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A low complexity threshold detector making MLSD decisions in a multiuser environment
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Signals and Systems.
Luleå tekniska universitet.
Luleå tekniska universitet.
Luleå tekniska universitet.
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1998 (English)In: Pathway to a global wireless revolution: VTC '98, 48th IEEE Vehicular Technology Conference, Westin Hotel, Ottawa, Canada, 18 - 21 May 1998, Piscataway, NJ: IEEE Communications Society, 1998, 333-337 p.Conference paper (Refereed)
Abstract [en]

In this paper we present a pipelined implementation of an iterative threshold detector, which makes the same decisions as a maximum likelihood sequence detector (MLSD) on some, but not necessarily all, bits. We apply this as a first stage detector in a direct sequence code division multiple access (DS-CDMA) interference-limited multiuser system. In combination with the single-user matched filter (MF) detector we obtain improved performance and lower complexity than with the decorrelating receiver for a limited number of simultaneous users, e.g. up to 25 users with a spreading factor of 127.

Place, publisher, year, edition, pages
Piscataway, NJ: IEEE Communications Society, 1998. 333-337 p.
Research subject
Signal Processing
URN: urn:nbn:se:ltu:diva-38182DOI: 10.1109/VETEC.1998.686590Local ID: c7ee8f00-dfbf-11dc-9e29-000ea68e967bISBN: 0-7803-4320-4OAI: diva2:1011681
Vehicular Technology Conference : 02/05/1998 - 02/05/1998
Godkänd; 1998; 20080220 (ysko)Available from: 2016-10-03 Created: 2016-10-03Bibliographically approved

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