Patent ID: 11968007
Assignee: LG ELECTRONICS INC.
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 7:
8. The method of claim 7, wherein the third codebook is determined by the following table,, TABLE

TPMI
W (ordered from left to right 

index
in increasing order of TPMI index)

0-3

 
  
   1
   2
  
  [
  
   
    
     1
    
    
     0
    
    
     0
    
   
   
    
     0
    
    
     1
    
    
     0
    
   
   
    
     0
    
    
     0
    
    
     1
    
   
   
    
     0
    
    
     0
    
    
     0
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     1
    
    
     0
    
    
     0
    
   
   
    
     0
    
    
     1
    
    
     0
    
   
   
    
     1
    
    
     0
    
    
     0
    
   
   
    
     0
    
    
     0
    
    
     1
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     1
    
    
     0
    
    
     0
    
   
   
    
     0
    
    
     1
    
    
     0
    
   
   
    
     
      -
      1
     
    
    
     0
    
    
     0
    
   
   
    
     0
    
    
     0
    
    
     1
    
   
  
  ]
 

 
  
   1
   
    2
    ⁢
    
     3
    
   
  
  [
  
   
    
     1
    
    
     1
    
    
     1
    
   
   
    
     1
    
    
     
      -
      1
     
    
    
     1
    
   
   
    
     1
    
    
     1
    
    
     
      -
      1
     
    
   
   
    
     1
    
    
     
      -
      1
     
    
    
     
      -
      1
     
    
   
  
  ]
 

 

4-6

 
  
   1
   
    2
    ⁢
    
     3
    
   
  
  [
  
   
    
     1
    
    
     1
    
    
     1
    
   
   
    
     1
    
    
     
      -
      1
     
    
    
     1
    
   
   
    
     j
    
    
     j
    
    
     
      -
      j
     
    
   
   
    
     j
    
    
     
      -
      j
     
    
    
     
      -
      j
     
    
   
  
  ]
 

 
  
   1
   
    2
    ⁢
    
     3
    
   
  
  [
  
   
    
     1
    
    
     1
    
    
     1
    
   
   
    
     
      -
      1
     
    
    
     1
    
    
     
      -
      1
     
    
   
   
    
     1
    
    
     1
    
    
     
      -
      1
     
    
   
   
    
     
      -
      1
     
    
    
     1
    
    
     1
    
   
  
  ]
 

 
  
   1
   
    2
    ⁢
    
     3
    
   
  
  [
  
   
    
     1
    
    
     1
    
    
     1
    
   
   
    
     
      -
      1
     
    
    
     1
    
    
     
      -
      1
     
    
   
   
    
     j
    
    
     j
    
    
     
      -
      j
     
    
   
   
    
     
      -
      j
     
    
    
     j
    
    
     j
    
   
  
  ]
 

—

the fourth codebook is determined by the following table,, TABLE

TPMI
W (ordered from left to right in 

index
increasing order of TPMI index)

0-3

 
  
   1
   2
  
  [
  
   
    
     1
    
    
     0
    
    
     0
    
    
     0
    
   
   
    
     0
    
    
     1
    
    
     0
    
    
     0
    
   
   
    
     0
    
    
     0
    
    
     1
    
    
     0
    
   
   
    
     0
    
    
     0
    
    
     0
    
    
     1
    
   
  
  ]
 

 
  
   1
   
    2
    ⁢
    
     2
    
   
  
  [
  
   
    
     1
    
    
     1
    
    
     0
    
    
     0
    
   
   
    
     0
    
    
     0
    
    
     1
    
    
     1
    
   
   
    
     1
    
    
     
      -
      1
     
    
    
     0
    
    
     0
    
   
   
    
     0
    
    
     0
    
    
     1
    
    
     
      -
      1
     
    
   
  
  ]
 

 
  
   1
   
    2
    ⁢
    
     2
    
   
  
  [
  
   
    
     1
    
    
     1
    
    
     0
    
    
     0
    
   
   
    
     0
    
    
     0
    
    
     1
    
    
     1
    
   
   
    
     j
    
    
     
      -
      j
     
    
    
     0
    
    
     0
    
   
   
    
     0
    
    
     0
    
    
     j
    
    
     
      -
      j
     
    
   
  
  ]
 

 
  
   1
   4
  
  [
  
   
    
     1
    
    
     1
    
    
     1
    
    
     1
    
   
   
    
     1
    
    
     
      -
      1
     
    
    
     1
    
    
     
      -
      1
     
    
   
   
    
     1
    
    
     1
    
    
     
      -
      1
     
    
    
     
      -
      1
     
    
   
   
    
     1
    
    
     
      -
      1
     
    
    
     
      -
      1
     
    
    
     1
    
   
  
  ]
 

 

4

 
  
   1
   4
  
  [
  
   
    
     1
    
    
     1
    
    
     1
    
    
     1
    
   
   
    
     1
    
    
     
      -
      1
     
    
    
     
      -
      1
     
    
    
     
      -
      1
     
    
   
   
    
     j
    
    
     j
    
    
     
      -
      j
     
    
    
     
      -
      j
     
    
   
   
    
     j
    
    
     
      -
      j
     
    
    
     
      -
      j
     
    
    
     j
    
   
  
  ]
 

—
—
—

where, the TPMI index is indexed in ascending power from the left to the right in the tables for the precoding matrixes included in each of the third codebook and the fourth codebook.