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Design of pilot signal for MC-CDMA uplink systems

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Authors
Yu, Hyunseok; Lee, Yong-Hwan
Issue Date
2004-06
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Citation
IEEE International Conference on Communications, vol. 5, pp. 2889-2893, June 2004
Keywords
MC-CDMAuplinkpilot
Abstract
Coherent demodulation needs to maintain the symbol timing synchronization and to estimate the channel response in multicarrier code division multiple access systems. The use of inverse DFT (IDFT) is often considered to generate a pilot signal for this propose. However it requires a large implementation complexity, making it impractical for real applications. In this paper, we consider the design of a novel pilot signal for both symbol synchronization and channel estimation. By controlling the design parameters, the pilot
signal can be generated to provide a desired signal-tointerference noise power ratio, while maintaining an acceptable peak-to-average power ratio. Simulation results show that the use of the proposed pilot signal can improve the detection performance compared to the use of conventional IDFT-based pilot signal, while significantly reducing the implementation complexity.
Language
English
URI
http://www.ieee-icc.org/2004/geninfo.html

http://hdl.handle.net/10371/7269
DOI
https://doi.org/10.1109/ICC.2004.1313057
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Electrical and Computer Engineering (전기·정보공학부)Others_전기·정보공학부
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