Filtered OFDM: an insight into intrinsic in-band interference

Mao, J., Zhang, L. and Xiao, P. (2020) Filtered OFDM: an insight into intrinsic in-band interference. In: Zhang, L., Farhang, A., Feng, G. and Onireti, O. (eds.) Radio Access Network Slicing and Virtualization for 5G Vertical Industries. Wiley: Hoboken, NJ, pp. 25-41. ISBN 9781119652380 (doi: 10.1002/9781119652434.ch2)

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Filtered orthogonal frequency division multiplexing (f‐OFDM), as a representative subband filtered waveform, can be employed to improve the spectrum localization of orthogonal frequency division multiplexing (OFDM) signal. However, the applied filtering operations will impact the performance in various aspects, especially for narrow subband cases. In this chapter, we investigate the consequence inflicted on single subband f‐OFDM systems: in‐band interference, deriving the exact form expression for the in‐band interference, and developing the in‐band interference‐free and nearly‐free conditions. A low‐complexity block‐wise parallel interference cancellation (BwPIC) algorithm is also presented to tackle the issue caused by the filtering operations.

Item Type:Book Sections
Glasgow Author(s) Enlighten ID:Zhang, Professor Lei
Authors: Mao, J., Zhang, L., and Xiao, P.
College/School:College of Science and Engineering > School of Engineering > Systems Power and Energy
Published Online:27 November 2020

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