A study on channel estimation methods for time-domain spreading MC-CDMA systems

Authors:
A. Nagate;T. Fujii
Affiliations:
Wireless Syst. Res. Center, Softbank Mobile Corp., Tokyo;-
Venue:
IEEE Transactions on Wireless Communications - Part 2
Year:
2008

Citing 0
Cited 1

Adaptive channel-tracking method and equalization for MC-CDMA systems over rapidly fading channel under colored noise

EURASIP Journal on Advances in Signal Processing - Special issue on advanced equalization techniques for wireless communications

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Abstract

In time-domain spreading MC-CDMA systems, which are candidates for the 4G system, data and pilot symbols are spread in the time domain and code-multiplexed. To combat fading issues, we need to conduct channel estimation by using the code-multiplexed pilot symbols. In this paper, we propose a channel estimation method for highly accurate channel estimation; it is a combination of a two-dimensional channel estimation method and an impulse response-based channel estimation method. We evaluate the proposed method by computer simulations.