| 发明名称 | Distortion compensation device and distortion compensation device method | ||
| 摘要 | A distortion compensation device includes: a memory configured to store a first and second table, different addresses being assigned to the first and second table respectively, each of the addresses being related to a distortion compensation coefficient to compensate for a non-linear distortion, a first address in the first table and a second address in the second table corresponding to respective first and second ranges of power or amplitude of a transmission signal, and parts of the first and second ranges overlapping each other; and a processor coupled to the memory and configured to: update the respective distortion compensation coefficients related to the first address and the second address simultaneously, in accordance with a single value of the power or the amplitude, and compensate for the non-linear distortion generated by an amplifier amplifying the power of the transmission signal, by using at least one of the first and second table. | ||
| 申请公布号 | US9237054(B2) | 申请公布日期 | 2016.01.12 |
| 申请号 | US201414165315 | 申请日期 | 2014.01.27 |
| 申请人 | FUJITSU LIMITED | 发明人 | Kawasaki Toshio |
| 分类号 | H04L27/36;H03F1/32 | 主分类号 | H04L27/36 |
| 代理机构 | Arent Fox LLP | 代理人 | Arent Fox LLP |
| 主权项 | 1. A distortion compensation device comprising: a memory configured to store a first table and a second table, different addresses being assigned to the first table and the second table respectively, each of the addresses being related to a different, respective distortion compensation coefficient to compensate for a non-linear distortion, a first address in the first table and a second address in the second table corresponding to respective first and second ranges of power or amplitude of a transmission signal, and parts of the first and second ranges overlapping each other; and a processor coupled to the memory and configured to: update the respective distortion compensation coefficients related to the first address and the second address simultaneously, in accordance with a single value of the power or the amplitude, andcompensate for the non-linear distortion generated by an amplifier amplifying the power of the transmission signal, by using at least one of the first table and the second table. | ||
| 地址 | Kawasaki JP | ||