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On the Performance of Code Acquisition in MIMO CDMA Systems
Sangchoon KIM Jinyoung AN
IEICE TRANSACTIONS on Communications
Publication Date: 2008/02/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
multiple input multiple output (MIMO), code acquisition, code division multiple access (CDMA),
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This letter investigates the effects of using multiple transmit antennas on code acquisition for preamble search in the CDMA uplink when MIMO is used for signal transmission and reception. The performance of a ML code acquisition technique in the presence of MIMO channel is analyzed by considering the detection and miss probabilities. The acquisition performance is numerically evaluated on a frequency selective fading channel. It is found that the performance of code acquisition scheme for a SIMO system is better than that for the case of MIMO on the low thresholds in terms of detection performance and MAT.