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- W2039208577 abstract "In this paper, we consider SC-FDE schemes (Single Carrier with Frequency-Domain Equalization) employing OQPSK (Offset Quaternary Phase Shift Keying) signals with quasi-constant envelope. To allow high spectral efficiency, different frequency channels are separated by the symbol rate, regardless of their bandwidth (which is much higher than the symbol rate for quasi-constant envelope OQPSK signals), and we consider a multi-channel frequency-domain receiver with ACI (Adjacent Channel Interference) suppression. Our performance results show that it is possible to have high spectral efficiency with quasi-constant envelope OQPSK signals. This technique is especially interesting for the uplink of future broadband wireless systems since we can employ low-cost, grossly nonlinear power amplifiers at the mobile terminals and almost all signal processing is shifted to the base station." @default.
- W2039208577 created "2016-06-24" @default.
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- W2039208577 date "2007-08-12" @default.
- W2039208577 modified "2023-09-24" @default.
- W2039208577 title "Frequency-domain detection of OQPSK signals with quasi-constant envelope and high spectral efficiency" @default.
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- W2039208577 doi "https://doi.org/10.1145/1280940.1281030" @default.
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