Robust WHT-GFDM for the Next Generation of Wireless Networks

This paper presents the combination of generalized frequency division multiplexing (GFDM) with the Walsh-Hadamard transform (WHT) to achieve a scheme that is robust against frequency-selective channels (FSC). The proposed scheme is suitable for low-latency scenarios foreseen for 5G networks, special...

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Bibliographic Details
Published in:IEEE communications letters 2015-01, Vol.19 (1), p.106-109
Main Authors: Michailow, Nicola, Mendes, Luciano, Matthe, Maximilian, Gaspar, Ivan, Festag, Andreas, Fettweis, Gerhard
Format: Article
Language:English
Subjects:
Bit error rate
Frequency division multiplexing
Generalized Frequency Division Multiplexing
Transforms
Walsh-Hadamard Transform
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Summary:This paper presents the combination of generalized frequency division multiplexing (GFDM) with the Walsh-Hadamard transform (WHT) to achieve a scheme that is robust against frequency-selective channels (FSC). The proposed scheme is suitable for low-latency scenarios foreseen for 5G networks, specially for Tactile Internet. The paper also presents analytical approximations that can be used to estimate the bit error rate of GFDM and WHT-GFDM over frequency-selective channels in single shot transmission. Simulation results for encoded GFDM are included for further comparison.
ISSN:1089-7798
1558-2558
DOI:10.1109/LCOMM.2014.2374181