The table below lists the supported DCI formats for different MIMO diversity methods and resource allocation types. Refer to 3GPP TS 36.213 for detailed descriptions of these formats.
|
Diversity Method |
Precoding Method |
Number of Layers |
Number of Codewords |
Resource Allocation Type |
Virtual Resource Blocks Type |
Supported DCI Format |
|---|---|---|---|---|---|---|
|
No Diversity
|
|
|
|
Type 0/1 |
|
Format 1/2B |
|
Type 2
|
Localized |
Format 1A |
||||
|
Distributed |
Format 1A/1C |
|||||
|
Transmit Diversity
|
|
Two Layers
|
One Codeword
|
Type 0/1 |
|
Format 1/2/2A |
|
Type 2
|
Localized |
Format 1A |
||||
|
Distributed |
Format 1A/1C |
|||||
|
Four Layers
|
One Codeword
|
Type 0/1 |
|
Format 1/2/2A |
||
|
Type 2
|
Localized |
Format 1A |
||||
|
Distributed |
Format 1/A1/C |
|||||
|
Spatial Multiplexing
|
Without CDD
|
One Layer
|
One Codeword
|
Type 0/1 |
|
Format 2/2B |
|
Type 2
|
Localized |
Format 1B/1D |
||||
|
Distributed |
Format 1B/1D |
|||||
|
Two Layers
|
One Codeword |
Type 0/1 |
|
Format 2 |
||
|
Two Codewords |
Type 0/1 |
|
Format 2/2B |
|||
|
Three Layers |
Two Codewords |
Type 0/1 |
|
Format 2 |
||
|
Four Layers |
Two Codewords |
Type 0/1 |
|
Format 2 |
||
|
Large CDD
|
Two Layers
|
One Codeword |
Type 0/1 |
|
Format 2A |
|
|
Two Codewords |
Type 0/1 |
|
Format 2A/2B |
|||
|
Three Layers
|
One Codeword |
Type 0/1 |
|
Format 2A |
||
|
Two Codewords |
Type 0/1 |
|
Format 2A |
|||
|
Four Layers
|
One Codeword |
Type 0/1 |
|
Format 2A |
||
|
Two Codewords |
Type 0/1 |
|
Format 2A |