CN109309639A - Channel matrix processing method and processing device - Google Patents
Channel matrix processing method and processing device Download PDFInfo
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- CN109309639A CN109309639A CN201710632189.XA CN201710632189A CN109309639A CN 109309639 A CN109309639 A CN 109309639A CN 201710632189 A CN201710632189 A CN 201710632189A CN 109309639 A CN109309639 A CN 109309639A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03891—Spatial equalizers
- H04L25/03898—Spatial equalizers codebook-based design
- H04L25/0391—Spatial equalizers codebook-based design construction details of matrices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/32—Reducing cross-talk, e.g. by compensating
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03343—Arrangements at the transmitter end
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/22—Arrangements affording multiple use of the transmission path using time-division multiplexing
- H04L5/24—Arrangements affording multiple use of the transmission path using time-division multiplexing with start-stop synchronous converters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
- H04L2025/03426—Arrangements for removing intersymbol interference characterised by the type of transmission transmission using multiple-input and multiple-output channels
Abstract
The present invention provides a kind of channel matrix processing method and processing device, this method comprises: receiving the signaling that high specific transmission MRT controller is sent, wherein signaling be used to indicate exit or into predetermined packet line pair mark and predetermined packet mark；According to the mark of the mark of line pair and predetermined packet, precoding coefficients matrix is obtained；Diagonalization processing is carried out to MRT channel matrix by precoding coefficients matrix, wherein, MRT channel matrix is that MRT precoder is generated according to MRT pre-coding matrix and far-end cross talk FEXT channel matrix and MRT row and column number of channel matrix is activation CPE number of customer terminal equipment.Through the invention, solve in the related technology when it is wired to " entrance " or " leaving " be grouped group when, can not eliminate grouping group between crosstalk the problem of, reach elimination crosstalk effect.
Description
Technical field
The present invention relates to digital subscriber line (Digital Subscriber Line, referred to as DSL) technical field, tools
For body, it is related to a kind of channel matrix processing method and processing device.
Background technique
High specific transmits (Maximal Ratio Transmission, referred to as MRT) technology by Britain Telecom 2016
It is proposed in the ITU-T motion of year September, is dead pair in a kind of effective use set of vectors, the method for obtaining space diversity gain.
The principle of MRT is the code diversity that prelists by transmitting terminal, and the strong crosstalk of interchannel is converted to and is set to some given client terminal
Received signal to noise ratio (Signal-Noise Ratio, the abbreviation of standby (Customer Premise Equipment, referred to as CPE)
For SNR) gain, to achieve the purpose that improve rate rate boosting.
Assuming that have N root twisted pair and K activation user (CPE number) in a set of vectors, Fig. 1 is vector in the related technology
Group simplifies use-case schematic diagram, as shown in Figure 1, N=8 and K=2 in set of vectors, that is, include CPE and six idle line of two activation
Road, route 2,3 and 5 is for supporting CPE_2, and All other routes are for supporting CPE_4.
Hsub indicates that the channel matrix of (K*N), signal r are the column vectors that user received (K*1) is activated by K, and s is
(N*1) column vector.Hk, n indicate to hold from decentralized processing unit (Distributed Processing Unit, referred to as DPU)
Mouth n is issued, by the received channel of CPE_k.Wherein,
R=Hsubs+n
By one (N*K) pre-coding matrix Psub, so that s=PsubX, x indicate symbol to be sent, are (K*1)
Column vector, CPE can obtain SNR more higher using vectorization vectoring than N root route.
If all N root twisted pairs can be supported k-th of CPE (such as K=1), equivalent channel path is the row k of H,
Mark isIn order to make SNR maximum to improve rate, a column vector is configured by precoder,μ is normalization factor, and the pre-coded symbols from different transmitters are coherently accumulated, and is derived
The reception signal of CPE is activated to k-th
If K > 1, such as K=2, then the case where belonging to group-MRC.The i-th column of Hsub indicate to come from i-th of transmitter
Channel path.To each transmitter, intended receivers only one.That is, in each grouping group only one
CPE.In order to eliminate the crosstalk between activation user (namely activation CPE), need to meet HsubPsub=D, D are the diagonal of (K*K)
Battle array.
But when it is wired to " entrance " or " leaving " group when, the precoding processing of grouping can be brought which become
Change；And when the line of this root " entrances " or " leaving " is to the line clock synchronization where being activation user, group itself can be brought why
The variation of sample；And when line is to " entrance " or " leaving " group, how MRT precoder is recalculated in grouping group
Psub, how far-end cross talk (Far-End Crosstalk, referred to as FEXT) precoder, which recalculates, is grouped between group
Hsub, these were not introduced in the related art.Therefore, in the related art, when wired to " entrance " or " leaving " point
When group group, the crosstalk between grouping group can not be eliminated.
Summary of the invention
The embodiment of the invention provides a kind of channel matrix processing method and processing device, at least to solve in the related technology when having
Line to " entrance " or " leaving " be grouped group when, can not eliminate grouping group between crosstalk the problem of.
According to one embodiment of present invention, a kind of channel matrix processing method is provided, comprising: receive high specific transmission
MRT controller send signaling, wherein the signaling be used to indicate exit or into predetermined packet line pair mark and institute
State the mark of predetermined packet；According to the mark of the line pair and the mark of the predetermined packet, precoding coefficients matrix is obtained；It is logical
It crosses the precoding coefficients matrix and diagonalization processing is carried out to MRT channel matrix, wherein the MRT channel matrix is that MRT prelists
The line number of the MRT channel matrix that code device is generated according to the MRT pre-coding matrix and far-end cross talk FEXT channel matrix and described
It is activation CPE number of customer terminal equipment with columns.
Optionally, according to the mark of the line pair and the mark of the predetermined packet, the precoding coefficients matrix is obtained
It include: that the dimension of precoding coefficients matrix is determined according to the mark of the line pair and the mark of the predetermined packet；Pass through vector
Change algorithm and the dimension, obtains the precoding coefficients matrix.
Optionally, according to the mark of the line pair and the mark of the predetermined packet, the dimension of precoding coefficients matrix is determined
Number include at least one of: the signaling be used to indicate exit or into predetermined packet line pair mark and the line
In the case where for the free time corresponding line pair of CPE, the dimension of the precoding coefficients matrix be equal to nothing line to exit or into
The dimension of precoding coefficients matrix when entering the predetermined packet；The line pair for exiting predetermined packet is used to indicate in the signaling
Mark and the line are in the case where for the corresponding line pair of activation CPE, and the dimension of the precoding coefficients matrix is in no line
A line one is reduced on the basis of the dimension of precoding coefficients matrix to exiting or into the predetermined packet constantly to arrange.
