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

Claim 4:
5. The method of claim 3, wherein the first codebook is determined by one of the following tables,, TABLE

TPMI
W

index
(ordered from left to right to increasing order of TPMI index)

0-7

 
  
   1
   2
  
  [
  
   
    
     1
    
   
   
    
     0
    
   
   
    
     0
    
   
   
    
     0
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     0
    
   
   
    
     1
    
   
   
    
     0
    
   
   
    
     0
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     0
    
   
   
    
     0
    
   
   
    
     1
    
   
   
    
     0
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     0
    
   
   
    
     0
    
   
   
    
     0
    
   
   
    
     1
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     1
    
   
   
    
     0
    
   
   
    
     1
    
   
   
    
     0
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     1
    
   
   
    
     0
    
   
   
    
     
      -
      1
     
    
   
   
    
     0
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     1
    
   
   
    
     0
    
   
   
    
     j
    
   
   
    
     0
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     1
    
   
   
    
     0
    
   
   
    
     
      -
      j
     
    
   
   
    
     0
    
   
  
  ]
 

 

 8-15

 
  
   1
   2
  
  [
  
   
    
     0
    
   
   
    
     1
    
   
   
    
     0
    
   
   
    
     1
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     0
    
   
   
    
     1
    
   
   
    
     0
    
   
   
    
     
      -
      1
     
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     0
    
   
   
    
     1
    
   
   
    
     0
    
   
   
    
     j
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     0
    
   
   
    
     1
    
   
   
    
     0
    
   
   
    
     
      -
      j
     
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     1
    
   
   
    
     1
    
   
   
    
     1
    
   
   
    
     
      -
      1
     
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     1
    
   
   
    
     1
    
   
   
    
     j
    
   
   
    
     j
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     1
    
   
   
    
     1
    
   
   
    
     
      -
      1
     
    
   
   
    
     1
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     1
    
   
   
    
     1
    
   
   
    
     
      -
      j
     
    
   
   
    
     
      -
      j
     
    
   
  
  ]
 

 

16-23

 
  
   1
   2
  
  [
  
   
    
     1
    
   
   
    
     j
    
   
   
    
     1
    
   
   
    
     j
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     1
    
   
   
    
     j
    
   
   
    
     j
    
   
   
    
     1
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     1
    
   
   
    
     j
    
   
   
    
     
      -
      1
     
    
   
   
    
     
      -
      j
     
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     1
    
   
   
    
     j
    
   
   
    
     
      -
      j
     
    
   
   
    
     
      -
      1
     
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     1
    
   
   
    
     
      -
      1
     
    
   
   
    
     1
    
   
   
    
     1
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     1
    
   
   
    
     
      -
      1
     
    
   
   
    
     j
    
   
   
    
     
      -
      j
     
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     1
    
   
   
    
     
      -
      1
     
    
   
   
    
     
      -
      1
     
    
   
   
    
     
      -
      1
     
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     1
    
   
   
    
     
      -
      1
     
    
   
   
    
     
      -
      j
     
    
   
   
    
     j
    
   
  
  ]
 

 

24-27

 
  
   1
   2
  
  [
  
   
    
     1
    
   
   
    
     
      -
      j
     
    
   
   
    
     1
    
   
   
    
     
      -
      j
     
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     1
    
   
   
    
     
      -
      j
     
    
   
   
    
     j
    
   
   
    
     
      -
      1
     
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     1
    
   
   
    
     
      -
      j
     
    
   
   
    
     
      -
      1
     
    
   
   
    
     j
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     1
    
   
   
    
     
      -
      j
     
    
   
   
    
     
      -
      j
     
    
   
   
    
     1
    
   
  
  ]
 

—
—
—
—, TABLE

TPMI
W

index
(ordered from left to right in increasing order of TPMI index)

0-7

 
  
   1
   2
  
  [
  
   
    
     1
    
   
   
    
     0
    
   
   
    
     0
    
   
   
    
     0
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     0
    
   
   
    
     1
    
   
   
    
     0
    
   
   
    
     0
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     0
    
   
   
    
     0
    
   
   
    
     1
    
   
   
    
     0
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     0
    
   
   
    
     0
    
   
   
    
     0
    
   
   
    
     1
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     1
    
   
   
    
     0
    
   
   
    
     1
    
   
   
    
     0
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     1
    
   
   
    
     0
    
   
   
    
     
      -
      1
     
    
   
   
    
     0
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     1
    
   
   
    
     0
    
   
   
    
     j
    
   
   
    
     0
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     1
    
   
   
    
     0
    
   
   
    
     
      -
      j
     
    
   
   
    
     0
    
   
  
  ]
 

 

 8-15

 
  
   1
   2
  
  [
  
   
    
     0
    
   
   
    
     1
    
   
   
    
     0
    
   
   
    
     1
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     0
    
   
   
    
     1
    
   
   
    
     0
    
   
   
    
     
      -
      1
     
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     0
    
   
   
    
     1
    
   
   
    
     0
    
   
   
    
     j
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     0
    
   
   
    
     1
    
   
   
    
     0
    
   
   
    
     
      -
      j
     
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     1
    
   
   
    
     1
    
   
   
    
     1
    
   
   
    
     1
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     1
    
   
   
    
     1
    
   
   
    
     j
    
   
   
    
     j
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     1
    
   
   
    
     1
    
   
   
    
     
      -
      1
     
    
   
   
    
     
      -
      1
     
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     1
    
   
   
    
     1
    
   
   
    
     
      -
      j
     
    
   
   
    
     
      -
      j
     
    
   
  
  ]
 

 

16-23

 
  
   1
   2
  
  [
  
   
    
     1
    
   
   
    
     j
    
   
   
    
     1
    
   
   
    
     j
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     1
    
   
   
    
     j
    
   
   
    
     j
    
   
   
    
     
      -
      1
     
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     1
    
   
   
    
     j
    
   
   
    
     
      -
      1
     
    
   
   
    
     
      -
      j
     
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     1
    
   
   
    
     j
    
   
   
    
     
      -
      j
     
    
   
   
    
     1
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     1
    
   
   
    
     
      -
      1
     
    
   
   
    
     1
    
   
   
    
     
      -
      1
     
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     1
    
   
   
    
     
      -
      1
     
    
   
   
    
     j
    
   
   
    
     
      -
      j
     
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     1
    
   
   
    
     
      -
      1
     
    
   
   
    
     
      -
      1
     
    
   
   
    
     1
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     1
    
   
   
    
     
      -
      1
     
    
   
   
    
     
      -
      j
     
    
   
   
    
     j
    
   
  
  ]
 

 

24-27

 
  
   1
   2
  
  [
  
   
    
     1
    
   
   
    
     
      -
      j
     
    
   
   
    
     1
    
   
   
    
     
      -
      j
     
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     1
    
   
   
    
     
      -
      j
     
    
   
   
    
     j
    
   
   
    
     1
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     1
    
   
   
    
     
      -
      j
     
    
   
   
    
     
      -
      1
     
    
   
   
    
     j
    
   
  
  ]
 

 
  
   1
   2
  
  [
  
   
    
     1
    
   
   
    
     
      -
      j
     
    
   
   
    
     
      -
      j
     
    
   
   
    
     
      -
      1
     
    
   
  
  ]
 

—
—
—
—

where, the TPMI index is indexed in ascending power from the left to the right in the tables for the precoding matrixes included in the first codebook.