| 摘要 |
There are provided a turbo decoding system of a CDMA mobile communication terminal, a transmission power control method, and a CDMA mobile communication terminal in which interference in the other users is suppressed by not increasing the transmission power of a base station to a value over the necessary value and excessive repetitive processing is prevented in the turbo decoding section to reduce consumption power. There are disposed a BLER measuring section 10 to measure BLER as reception quality for each number of decoding bits on the basis of a CRC judge result after an error correction by the turbo decoding section 4 and an outer loop power control and iteration control section 11 to control transmission power of a base station and to control the iteration count of turbo decoding on the basis of the reception quality of each number of decoding bits. The outer loop power control and iteration control section 11 controls the transmission power of the base station by producing a target SIR according to the reception signal such that SIR of the reception signal is the target SIR and adaptively controls to make the iteration count optimal on the basis of the convergence state of the outer loop transmission power control. |
