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Adaptive narrow-band interference cancellation in DS-CDMA communications

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2 Author(s)
Wen-Sheng Hou ; Dept. of Electr. Eng., Nat. Tsing Hua Univ., Hsinchu, Taiwan ; Bor-Sen Chen

In the presence of narrowband interference (NBI), the performance of direct-sequence code-division multiple access (DS-CDMA) communication systems can be improved by using various interference cancellation schemes. A scheme of parallel interference cancellators (PIC), which includes a set of NBI cancellation filters and a set of multiple access interference (MAI) cancellation filters, is developed to improve the signal-to-interference ratio (SIR) and handle the MAI effect. In order to avoid performance deterioration due to the unreliable initial detection, a robust coefficient γ is introduced in our proposed design criterion

Published in:

Wireless Communications, 2001. (SPAWC '01). 2001 IEEE Third Workshop on Signal Processing Advances in

Date of Conference:

2001