A new suboptimal multiuser detector based on orthogonal polynomial approximation

J. Roh, S. Choi, K. Ko, D. Hong, C. Kang, M. S. Lee, K. S. Shin

Research output: Contribution to journalConference article

Abstract

In this paper, we propose a new sub-optimal detector that uses orthogonal polynomial approximation to determine the stage weighting factors at each interference cancellation (IC) stage. The performance of the new detector using the proposed scheme is compared with that of other sub-optimal detectors in the near-far and additive white Gaussian noise (AWGN) environments. Simulation results show that the average convergence rate of the proposed method for obtaining the optimum solution through estimation of the minimum (and maximum) eigenvalue of the code correlation matrix is faster than for other sub-optimal detectors based on IC. In addition, the method described here is also able to obtain better BER performance with same number of stages than conventional PIC in the above environments.

Original languageEnglish
Pages (from-to)863-867
Number of pages5
JournalIEEE Vehicular Technology Conference
Volume2
Issue number54ND
Publication statusPublished - 2001
EventIEEE 54th Vehicular Technology Conference (VTC FALL 2001) - Atlantic City, NJ, United States
Duration: 2001 Oct 72001 Oct 11

All Science Journal Classification (ASJC) codes

  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Applied Mathematics

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