According to another embodiment of the invention, a kind of channel matrix processing method is provided, comprising: receive high specific and pass
The signaling that defeated MRT controller is sent, wherein the signaling be used to indicate exit or into predetermined packet line pair mark and
The mark of the predetermined packet；According to the mark of the line pair and the mark of the predetermined packet, MRT pre-coding matrix is obtained；
According to the MRT pre-coding matrix and far-end cross talk FEXT channel matrix, MRT channel matrix is generated and by the MRT channel square
Vector control unit VCE is given in paroxysm, so that the VCE carries out diagonalization processing to the MRT channel matrix, wherein described
MRT row and column number of channel matrix is activation CPE number of customer terminal equipment.
Optionally, according to the MRT pre-coding matrix and far-end cross talk FEXT channel matrix, the MRT channel square is generated
Battle array includes: to obtain intermediate MRT channel matrix according to the MRT pre-coding matrix and far-end cross talk FEXT channel matrix；Passing through will
The mode that the corresponding column vector of idle CPE is rejected from the intermediate MRT channel matrix, generates the MRT channel matrix.
Optionally, according to the line pair mark and the predetermined packet mark, obtain MRT pre-coding matrix include with
It is at least one lower: to be used to indicate the mark for exiting the line pair of predetermined packet in the signaling and the line is corresponded to for free time CPE
Line pair in the case where, the MRT pre-coding matrix is in no line to exiting or MRT when into the predetermined packet is pre-
Reduce by a column on the basis of encoder matrix, wherein the reduction is classified as the line for exiting the predetermined packet to corresponding column；?
The signaling be used to indicate into the line pair of predetermined packet mark and the line to the situation for the free time corresponding line pair of CPE
Under, the MRT pre-coding matrix is the base in no line to the MRT pre-coding matrix exited or when into the predetermined packet
Increase by a column on plinth, wherein the increased line for entering the predetermined packet that is classified as is to corresponding column；It is used in the signaling
It indicates to exit the mark of the line pair of predetermined packet and the line is in the case where for the corresponding line pair of activation CPE, closing is described pre-
The emission port of wired pair of institute in fixed grouping, the MRT pre-coding matrix are in no line to exiting or enter described make a reservation for
A line is reduced on the basis of MRT pre-coding matrix when grouping and reduces the columns that demand pairs are equal in the predetermined packet,
In, the corresponding row of predetermined packet described in the behavior of the reduction, the reduction is classified as the predetermined packet middle line to corresponding
Column.
According to still another embodiment of the invention, a kind of channel matrix processing unit is provided, comprising: receiving module is used
In the signaling for receiving high specific transmission MRT controller transmission, wherein the signaling, which is used to indicate, exits or enter predetermined packet
Line pair mark and the predetermined packet mark；Module is obtained, for according to the mark of the line pair and predetermined point described
The mark of group obtains precoding coefficients matrix；Processing module, for passing through the precoding coefficients matrix to MRT channel matrix
Carry out diagonalization processing, wherein the MRT channel matrix is that MRT precoder is gone here and there according to the MRT pre-coding matrix and distal end
Disturbing the MRT row and column number of channel matrix that FEXT channel matrix generates and described is activation CPE number of customer terminal equipment.
Optionally, the acquisition module is also used to be determined according to the mark of the line pair and the mark of the predetermined packet
The dimension of precoding coefficients matrix；By vectorization algorithm and the dimension, the precoding coefficients matrix is obtained.
According to still another embodiment of the invention, a kind of channel matrix processing unit is provided, comprising: receiving module is used
In the signaling for receiving high specific transmission MRT controller transmission, wherein the signaling, which is used to indicate, exits or enter predetermined packet
Line pair mark and the predetermined packet mark；Module is obtained, for according to the mark of the line pair and predetermined point described
The mark of group obtains MRT pre-coding matrix；Generation module, for being believed according to the MRT pre-coding matrix and far-end cross talk FEXT
Road matrix generates MRT channel matrix and the MRT channel matrix is sent to vector control unit VCE, so that described VCE pairs
The MRT channel matrix carries out diagonalization processing, wherein the MRT row and column number of channel matrix is that activation client is whole
CPE number of end equipment.
Optionally, the generation module is also used to according to the MRT pre-coding matrix and far-end cross talk FEXT channel square
Battle array obtains intermediate MRT channel matrix；Pass through reject the corresponding column vector of idle CPE from the intermediate MRT channel matrix
Mode generates the MRT channel matrix.
According to still another embodiment of the invention, a kind of storage medium is additionally provided, the storage medium includes storage
Program, wherein described program executes method described in any of the above embodiments when running.
According to still another embodiment of the invention, a kind of processor is additionally provided, the processor is used to run program,
In, described program executes method described in any of the above embodiments when running.
Through the invention, receive high specific transmission MRT controller send signaling, wherein signaling be used to indicate exit or
Person enters the mark of the line pair of predetermined packet and the mark of predetermined packet；According to the mark of the mark of line pair and predetermined packet, obtain
Take precoding coefficients matrix；Diagonalization processing is carried out to MRT channel matrix by precoding coefficients matrix, wherein MRT channel square
Battle array is MRT precoder according to MRT pre-coding matrix and the generation of far-end cross talk FEXT channel matrix and the row of MRT channel matrix
Several and columns is activation CPE number of customer terminal equipment.Since VCE receives the signaling of MRT controller transmission, determine wired
To entering or exit predetermined packet, and then according to the mark of the mark of line pair and predetermined packet, precoding coefficients matrix is obtained,
Allow to carry out pair the MRT channel matrix that MRT precoder is sent according to the newest precoding coefficients matrix of acquisition
Angling processing, the i.e. present invention cooperate with processing by MRT controller and VCE, to eliminate crosstalk namely client between grouping group
The crosstalk of the corresponding interchannel of terminal device CPE.Therefore, it can solve in the related technology when wired to " entrance " or " leaving "
Be grouped group when, can not eliminate grouping group between crosstalk the problem of, reach elimination crosstalk effect.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is that set of vectors simplifies use-case schematic diagram in the related technology；
Fig. 2 is a kind of hardware block diagram of the mobile terminal of channel matrix processing method of the embodiment of the present invention；
Fig. 3 is the flow chart one of channel matrix processing method according to an embodiment of the present invention；
Fig. 4 is the flowchart 2 of channel matrix processing method according to an embodiment of the present invention；
Fig. 5 is precoding processing configuration diagram according to an embodiment of the present invention；
Fig. 6 is the structural block diagram one of channel matrix processing unit according to an embodiment of the present invention；
Fig. 7 is the structural block diagram two of channel matrix processing unit according to an embodiment of the present invention.
