SHERP

MSE-based transmit power control for transmission of QAM signals in frequency selective fading channel

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Authors
Nam, Dae-Seok; Lee, Yong-Hwan; Lee, Kwang-Bok
Issue Date
2002-05-15
Publisher
Institute of Electrical and Electronics Engineers
Citation
VTC Spring 2002. IEEE 55th Vehicular Technology Conference, vol. 2, pp. 885-888, 2002.
Keywords
mean square error methodspower controltime-varying cahnnelsQAM signal transmission
Abstract
When a multi-level quadrature amplitude modulation (QAM) signal is transmitted over the wireless channel, transmit power needs to be controlled to avoid severe performance degradation due to the fading. Most studies on the transmit power control (TPC) were considered in the flat fading channel. In this paper, we propose a power control scheme in the frequency selective fading channel, where the transmit power is controlled based on the mean-squared error (MSE) of the equalizer output. The performance of the proposed scheme is analytically evaluated and verified by computer simulation in the fixed wireless channel with low Doppler frequency.
Language
English
URI
http://www.ewh.ieee.org/soc/vtc02spring/

http://hdl.handle.net/10371/7516
DOI
https://doi.org/10.1109/VTC.2002.1002615
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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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