On the BER vs. bandwidth-efficiency trade-offs in windowed OTSM dispensing with zero-padding

Zeping Sui*, Hongming Zhang, Hien Quoc Ngo, Michail Matthaiou, Lajos Hanzo

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

An orthogonal time sequency multiplexing (OTSM) scheme using practical signaling functions is proposed under strong phase noise (PHN) scenarios. By utilizing the transform relationships between the delay-sequency (DS), time-frequency (TF) and time-domains, we first conceive the DS-domain input-output relationship of our OTSM system, where the conventional zero-padding is discarded to increase the spectral efficiency. Then, the unconditional pairwise error probability is derived, followed by deriving the bit error ratio (BER) upper bound in closed-form. Moreover, we compare the BER performance of our OTSM system based on several practical signaling functions. Our simulation results demonstrate that the upper bound derived accurately predicts the BER performance in the case of moderate to high signal-to-noise ratios (SNRs), while harnessing practical window functions is capable of attaining an attractive out-of-band emission (OOBE) vs. BER trade-off.

Original languageEnglish
Title of host publicationIEEE Wireless Communications and Networking Conference (WCNC 2024): proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
Number of pages6
ISBN (Electronic)9798350303582
ISBN (Print)9798350303599
DOIs
Publication statusPublished - 03 Jul 2024
EventIEEE Wireless Communications and Networking Conference - Dubai, United Arab Emirates
Duration: 21 Apr 202424 Apr 2024

Publication series

NameIEEE WIreless Communications and Networking Conference (WCNC): Proceedings
ISSN (Print)1525-3511
ISSN (Electronic)1558-2612

Conference

ConferenceIEEE Wireless Communications and Networking Conference
Country/TerritoryUnited Arab Emirates
CityDubai
Period21/04/202424/04/2024

Keywords

  • BER vs. bandwidth-efficiency
  • trade-offs
  • windowed OTSM dispensing

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