Specific embodiment
Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and in combination with Examples.It should be noted that not conflicting
In the case of, the features in the embodiments and the embodiments of the present application can be combined with each other.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.
Embodiment 1
Embodiment of the method provided by the embodiment of the present application 1 can be in mobile terminal, terminal or similar fortune
It calculates and is executed in device.For running on mobile terminals, Fig. 2 is a kind of channel matrix processing method of the embodiment of the present invention
The hardware block diagram of mobile terminal.As shown in Fig. 2, mobile terminal 20 may include one or more (only showing one in figure)
(processor 202 can include but is not limited to the processing dress of Micro-processor MCV or programmable logic device FPGA etc. to processor 202
Set), memory 204 for storing data and the transmitting device 206 for communication function.Those of ordinary skill in the art
It is appreciated that structure shown in Fig. 2 is only to illustrate, the structure of above-mentioned electronic device is not caused to limit.For example, mobile whole
End 20 may also include than shown in Fig. 2 more perhaps less component or with the configuration different from shown in Fig. 2.
Memory 204 can be used for storing the software program and module of application software, such as the channel in the embodiment of the present invention
Corresponding program instruction/the module of matrix disposal method, the software program that processor 202 is stored in memory 204 by operation
And module realizes above-mentioned method thereby executing various function application and data processing.Memory 204 may include height
Fast random access memory, may also include nonvolatile memory, as one or more magnetic storage device, flash memory or other
Non-volatile solid state memory.In some instances, memory 204 can further comprise remotely located relative to processor 202
Memory, these remote memories can pass through network connection to mobile terminal 20.The example of above-mentioned network includes but unlimited
In internet, intranet, local area network, mobile radio communication and combinations thereof.
Transmitting device 206 is used to that data to be received or sent via a network.Above-mentioned network specific example may include
The wireless network that the communication providers of mobile terminal 20 provide.In an example, transmitting device 206 includes a Network adaptation
Device (Network Interface Controller, NIC), can be connected by base station with other network equipments so as to it is mutual
Networking is communicated.In an example, transmitting device 206 can be radio frequency (Radio Frequency, RF) module, use
In wirelessly being communicated with internet.
A kind of channel matrix processing method for running on above-mentioned mobile terminal is provided in the present embodiment, and Fig. 3 is basis
The flow chart one of the channel matrix processing method of the embodiment of the present invention, as shown in figure 3, the process includes the following steps:
Step S302, receive high specific transmission MRT controller send signaling, wherein signaling be used to indicate exit or
Into the mark of the line pair of predetermined packet and the mark of predetermined packet；
Step S304 obtains precoding coefficients matrix according to the mark of the mark of line pair and predetermined packet；
Step S306 carries out diagonalization processing to MRT channel matrix by precoding coefficients matrix, wherein MRT channel square
Battle array is MRT precoder according to MRT pre-coding matrix and the generation of far-end cross talk FEXT channel matrix and the row of MRT channel matrix
Several and columns is activation CPE number of customer terminal equipment.
Through the above steps, since vector control unit (Vector Control Element, referred to as VCE) receives
The signaling that MRT controller is sent determines that wired pair enters or exit predetermined packet, and then according to the mark of line pair and predetermined point
The mark of group obtains precoding coefficients matrix, allows to the newest precoding coefficients matrix according to acquisition to MRT precoding
The MRT channel matrix that device is sent carries out diagonalization processing, to eliminate crosstalk namely customer terminal equipment CPE between grouping group
The crosstalk of corresponding interchannel.I.e. the present invention cooperates with processing by MRT controller and VCE, realizes when wired to " entrance "
Or when " leaving " grouping group, it is grouped the elimination of crosstalk between group.Therefore, it can solve in the related technology when wired right
" entrance " or " leaving " be grouped group when, can not eliminate grouping group between crosstalk the problem of, reach elimination crosstalk effect.
Optionally, MRT controller can also by signaling, only inform which line of VCE to being dispensed on group_1, which
Line is to being dispensed on group_M.
Optionally, according to the mark of the mark of line pair and predetermined packet, obtaining precoding coefficients matrix includes: according to line pair
Mark and predetermined packet mark, determine the dimension of precoding coefficients matrix；By vectorization algorithm and dimension, acquisition prelists
Code coefficient matrix.
Optionally, according to the mark of the mark of line pair and predetermined packet, determine precoding coefficients matrix dimension include with
It is at least one lower: signaling be used to indicate exit or into predetermined packet line pair mark and line to for free time CPE correspondence
Line pair in the case where, the dimension of precoding coefficients matrix is equal to nothing precoding of the line to exiting or when into predetermined packet
The dimension of coefficient matrix；The mark for exiting the line pair of predetermined packet and line are used to indicate to for the corresponding line of activation CPE in signaling
To in the case where, the dimension of precoding coefficients matrix is the precoding system in no line to exiting or into predetermined packet constantly
A line one is reduced on the basis of the dimension of matrix number to arrange.
A kind of channel matrix processing method for running on above-mentioned mobile terminal is additionally provided in the present embodiment, and Fig. 4 is root
According to the flowchart 2 of the channel matrix processing method of the embodiment of the present invention, as shown in figure 4, the process includes the following steps:
Step S402, receive high specific transmission MRT controller send signaling, wherein signaling be used to indicate exit or
Into the mark of the line pair of predetermined packet and the mark of predetermined packet；
Step S404 obtains MRT pre-coding matrix according to the mark of the mark of line pair and predetermined packet；
Step S406, according to MRT pre-coding matrix and far-end cross talk FEXT channel matrix, generation MRT channel matrix simultaneously will
MRT channel matrix is sent to vector control unit VCE, so that VCE carries out diagonalization processing to MRT channel matrix, wherein MRT
Row and column number of channel matrix is activation CPE number of customer terminal equipment.
