NDLI: Serial Search Based Initial Code Acquisition in the Multiple Transmit/Receive Antenna Aided Multi-Carrier DS-CDMA Downlink

Content Provider	IEEE Xplore Digital Library
Author	Won, S. Hanzo, L.
Copyright Year	2006
Description	Author affiliation: Dept. of Electron. & Comput. Sci., Southampton Univ. (Won, S.; Hanzo, L.)
Abstract	Initial code acquisition schemes designed for the multiple transmit/receive antenna aided multi-carrier (MC)-DS-CDMA downlink are analysed, when communicating over uncorrelated Rayleigh channels. The achievable mean acquisition time (MAT) performance is characterised as a function of both the number of transmit/receive antennas and that of the number of subcarriers. It is demonstrated that in contrast to our expectations, the achievable MAT tends to degrade at low $E_{c}/I$ $_{o}$ values right across the signal-to-interference plus noise ratio (SINR) per chip $(E_{c}/I_{o})$ range considered, when the number of transmit antennas and/or that of the subcarriers are increased. An exception is constituted by single-carrier (SC)-DS-CDMA using P=2 and 4 transmit antennas and R=1 receive antenna. This increased MAT has a grave detrimental effect on the performance of Rake receiver based synchronisation schemes, when the perfectly synchronised idealised system is capable of attaining its target bit error rate performance at reduced SINR values, as a benefit of the diversity gain achieved by employing both multiple transmit antennas and multiple subcarriers. Therefore our future research will be aimed at specifically designing powerful iterative acquisition schemes for MIMO-aided multi-carrier transmission systems
Starting Page	64
Ending Page	68
File Size	179167
Page Count	5
File Format	PDF
ISBN	0780397797
DOI	10.1109/ISSSTA.2006.311735
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-08-28
Publisher Place	Brazil
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Receiving antennas Multiaccess communication Downlink Signal to noise ratio Transmitting antennas Rayleigh channels Degradation Fading Multipath channels Bit error rate
Content Type	Text
Resource Type	Article

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