector in the set of vectors Element information in matrix carries out quantization

The first element information after being quantified to the first element information of the vector matrix based on A bit.

7. CSI sending method as claimed in claim 6, which is characterized in that the A is greater than the B.

8. CSI sending method as claimed in claim 5, which is characterized in that when the element information includes amplitude information, institute State the first element information instruction at least one of:

The maximum value of element amplitude in one vector matrix；

The average value of element amplitude in one vector matrix；

The maximum value of element amplitude in each vector units that one vector matrix includes；

The average value of element amplitude in each vector units that one vector matrix includes；

Strongest code book base vector weighting coefficient range value；

Code book base vector broadband weighting coefficient range value；

The second element information includes at least one of:

The ratio of the amplitude of each element and first element information in one vector matrix；

The difference of the amplitude of each element and first element information in one vector matrix；

The amplitude of each element first element information corresponding with the vector units where the element in one vector matrix Ratio；

The amplitude of each element first element information corresponding with the vector units where the element in one vector matrix Difference.

9. CSI sending method as claimed in claim 5, which is characterized in that when the element information includes phase information, institute State the first element information instruction at least one of:

The maximum value of element phase in one vector matrix；

The average value of element phase in one vector matrix；

The maximum value of element phase in each vector units that one vector matrix includes；

The average value of element phase in each vector units that one vector matrix includes；

The weighting coefficient phase value of most strong code book base vector；

Code book base vector broadband weighting coefficient phase value；

The second element information includes at least one of:

The ratio of the phase of each element and first element information in one vector matrix；

The difference of the phase of each element and first element information in one vector matrix；

The phase of each element first element information corresponding with the vector units where the element in one vector matrix Ratio；

The difference of the phase of each element first element information corresponding with the vector units where the element in one group of vector.

10. CSI sending method as described in claim 1, which is characterized in that described to be obtained to CSI matrix H progress resolution process Set of vectors includes:

Directly the H is decomposed；

Or,

Each element in the H is obtained into matrix H corresponding with the matrix H divided by corresponding third element information respectively₀, to institute State H₀It carries out resolution process and obtains the set of vectors.

11. CSI sending method as claimed in claim 10, which is characterized in that the third element information is according to following manner At least one of obtain:

It is obtained according to the associated CSI-RS port number of the CSI；

It is obtained according to the subband number in the CSI feedback bandwidth；

It is obtained according to the code book base vector number for being weighted merging；

It is obtained according to the weighting coefficient wide-band-message of code book base vector.

12. CSI sending method as described in claim 1, which is characterized in that the method also includes:

S fourth element information is sent, the CSI matrix is equal to the square that at least one vector units is constituted in the vector matrix Battle array and the fourth element information constitute the product of matrix, and the S is the integer more than or equal to 1.

13. such as the described in any item CSI sending methods of claim 1-12, which is characterized in that the element information of each element At least one candidate value in corresponding candidate's value set is determined according at least one of following parameter:

Subband number N in the CSI feedback bandwidth；

With the associated CSI-RS port number N of the CSI_T；

Maximum value d in set composed by third element information；

Preconfigured configuration information；

It is weighted the number L of the code book base vector of merging；

The N, the L, the N_TWith two ratio and/or product in the d at least.

14. such as the described in any item CSI sending methods of claim 5-12, which is characterized in that first element information, described The element letter of second element information, fourth element information and first element information, the second element information, each element At least one of the corresponding candidate value set of at least one of two product in breath and fourth element information at least is candidate Value is determined according at least one of following parameter:

Subband number N in the CSI feedback bandwidth；

With the associated CSI-RS port number N of the CSI_T；

Maximum value d in set composed by third element information；

Preconfigured configuration information；

It is weighted the number L of the code book base vector of merging；

The N, the L, the N_TWith two ratio and/or product in the d at least.

15. such as the described in any item CSI sending methods of claim 1-12, which is characterized in that the element information of each element At least one of maximum candidate value in corresponding candidate value set be one of the following:

1；

A is positive integer, and x is the integer more than or equal to 0；

B is positive integer；

C is positive integer；

N is the number of subband in the CSI feedback bandwidth, N_TFor the number with the associated port CSI-RS the CSI, d is third Maximum value in set composed by element information.

16. such as the described in any item CSI sending methods of claim 5-12, which is characterized in that first element information, described Maximum candidate value in the corresponding candidate value set of at least one of second element information, fourth element information is one of the following:

1；

A is positive integer, and x is the integer more than or equal to 0；

B is positive integer；

C is positive integer；

N is the number of subband in the CSI feedback bandwidth, N_TFor the number with the associated port CSI-RS the CSI, d is third Maximum value in set composed by element information.