Optionally, according to MRT pre-coding matrix and far-end cross talk FEXT channel matrix, generating MRT channel matrix includes: root
According to MRT pre-coding matrix and far-end cross talk FEXT channel matrix, intermediate MRT channel matrix is obtained；By the way that idle CPE is corresponding
The mode that column vector is rejected from intermediate MRT channel matrix generates MRT channel matrix.
Optionally, according to the mark of the mark of line pair and predetermined packet, obtain MRT pre-coding matrix include it is following at least it
One: in the case where signaling is used to indicate the mark for exiting the line pair of predetermined packet and line to line pair corresponding for free time CPE,
MRT pre-coding matrix is in no line to exiting or MRT pre-coding matrix when into predetermined packet on the basis of reduces one
Column, wherein reduction is classified as the line for exiting predetermined packet to corresponding column；The line pair into predetermined packet is used to indicate in signaling
Mark and line in the case where for the free time corresponding line pair of CPE, MRT pre-coding matrix is in no line to exiting or enter
Increase by a column on the basis of MRT pre-coding matrix when predetermined packet, wherein increased to be classified as the line into predetermined packet to right
The column answered；The mark for exiting the line pair of predetermined packet and line are used to indicate to the situation for the corresponding line pair of activation CPE in signaling
Under, close wired pair of emission port of institute in predetermined packet, MRT pre-coding matrix is to make a reservation in no line to exiting or enter
A line is reduced on the basis of MRT pre-coding matrix when grouping and reduces the equal columns of demand pairs in predetermined packet, wherein is subtracted
Few corresponding row of behavior predetermined packet, reduction are classified as predetermined packet middle line to corresponding column.
For convenience of above-described embodiment is understood, citing is illustrated below, and Fig. 5 is at precoding according to an embodiment of the present invention
Configuration diagram is managed, as shown in figure 5, the present invention increases MRT precoder on original precoding processing framework and MRT is controlled
Device, and increase a MRT_c control interface between MRT controller and MRT precoding, increase between MRT controller and VCE
One MRT_VCE_c control interface.M is grouping group number, it is assumed, for the sake of explanation, that M=2；N be include activation wire pair with
The line of dead pair is to sum, it is assumed that N=3.CPE_1 and CPE_3 is activation user terminal, and line is activation user to 3 to 1 and line
The line pair at place；CPE_2 is idle user terminal, and line is to the line pair that 2 be where free subscriber；MRT controller determines line to 1 He
Line is dispensed on grouping group_1 to 2, and line is dispensed on group_2 to 3.
MRT precoder and the signal processing of FEXT precoder are as follows:
FEXT channel matrix is the matrix of a 3*3,
MRT pre-coding matrix is the matrix of a 2*3,
Wherein, line to real concern is to activate user 1 and activate the column vector where user 3, i.e., the column of above formula (2) to
Amount 1 and column vector 3.The column vector 2 of above formula (2) is rejected, is MRT channel matrix HMRT。HMRTIt is the matrix of a 2*2.
VCE passes through vectorization vectoring algorithm again and obtains pre-coding matrix PD, makes HMRT diagonalization, in this way, just eliminating
Crosstalk between group1 and group2 set of vectors:
Formula (3) above is exactly that MRT precoder and FEXT precoder cooperate with treated as a result, namely MRT control
Device cooperates with the result of processing with VCT.
Optionally, above-mentioned MRT controller is by signaling, only can need to inform which line of VCE to being dispensed on group_
1, which line is to being dispensed on group_M.
Optionally, the MRT controller newly added does not influence control of the VCE to FEXT precoder, VCE still according to
G.993.5 the processing of " addition " specified in or " release " process.
Optionally, when certain root carrier wave tone is coupled to SNR of the activation wire to after greater than threshold value, MRT controller can be with
Determine the corresponding line of this root tone to being activated.
Optionally, when MRT controller determines the new dead pair of certain root, such as line to 2, when being dispensed on group_1, this
The MRT pre-coding matrix dimension of a group_1 increase accordingly a column；After VCE recalculates precoding coefficients, inform that FEXT prelists
Code device, but the dimension of precoding coefficients matrix remains unchanged.
Optionally, certain current root dead pair, such as line exit original group_1 because of the variation of SNR to 2
When, the MRT pre-coding matrix dimension of group_1 accordingly reduces by a column；Similarly, current dead pair 2 because SNR variation and
When group_2 is added, the MRT pre-coding matrix dimension of this group_2 increase accordingly a column；VCE recalculates precoding system
After number, FEXT precoder is informed, but the dimension of precoding coefficients matrix remains unchanged.
Optionally, when front is to being released or going offline suddenly, if when front is to the line pair where being activation user
1, then MRT controller needs to wait certain duration, if still can not synchronize or restore, where activation user
Group_1 in wired pair of emission port all close；Or it can be the partial line in group_1 to being added to
In group_2, the MRT pre-coding matrix dimension of this group_2 increase accordingly a column；After VCE recalculates precoding coefficients,
Inform FEXT precoder, but the dimension of precoding coefficients matrix remains unchanged.After VCE recalculates precoding coefficients, accuse
Know FEXT precoder, while the dimension of precoding coefficients matrix needs to reduce the column of a line one.
Enter grouping group_1 from above-mentioned dead pair 2 separately below and exit grouping group_1 and is specifically explained
It states.
Scene one, dead pair 2 exit group_1.
Step 1, FEXT channel matrix retract at a 2*2 matrix,
Step 2, MRT controller transmits signaling, informs that MRT precoder, the dimension of MRT pre-coding matrix accordingly reduce one
Column, become the matrix of a 2*2,
Step 3, MRT channel matrix HMRTIt is still the matrix of a 2*2, indicates 3 place of activation user 1 and activation user
Grouping between crosstalk.
Step 4, for MRT controller by signaled VCE, the line for currently exiting group_1 is dead pair to 2, so,
Precoding coefficients matrix PDDimension remain unchanged.VCE passes through vectoring algorithm again and obtains precoding coefficients matrix PD, make
HMRTDiagonalization, in this way, just eliminating the crosstalk between group1 and group2 set of vectors:
Above-mentioned steps are exactly MRT precoder and FEXT precoder collaboration treated result.
Scene two enters back into group_2 after dead pair 2 exits group_1.
