A low complexity threshold detector making MLSD decisions in a multiuser environment

Summary, in English

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

• Författare: Rickard Nilsson; Frank Sjöberg; Ove Edfors; Per Ödling; Håkan Eriksson; Sarah Kate Wilson; Per Ola Börjesson
• Avdelning/ar: Institutionen för elektro- och informationsteknik
• Publiceringsår: 1998
• Språk: Engelska
• Sidor: 333-337
• Publikation/Tidskrift/Serie: Proc. IEEE Vehicular Technology Conference
• Volym: 1
• Fulltext: - 3 MB; Download statistics
• Länkar: http://dx.doi.org/10.1109/VETEC.1998.686590
• Dokumenttyp: Konferensbidrag
• Förlag: IEEE - Institute of Electrical and Electronics Engineers Inc.
• Ämne: Electrical Engineering, Electronic Engineering, Information Engineering
• Conference name: IEEE Vehicular Technology Conference, 1998
• Conference date: 1998-05-18 - 1998-05-21
• Conference place: Ottawa, Canada
• Status: Published
• Forskningsgrupp: Radio Systems
• ISBN/ISSN/Övrigt: ISBN: 0-7803-4320-4