| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide the interference canceller with a small circuit scale that is used also for a mobile station. SOLUTION: Spread code series of all other users is stored in a spread code generator 10. The spread code generator 10 divides all the spread code series into two groups and deviates sequentially each of the divided spread code series by a phase, based on an impulse response of a transmission line sequentially and adds multiplexedly them to obtain two new spread code series. The one is given to a matching filter section 50A, and the other is given to a matching filter section 50B, forming condition information SA relating to the new spread code series is given to a peak detection re-spread section 60A and forming condition information SB relating to the new spread code series is given to a peak detection re-spread section 60B. Re-spread signals QA, QB from the peak detection re-spread sections 60A, 60B are added by a phase matching adder section 11 in a matched phase state and a cancelling output C is obtained and given to a subtractor section 3, in which a transmission signal to other user is cancelled from a reception signal RS.</p> |