Step 1, according to embodiment one, FEXT channel matrix first retracts into the matrix of a 2*2, then reverts to a 3*3
Matrix,
Step 2, MRT controller transmits signaling, informs MRT precoder, the dimension of MRT pre-coding matrix is than original 2*
2 matrixes increase by a column, become the matrix of a 2*3,
MRT pre-coding matrix is the matrix of a 2*3,
Step 3, in above formula, line is the column vector for activating user 1 and activating 3 place of user, i.e. above formula to real concern
Column vector 1 and column vector 3.The column vector 2 of above formula is rejected, is MRT channel matrix HMRT, HMRTIt is the matrix of a 2*2.
Step 4, for MRT controller by signaled VCE, the line for being currently entering group_2 is dead pair to 2, so,
Precoding coefficients matrix PDDimension remain unchanged.VCE passes through vectoring algorithm again and obtains pre-coding matrix PD, make HMRTIt is right
Angling, in this way, just eliminating the crosstalk between group1 and group2 set of vectors:
Above formula step is exactly MRT precoder and FEXT precoder collaboration treated result.
Grouping group_1 is exited to 1 from above-mentioned activation wire below to be specifically addressed.
Scene 3, the line where activating user exit group_1 to 1, and dead pair 2 does not enter group_2.
Step 1, it is currently released or the line that goes offline suddenly is to being line where activating user to 1, then MRT controller
It needs to wait certain duration, if still can not synchronize or restore, all emission ports of group_1 are closed, and are cancelled
group_1；The matrix that FEXT channel retracts into a 1*1, H=[H33]。
Step 2, MRT controller transmits signaling, informs MRT precoder, and the line number of MRT pre-coding matrix is reduced to
Group grouping number, the columns of MRT pre-coding matrix are accordingly reduced to the line pair count in group_2, become a 1*1's
Matrix,
PMRT× H=[| H33|2]。
Step 3, HMRTThe matrix of a 1*1 is retracted into, because group_1 does not deposit crosstalk the grouping of activation user 3 again
?.
HMRT=[| H33|2]
Step 4, for MRT controller by signaled VCE, the line for currently exiting group_1 is where activating user to 1
Line pair, so, PDDimension reduce a line one column.VCE passes through vectoring algorithm again and obtains pre-coding matrix PD, make HMRTIt is right
Angling,
PD×HMRT=[| H33|2]。
Above-mentioned steps are exactly MRT precoder and FEXT precoder collaboration treated result.
Scene 4, the line where activating user exit group_1 to 1, and dead pair 2 enters group_2.
Step 1, it is currently released or the line that goes offline suddenly is to being line where activating user to 1, then MRT controller
It needs to wait certain duration, if still can not synchronize or restore, cancels group_1, the DPU for closing activation wire to 1 is sent out
Port is penetrated, but does not close the DPU emission port of dead pair 2,
The matrix that FEXT channel retracts into a 2*2,
Step 2, MRT controller transmits signaling, informs MRT precoder, and the line number of MRT pre-coding matrix is reduced to
Group grouping number, the columns of MRT pre-coding matrix are accordingly reduced to the line pair count in group_2, become a 1*2's
Matrix,
Step 3, in above formula, line is to the signal power for being coupled to activation user 3 of real concern, the i.e. column vector of above formula
2.The column vector 1 of above formula is rejected, is HMRT。HMRTRetract into the matrix of a 1*1, grouping of the group_1 to activation user 3
Between crosstalk do not existed.
HMRT=[| H23|2+|H33|2]
Step 4, for MRT controller by signaled VCE, the line for currently exiting group_1 is where activating user to 1
Line pair, so, PDDimension reduce a line one column.VCE passes through vectoring algorithm again and obtains pre-coding matrix PD, make HMRTIt is right
Angling,
PD×HMRT=[| H23|2+|H33|2]。
Above-mentioned steps are exactly MRT precoder and FEXT precoder collaboration treated result.
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 be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but it is very much
In the case of the former be more preferably embodiment.Based on this understanding, technical solution of the present invention is substantially in other words to existing
The part that technology contributes can be embodied in the form of software products, which is stored in a storage
In medium (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal device (can be mobile phone, calculate
Machine, server or network equipment etc.) execute method described in each embodiment of the present invention.
Embodiment 2
A kind of channel matrix processing unit device is additionally provided in the present embodiment, and the device is for realizing above-described embodiment
And preferred embodiment, the descriptions that have already been made will not be repeated.As used below, term " module " may be implemented to make a reservation for
The combination of the software and/or hardware of function.It is hard although device described in following embodiment is preferably realized with software
The realization of the combination of part or software and hardware is also that may and be contemplated.
Fig. 6 is the structural block diagram one of channel matrix processing unit according to an embodiment of the present invention, as shown in fig. 6, the device
Include:
Receiving module 602, the signaling sent for receiving high specific transmission MRT controller, wherein signaling, which is used to indicate, moves back
Out or enter predetermined packet line pair mark and predetermined packet mark；
Module 604 is obtained, above-mentioned receiving module 602 is connected to, for according to the mark of line pair and the mark of predetermined packet,
Obtain precoding coefficients matrix；
Processing module 606 is connected to above-mentioned acquisition module 604, for passing through precoding coefficients matrix to MRT channel matrix
Carry out diagonalization processing, wherein MRT channel matrix is that MRT precoder is believed according to MRT pre-coding matrix and far-end cross talk FEXT
Road matrix generates and MRT row and column number of channel matrix is activation CPE number of customer terminal equipment.
Optionally, module 604 is obtained, the mark of the mark and predetermined packet according to line pair is also used to, determines precoding system
The dimension of matrix number；By vectorization algorithm and dimension, precoding coefficients matrix is obtained.
Fig. 7 is the structural block diagram two of channel matrix processing unit according to an embodiment of the present invention, as shown in fig. 7, the device
Include:
Receiving module 702, the signaling sent for receiving high specific transmission MRT controller, wherein signaling, which is used to indicate, moves back
Out or enter predetermined packet line pair mark and predetermined packet mark；
Module 704 is obtained, above-mentioned receiving module 702 is connected to, for according to the mark of line pair and the mark of predetermined packet,
Obtain MRT pre-coding matrix；
Generation module 706 is connected to above-mentioned acquisition module 704, for according to MRT pre-coding matrix and far-end cross talk FEXT
Channel matrix generates MRT channel matrix and MRT channel matrix is sent to vector control unit VCE, so that VCE is to MRT channel
Matrix carries out diagonalization processing, wherein MRT row and column number of channel matrix is activation CPE number of customer terminal equipment.
