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- W2137629440 abstract "An MMSE per channel fractionally spaced equalizer is developed for an OFDM/OQAM system with a time varying channel, under the assumption of perfect channel knowledge at the receiver. The equalizer is analyzed for an example with a doubly dispersive channel with Jakes Doppler spectrum and an exponential delay profile, and where the transmitter and receiver filters are square root of cosine rolloff. The performance is measured in terms of ergodic channel capacity, which will be an upper bound for the throughput of the system, assuming perfect channel estimation and ideal channel coding. The results show that the channel capacity may be significantly increased by using an equalizer of finite length, instead of a one-tap equalizer. The channel capacity is for instance increased by 60% for E <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>s</sub> /N <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>0</sub> = 20 dB in a channel with spreading factor 0.01." @default.
- W2137629440 created "2016-06-24" @default.
- W2137629440 creator A5015936849 @default.
- W2137629440 date "2009-11-01" @default.
- W2137629440 modified "2023-09-27" @default.
- W2137629440 title "MMSE equalization of OFDM/OQAM systems for channels with time and frequency dispersion" @default.
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- W2137629440 doi "https://doi.org/10.1109/wcsp.2009.5371391" @default.
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