Based on up launching technique and the equipment of code book
Based on up launching technique and the equipment of code book
 CN 102,239,648 B
 Filed: 04/27/2009
 Issued: 12/02/2015
 Est. Priority Date: 04/27/2009
 Status: Active Grant
First Claim
Patent Images
1. , based on a up launching technique for code book, it is characterized in that, comprising:
 Receive the sum of ranks preencoding codeword of the modulation system from network equipment transmission, transfer of data, wherein, described preencoding codeword is the code book C stored from the described network equipment _{opt}in a matrix selecting arbitrarily, wherein said code book C _{opt}element comprise one of following or its combination in any;
$\frac{1}{\sqrt{2}}\left[\begin{array}{ccc}1& 0& 1/\sqrt{2}\\ \mathrm{\α0& \mathrm{alpha;/\sqrt{2}0& 1& \mathrm{gamma;/\sqrt{2}0& \mathrm{beta;\mathrm{beta;gamma;/\sqrt{2},\frac{1}{\sqrt{2}}\left[\begin{array}{ccc}1& 0& 1/\sqrt{2}\\ 0& 1& \mathrm{gamma;/\sqrt{2}\mathrm{alpha;0& \mathrm{alpha;/\sqrt{2}0& \mathrm{beta;\mathrm{beta;gamma;/\sqrt{2}\frac{1}{\sqrt{2}}\left[\begin{array}{ccc}1& 0& 1/\sqrt{2}\\ 0& 1& \mathrm{gamma;/\sqrt{2}0& \mathrm{beta;\mathrm{beta;gamma;/\sqrt{2}\mathrm{alpha;0& \mathrm{alpha;/\sqrt{2}}}}}}\end{array}\right]}}}}}\end{array}\right]}}}}}\end{array}\right]$Wherein,  α
=1,  β
=1,  γ
=1;
According to the sum of ranks preencoding codeword of described modulation system, transfer of data, and the local code book C preserved _{opt}determine up emission amplifier backoff amount, and launch.
Chinese PRB Reexamination
Abstract
The embodiment of the present invention provides a kind of code book, method for generating codebooks, based on the up launching technique of code book and equipment, relates to the communications field, can reduce the power loss of ascending power amplifier.Solution is: propose a kind of new code book, and the element of described code book comprises one of following or its combination in any: <maths num=" 0001 " > </maths> wherein,  α =1,  β =1,  γ =1.The embodiment of the present invention is used for up precoding.
6 Claims

1. , based on a up launching technique for code book, it is characterized in that, comprising:

Receive the sum of ranks preencoding codeword of the modulation system from network equipment transmission, transfer of data, wherein, described preencoding codeword is the code book C stored from the described network equipment _{opt}in a matrix selecting arbitrarily, wherein said code book C _{opt}element comprise one of following or its combination in any;
$\frac{1}{\sqrt{2}}\left[\begin{array}{ccc}1& 0& 1/\sqrt{2}\\ \mathrm{\α0& \mathrm{alpha;/\sqrt{2}0& 1& \mathrm{gamma;/\sqrt{2}0& \mathrm{beta;\mathrm{beta;gamma;/\sqrt{2},\frac{1}{\sqrt{2}}\left[\begin{array}{ccc}1& 0& 1/\sqrt{2}\\ 0& 1& \mathrm{gamma;/\sqrt{2}\mathrm{alpha;0& \mathrm{alpha;/\sqrt{2}0& \mathrm{beta;\mathrm{beta;gamma;/\sqrt{2}\frac{1}{\sqrt{2}}\left[\begin{array}{ccc}1& 0& 1/\sqrt{2}\\ 0& 1& \mathrm{gamma;/\sqrt{2}0& \mathrm{beta;\mathrm{beta;gamma;/\sqrt{2}\mathrm{alpha;0& \mathrm{alpha;/\sqrt{2}}}}}}\end{array}\right]}}}}}\end{array}\right]}}}}}\end{array}\right]$ Wherein,  α
=1,  β
=1,  γ
=1;
According to the sum of ranks preencoding codeword of described modulation system, transfer of data, and the local code book C preserved _{opt}determine up emission amplifier backoff amount, and launch.


2. the up launching technique based on code book according to claim 1, is characterized in that, described code book C _{opt}constructive process comprise:

According to described code book C _{opt}one of three kinds of elements or combination in any, determine codebook size N and assemble of symbol Ψ
, wherein, described α
, beta, gamma ∈
Ψ
, the element number that Ψ
contains is M;
Traversal plant code book, to each code book C _{x}, calculate minimum range D _{x}, described in ${D}_{x}=\underset{i\≠j\sqrt{\mathrm{Sigma;diag({{A}_{i,j}}^{prime;times;{A}_{i,j}),}}}}{\mathrm{min}}$ Wherein, described in${A}_{i,j}=\left({C}_{x}^{i}\right){\left({C}_{x}^{i}\right)}^{\′\left({C}_{x}^{j}\right)\left({C}_{x}^{i}\right),}$ represent code book C _{x}in ith matrix;
Select described minimum range D _{x}maximum code book C _{opt}.