Optionally, generation module 706 are also used to be obtained according to MRT pre-coding matrix and far-end cross talk FEXT channel matrix
Intermediate MRT channel matrix；It by way of being rejected in intermediate MRT channel matrix, is generated by the corresponding column vector of idle CPE
MRT channel matrix.
It should be noted that above-mentioned modules can be realized by software or hardware, for the latter, Ke Yitong
Following manner realization is crossed, but not limited to this: above-mentioned module is respectively positioned in same processor；Alternatively, above-mentioned modules are with any
Combined form is located in different processors.
Embodiment 3
The embodiments of the present invention also provide a kind of storage medium, which includes the program of storage, wherein above-mentioned
Program executes method described in any of the above embodiments when running.
Optionally, in the present embodiment, above-mentioned storage medium can be set to store the journey for executing following steps
Sequence code:
S1 receives the signaling that high specific transmission MRT controller is sent, wherein signaling, which is used to indicate, to be exited or enter in advance
Surely the mark for the line pair being grouped and the mark of predetermined packet；
S2 obtains precoding coefficients matrix according to the mark of the mark of line pair and predetermined packet；
S3 carries out diagonalization processing to MRT channel matrix by precoding coefficients matrix, wherein MRT channel matrix is
Line number that MRT precoder is generated according to MRT pre-coding matrix and far-end cross talk FEXT channel matrix and MRT channel matrix and
Columns is activation CPE number of customer terminal equipment.
Optionally, storage medium is also configured to store the program code for executing following steps: according to the mark of line pair
Know and the mark of predetermined packet, acquisition precoding coefficients matrix include:
S1 determines the dimension of precoding coefficients matrix according to the mark of the mark of line pair and predetermined packet；
S2 obtains precoding coefficients matrix by vectorization algorithm and dimension.
Optionally, storage medium is also configured to store the program code for executing following steps: according to the mark of line pair
Know the mark with predetermined packet, determine that the dimension of precoding coefficients matrix includes at least one of:
S1, signaling be used to indicate exit or into predetermined packet line pair mark and line to for free time CPE it is corresponding
Line pair in the case where, the dimension of precoding coefficients matrix is equal to nothing precoding of the line to exiting or when into predetermined packet
The dimension of coefficient matrix；
S2 is used to indicate the mark for exiting the line pair of predetermined packet and line to for the corresponding line pair of activation CPE in signaling
In the case of, the dimension of precoding coefficients matrix is the precoding coefficients square in no line to exiting or into predetermined packet constantly
A line one is reduced on the basis of the dimension of battle array to arrange.
The embodiments of the present invention also provide a kind of storage medium, which includes the program of storage, wherein above-mentioned
Program executes method described in any of the above embodiments when running.
Optionally, in the present embodiment, above-mentioned storage medium can be set to store the journey for executing following steps
Sequence code:
S1 receives the signaling that high specific transmission MRT controller is sent, wherein signaling, which is used to indicate, to be exited or enter in advance
Surely the mark for the line pair being grouped and the mark of predetermined packet；
S2 obtains MRT pre-coding matrix according to the mark of the mark of line pair and predetermined packet；
S3 generates MRT channel matrix and by MRT channel according to MRT pre-coding matrix and far-end cross talk FEXT channel matrix
Matrix is sent to vector control unit VCE, so that VCE carries out diagonalization processing to MRT channel matrix, wherein MRT channel matrix
Line number and columns be activation CPE number of customer terminal equipment.
Optionally, in the present embodiment, above-mentioned storage medium can be set to store the journey for executing following steps
Sequence code: according to MRT pre-coding matrix and far-end cross talk FEXT channel matrix, generating MRT channel matrix includes:
S1 obtains intermediate MRT channel matrix according to MRT pre-coding matrix and far-end cross talk FEXT channel matrix；
S2, by the way that the corresponding column vector of idle CPE by way of rejecting in intermediate MRT channel matrix, is generated MRT channel
Matrix.
Optionally, in the present embodiment, above-mentioned storage medium can be set to store the journey for executing following steps
Sequence code: according to the mark of the mark of line pair and predetermined packet, obtaining MRT pre-coding matrix includes at least one of:
S1 is used to indicate the mark for exiting the line pair of predetermined packet and line to for the free time corresponding line pair of CPE in signaling
In the case of, MRT pre-coding matrix is in no line to exiting or on the basis of MRT pre-coding matrix when into predetermined packet
Reduce by a column, wherein reduction is classified as the line for exiting predetermined packet to corresponding column；
S2 is used to indicate mark and line into the line pair of predetermined packet to for the free time corresponding line pair of CPE in signaling
In the case of, MRT pre-coding matrix is in no line to exiting or on the basis of MRT pre-coding matrix when into predetermined packet
Increase by a column, wherein increased to be classified as the line into predetermined packet to corresponding column；
S2 is used to indicate the mark for exiting the line pair of predetermined packet and line to for the corresponding line pair of activation CPE in signaling
In the case of, close wired pair of emission port of institute in predetermined packet, MRT pre-coding matrix in no line to exiting or enter
A line is reduced on the basis of MRT pre-coding matrix when predetermined packet and reduces the equal columns of demand pairs in predetermined packet,
In, the corresponding row of behavior predetermined packet of reduction, reduction is classified as predetermined packet middle line to corresponding column.
Optionally, in the present embodiment, above-mentioned storage medium can include but is not limited to: USB flash disk, read-only memory (Read-
Only Memory, referred to as ROM), it is random access memory (Random Access Memory, referred to as RAM), mobile hard
The various media that can store program code such as disk, magnetic or disk.
The embodiments of the present invention also provide a kind of processor, the processor is for running program, wherein program operation
Step in Shi Zhihang any of the above-described method.
Optionally, in the present embodiment, above procedure is for executing following steps:
S1 receives the signaling that high specific transmission MRT controller is sent, wherein signaling, which is used to indicate, to be exited or enter in advance
Surely the mark for the line pair being grouped and the mark of predetermined packet；
S2 obtains precoding coefficients matrix according to the mark of the mark of line pair and predetermined packet；
S3 carries out diagonalization processing to MRT channel matrix by precoding coefficients matrix, wherein MRT channel matrix is
Line number that MRT precoder is generated according to MRT pre-coding matrix and far-end cross talk FEXT channel matrix and MRT channel matrix and
Columns is activation CPE number of customer terminal equipment.
