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Performance of linear MMSE multiuser detection combined with a standard IS-95 uplink

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Abstract

Current implementation of IS-95 based systems is performance limited due to the use of a “conventional” detection scheme, which is susceptive to inter-user interference. We focus on the uplink, and try to examine the performance enhancement achieved by a suboptimal linear multiuser MMSE pre-filter, applied in front of the “standard” detection mechanism. We demonstrate the limitations of this relatively simple approach, and the constellations in which it may show improved performance.

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Author information

Authors and Affiliations

  1. 7 Kedoshey Kahir St., Holon, 58309, Israel

    Benjamin M. Zaidel

  2. Department of Electrical Engineering, Technion – Israel Institute of Technology, Israel

    Shlomo Shamai (Shitz)

  3. Department of Electrical Engineering – Systems, Tel Aviv University, Israel

    Hagit Messer

Authors
  1. Benjamin M. Zaidel
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  2. Shlomo Shamai (Shitz)
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  3. Hagit Messer
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Zaidel, B.M., Shamai (Shitz), S. & Messer, H. Performance of linear MMSE multiuser detection combined with a standard IS-95 uplink. Wireless Networks 4, 429–445 (1998). https://doi.org/10.1023/A:1019141414842

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