3. , based on a up launching technique for code book, it is characterized in that, comprising:

The sum of ranks preencoding codeword of selecting modulation mode, transfer of data, wherein, described preencoding codeword is the code book C stored from this locality _{opt}in a matrix selecting arbitrarily, wherein said code book C _{opt}element comprise one of following or its combination in any;
$\frac{1}{\sqrt{2}}\left[\begin{array}{ccc}1& 0& 1/\sqrt{2}\\ \mathrm{\α0& \mathrm{alpha;/\sqrt{2}0& 1& \mathrm{gamma;/\sqrt{2}0& \mathrm{beta;\mathrm{beta;gamma;/\sqrt{2},\frac{1}{\sqrt{2}}\left[\begin{array}{ccc}1& 0& 1/\sqrt{2}\\ 0& 1& \mathrm{gamma;/\sqrt{2}\mathrm{alpha;0& \mathrm{alpha;/\sqrt{2}0& \mathrm{beta;\mathrm{beta;gamma;/\sqrt{2}\frac{1}{\sqrt{2}}\left[\begin{array}{ccc}1& 0& 1/\sqrt{2}\\ 0& 1& \mathrm{gamma;/\sqrt{2}0& \mathrm{beta;\mathrm{beta;gamma;/\sqrt{2}\mathrm{alpha;0& \mathrm{alpha;/\sqrt{2}}}}}}\end{array}\right]}}}}}\end{array}\right]}}}}}\end{array}\right]$ Wherein,  α
=1,  β
=1,  γ
=1;
The sum of ranks preencoding codeword of described modulation system, transfer of data is sent to subscriber equipment.


4. the up launching technique based on code book according to claim 3, is characterized in that, described code book C _{opt}constructive process comprise:

According to described code book C _{opt}one of three kinds of elements or combination in any, determine codebook size N and assemble of symbol Ψ
, wherein, described α
, beta, gamma ∈
Ψ
, the element number that Ψ
contains is M;
Traversal plant code book, to each code book C _{x}, calculate minimum range D _{x}, described in ${D}_{x}=\underset{i\≠j\sqrt{\mathrm{Sigma;diag({{A}_{i,j}}^{prime;times;{A}_{i,j}),}}}}{\mathrm{min}}$ Wherein, described in${A}_{i,j}=\left({C}_{x}^{i}\right){\left({C}_{x}^{i}\right)}^{\′\left({C}_{x}^{j}\right)\left({C}_{x}^{i}\right),}$ represent code book C _{x}in ith matrix;
Select described minimum range D _{x}maximum code book C _{opt}.


5. a subscriber equipment, is characterized in that, comprising:

Receiving element, for receive from the network equipment send modulation system, transfer of data sum of ranks preencoding codeword, wherein, described preencoding codeword is the code book C stored from the described network equipment _{opt}in a matrix selecting arbitrarily, described code book C _{opt}element comprise;
$\frac{1}{\sqrt{2}}\left[\begin{array}{ccc}1& 0& 1/\sqrt{2}\\ \mathrm{\α0& \mathrm{alpha;/\sqrt{2}0& 1& \mathrm{gamma;/\sqrt{2}0& \mathrm{beta;\mathrm{beta;gamma;/\sqrt{2},\frac{1}{\sqrt{2}}\left[\begin{array}{ccc}1& 0& 1/\sqrt{2}\\ 0& 1& \mathrm{gamma;/\sqrt{2}\mathrm{alpha;0& \mathrm{alpha;/\sqrt{2}0& \mathrm{beta;\mathrm{beta;gamma;/\sqrt{2}\frac{1}{\sqrt{2}}\left[\begin{array}{ccc}1& 0& 1/\sqrt{2}\\ 0& 1& \mathrm{gamma;/\sqrt{2}0& \mathrm{beta;\mathrm{beta;gamma;/\sqrt{2}\mathrm{alpha;0& \mathrm{alpha;/\sqrt{2}}}}}}\end{array}\right]}}}}}\end{array}\right]}}}}}\end{array}\right]$ In any one or any number of, wherein,  α
=1,  β
=1,  γ
=1;
Memory cell, for storing code book C _{opt};
Determining unit, for the sum of ranks preencoding codeword according to modulation system, transfer of data, and the described code book C of described cell stores _{opt}, determine up emission amplifier backoff amount;
Transmitter unit, for launching according to described up emission amplifier backoff amount.


6. a network equipment, is characterized in that, comprises;

Selected cell, for the sum of ranks preencoding codeword of selecting modulation mode, transfer of data, wherein, described preencoding codeword is the code book C from described cell stores _{opt}in a matrix selecting arbitrarily, described code book C _{opt}element comprise;
$\frac{1}{\sqrt{2}}\left[\begin{array}{ccc}1& 0& 1/\sqrt{2}\\ \mathrm{\α0& \mathrm{alpha;/\sqrt{2}0& 1& \mathrm{gamma;/\sqrt{2}0& \mathrm{beta;\mathrm{beta;gamma;/\sqrt{2},\frac{1}{\sqrt{2}}\left[\begin{array}{ccc}1& 0& 1/\sqrt{2}\\ 0& 1& \mathrm{gamma;/\sqrt{2}\mathrm{alpha;0& \mathrm{alpha;/\sqrt{2}0& \mathrm{beta;\mathrm{beta;gamma;/\sqrt{2}\frac{1}{\sqrt{2}}\left[\begin{array}{ccc}1& 0& 1/\sqrt{2}\\ 0& 1& \mathrm{gamma;/\sqrt{2}0& \mathrm{beta;\mathrm{beta;gamma;/\sqrt{2}\mathrm{alpha;0& \mathrm{alpha;/\sqrt{2}}}}}}\end{array}\right]}}}}}\end{array}\right]}}}}}\end{array}\right]$ In any one or any number of, wherein,  α
=1,  β
=1,  γ
=1;
Memory cell, for storing code book C _{opt};
Transmitting element, for sending the sum of ranks preencoding codeword of described modulation system, transfer of data to subscriber equipment.

Specification(s)