Optionally, in the present embodiment, above procedure is for executing following steps: according to the mark and predetermined packet of line pair
Mark, obtain precoding coefficients matrix include:
S1 determines the dimension of precoding coefficients matrix according to the mark of the mark of line pair and predetermined packet；
S2 obtains precoding coefficients matrix by vectorization algorithm and dimension.
Optionally, in the present embodiment, above procedure is for executing following steps: according to the mark and predetermined packet of line pair
Mark, determine that the dimension of precoding coefficients matrix includes at least one of:
S1, signaling be used to indicate exit or into predetermined packet line pair mark and line to for free time CPE it is corresponding
Line pair in the case where, the dimension of precoding coefficients matrix is equal to nothing precoding of the line to exiting or when into predetermined packet
The dimension of coefficient matrix；
S2 is used to indicate the mark for exiting the line pair of predetermined packet and line to for the corresponding line pair of activation CPE in signaling
In the case of, the dimension of precoding coefficients matrix is the precoding coefficients square in no line to exiting or into predetermined packet constantly
A line one is reduced on the basis of the dimension of battle array to arrange.
Optionally, in the present embodiment, above procedure is for executing following steps:
S1 receives the signaling that high specific transmission MRT controller is sent, wherein signaling, which is used to indicate, to be exited or enter in advance
Surely the mark for the line pair being grouped and the mark of predetermined packet；
S2 obtains MRT pre-coding matrix according to the mark of the mark of line pair and predetermined packet；
S3 generates MRT channel matrix and by MRT channel according to MRT pre-coding matrix and far-end cross talk FEXT channel matrix
Matrix is sent to vector control unit VCE, so that VCE carries out diagonalization processing to MRT channel matrix, wherein MRT channel matrix
Line number and columns be activation CPE number of customer terminal equipment.
Optionally, in the present embodiment, above procedure is for executing following steps: according to MRT pre-coding matrix and distal end
Crosstalk FEXT channel matrix, generating MRT channel matrix includes:
S1 obtains intermediate MRT channel matrix according to MRT pre-coding matrix and far-end cross talk FEXT channel matrix；
S2, by the way that the corresponding column vector of idle CPE by way of rejecting in intermediate MRT channel matrix, is generated MRT channel
Matrix.
Optionally, in the present embodiment, above procedure is for executing following steps: according to the mark and predetermined packet of line pair
Mark, obtain MRT pre-coding matrix include at least one of:
S1 is used to indicate the mark for exiting the line pair of predetermined packet and line to for the free time corresponding line pair of CPE in signaling
In the case of, MRT pre-coding matrix is in no line to exiting or on the basis of MRT pre-coding matrix when into predetermined packet
Reduce by a column, wherein reduction is classified as the line for exiting predetermined packet to corresponding column；
S2 is used to indicate mark and line into the line pair of predetermined packet to for the free time corresponding line pair of CPE in signaling
In the case of, MRT pre-coding matrix is in no line to exiting or on the basis of MRT pre-coding matrix when into predetermined packet
Increase by a column, wherein increased to be classified as the line into predetermined packet to corresponding column；
S2 is used to indicate the mark for exiting the line pair of predetermined packet and line to for the corresponding line pair of activation CPE in signaling
In the case of, close wired pair of emission port of institute in predetermined packet, MRT pre-coding matrix in no line to exiting or enter
A line is reduced on the basis of MRT pre-coding matrix when predetermined packet and reduces the equal columns of demand pairs in predetermined packet,
In, the corresponding row of behavior predetermined packet of reduction, reduction is classified as predetermined packet middle line to corresponding column.
Optionally, the specific example in the present embodiment can be with reference to described in above-described embodiment and optional embodiment
Example, details are not described herein for the present embodiment.
Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
It is performed by computing device in the storage device, and in some cases, it can be to be different from shown in sequence execution herein
Out or description the step of, perhaps they are fabricated to each integrated circuit modules or by them multiple modules or
Step is fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific hardware and softwares to combine.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.It is all within principle of the invention, it is made it is any modification, etc.
With replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (12)
1. a kind of channel matrix processing method characterized by comprising
Receive the signaling that high specific transmission MRT controller is sent, wherein the signaling, which is used to indicate, exits or enter predetermined point
The mark of the line pair of group and the mark of the predetermined packet；
According to the mark of the line pair and the mark of the predetermined packet, precoding coefficients matrix is obtained；
Diagonalization processing is carried out to MRT channel matrix by the precoding coefficients matrix, wherein the MRT channel matrix is
The MRT channel matrix that MRT precoder is generated according to the MRT pre-coding matrix and far-end cross talk FEXT channel matrix and described
Line number and columns be activation CPE number of customer terminal equipment.
2. the method according to claim 1, wherein according to the mark of the line pair and the mark of the predetermined packet
Know, obtaining the precoding coefficients matrix includes:
According to the mark of the line pair and the mark of the predetermined packet, the dimension of precoding coefficients matrix is determined；
By vectorization algorithm and the dimension, the precoding coefficients matrix is obtained.
3. according to the method described in claim 2, it is characterized in that, according to the mark of the line pair and the mark of the predetermined packet
Know, determine that the dimension of precoding coefficients matrix includes at least one of:
The signaling be used to indicate exit or into predetermined packet line pair mark and the line to for free time CPE it is corresponding
Line pair in the case where, the dimension of the precoding coefficients matrix be equal to nothing line to exit or enter the predetermined packet when
Precoding coefficients matrix dimension；
It is used to indicate the mark for the line pair for exiting predetermined packet in the signaling and the line is to activate the corresponding line pair of CPE
In the case of, the dimension of the precoding coefficients matrix is in no line to exiting or the prelisting constantly into the predetermined packet
A line one is reduced on the basis of the dimension of code coefficient matrix to arrange.
4. a kind of channel matrix processing method characterized by comprising
Receive the signaling that high specific transmission MRT controller is sent, wherein the signaling, which is used to indicate, exits or enter predetermined point
The mark of the line pair of group and the mark of the predetermined packet；
According to the mark of the line pair and the mark of the predetermined packet, MRT pre-coding matrix is obtained；
According to the MRT pre-coding matrix and far-end cross talk FEXT channel matrix, generates MRT channel matrix and believe the MRT
Road matrix is sent to vector control unit VCE, so that the VCE carries out diagonalization processing to the MRT channel matrix, wherein
The MRT row and column number of channel matrix is activation CPE number of customer terminal equipment.