17. such as the described in any item CSI sending methods of claim 1-12, which is characterized in that the element information of each element At least one of at least one candidate value in corresponding candidate value set be one of the following:

P is the constant more than or equal to 0；

Q is the constant more than or equal to 0；

OrW is the constant more than or equal to 0；

Z is the constant more than or equal to 0；

N is the number of subband in the CSI feedback bandwidth, N_TFor the number with the associated port CSI-RS the CSI, L is to carry out Weight the number of combined code book base vector.

18. such as the described in any item CSI sending methods of claim 5-12, which is characterized in that first element information, described At least one candidate value in the corresponding candidate value set of at least one of second element information, fourth element information be it is following it One:

P is the constant more than or equal to 0；

Q is the constant more than or equal to 0；

OrW is the constant more than or equal to 0；

Z is the constant more than or equal to 0；

N is the number of subband in the CSI feedback bandwidth, N_TFor the number with the associated port CSI-RS the CSI, L is to carry out Weight the number of combined code book base vector.

19. such as the described in any item CSI sending methods of claim 1-12, which is characterized in that for some in the set of vectors Length is the vector units of G, and the G is the integer more than or equal to 2, and the element information includes amplitude information, the vector list The amplitude information of first each element, The Fifth Element information corresponding with the vector units, with each element pair in the vector units In the amplitude information of the hexa-atomic prime information and each element answered, the The Fifth Element information and the hexa-atomic prime information extremely Value after the corresponding quantization of at least one of two few product is at least one of following values:

J·cosθ₁；

The m is at least one of { 2 ..., G-1 }；

The J is greater than or equal to 0 constant, { θ₁,…,θ_G-1In each angle value range be [0,2 π]；

The element information at least one vector matrix in the set of vectors carries out quantization

To { the θ₁,…,θ_G-1In each angle quantified；

The The Fifth Element information indicates at least one of:

The maximum value of element amplitude in the vector units；

The average value of element amplitude in the vector units；

The hexa-atomic prime information indicates at least one of:

The ratio of the amplitude of each element and the The Fifth Element information in the vector units；

The difference of the amplitude of each element and the The Fifth Element information in the vector units.

20. CSI sending method as claimed in claim 19, which is characterized in that described to be sweared at least one in the set of vectors Element information in moment matrix is quantified further include:

To { the θ₁,…,θ_G-1First angle information carry out C bit quantization, and based on the first angle information to institute State { θ₁,…,θ_G-1In the corresponding second angle information of each angle carry out the second angle after being quantified of D bit and believe Breath.

21. CSI sending method as claimed in claim 20, which is characterized in that the C is greater than the D.

22. CSI sending method as claimed in claim 20, which is characterized in that the first angle information instruction is following at least One of:

{ the θ₁,…,θ_G-1In angle maximum value；

{ the θ₁,…,θ_G-1In angle average value；

The second angle information indicates at least one of:

{ the θ₁,…,θ_G-1In each angle and the first angle information ratio or difference.

23. a kind of CSI method of reseptance, comprising:

Second communication node receive quantization after element information, the element information be the first communication node to CSI matrix H into The corresponding information of element in the set of vectors obtained after row resolution process at least one vector matrix；Include in the set of vectors At least two vector matrixs；

Recovery is carried out to the element information after the quantization to handle to obtain the CSI matrix H.

24. CSI method of reseptance as claimed in claim 23, which is characterized in that the CSI matrix H is first communication section The pre-coding matrix or the CSI matrix H that point is recommended are the weighting coefficient matrix that linear combining is carried out to code book base vector.

25. CSI method of reseptance as claimed in claim 23, which is characterized in that at least one vector matrix in the set of vectors In each vector units pairwise orthogonal.

26. CSI method of reseptance as claimed in claim 23, which is characterized in that after second communication node receives quantization Element information includes:

Second communication node receives the second element information after quantization, and the second element information after the quantization is described the One communication node is based on the first element information of vector matrix described at least one corresponding to each element in the vector matrix The quantization that binary prime information carries out B bit obtains.

27. CSI method of reseptance as claimed in claim 26, which is characterized in that after second communication node receives quantization Element information includes:

Second communication node receives the first element information after quantization, and the first element information after the quantization is described first logical Letter node obtains the quantization that the first element information of at least one vector matrix carries out A bit.

