发明名称 |
System and method for digital memorized predistortion for wireless communication |
摘要 |
A power amplifier system includes an input operable to receive an original value that reflects information to be communicated and an address data former operable to generate a digital lookup table key. The power amplifier system also includes a predistortion lookup table coupled to the address data former and a power amplifier having an output and coupled to the predistortion lookup table. The power amplifier system further includes a feedback loop providing a signal associated with the output of the power amplifier to the predistortion lookup table and a switch disposed in the feedback loop and operable to disconnect the predistortion lookup table from the output of the power amplifier. |
申请公布号 |
US9374196(B2) |
申请公布日期 |
2016.06.21 |
申请号 |
US201514684678 |
申请日期 |
2015.04.13 |
申请人 |
Dali Systems Co. Ltd. |
发明人 |
Yang Dali;Yang Jia |
分类号 |
H04B1/10;H04L1/00;H04L27/36;H03F3/189;H03F1/32;H03F3/24;H04W52/52;H04B1/04;H03F3/195 |
主分类号 |
H04B1/10 |
代理机构 |
Kilpatrick Townsend & Stockton LLP |
代理人 |
Kilpatrick Townsend & Stockton LLP |
主权项 |
1. A power amplifier system comprising:
an input operable to receive a signal that reflects information to be communicated; an address data former operable to generate a digital lookup table key; a predistortion lookup table coupled to the address data former; a power amplifier having an output and an input, wherein the input to the power amplifier is coupled to the predistortion lookup table; a feedback signal representing the output of the power amplifier; and a switch coupled to the feedback signal and the predistortion lookup table, wherein the switch is configured to disconnect the feedback signal from the predistortion lookup table. |
地址 |
George Town Grand Cayman KY |