• ISSN 0258-2724
  • CN 51-1277/U
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Volume 16 Issue 2
Apr.  2003
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Article Contents
XIEJun-song. Correlation of Variable-Length Spreading Sequencesand Its Application in Performance Evaluation of DS-CDMA[J]. Journal of Southwest Jiaotong University, 2003, 16(2): 223-226.
Citation: XIEJun-song. Correlation of Variable-Length Spreading Sequences and Its Application in Performance Evaluation of DS-CDMA[J]. Journal of Southwest Jiaotong University, 2003, 16(2): 223-226.

Correlation of Variable-Length Spreading Sequences and Its Application in Performance Evaluation of DS-CDMA

  • Publish Date: 25 Apr 2003
  • Based on the analysis of the correlation properties of variable-length spreading sequences, the performance of the asynchronous multi-rate DS-CDMA system employing orthogonal variable spreading factor (OVSF) sequences is studied. Analytical results of multiple access interference (MAI) are derived in terms of aperiodic partial correlation of the spreading sequences. The numerical results demonstrate that the sequence lengths of interfering users have significant effects on BER performance of desired users, while the effect of sequence length of desired users is negligible.

     

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      沈阳化工大学材料科学与工程学院 沈阳 110142

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