NDLI: Multi-user detection applied to GSM communications

Content Provider	IEEE Xplore Digital Library
Author	Chenu-Tournier, M. Morgand, P. Pirez, D.
Copyright Year	2002
Description	Author affiliation: Thales Commun., France (Chenu-Tournier, M.; Morgand, P.; Pirez, D.)
Abstract	In this paper we propose to apply to the GSM system multi-user detection (MUD) techniques generally used in CDMA networks. The constraint of using the GSM wave form makes it impractical to use the optimum receiver due to its high complexity. Thus, in this paper, we derive the multi-user sub-optimum DFE-MMSE adapted to the GSM wave form. It relies on a linear approximation of the GSM modulation leading to a staggered modulation and thus requires a specific, (and multi-user in our case) equalizer to achieve good performances (Tu 1993). Not taking into account the fact that the modulation is staggered (as in Tripathi et al. 2000) leads to poor performances. The symbol detection is made possible by means of multiple antennas at the receiver. This technique is actually being tested on real data for underground transmissions in an IST funded project called ESCORT.
Starting Page	1452
Ending Page	1455
File Size	251189
Page Count	4
File Format	PDF
ISBN	0780374673
ISSN	10903038
DOI	10.1109/VETECF.2002.1040456
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-09-24
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Multiuser detection GSM MIMO Antennas and propagation Multiaccess communication Equalizers Testing Continuous phase modulation Linear approximation Receiving antennas
Content Type	Text
Resource Type	Article

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