28. CSI method of reseptance as claimed in claim 27, which is characterized in that the A is greater than the B.

29. CSI sending method as claimed in claim 26, which is characterized in that when the element information includes amplitude information, First element information indicates at least one of:

The maximum value of element amplitude in one vector matrix；

The average value of element amplitude in one vector matrix；

The maximum value of element amplitude in each vector units that one vector matrix includes；

The average value of element amplitude in each vector units that one vector matrix includes；

Strongest code book base vector weighting coefficient range value；

Code book base vector broadband weighting coefficient range value；

The second element information includes at least one of:

The ratio of the amplitude of each element and first element information in one vector matrix；

The difference of the amplitude of each element and first element information in one vector matrix；

The amplitude of each element first element information corresponding with the vector units where the element in one vector matrix Ratio；

The amplitude of each element first element information corresponding with the vector units where the element in one vector matrix Difference.

30. CSI sending method as claimed in claim 26, which is characterized in that when the element information includes phase information, First element information indicates at least one of:

The maximum value of element phase in one vector matrix；

The average value of element phase in one vector matrix；

The maximum value of element phase in each vector units that one vector matrix includes；

The average value of element phase in each vector units that one vector matrix includes；

The weighting coefficient phase value of most strong code book base vector；

Code book base vector broadband weighting coefficient phase value；

The second element information includes at least one of:

The ratio of the phase of each element and first element information in one vector matrix；

The difference of the phase of each element and first element information in one vector matrix；

The phase of each element first element information corresponding with the vector units where the element in one vector matrix Ratio；

The difference of the phase of each element first element information corresponding with the vector units where the element in one group of vector.

31. CSI method of reseptance as claimed in claim 23, it is characterised in that, the set of vectors is by first communication node Directly the H is decomposed to obtain, or the set of vectors by first communication node to matrix H₀It is decomposed to obtain, the H₀ The each element in the H is obtained divided by corresponding third element information respectively for first communication node.

32. CSI method of reseptance as claimed in claim 31, which is characterized in that the third element information is according to following manner One of obtain:

It is obtained according to the associated CSI-RS port number of the CSI；

It is obtained according to the subband number in the CSI feedback bandwidth；

It is obtained according to the code book base vector number for being weighted merging；

It is obtained according to the weighting coefficient wide-band-message of code book base vector.

33. CSI method of reseptance as claimed in claim 23, which is characterized in that the method also includes:

Second communication node receives S fourth element information, and the CSI matrix is equal at least one in the vector matrix Matrix and the fourth element information that vector units are constituted constitute the product of matrix, and the S is the integer more than or equal to 1.

34. such as the described in any item CSI method of reseptances of claim 23-33, which is characterized in that the element information of each element At least one candidate value in corresponding candidate's value set is determined according at least one of following parameter:

Subband number N in the CSI feedback bandwidth；

With the associated CSI-RS port number N of the CSI_T；

Maximum value d in set composed by third element information；

Preconfigured configuration information；

It is weighted the number L of the code book base vector of merging；

The N, the L, the N_TWith two ratio and/or product in the d at least.

35. such as the described in any item CSI method of reseptances of claim 26-33, which is characterized in that first element information, institute State the element of second element information, fourth element information and first element information, the second element information, each element At least one of corresponding candidate value set of at least one of two product in information and fourth element information at least is waited Choosing value is determined according at least one of following parameter:

Subband number N in the CSI feedback bandwidth；

With the associated CSI-RS port number N of the CSI_T；

Maximum value d in set composed by third element information；

Preconfigured configuration information；

It is weighted the number L of the code book base vector of merging；

The N, the L, the N_TWith two ratio and/or product in the d at least.

36. such as the described in any item CSI method of reseptances of claim 23-33, which is characterized in that the element information of each element At least one of maximum candidate value in corresponding candidate value set be one of the following:

1；

A is positive integer, and x is the integer more than or equal to 0；

B is positive integer；

C is positive integer；

N is the number of subband in the CSI feedback bandwidth, N_TFor the number with the associated port CSI-RS the CSI, d is third Maximum value in set composed by element information, the third element information are information relevant to the decomposition to the H.

37. such as the described in any item CSI method of reseptances of claim 26-33, which is characterized in that first element information, institute It is following for stating the maximum candidate value in the corresponding candidate value set of at least one of second element information and fourth element information One of:

1；

A is positive integer, and x is the integer more than or equal to 0；

B is positive integer；

C is positive integer；

N is the number of subband in the CSI feedback bandwidth, N_TFor the number with the associated port CSI-RS the CSI, d is third Maximum value in set composed by element information, the third element information are information relevant to the decomposition to the H.

