Journal
IEEE COMMUNICATIONS LETTERS
Volume 22, Issue 11, Pages 2222-2225Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LCOMM.2018.2868107
Keywords
Generalized frequency division multiplexing (GFDM); Gabor window; minimum mean square error (MMSE) receiver; weighted-type fractional Fourier transform (WFRFT)
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Funding
- National Natural Science Foundation Program of China [61671179]
- Science and Technology on Communication Networks Laboratory
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In this letter, we investigate theoretical BER performances of generalized frequency division multiplexing (GFDM) systems with receivers based on Gabor window. Considering relationships between zero forcing and minimum mean square error (MMSE) receivers, theoretical BER expressions of GFDM systems with an MMSE receiver are derived over AWGN and fading channels through calculating noise enhancement factor at the receiver. To demonstrate the generality of proposed methods, analytical BER expressions of DFT and weighted-type fractional Fourier transform precoded GFDM systems are also given and verified by simulation results.
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