Please use this identifier to cite or link to this item: https://doi.org/10.1007/s10776-004-2401-0
Title: Blind channel estimation for multi-rate multicarrier DS/CDMA communications
Authors: Huang, L. 
Zheng, F.-C.
Keywords: Blind estimation
Multi-rate systems
Multicarrier DS/CDMA
Multiuser detection
Issue Date: Jun-2005
Source: Huang, L.,Zheng, F.-C. (2005-06). Blind channel estimation for multi-rate multicarrier DS/CDMA communications. International Journal of Wireless Information Networks 12 (2) : 69-78. ScholarBank@NUS Repository. https://doi.org/10.1007/s10776-004-2401-0
Abstract: Multi-rate multicarrier DS/CDMA is a potentially attractive multiple access method for future wireless communications networks that must support multimedia, and thus multi-rate, traffic. Several receiver structures exist for single-rate multicarrier systems, but little has been reported on multi-rate multicarrier systems. Considering that high-performance detection such as coherent demodulation needs the explicit knowledge of the channel, based on the finite-length chip waveform truncation, this paper proposes a subspace-based scheme for timing and channel estimation in multi-rate multicarrier DS/CDMA systems, which is applicable to both multicode and variable spreading factor systems. The performance of the proposed scheme for these two multi-rate systems is validated via numerical simulations. The effects of the finite-length chip waveform truncation on the performance of the proposed scheme is also analyzed theoretically. © 2005 Springer Science+Business Media, Inc.
Source Title: International Journal of Wireless Information Networks
URI: http://scholarbank.nus.edu.sg/handle/10635/55215
ISSN: 10689605
DOI: 10.1007/s10776-004-2401-0
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