38. such as the described in any item CSI method of reseptances of claim 23-33, which is characterized in that the element information of each element At least one of at least one candidate value in corresponding candidate value set be one of the following:

P is the constant more than or equal to 0；

Q is the constant more than or equal to 0；

OrW is the constant more than or equal to 0；

Z is the constant more than or equal to 0；

N is the number of subband in the CSI feedback bandwidth, N_TFor the number with the associated port CSI-RS the CSI, L is to carry out Weight the number of combined code book base vector.

39. such as the described in any item CSI method of reseptances of claim 26-33, which is characterized in that first element information, institute At least one candidate value stated in the corresponding candidate value set of at least one of second element information and fourth element information is Following one:

P is the constant more than or equal to 0；

Q is the constant more than or equal to 0；

OrW is the constant more than or equal to 0；

Z is the constant more than or equal to 0；

N is the number of subband in the CSI feedback bandwidth, N_TFor the number with the associated port CSI-RS the CSI, L is to carry out Weight the number of combined code book base vector.

40. such as the described in any item CSI method of reseptances of claim 23-33, which is characterized in that for some in the set of vectors Length is the vector units of G, and the G is the integer more than or equal to 2, and the element information includes amplitude information, the vector list The amplitude information of first each element, The Fifth Element information corresponding with the vector units, with each element pair in the vector units In the amplitude information of the hexa-atomic prime information and each element answered, the The Fifth Element information and the hexa-atomic prime information at least Two product at least one value be at least one of following values:

J·cosθ₁；

The m is at least one of { 2 ..., G-1 }；

The J is greater than or equal to 0 constant, { θ₁,…,θ_G-1In each angle value range be [0,2 π]；

It includes: { θ described in second communication node receives that second communication node, which receives the element information after quantization,₁,…, θ_G-1In each angular quantification after value；

The The Fifth Element information indicates at least one of:

The maximum value of element amplitude in the vector units；

The average value of element amplitude in the vector units；

The hexa-atomic prime information indicates at least one of:

The ratio of the amplitude of each element and the The Fifth Element information in the vector units；

The difference of the amplitude of each element and the The Fifth Element information in the vector units.

41. CSI method of reseptance as claimed in claim 40, which is characterized in that after second communication node receives quantization Element information includes:

Second communication node receives the first angle information after quantization and the second angle information after quantization, the quantization First angle information afterwards is to { the θ₁,…,θ_G-1First angle information carry out C bit quantization obtain, the quantization Second angle information afterwards is to the first angle information to the { θ₁,…,θ_G-1In the corresponding second angle letter of each angle The quantization that breath carries out D bit obtains.

42. CSI method of reseptance as claimed in claim 41, which is characterized in that the C is greater than the D.

43. CSI method of reseptance as claimed in claim 41, which is characterized in that the first angle information instruction is following at least One of:

{ the θ₁,…,θ_G-1In angle maximum value；

{ the θ₁,…,θ_G-1In angle average value；

The second angle information indicates at least one of:

{ the θ₁,…,θ_G-1In each angle and the first angle information ratio or difference.

44. a kind of CSI sending device, comprising:

Resolution process module obtains set of vectors for carrying out resolution process to CSI matrix H；Two are included at least in the set of vectors A vector matrix；

Quantization modules, for quantifying to the element information at least one vector matrix in the set of vectors；

Sending module, for sending the element information after quantization.

45. a kind of CSI reception device, comprising:

Receiving module, for receiving the element information after quantifying, the element information is after carrying out resolution process to CSI matrix H The corresponding information of element in obtained set of vectors at least one vector matrix；It include at least two vectors in the set of vectors Matrix

Recovery module handles to obtain the CSI matrix H for carrying out recovery to the element information after the quantization.

46. a kind of communication node, including processor, memory and communication bus；

The communication bus is for realizing the connection communication between the processor and the memory；

The processor is for executing one or more first computer program stored in the memory, to realize as weighed Benefit requires the step of CSI sending method described in any one of 1-22, or executes one stored in the memory or more A second computer program, the step of to realize CSI method of reseptance as described in any one of claim 23-43.

47. a kind of storage medium, which is characterized in that the storage medium is stored with one or more the first computer program, One or more of first computer programs can be executed by one or more processor, to realize such as claim 1-22 Any one of described in CSI sending method the step of；Or, the storage medium is stored with one or more second computer journey Sequence, one or more of second computer programs can be executed by one or more processor, to realize such as claim Described in any one of 23-43 the step of CSI method of reseptance.

Technical field

The present embodiments relate to but be not limited to field of communication technology, in particular to but be not limited to CSI and send, connect Receiving method and its device, communication node and storage medium.

