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Waveform design of UNB modulation and performance analysis

  • Xi'an Jiaotong University
  • National Simulation Education Center for Communications and Information Systems
  • ZTE Corporation

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

To improve the spectrum efficiency and alleviate scarcity, ultra-narrow band (UNB) technique is proposed with high bandwidth efficiency and low bit error rate (BER). In this paper, the waveform design schemes, which are sine amplitude modulation (AM-sine), dual-frequency amplitude modulation (DFAM) and constant modulus dual-frequency (CMDF) modulation for wireless communication networks employing UNB technique, are proposed. We investigate the Euclidean distance of binary modulated signals for UNB communication under the bandwidth restriction compared to very-minimum waveform difference keying (VWDK). We derive the simplicity to optimize our proposed schemes by introducing sine-like signal. By applying the concavity optimization theory, we get more smooth phase waveform than VWDK. We formulate the optimization problem to minimize the average BER subject to these conditions, one is the Euclidean distance between modulated signals and carrier signal, the other one is the signal energy. Simulation results are provided to show the superiority of our proposed schemes as compared to VWDK.

Original languageEnglish
Title of host publicationCommunications and Networking - 12th International Conference, ChinaCom 2017, Proceedings
EditorsDeze Zeng, Lei Shu, Bo Li
PublisherSpringer Verlag
Pages84-94
Number of pages11
ISBN (Print)9783319781297
DOIs
StatePublished - 2018
Event12th International Conference on Communications and Networking in China, CHINACOM 2017 - Xian, China
Duration: 10 Oct 201712 Oct 2017

Publication series

NameLecture Notes of the Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering, LNICST
Volume236
ISSN (Print)1867-8211

Conference

Conference12th International Conference on Communications and Networking in China, CHINACOM 2017
Country/TerritoryChina
CityXian
Period10/10/1712/10/17

Keywords

  • AM-sine
  • CMDF
  • DFAM
  • Ultra narrow band

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