5. according to the method described in claim 4, it is characterized in that, according to the MRT pre-coding matrix and far-end cross talk FEXT
Channel matrix, generating the MRT channel matrix includes:
According to the MRT pre-coding matrix and far-end cross talk FEXT channel matrix, intermediate MRT channel matrix is obtained；
By the way that the corresponding column vector of idle CPE by way of rejecting in the intermediate MRT channel matrix, to be generated to the MRT letter
Road matrix.
6. according to the method described in claim 4, it is characterized in that, according to the mark of the line pair and the mark of the predetermined packet
Know, obtaining MRT pre-coding matrix includes at least one of:
The mark for the line pair for exiting predetermined packet and the line are used to indicate in the signaling to for the free time corresponding line pair of CPE
In the case of, the MRT pre-coding matrix is in no line to the MRT pre-coding matrix exited or when into the predetermined packet
On the basis of reduce one column, wherein the reduction is classified as the line for exiting the predetermined packet to corresponding column；
The signaling be used to indicate into the line pair of predetermined packet mark and the line to for the free time corresponding line pair of CPE
In the case of, the MRT pre-coding matrix is in no line to the MRT pre-coding matrix exited or when into the predetermined packet
On the basis of increase by a column, wherein the increased line being classified as into the predetermined packet is to corresponding column；
It is used to indicate the mark for the line pair for exiting predetermined packet in the signaling and the line is to activate the corresponding line pair of CPE
In the case of, close in the predetermined packet wired pair of emission port, the MRT pre-coding matrix be in no line to exiting
Or a line is reduced on the basis of MRT pre-coding matrix when entering the predetermined packet and reduces the predetermined packet middle line pair
The equal columns of number, wherein the corresponding row of predetermined packet described in the behavior of the reduction, the reduction are classified as described predetermined point
Group middle line is to corresponding column.
7. a kind of channel matrix processing unit characterized by comprising
Receiving module, the signaling sent for receiving high specific transmission MRT controller, wherein the signaling, which is used to indicate, to be exited
Or enter the mark of the line pair of predetermined packet and the mark of the predetermined packet；
Module is obtained, for obtaining precoding coefficients matrix according to the mark of the line pair and the mark of the predetermined packet；
Processing module, for carrying out diagonalization processing to MRT channel matrix by the precoding coefficients matrix, wherein described
MRT channel matrix is MRT precoder according to the MRT pre-coding matrix and far-end cross talk FEXT channel matrix generates and institute
Stating MRT row and column number of channel matrix is activation CPE number of customer terminal equipment.
8. device according to claim 7, which is characterized in that the acquisition module is also used to the mark according to the line pair
Know the mark with the predetermined packet, determines the dimension of precoding coefficients matrix；By vectorization algorithm and the dimension, obtain
The precoding coefficients matrix.
9. a kind of channel matrix processing unit characterized by comprising
Receiving module, the signaling sent for receiving high specific transmission MRT controller, wherein the signaling, which is used to indicate, to be exited
Or enter the mark of the line pair of predetermined packet and the mark of the predetermined packet；
Module is obtained, for obtaining MRT pre-coding matrix according to the mark of the line pair and the mark of the predetermined packet；
Generation module, for generating MRT channel matrix according to the MRT pre-coding matrix and far-end cross talk FEXT channel matrix
And the MRT channel matrix is sent to vector control unit VCE, so that the VCE carries out diagonally the MRT channel matrix
Change processing, wherein the MRT row and column number of channel matrix is activation CPE number of customer terminal equipment.
10. device according to claim 9, which is characterized in that the generation module is also used to be prelisted according to the MRT
Code matrix and far-end cross talk FEXT channel matrix obtain intermediate MRT channel matrix；By by the corresponding column vector of idle CPE from
The mode rejected in the intermediate MRT channel matrix, generates the MRT channel matrix.
11. a kind of storage medium, which is characterized in that the storage medium includes the program of storage, wherein when described program is run
Method described in any one of perform claim requirement 1 to 6.
12. a kind of processor, which is characterized in that the processor is for running program, wherein right of execution when described program is run
Benefit require any one of 1 to 6 described in method.
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| CN201710632189.XA CN109309639A (en) | 2017-07-28 | 2017-07-28 | Channel matrix processing method and processing device |
| PCT/CN2018/097062 WO2019020055A1 (en) | 2017-07-28 | 2018-07-25 | Method and device for processing channel matrix |
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| WO2008024967A2 (en) * | 2006-08-25 | 2008-02-28 | Conexant Systems, Inc. | Systems and methods for mimo precoding in an xdsl system |
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| CN102422588A (en) * | 2009-05-02 | 2012-04-18 | 阿尔卡特朗讯 | Validated signal resumption in dsl systems |
| WO2014054043A1 (en) * | 2012-10-03 | 2014-04-10 | Sckipio Technologies S.I Ltd | Hybrid precoder |
| CN104168659A (en) * | 2014-08-19 | 2014-11-26 | 东南大学 | Multi-cell MIMO system user scheduling method under MRT pre-coding strategy |
| CN106559810A (en) * | 2015-09-28 | 2017-04-05 | 联芯科技有限公司 | A kind of signal processing method and system of heterogeneous network multi-cell system |
-
2017
- 2017-07-28 CN CN201710632189.XA patent/CN109309639A/en not_active Withdrawn
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|---|---|---|---|---|
| WO2008024967A2 (en) * | 2006-08-25 | 2008-02-28 | Conexant Systems, Inc. | Systems and methods for mimo precoding in an xdsl system |
| CN101453245A (en) * | 2007-11-29 | 2009-06-10 | 华为技术有限公司 | Method, equipment and system for eliminating DSL crosstalk |
| CN102422588A (en) * | 2009-05-02 | 2012-04-18 | 阿尔卡特朗讯 | Validated signal resumption in dsl systems |
| WO2014054043A1 (en) * | 2012-10-03 | 2014-04-10 | Sckipio Technologies S.I Ltd | Hybrid precoder |
| CN104168659A (en) * | 2014-08-19 | 2014-11-26 | 东南大学 | Multi-cell MIMO system user scheduling method under MRT pre-coding strategy |
| CN106559810A (en) * | 2015-09-28 | 2017-04-05 | 联芯科技有限公司 | A kind of signal processing method and system of heterogeneous network multi-cell system |
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