Table 2 EVM and ACLR performances of an LUT predistorter with amplitude versus power indexing; the input is WCDMA.
DPD Status | Indexing Scheme | EVM (dB) | ACLR1 (dBc/Hz) | ACLR2 (dBc/Hz) |
|---|---|---|---|---|
DPD OFF | — |
|
|
|
DPD ON | Power |
|
|
|
DPD ON | Amplitude approx |
|
|
|
DPD ON | Amplitude ideal |
|
|
|
21.71
32.18
49.81
44.71
53.60
53.86
61.57
67.86
69.95
63.60
68.99
71.68