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FREQUENCY-DOMAIN DECOUPLING FOR MIMO-GFDM SPATIAL MULTIPLEXING

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Citation Author(s):
Ching-Lun Tai, Borching Su, Cai Jia
Submitted by:
Ching-Lun Tai
Last updated:
7 May 2019 - 1:53pm
Document Type:
Poster
Document Year:
2019
Event:
Presenters Name:
Ching-Lun Tai
Paper Code:
1036

Abstract 

Abstract: 

Generalized frequency division multiplexing (GFDM) is considered a nonorthogonal waveform and can cause difficulties when used in the spatial multiplexing mode of a multiple-input-multiple-output (MIMO) scenario. In this paper, a class of GFDM prototype filters, in which the GFDM system is free from inter subcarrier interference, is investigated, enabling frequency-domain decoupling during processing at the GFDM receiver. An efficient MIMO-GFDM detection method based on depth-first sphere decoding is subsequently proposed with this class of filters. Numerical results confirm a significant reduction in complexity, especially when the number of subcarriers is large, compared with existing methods.

Paper Link: https://ieeexplore.ieee.org/document/8682308

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[ICASSP2019] Poster #1036.pdf

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