NDLI: Non-linear multiuser detection for circuit-switched and packet-switched integrated CDMA systems

Content Provider	IEEE Xplore Digital Library
Author	Sfar, S. Letaief, K.B. Murch, R.D.
Copyright Year	2001
Description	Author affiliation: Center for Wireless Inf. Technol., Hong Kong Univ. of Sci. & Technol., Kowloon, China (Sfar, S.)
Abstract	This paper assesses the impact of layered space-time multiuser detection (LAST-MUD) in wireless circuit switched and packet switched modes integrated CDMA systems. The network is hence composed of packet and circuit radio mobile stations transmitting to an antenna array at the base station receiver. These users are organized in different groups and users in a particular group are allocated the same spreading code. Therefore, the CDMA spreading technique will remove the interference between the groups and the layered space-time scheme will further remove the remaining interference between users. The effect of packet mode users on system performance is considered. Throughput and BER performances of packet and circuit mode users are hence investigated, respectively. The robustness of the LAST-MUD is also demonstrated against transmission power variation of packet mode users.
Starting Page	541
Ending Page	545
File Size	432083
Page Count	5
File Format	PDF
ISBN	0780367286
ISSN	10903038
DOI	10.1109/VETECS.2001.944901
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-05-06
Publisher Place	Greece
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Multiuser detection Switching circuits Packet switching Multiaccess communication Interference Mobile antennas Receiving antennas Transmitting antennas Antenna arrays Base stations
Content Type	Text
Resource Type	Article

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