Inter Cell Interference Cancellation in CDMA System Uplink Based on Blind Source Separation

Fu, Wei; Fan, Shi; Liu, Naian

doi:10.1109/icicta.2011.431

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2013

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Cited by 2 publications

(2 citation statements)

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“…With the independent property of spreading sequences, a series of papers based on independent component analysis (ICA) have emerged. Paper [3] realizes the estimation by expressing the received signal in blind source separation form. The method in paper [4] can solve multipath and asynchronous system's spreading sequences estimation.…”

Section: Introductionmentioning

confidence: 99%

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Blind Estimation of Spreading Sequences Based on Improved Fast-ICA

Liu

2013

AMM

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To estimate the spreading sequences for DS-CDMA system, a blind estimation method based on improved Fast-ICA is proposed. In this method, the ECA whitening and BAT optimization are introduced into the traditional Fast-ICA firstly, then the improved Fast-ICA is used to obtain spreading sequences matrix, finally, the spreading sequences are extracted from the spreading sequences matrix. Simulation results show the validity and superiority of the new method.

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Section: Introductionmentioning

confidence: 99%

“…The method in paper [4] can solve multipath and asynchronous system's spreading sequences estimation. Aiming at the application limitation in [3] and operation complexity in [4], a simpler method is proposed to apply to asynchronous system in [5]. The method in [6] is superior to the method in [4] which is only fit for m-sequences.…”

Section: Introductionmentioning

confidence: 99%