Background technique

In MIMO (Multiple input multiple output, MIMO technique) wireless communication system In, by carrying out precoding or beam forming to more transmission antennas, it can achieve the purpose for promoting efficiency of transmission and reliability. In order to realize that high performance precoding or beam forming, pre-coding matrix or beam forming vector need relatively good matching to believe Road, this just needs transmitting terminal that can preferably obtain CSI (Channel State Information, channel state information), because This, CSI feedback is to realize the key technology of high-performance precoding or beam forming in mimo systems.In traditional wireless communication In system, quantization feedback directly usually is carried out to the element in CSI matrix, the feedback system of CSI is single.

Summary of the invention

CSI sending, receiving method and its device, communication node and storage medium provided in an embodiment of the present invention, it is main to solve Certainly the technical issues of is to enrich the quantization feedback system of CSI to realize quantization feedback, proposes that a kind of new CSI sends, receives Method and device thereof, communication node and storage medium.

In order to solve the above technical problems, the embodiment of the present invention provides a kind of channel state information CSI sending method, comprising:

First communication node carries out resolution process to CSI matrix H and obtains set of vectors；Two are included at least in the set of vectors Vector matrix；

Element information at least one vector matrix in the set of vectors is quantified；

Element information after quantization is sent.

The embodiment of the present invention also provides a kind of CSI method of reseptance, comprising:

Second communication node receives the element information after quantization, and the element information is the first communication node to CSI matrix H Carry out the corresponding information of element in the set of vectors obtained after resolution process at least one vector matrix；It is wrapped in the set of vectors Include at least two vector matrixs；

Recovery is carried out to the element information after the quantization to handle to obtain the CSI matrix H.

The present embodiment also provides a kind of CSI sending device, comprising:

Resolution process module obtains set of vectors for carrying out resolution process to CSI matrix H；It is at least wrapped in the set of vectors Include two vector matrixs；

Quantization modules, for quantifying to the element information at least one vector matrix in the set of vectors；

Sending module, for sending the element information after quantization.

The present embodiment also provides a kind of CSI reception device, comprising:

Receiving module, for receiving the element information after quantifying, the element information is to carry out at decomposition to CSI matrix H The corresponding information of element in the set of vectors obtained after reason at least one vector matrix；It include at least two in the set of vectors Vector matrix

Recovery module handles to obtain the CSI matrix H for carrying out recovery to the element information after the quantization.

The present embodiment also provides a kind of communication node, including processor, memory and communication bus；

The communication bus is for realizing the connection communication between processor and memory, and processor is for executing memory One or more first computer program of middle storage is deposited the step of to realize above-mentioned CSI sending method, or described in executing One or more second computer program stored in reservoir, the step of to realize above-mentioned CSI sending method.

The present embodiment also provides a kind of storage medium, and the storage medium is stored with one or more the first computer journey Sequence, one or more of first computer programs can be executed by one or more processor, to realize above-mentioned CSI hair The step of delivery method；Or, the storage medium is stored with one or more second computer program, it is one or more of Second computer program can be executed by one or more processor, the step of to realize above-mentioned CSI sending method.

The beneficial effects of the present invention are:

CSI sending, receiving method and its device, communication node and the storage medium provided according to embodiments of the present invention leads to It crosses and set of vectors is obtained to CSI matrix H progress resolution process, two vector matrixs are wherein included at least in set of vectors, to set of vectors In element information at least one vector matrix quantified, the element information after quantization is sent, in certain implementations In the process, CSI quantization can be enriched based on quantization feedback is carried out to the element information in the set of vectors after CSI matrix decomposition The mode of feedback provides more modus operandis for CSI quantization feedback.

Other features of the invention and corresponding beneficial effect are described in the aft section of specification, and should be managed Solution, at least partly beneficial effect is apparent from from the record in description of the invention.

Detailed description of the invention

Fig. 1 is the flow diagram of the CSI sending method of the embodiment of the present invention one；

Fig. 2 is the precoding information schematic diagram on each subband of the embodiment of the present invention one；

Fig. 3 is the flow diagram of the CSI method of reseptance of the embodiment of the present invention two；

Fig. 4 is the structural schematic diagram of the CSI sending device of the embodiment of the present invention four；

Fig. 5 is the structural schematic diagram of the CSI reception device of the embodiment of the present invention five；

Fig. 6 is the structural schematic diagram of the communication node of the embodiment of the present invention six；

Fig. 7 is the structural schematic diagram of the CSI communication system of the embodiment of the present invention seven.

Specific embodiment

In order to make the objectives, technical solutions, and advantages of the present invention clearer, below by specific embodiment knot Attached drawing is closed to be described in further detail the embodiment of the present invention.It should be appreciated that specific embodiment described herein is only used to It explains the present invention, is not intended to limit the present invention.